3LTG

Crystal structure of the Drosophila Epidermal Growth Factor Receptor ectodomain complexed with a low affinity Spitz mutant

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C [auth D]	SCOP2 Family	EGF-type module	8070302	4003198	SCOP2 (2021-05-27)
C [auth D]	SCOP2 Superfamily	EGF/Laminin-like	8070303	3000412	SCOP2 (2021-05-27)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF01030	e3ltgA2	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Leucine-rich repeats (From Topology)	T: Leucine-rich repeats	F: PF01030	ECOD (1.6)
A	PF00757	e3ltgA4	A: few secondary structure elements	X: EGF-like	H: Growth factor receptor domain (From Topology)	T: Growth factor receptor domain	F: PF00757	ECOD (1.6)
A	PF14843	e3ltgA3	A: few secondary structure elements	X: EGF-like	H: Growth factor receptor domain (From Topology)	T: Growth factor receptor domain	F: PF14843	ECOD (1.6)
B [auth C]	PF01030	e3ltgC5	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Leucine-rich repeats (From Topology)	T: Leucine-rich repeats	F: PF01030	ECOD (1.6)
B [auth C]	PF00757	e3ltgC4	A: few secondary structure elements	X: EGF-like	H: Growth factor receptor domain (From Topology)	T: Growth factor receptor domain	F: PF00757	ECOD (1.6)
B [auth C]	PF14843	e3ltgC2	A: few secondary structure elements	X: EGF-like	H: Growth factor receptor domain (From Topology)	T: Growth factor receptor domain	F: PF14843	ECOD (1.6)
C [auth D]	PF00008	e3ltgD1	A: few secondary structure elements	X: EGF-like	H: EGF-related	T: EGF/Laminin	F: PF00008	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.80.20.20	Alpha Beta	Alpha-Beta Horseshoe	24 nucleotide stem-loop, u2 snrnp hairpin iv. U2 a'	Chain A	CATH (4.3.0)
A	2.10.220.10	Mainly Beta	Ribbon	Hormone Receptor, Insulin-like Growth Factor Receptor 1	Chain A domain 2	CATH (4.3.0)
B [auth C]	3.80.20.20	Alpha Beta	Alpha-Beta Horseshoe	24 nucleotide stem-loop, u2 snrnp hairpin iv. U2 a'	Chain A	CATH (4.3.0)
B [auth C]	2.10.220.10	Mainly Beta	Ribbon	Hormone Receptor, Insulin-like Growth Factor Receptor 1	Chain A domain 2	CATH (4.3.0)
C [auth D]	2.10.25.10	Mainly Beta	Ribbon	Laminin	Laminin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B [auth C]	PF01030	Receptor L domain (Recep_L_domain)	Receptor L domain	-	Repeat
A, B [auth C]	PF14843	Growth factor receptor domain IV (GF_recep_IV)	Growth factor receptor domain IV	This is the fourth extracellular domain of receptor tyrosine protein kinases. Interaction between this domain and the furin-like domain (Pfam:PF00757) regulates the binding of ligands to the receptor L domains (Pfam:PF01030) [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B [auth C]	Epidermal growth factor receptor	molecular transducer activity catalytic activity, acting on a protein kinase activity protein kinase activity signaling receptor activity transferase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups protein tyrosine kinase activity transmembrane receptor protein tyrosine kinase activity transmembrane receptor protein kinase activity transmembrane signaling receptor activity catalytic activity binding molecular transducer activity catalytic activity, acting on a protein kinase activity protein kinase activity signaling receptor activity transferase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups protein tyrosine kinase activity transmembrane receptor protein tyrosine kinase activity transmembrane receptor protein kinase activity transmembrane signaling receptor activity catalytic activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding identical protein binding protein binding epidermal growth factor receptor activity	developmental process multicellular organismal process tube development regulation of tube architecture, open tracheal system biological regulation tube formation lumen formation, open tracheal system multicellular organism development anatomical structure morphogenesis tube morphogenesis anatomical structure development anatomical structure formation involved in morphogenesis respiratory system development regulation of biological quality developmental process multicellular organismal process tube development regulation of tube architecture, open tracheal system biological regulation tube formation lumen formation, open tracheal system multicellular organism development anatomical structure morphogenesis tube morphogenesis anatomical structure development anatomical structure formation involved in morphogenesis respiratory system development regulation of biological quality open tracheal system development system development blastoderm segmentation embryonic pattern specification segmentation pattern specification process embryo development regionalization segment polarity determination periodic partitioning positive regulation of response to wounding wound healing regulation of biological process response to stimulus positive regulation of biological process regulation of response to wounding positive regulation of response to stimulus positive regulation of wound healing regulation of response to stimulus response to stress regulation of response to stress regulation of wound healing response to wounding system process learning learning or memory nervous system process cognition associative learning behavior olfactory behavior response to chemical chemosensory behavior olfactory learning imaginal disc morphogenesis animal organ development wing disc development instar larval or pupal development metamorphosis wing disc morphogenesis imaginal disc development instar larval or pupal morphogenesis post-embryonic animal morphogenesis post-embryonic development animal organ morphogenesis tissue morphogenesis epithelium development morphogenesis of an epithelium tissue development germ-line stem cell population maintenance maintenance of cell number stem cell population maintenance regulation of cellular process cellular biosynthetic process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of biosynthetic process cellular metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process positive regulation of cellular biosynthetic process embryo development ending in birth or egg hatching embryonic morphogenesis germ-band shortening embryonic development via the syncytial blastoderm morphogenesis of follicular epithelium sexual reproduction cellular developmental process reproductive process cell development cellular process involved in reproduction in multicellular organism dorsal/ventral axis specification, ovarian follicular epithelium establishment or maintenance of cell polarity developmental process involved in reproduction female gamete generation epithelial cell differentiation gamete generation follicle cell of egg chamber development cell differentiation establishment or maintenance of polarity of follicular epithelium maternal determination of dorsal/ventral axis, ovarian follicular epithelium, soma encoded oogenesis multicellular organismal reproductive process dorsal/ventral axis specification dorsal/ventral pattern formation epithelial cell development germ cell development axis specification maintenance of epithelial integrity, open tracheal system epithelial structure maintenance homeostatic process tissue homeostasis multicellular organismal-level homeostasis anatomical structure homeostasis sensory organ development establishment of ommatidial planar polarity visual system development eye morphogenesis establishment of tissue polarity compound eye morphogenesis morphogenesis of a polarized epithelium ommatidial rotation sensory system development establishment of planar polarity eye development compound eye development sensory organ morphogenesis regulation of tube length, open tracheal system regulation of tube size regulation of tube size, open tracheal system regulation of anatomical structure size positive regulation of cell division cell division regulation of cell division eye-antennal disc morphogenesis eye-antennal disc development photoreceptor cell differentiation neuron fate commitment nervous system development cell fate determination photoreceptor cell fate determination generation of neurons neurogenesis neuron differentiation photoreceptor cell fate commitment neuron fate determination cell fate commitment cell fate commitment involved in pattern specification cell fate specification involved in pattern specification cell fate specification wing and notum subfield formation notum cell fate specification eye photoreceptor cell differentiation compound eye photoreceptor cell differentiation cellular response to stimulus cell surface receptor signaling pathway signaling cell surface receptor protein tyrosine kinase signaling pathway cell communication ERBB signaling pathway epidermal growth factor receptor signaling pathway signal transduction enzyme-linked receptor protein signaling pathway oenocyte differentiation spiracle morphogenesis, open tracheal system positive regulation of locomotion regulation of cell motility positive regulation of cell migration positive regulation of epithelial cell migration tissue migration ameboidal-type cell migration positive regulation of cell motility regulation of cell migration cell migration regulation of multicellular organismal process epithelial cell migration cell motility regulation of epithelial cell migration locomotion positive regulation of border follicle cell migration regulation of border follicle cell migration follicle cell of egg chamber migration epithelium migration border follicle cell migration regulation of locomotion digestive system development digestive tract development digestive tract morphogenesis phosphorylation phosphate-containing compound metabolic process phosphorus metabolic process regulation of growth regulation of developmental growth regulation of developmental process regulation of imaginal disc growth developmental growth growth positive regulation of developmental process positive regulation of growth imaginal disc growth positive regulation of imaginal disc growth positive regulation of developmental growth Malpighian tubule development renal system development renal tubule development hindgut development epithelial tube morphogenesis Malpighian tubule morphogenesis hindgut morphogenesis embryonic hindgut morphogenesis renal tubule morphogenesis morphogenesis of embryonic epithelium dorsal closure dorsal closure, spreading of leading edge cells genital disc development determination of genital disc primordium determination of imaginal disc primordium positive regulation of cell communication positive regulation of signal transduction regulation of signal transduction intracellular signal transduction positive regulation of ERK1 and ERK2 cascade regulation of intracellular signal transduction intracellular signaling cassette regulation of signaling positive regulation of MAPK cascade positive regulation of intracellular signal transduction regulation of MAPK cascade MAPK cascade regulation of cell communication ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade positive regulation of signaling negative regulation of programmed cell death regulation of apoptotic process negative regulation of biological process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process apoptotic process programmed cell death heart process circulatory system process compound eye retinal cell programmed cell death regulation of retinal cell programmed cell death negative regulation of compound eye retinal cell programmed cell death negative regulation of developmental process programmed cell death involved in cell development regulation of compound eye retinal cell programmed cell death retinal cell programmed cell death negative regulation of retinal cell programmed cell death establishment or maintenance of bipolar cell polarity establishment or maintenance of apical/basal cell polarity appendage development post-embryonic appendage morphogenesis imaginal disc-derived wing morphogenesis imaginal disc-derived appendage morphogenesis appendage morphogenesis imaginal disc-derived appendage development polarized epithelial cell differentiation establishment of monopolar cell polarity establishment or maintenance of monopolar cell polarity establishment of epithelial cell apical/basal polarity establishment of cell polarity establishment or maintenance of epithelial cell apical/basal polarity establishment of apical/basal cell polarity establishment of epithelial cell polarity notum development gonad development reproductive system development sex differentiation development of primary sexual characteristics reproductive structure development mitotic cell cycle second mitotic wave involved in compound eye morphogenesis cell cycle adult behavior response to alcohol behavioral response to ethanol response to oxygen-containing compound response to ethanol eggshell formation chorion-containing eggshell formation chorion-containing eggshell pattern formation haltere disc development haltere development stem cell fate commitment stem cell differentiation compound eye cone cell differentiation cellular component biogenesis cellular component organization cellular component assembly cell projection organization cellular component organization or biogenesis cell projection assembly cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation negative regulation of signaling negative regulation of cell communication negative regulation of apoptotic signaling pathway negative regulation of response to stimulus negative regulation of signal transduction apoptotic signaling pathway regulation of apoptotic signaling pathway imaginal disc-derived wing vein specification leg disc pattern formation leg disc proximal/distal pattern formation leg disc development imaginal disc pattern formation proximal/distal pattern formation, imaginal disc proximal/distal pattern formation determination of adult lifespan cellular component assembly involved in morphogenesis egg chorion assembly cellular anatomical entity morphogenesis dorsal appendage formation external encapsulating structure organization regulation of cell cycle phase transition negative regulation of cell cycle cell cycle phase transition regulation of cell cycle G1/S phase transition cell cycle G1/S phase transition negative regulation of mitotic cell cycle regulation of mitotic cell cycle negative regulation of cell cycle phase transition regulation of cell cycle cell cycle process negative regulation of G1/S transition of mitotic cell cycle negative regulation of mitotic cell cycle phase transition regulation of cell cycle process negative regulation of cell cycle G1/S phase transition negative regulation of cell cycle process regulation of mitotic cell cycle phase transition mitotic cell cycle process regulation of G1/S transition of mitotic cell cycle G1/S transition of mitotic cell cycle mitotic cell cycle phase transition peripheral nervous system development epithelial cell proliferation involved in renal tubule morphogenesis epithelial cell proliferation involved in Malpighian tubule morphogenesis epithelial cell proliferation positive regulation of phosphorylation positive regulation of phosphorus metabolic process positive regulation of phosphate metabolic process regulation of phosphate metabolic process regulation of phosphorus metabolic process regulation of phosphorylation imaginal disc-derived wing vein morphogenesis negative regulation of cellular metabolic process negative regulation of macromolecule metabolic process negative regulation of metabolic process negative regulation of cellular biosynthetic process negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process tracheal outgrowth, open tracheal system oocyte development cell maturation oocyte axis specification oocyte construction developmental maturation anatomical structure maturation oocyte differentiation R8 cell differentiation gland development salivary gland development exocrine system development	protein-containing complex receptor complex cell periphery apical part of cell membrane plasma membrane plasma membrane region cellular anatomical entity apical plasma membrane basal part of cell basal plasma membrane
C [auth D]	Protein spitz	protein binding binding molecular function activator activity signaling receptor binding molecular function regulator activity signaling receptor regulator activity receptor ligand activity signaling receptor activator activity protein tyrosine kinase activator activity enzyme regulator activity transmembrane receptor protein tyrosine kinase activator activity protein kinase regulator activity kinase activator activity enzyme activator activity protein binding binding molecular function activator activity signaling receptor binding molecular function regulator activity signaling receptor regulator activity receptor ligand activity signaling receptor activator activity protein tyrosine kinase activator activity enzyme regulator activity transmembrane receptor protein tyrosine kinase activator activity protein kinase regulator activity kinase activator activity enzyme activator activity protein kinase activator activity kinase regulator activity epidermal growth factor receptor binding growth factor receptor binding	developmental process cellular developmental process animal organ development genital disc development determination of genital disc primordium determination of imaginal disc primordium cell differentiation imaginal disc development anatomical structure development cellular process cell fate commitment cellular response to stimulus positive regulation of cell communication regulation of cellular process developmental process cellular developmental process animal organ development genital disc development determination of genital disc primordium determination of imaginal disc primordium cell differentiation imaginal disc development anatomical structure development cellular process cell fate commitment cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus positive regulation of ERK1 and ERK2 cascade regulation of intracellular signal transduction intracellular signaling cassette signal transduction positive regulation of cellular process regulation of biological process regulation of signaling positive regulation of MAPK cascade biological regulation positive regulation of intracellular signal transduction regulation of MAPK cascade regulation of response to stimulus MAPK cascade regulation of cell communication ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade positive regulation of signaling multicellular organismal process system process learning learning or memory nervous system process cognition associative learning behavior olfactory behavior response to chemical chemosensory behavior olfactory learning negative regulation of programmed cell death regulation of apoptotic process negative regulation of biological process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process apoptotic process programmed cell death heart process circulatory system process imaginal disc morphogenesis appendage development post-embryonic appendage morphogenesis wing disc development imaginal disc-derived wing morphogenesis instar larval or pupal development metamorphosis imaginal disc-derived appendage morphogenesis multicellular organism development anatomical structure morphogenesis wing disc morphogenesis appendage morphogenesis imaginal disc-derived appendage development instar larval or pupal morphogenesis post-embryonic animal morphogenesis post-embryonic development animal organ morphogenesis morphogenesis of embryonic epithelium epithelium development embryonic morphogenesis morphogenesis of an epithelium embryo development tissue development dorsal closure embryonic development via the syncytial blastoderm tissue morphogenesis embryo development ending in birth or egg hatching sensory organ development establishment of ommatidial planar polarity visual system development pattern specification process establishment or maintenance of cell polarity eye morphogenesis establishment of tissue polarity compound eye morphogenesis morphogenesis of a polarized epithelium ommatidial rotation sensory system development system development establishment of planar polarity eye development compound eye development sensory organ morphogenesis photoreceptor cell differentiation neuron fate commitment nervous system development cell fate determination photoreceptor cell fate determination generation of neurons neurogenesis neuron differentiation photoreceptor cell fate commitment neuron fate determination adult behavior response to alcohol behavioral response to ethanol response to oxygen-containing compound response to ethanol stem cell fate commitment stem cell differentiation stomatogastric nervous system development cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation cell surface receptor signaling pathway cell surface receptor protein tyrosine kinase signaling pathway ERBB signaling pathway epidermal growth factor receptor signaling pathway enzyme-linked receptor protein signaling pathway spiracle morphogenesis, open tracheal system respiratory system development open tracheal system development positive regulation of locomotion regulation of cell motility sexual reproduction reproductive process cell development cellular process involved in reproduction in multicellular organism developmental process involved in reproduction female gamete generation epithelial cell differentiation gamete generation positive regulation of cell migration follicle cell of egg chamber development positive regulation of epithelial cell migration tissue migration ameboidal-type cell migration positive regulation of cell motility regulation of cell migration cell migration regulation of multicellular organismal process epithelial cell migration cell motility regulation of epithelial cell migration locomotion positive regulation of border follicle cell migration regulation of border follicle cell migration oogenesis multicellular organismal reproductive process follicle cell of egg chamber migration epithelium migration epithelial cell development border follicle cell migration regulation of locomotion germ cell development peripheral nervous system development Malpighian tubule development renal system development epithelial cell proliferation involved in renal tubule morphogenesis tube morphogenesis renal tubule development hindgut development epithelial cell proliferation involved in Malpighian tubule morphogenesis epithelial tube morphogenesis epithelial cell proliferation Malpighian tubule morphogenesis digestive system development tube development hindgut morphogenesis digestive tract development digestive tract morphogenesis embryonic hindgut morphogenesis renal tubule morphogenesis oenocyte development oenocyte differentiation positive regulation of nervous system development regulation of developmental process regulation of cell differentiation regulation of neurogenesis regulation of cell development regulation of nervous system development positive regulation of developmental process positive regulation of cell differentiation positive regulation of neurogenesis regulation of multicellular organismal development positive regulation of cell development positive regulation of multicellular organismal process cellular biosynthetic process negative regulation of cellular metabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process cellular metabolic process negative regulation of metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process formation of primary germ layer ectodermal cell fate commitment gastrulation ectoderm formation cell fate commitment involved in formation of primary germ layer ectodermal cell fate determination ectoderm development anatomical structure formation involved in morphogenesis ectodermal cell differentiation	membrane cellular anatomical entity cell periphery plasma membrane membrane-bounded organelle intracellular anatomical structure organelle subcompartment intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum membrane cellular anatomical entity cell periphery plasma membrane membrane-bounded organelle intracellular anatomical structure organelle subcompartment intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane Golgi membrane Golgi apparatus bounding membrane of organelle extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth C]	IPR016245	Tyrosine protein kinase, EGF/ERB/XmrK receptor	Family
A, B [auth C]	IPR008266	Tyrosine-protein kinase, active site	Active Site
A, B [auth C]	IPR020635	Tyrosine-protein kinase, catalytic domain	Domain
A, B [auth C]	IPR000719	Protein kinase domain	Domain
A, B [auth C]	IPR036941	Receptor L-domain superfamily	Homologous Superfamily
A, B [auth C]	IPR032778	Growth factor receptor domain 4	Domain
A, B [auth C]	IPR006212	Furin-like repeat	Repeat
A, B [auth C]	IPR000494	Receptor L-domain	Domain
A, B [auth C]	IPR017441	Protein kinase, ATP binding site	Binding Site
A, B [auth C]	IPR001245	Serine-threonine/tyrosine-protein kinase, catalytic domain	Domain
A, B [auth C]	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A, B [auth C]	IPR006211	Furin-like cysteine-rich domain	Domain
A, B [auth C]	IPR009030	Growth factor receptor cysteine-rich domain superfamily	Homologous Superfamily
C [auth D]	IPR043403	Protein Gurken/Spitz	Family
C [auth D]	IPR000742	EGF-like domain	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.