Annotations: 3LRA

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	L27 domain	8067961	4000688	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	L27 domain	8067962	3001054	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	L27_1	e3lraA1	A: alpha duplicates or obligate multimers	X: L27 domain (From Topology)	H: L27 domain (From Topology)	T: L27 domain	F: L27_1	ECOD (1.6)
A	L27_like	e3lraA3	A: alpha duplicates or obligate multimers	X: L27 domain (From Topology)	H: L27 domain (From Topology)	T: L27 domain	F: L27_like	ECOD (1.6)
A	L27	e3lraA2	A: alpha duplicates or obligate multimers	X: L27 domain (From Topology)	H: L27 domain (From Topology)	T: L27 domain	F: L27	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF09058	L27_1 (L27_1)	L27_1	The L27 domain is a protein interaction module that exists in a large family of scaffold proteins, functioning as an organisation centre of large protein assemblies required for the establishment and maintenance of cell polarity. L27 domains form spe ...	The L27 domain is a protein interaction module that exists in a large family of scaffold proteins, functioning as an organisation centre of large protein assemblies required for the establishment and maintenance of cell polarity. L27 domains form specific heterotetrameric complexes, in which each domain contains three alpha-helices [1].	Domain
A	PF02828	L27 domain (L27)	L27 domain	The L27 domain is found in receptor targeting proteins Lin-2 and Lin-7.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Disks large homolog 1, MAGUK p55 subfamily member 7, Protein lin-7 homolog C	protein binding binding protein domain specific binding protein-macromolecule adaptor activity molecular adaptor activity signaling adaptor activity cell adhesion molecule binding cadherin binding L27 domain binding cytoskeletal protein binding structural constituent of postsynapse structural molecule activity structural constituent of postsynaptic density structural constituent of synapse protein binding binding protein domain specific binding protein-macromolecule adaptor activity molecular adaptor activity signaling adaptor activity cell adhesion molecule binding cadherin binding L27 domain binding cytoskeletal protein binding structural constituent of postsynapse structural molecule activity structural constituent of postsynaptic density structural constituent of synapse structural constituent of postsynaptic specialization phosphoric ester hydrolase activity phosphoprotein phosphatase activity catalytic activity, acting on a protein hydrolase activity, acting on ester bonds phosphatase activity hydrolase activity catalytic activity potassium channel regulator activity channel regulator activity ion channel regulator activity molecular function regulator activity transporter regulator activity kinase binding enzyme binding protein kinase binding nucleobase-containing compound kinase activity nucleoside monophosphate kinase activity kinase activity transferase activity guanylate kinase activity phosphotransferase activity, phosphate group as acceptor transferase activity, transferring phosphorus-containing groups phosphatase binding ionotropic glutamate receptor binding signaling receptor binding glutamate receptor binding transmembrane transporter binding	regulation of biological process positive regulation of cellular component organization regulation of cellular process regulation of cellular component organization protein-containing complex organization positive regulation of cellular component biogenesis biological regulation positive regulation of biological process regulation of cellular component biogenesis cellular component organization cellular component biogenesis positive regulation of protein-containing complex assembly regulation of protein-containing complex assembly cellular component assembly protein-containing complex assembly regulation of biological process positive regulation of cellular component organization regulation of cellular process regulation of cellular component organization protein-containing complex organization positive regulation of cellular component biogenesis biological regulation positive regulation of biological process regulation of cellular component biogenesis cellular component organization cellular component biogenesis positive regulation of protein-containing complex assembly regulation of protein-containing complex assembly cellular component assembly protein-containing complex assembly cellular process cellular component organization or biogenesis positive regulation of cellular process establishment of cell polarity establishment or maintenance of cell polarity bicellular tight junction assembly tight junction organization apical junction assembly cell junction organization cell junction assembly tight junction assembly cell-cell junction assembly cell-cell junction organization protein localization localization cellular localization cellular macromolecule localization macromolecule localization protein localization to cell junction protein localization to adherens junction protein localization to cell-cell junction developmental process tissue morphogenesis anatomical structure morphogenesis epithelium development anatomical structure development morphogenesis of an epithelium tissue development morphogenesis of an epithelial sheet trans-synaptic signaling neurotransmitter secretion transport signaling secretion cell-cell signaling export from cell neurotransmitter transport establishment of localization cell communication chemical synaptic transmission signal release from synapse synaptic signaling secretion by cell signal release anterograde trans-synaptic signaling establishment of localization in cell establishment of protein localization nitrogen compound transport protein transport establishment or maintenance of bipolar cell polarity establishment or maintenance of epithelial cell apical/basal polarity maintenance of cell polarity maintenance of epithelial cell apical/basal polarity maintenance of apical/basal cell polarity establishment or maintenance of apical/basal cell polarity exocytosis vesicle-mediated transport protein localization to cell periphery localization within membrane protein localization to basolateral plasma membrane protein localization to membrane multicellular organismal process sensory organ development eye development animal organ development visual system development multicellular organism development camera-type eye development sensory system development lens development in camera-type eye system development positive regulation of protein localization to plasma membrane regulation of localization regulation of protein localization regulation of protein localization to membrane positive regulation of protein localization to cell periphery protein localization to plasma membrane positive regulation of protein localization to membrane regulation of protein localization to cell periphery regulation of cellular localization positive regulation of protein localization regulation of protein localization to plasma membrane heart process system process regulation of actin filament-based process cardiac muscle cell action potential involved in contraction regulation of ventricular cardiac muscle cell action potential regulation of heart contraction regulation of system process cardiac muscle contraction striated muscle contraction circulatory system process regulation of cardiac muscle cell action potential actin filament-based process regulation of multicellular organismal process regulation of biological quality blood circulation cardiac muscle cell contraction regulation of action potential ventricular cardiac muscle cell action potential regulation of cardiac muscle contraction action potential actin filament-based movement muscle contraction muscle system process regulation of muscle system process regulation of blood circulation regulation of striated muscle contraction regulation of actin filament-based movement regulation of muscle contraction regulation of cardiac muscle cell contraction actin-mediated cell contraction heart contraction cardiac muscle cell action potential regulation of membrane potential negative regulation of lymphocyte proliferation regulation of leukocyte activation negative regulation of biological process regulation of cell activation negative regulation of T cell proliferation negative regulation of cell adhesion negative regulation of leukocyte proliferation T cell activation lymphocyte proliferation regulation of immune system process regulation of leukocyte proliferation cell population proliferation negative regulation of T cell activation negative regulation of leukocyte cell-cell adhesion regulation of cell population proliferation mononuclear cell proliferation negative regulation of cell-cell adhesion regulation of leukocyte cell-cell adhesion negative regulation of multicellular organismal process negative regulation of leukocyte activation lymphocyte activation negative regulation of lymphocyte activation leukocyte proliferation leukocyte cell-cell adhesion leukocyte activation negative regulation of mononuclear cell proliferation cell adhesion cell-cell adhesion negative regulation of cellular process regulation of cell-cell adhesion T cell proliferation regulation of lymphocyte proliferation negative regulation of cell population proliferation regulation of cell adhesion cell activation regulation of T cell activation negative regulation of cell activation regulation of T cell proliferation negative regulation of immune system process immune system process regulation of mononuclear cell proliferation regulation of lymphocyte activation cellular response to stimulus response to stimulus negative regulation of signaling negative regulation of intracellular signal transduction regulation of signal transduction intracellular signal transduction negative regulation of cell communication regulation of intracellular signal transduction intracellular signaling cassette signal transduction regulation of signaling negative regulation of response to stimulus regulation of MAPK cascade negative regulation of signal transduction negative regulation of ERK1 and ERK2 cascade regulation of response to stimulus MAPK cascade regulation of cell communication ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade negative regulation of MAPK cascade protein-containing complex localization regulation of potassium ion transport regulation of transport regulation of monoatomic ion transport metal ion transport positive regulation of potassium ion transport positive regulation of transport positive regulation of monoatomic ion transport monoatomic ion transport potassium ion transport monoatomic cation transport regulation of metal ion transport metabolic process primary metabolic process protein metabolic process macromolecule metabolic process amyloid precursor protein metabolic process monoatomic ion transmembrane transport potassium ion transmembrane transport regulation of monoatomic ion transmembrane transport export across plasma membrane potassium ion export across plasma membrane monoatomic cation transmembrane transport inorganic ion transmembrane transport regulation of potassium ion transmembrane transport inorganic cation transmembrane transport transmembrane transport regulation of transmembrane transport regulation of potassium ion export across plasma membrane regulation of monoatomic cation transmembrane transport cellular biosynthetic process RNA metabolic process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process transcription by RNA polymerase II negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II cellular metabolic process negative regulation of metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process organelle organization actin cytoskeleton organization actin filament organization supramolecular fiber organization cytoskeleton organization receptor clustering smooth muscle contraction phasic smooth muscle contraction peristalsis endothelial cell proliferation epithelial cell proliferation membrane organization membrane raft organization protein polymerization actin polymerization or depolymerization actin filament polymerization receptor localization to synapse positive regulation of cell population proliferation sodium ion transmembrane transport regulation of sodium ion transport regulation of sodium ion transmembrane transport sodium ion transport positive regulation of organelle organization regulation of cytoskeleton organization regulation of cellular component size positive regulation of protein polymerization regulation of actin filament polymerization regulation of actin filament organization positive regulation of cytoskeleton organization regulation of actin polymerization or depolymerization positive regulation of supramolecular fiber organization regulation of organelle organization regulation of protein polymerization regulation of actin filament length regulation of actin cytoskeleton organization regulation of supramolecular fiber organization positive regulation of actin filament polymerization regulation of anatomical structure size establishment of organelle localization centrosome localization organelle localization microtubule organizing center localization establishment of centrosome localization protein localization to postsynaptic specialization membrane protein localization to postsynaptic membrane protein localization to synapse neurotransmitter receptor localization to postsynaptic specialization membrane regulation of postsynaptic membrane neurotransmitter receptor levels protein localization to organelle protein localization to postsynapse hard palate development secondary palate development roof of mouth development embryonic organ morphogenesis chordate embryonic development embryonic morphogenesis embryo development embryo development ending in birth or egg hatching skeletal system development animal organ morphogenesis embryonic skeletal system development skeletal system morphogenesis embryonic organ development embryonic skeletal system morphogenesis cortical actin cytoskeleton organization cortical cytoskeleton organization cardiac muscle cell membrane repolarization membrane repolarization membrane repolarization during cardiac muscle cell action potential ventricular cardiac muscle cell membrane repolarization membrane repolarization during action potential membrane repolarization during ventricular cardiac muscle cell action potential regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction negative regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction phosphatidylinositol 3-kinase/protein kinase B signal transduction reproductive system development reproductive process reproductive structure development developmental process involved in reproduction regulation of epithelial cell proliferation negative regulation of epithelial cell proliferation mesonephric epithelium development kidney epithelium development nephron morphogenesis branching morphogenesis of an epithelial tube nephron tubule morphogenesis nephron epithelium morphogenesis nephron tubule development renal system development ureteric bud morphogenesis tube morphogenesis branching involved in ureteric bud morphogenesis renal tubule development epithelial tube morphogenesis nephron development nephron epithelium development ureteric bud development tube development mesonephros development kidney morphogenesis morphogenesis of a branching structure mesonephric tubule morphogenesis kidney development mesonephric tubule development renal tubule morphogenesis morphogenesis of a branching epithelium regulation of protein localization to synapse regulation of multicellular organismal development regulation of developmental process regulation of myelination nervous system development regulation of nervous system development myelination axon ensheathment ensheathment of neurons microtubule cytoskeleton organization cytoplasmic microtubule organization cortical microtubule organization microtubule-based process negative regulation of p38MAPK cascade p38MAPK cascade regulation of p38MAPK cascade import into cell potassium ion import across plasma membrane import across plasma membrane inorganic cation import across plasma membrane inorganic ion import across plasma membrane regulation of potassium ion import regulation of cell shape cell morphogenesis regulation of cell morphogenesis regulation of anatomical structure morphogenesis astral microtubule organization cell cycle spindle organization cell cycle process 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 mitotic cell cycle negative regulation of mitotic cell cycle regulation of mitotic cell cycle negative regulation of cell cycle phase transition regulation of cell cycle 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 immunological synapse formation cell-cell recognition cell recognition muscle tissue development smooth muscle tissue development	cell junction cellular anatomical entity cell periphery cell cortex intracellular anatomical structure cytoplasm cell-cell junction anchoring junction plasma membrane membrane membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cell junction cellular anatomical entity cell periphery cell cortex intracellular anatomical structure cytoplasm cell-cell junction anchoring junction plasma membrane membrane membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen adherens junction protein-containing complex plasma membrane protein complex membrane protein complex MPP7-DLG1-LIN7 complex apical junction complex bicellular tight junction tight junction lateral plasma membrane postsynaptic specialization membrane postsynaptic specialization synapse postsynaptic density membrane synaptic membrane postsynaptic density postsynapse neuron to neuron synapse postsynaptic membrane asymmetric synapse plasma membrane region basal part of cell basal plasma membrane basolateral plasma membrane presynapse glutamatergic synapse cytosol neuromuscular junction intercalated disc cell-cell contact zone apical part of cell apical plasma membrane axon cell projection main axon neuron projection node of Ranvier plasma membrane bounded cell projection cell projection membrane membrane microdomain membrane raft organelle subcompartment endomembrane system endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum organelle membrane endoplasmic reticulum membrane immunological synapse lateral loop myelin sheath myelin sheath abaxonal region basement membrane extracellular matrix external encapsulating structure collagen-containing extracellular matrix extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle sarcolemma Golgi apparatus perinuclear region of cytoplasm polymeric cytoskeletal fiber cytoskeleton intracellular non-membrane-bounded organelle supramolecular fiber microtubule supramolecular polymer supramolecular complex microtubule cytoskeleton non-membrane-bounded organelle cytoplasmic side of plasma membrane cytoplasmic side of membrane side of membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR008145	Guanylate kinase/L-type calcium channel beta subunit	Domain
A	IPR004172	L27 domain	Domain
A	IPR014775	L27 domain, C-terminal	Domain
A	IPR050716	Membrane-associated guanylate kinase	Family
A	IPR035599	MPP7, SH3 domain	Domain
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR020590	Guanylate kinase, conserved site	Conserved Site
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A	IPR036034	PDZ superfamily	Homologous Superfamily
A	IPR001452	SH3 domain	Domain
A	IPR036892	L27 domain superfamily	Homologous Superfamily
A	IPR008144	Guanylate kinase-like domain	Domain
A	IPR001478	PDZ domain	Domain
A	IPR004172	L27 domain	Domain
A	IPR014775	L27 domain, C-terminal	Domain
A	IPR017365	Protein lin-7	Family
A	IPR051109	Membrane-associated multiprotein complex regulator	Family
A	IPR036034	PDZ superfamily	Homologous Superfamily
A	IPR036892	L27 domain superfamily	Homologous Superfamily
A	IPR001478	PDZ domain	Domain
A	IPR015143	L27-1	Domain
A	IPR016313	Disks large 1-like	Family
A	IPR019590	Disks large homologue 1, N-terminal PEST domain	Domain
A	IPR008144	Guanylate kinase-like domain	Domain
A	IPR008145	Guanylate kinase/L-type calcium channel beta subunit	Domain
A	IPR001478	PDZ domain	Domain
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR020590	Guanylate kinase, conserved site	Conserved Site
A	IPR019583	Disks large homolog 1-4, PDZ-associated domain	Domain
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A	IPR050614	Synaptic Scaffolding LAP/MAGUK Families	Family
A	IPR001452	SH3 domain	Domain
A	IPR004172	L27 domain	Domain
A	IPR036034	PDZ superfamily	Homologous Superfamily
A	IPR036892	L27 domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q12959	pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia Prescription Drug Abuse rheumatoid arthritis substance abuse astrocytic tumor cystic fibrosis transitional cell carcinoma interstitial cystitis malignant glioma nasopharyngeal carcinoma osteosarcoma pilocytic astrocytoma primitive neuroectodermal tumor spina bifida atypical teratoid rhabdoid tumor pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia Prescription Drug Abuse rheumatoid arthritis substance abuse astrocytic tumor cystic fibrosis transitional cell carcinoma interstitial cystitis malignant glioma nasopharyngeal carcinoma osteosarcoma pilocytic astrocytoma primitive neuroectodermal tumor spina bifida atypical teratoid rhabdoid tumor substance-related disorder ulcerative colitis large cell medulloblastoma malignant pancreatic neoplasm oligodendroglioma pancreatic intraductal papillary-mucinous carcinoma pituitary cancer psoriasis subependymal giant cell astrocytoma substance dependence breast cancer drug dependence glioblastoma malignant ependymoma medulloblastoma adenoma obesity disorder progressive supranuclear palsy large cell medulloblastoma ovarian cancer psoriasis medulloblastoma plasma cell myeloma subependymal giant cell astrocytoma cleft palate schizophrenia pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia acne breast cancer Cleft palate with cleft lip Gaucher disease malignant ependymoma oligodendroglioma pancreatic intraductal papillary-mucinous carcinoma Pick disease spina bifida allergic rhinitis Brugada syndrome intellectual disability medulloblastoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm psoriasis subependymal giant cell astrocytoma astrocytic tumor Down syndrome large cell medulloblastoma non-small cell lung carcinoma ovarian cancer