Annotations: 4BQ9

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	fn3	e4bq9A1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (1.6)
A	fn3_6	e4bq9A2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3_6	ECOD (1.6)
B	fn3	e4bq9B1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (1.6)
B	fn3_6	e4bq9B2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3_6	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	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
A, B	NEOGENIN	molecular transducer activity signaling receptor activity protein binding binding BMP receptor binding receptor serine/threonine kinase binding signaling receptor binding transmembrane receptor protein serine/threonine kinase binding cell adhesion molecule binding cadherin binding co-receptor binding	intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis negative regulation of protein transport protein localization regulation of localization establishment of protein localization intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis negative regulation of protein transport protein localization regulation of localization establishment of protein localization cellular localization nitrogen compound transport regulation of cellular process regulation of protein localization transport negative regulation of biological process negative regulation of transport protein localization to extracellular region localization negative regulation of secretion regulation of secretion by cell secretion by cell cellular macromolecule localization negative regulation of cellular process negative regulation of secretion by cell negative regulation of protein localization regulation of biological process regulation of transport secretion organic substance transport biological regulation regulation of establishment of protein localization establishment of protein localization to extracellular region negative regulation of establishment of protein localization export from cell regulation of protein transport protein secretion establishment of localization regulation of secretion regulation of protein secretion negative regulation of protein secretion protein transport regulation of cellular localization macromolecule localization cellular process multicellular organismal-level iron ion homeostasis multicellular organismal process multicellular organismal-level homeostasis multicellular organismal-level chemical homeostasis cellular response to stimulus positive regulation of cell communication cell surface receptor protein serine/threonine kinase signaling pathway cellular response to growth factor stimulus positive regulation of signal transduction response to stimulus signaling regulation of transmembrane receptor protein serine/threonine kinase signaling pathway positive regulation of biological process regulation of signal transduction positive regulation of BMP signaling pathway cell communication positive regulation of response to stimulus cellular response to endogenous stimulus signal transduction BMP signaling pathway enzyme-linked receptor protein signaling pathway positive regulation of cellular process cellular response to BMP stimulus regulation of signaling cell surface receptor signaling pathway regulation of BMP signaling pathway response to endogenous stimulus regulation of cellular response to growth factor stimulus positive regulation of transmembrane receptor protein serine/threonine kinase signaling pathway response to BMP regulation of response to stimulus regulation of cell communication transforming growth factor beta receptor superfamily signaling pathway response to growth factor positive regulation of signaling cell projection organization regulation of cellular response to stress negative regulation of neuron projection regeneration neuron projection development regeneration neuron projection regeneration multicellular organism development neuron differentiation cell differentiation anatomical structure development response to wounding system development developmental process regulation of axon regeneration negative regulation of cellular component organization regulation of cell projection organization response to external stimulus nervous system development generation of neurons negative regulation of response to external stimulus regulation of neuron projection regeneration negative regulation of axon regeneration regulation of neuron projection development regulation of cellular component organization regulation of developmental process cellular developmental process regulation of response to external stimulus cell development response to axon injury regulation of response to wounding cellular component organization neurogenesis cellular response to stress axon regeneration response to stress regulation of response to stress cellular component organization or biogenesis negative regulation of cell projection organization plasma membrane bounded cell projection organization negative regulation of response to stimulus negative regulation of developmental process negative regulation of response to wounding axon development negative regulation of neuron projection development neuron development regulation of plasma membrane bounded cell projection organization cellular biosynthetic process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process organic substance metabolic process organic substance biosynthetic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process cellular metabolic process primary 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 regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process axonogenesis plasma membrane bounded cell projection morphogenesis cell morphogenesis cell projection morphogenesis neuron projection morphogenesis axon guidance cell morphogenesis involved in neuron differentiation anatomical structure morphogenesis neuron projection guidance myoblast fusion cell-cell fusion muscle cell differentiation myotube differentiation muscle structure development syncytium formation by plasma membrane fusion anatomical structure formation involved in morphogenesis syncytium formation striated muscle cell differentiation neuron migration cell migration cell motility cell adhesion cell-cell adhesion	growth cone axon cell projection distal axon neuron projection axonal growth cone cellular anatomical entity plasma membrane bounded cell projection site of polarized growth membrane cell surface cell periphery plasma membrane membrane-bounded organelle growth cone axon cell projection distal axon neuron projection axonal growth cone cellular anatomical entity plasma membrane bounded cell projection site of polarized growth membrane cell surface cell periphery plasma membrane membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen Golgi apparatus cytoplasm endomembrane system protein-containing complex plasma membrane protein complex membrane protein complex intracellular vesicle vesicle somatodendritic compartment cell body neuronal cell body

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR010560	Neogenin, C-terminal	Domain
A, B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, B	IPR003599	Immunoglobulin subtype	Domain
A, B	IPR003598	Immunoglobulin subtype 2	Domain
A, B	IPR013098	Immunoglobulin I-set	Domain
A, B	IPR003961	Fibronectin type III	Domain
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR007110	Immunoglobulin-like domain	Domain
A, B	IPR036116	Fibronectin type III superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.