4OFP

Crystal Structure of SYG-2 D3-D4

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
A	PF00047	e4ofpA4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF00047	ECOD (1.6)
A	PF13927	e4ofpA3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF13927	ECOD (1.6)
B	PF00047	e4ofpB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF00047	ECOD (1.6)
B	PF13927	e4ofpB2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF13927	ECOD (1.6)
C	PF00047	e4ofpC1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF00047	ECOD (1.6)
C	PF13927	e4ofpC2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF13927	ECOD (1.6)
D	PF00047	e4ofpD2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF00047	ECOD (1.6)
D	PF13927	e4ofpD1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF13927	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)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D	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, C, D	PF22705	Butyrophilin subfamily 3 member A2-like, Ig-C domain (C2-set_3)	Butyrophilin subfamily 3 member A2-like, Ig-C domain	This domain is found in human Butyrophilin subfamily 3 member A2 (BTN3A2), a protein that plays a role in T-cell responses in the adaptive immune response. BTN3A2 shows two extracellular domains: an N-terminal Ig-V like domain (Pfam:PF07686) and a C- ...	This domain is found in human Butyrophilin subfamily 3 member A2 (BTN3A2), a protein that plays a role in T-cell responses in the adaptive immune response. BTN3A2 shows two extracellular domains: an N-terminal Ig-V like domain (Pfam:PF07686) and a C-terminal Ig-C type domain that is located in the centre of the protein sequence [6].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Protein SYG-2	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity cell adhesion molecule binding	cell adhesion cell-cell adhesion cellular process protein localization localization cellular localization protein localization to synapse cellular macromolecule localization macromolecule localization protein localization to cell junction developmental process neuron recognition multicellular organismal process cellular developmental process cell adhesion cell-cell adhesion cellular process protein localization localization cellular localization protein localization to synapse cellular macromolecule localization macromolecule localization protein localization to cell junction developmental process neuron recognition multicellular organismal process cellular developmental process cell development nervous system development synaptic target recognition generation of neurons neurogenesis multicellular organism development neuron differentiation cell differentiation neuron development anatomical structure development cell recognition system development regulation of biological process signaling biological regulation cell-cell signaling cell communication cellular component organization cellular component biogenesis cell junction organization cellular component assembly cell junction assembly synapse organization cellular component organization or biogenesis synapse assembly axonogenesis developmental growth cell projection organization plasma membrane bounded cell projection morphogenesis neuron projection development cell growth cell morphogenesis cell projection morphogenesis neuron projection morphogenesis collateral sprouting plasma membrane bounded cell projection organization developmental cell growth growth axon development cell morphogenesis involved in neuron differentiation developmental growth involved in morphogenesis anatomical structure morphogenesis	cell-cell junction anchoring junction cell junction cellular anatomical entity cell periphery membrane plasma membrane synapse plasma membrane region synaptic membrane protein-containing complex protein complex involved in cell adhesion

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, B, C, D	IPR003599	Immunoglobulin subtype	Domain
A, B, C, D	IPR003598	Immunoglobulin subtype 2	Domain
A, B, C, D	IPR003961	Fibronectin type III	Domain
A, B, C, D	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B, C, D	IPR013106	Immunoglobulin V-set domain	Domain
A, B, C, D	IPR013162	CD80-like, immunoglobulin C2-set	Domain
A, B, C, D	IPR007110	Immunoglobulin-like domain	Domain
A, B, C, D	IPR013098	Immunoglobulin I-set	Domain
A, B, C, D	IPR036116	Fibronectin type III superfamily	Homologous Superfamily

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.