Annotations: 10GH

Cryo-EM structure of Receptor Tyrosine Kinase ROS1 in complex with Fab-RX5

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	Guanylate_kin	e10ghC1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Guanylate_kin	ECOD (v295.2)
A	Guanylate_kin	e10ghA1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Guanylate_kin	ECOD (v295.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C	Heavy Chain	IGHV3	-	proto-oncogene tyrosine-protein kinase ros	SAbDab (2026-08-28)
B	Light Chain	IGKV1	Kappa	proto-oncogene tyrosine-protein kinase ros	SAbDab (2026-08-28)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00041	Fibronectin type III domain (fn3)	Fibronectin type III domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C	Fab-RX5 heavy chain	-	-	-
B	Fab-RX5 light chain	-	-	-
A	Proto-oncogene tyrosine-protein kinase ROS	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 protein phosphatase 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 protein phosphatase binding phosphatase binding protein binding binding enzyme binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding	protein phosphorylation protein autophosphorylation phosphorylation primary metabolic process peptidyl-tyrosine autophosphorylation macromolecule modification phosphate-containing compound metabolic process metabolic process cellular process protein metabolic process macromolecule metabolic process peptidyl-tyrosine phosphorylation protein modification process developmental process protein phosphorylation protein autophosphorylation phosphorylation primary metabolic process peptidyl-tyrosine autophosphorylation macromolecule modification phosphate-containing compound metabolic process metabolic process cellular process protein metabolic process macromolecule metabolic process peptidyl-tyrosine phosphorylation protein modification process developmental process spermatogenesis sexual reproduction reproductive process multicellular organismal reproductive process developmental process involved in reproduction male gamete generation gamete generation cellular developmental process cell differentiation epithelium development cell development tissue development epithelial cell differentiation epithelial cell development columnar/cuboidal epithelial cell development anatomical structure development columnar/cuboidal epithelial cell differentiation animal gross anatomical part developmental process regulation of localization localization regulation of biological process regulation of transport transport biological regulation phosphate ion transport regulation of phosphate transport establishment of localization inorganic anion transport regulation of growth regulation of cellular component organization regulation of cellular process growth regulation of cell growth cell growth cellular component organization cellular component organization or biogenesis cellular response to stimulus response to stimulus signaling signal transduction cell communication biosynthetic process gene expression macromolecule biosynthetic process regulation of signaling regulation of signal transduction regulation of MAPK cascade intracellular signal transduction regulation of intracellular signal transduction regulation of response to stimulus intracellular signaling cassette MAPK cascade regulation of cell communication ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade cell surface receptor signaling pathway cell surface receptor protein tyrosine kinase signaling pathway enzyme-linked receptor protein signaling pathway regulation of biosynthetic process negative regulation of metabolic process negative regulation of biological process regulation of macromolecule metabolic process regulation of gene expression negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of cellular process regulation of macromolecule biosynthetic process regulation of metabolic process negative regulation of macromolecule metabolic process TOR signaling regulation of TOR signaling	cell surface cellular anatomical structure cell periphery plasma membrane membrane protein-containing complex signaling receptor complex intracellular anatomical structure perinuclear region of cytoplasm cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR011042	Six-bladed beta-propeller, TolB-like	Homologous Superfamily
A	IPR017441	Protein kinase, ATP binding site	Binding Site
A	IPR008266	Tyrosine-protein kinase, active site	Active Site
A	IPR020635	Tyrosine-protein kinase, catalytic domain	Domain
A	IPR000719	Protein kinase domain	Domain
A	IPR001245	Serine-threonine/tyrosine-protein kinase, catalytic domain	Domain
A	IPR003961	Fibronectin type III	Domain
A	IPR000033	LDLR class B repeat	Repeat
A	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR050122	Receptor Tyrosine Kinase	Family
A	IPR036116	Fibronectin type III superfamily	Homologous Superfamily

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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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.