4OFY | pdb_00004ofy

Crystal Structure of the Complex of SYG-1 D1-D2 and SYG-2 D1-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)
F		e4ofyF1	A: alpha bundles	X: Lipocalins/Streptavidin	H: RIFT-related	T: acid protease	F:	ECOD (develop294)
E	Rep-A_N	e4ofyE1	A: alpha bundles	X: DEATH domain	H: HTH	T: winged helix domain	F: Rep-A_N	ECOD (develop294)
D	LRR_adjacent	e4ofyD1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Fibronectin type I module-like	T: Fibronectin type I module	F: LRR_adjacent	ECOD (develop294)
C	Sigma70_r2,Sigma70_ner	e4ofyC1	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: Sigma70_r2,Sigma70_ner	ECOD (develop294)
B	Sigma70_r2,Sigma70_ner	e4ofyB1	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: Sigma70_r2,Sigma70_ner	ECOD (develop294)
A		e4ofyA1	A: alpha bundles	X: Lipocalins/Streptavidin	H: RIFT-related	T: acid protease	F:	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E	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)
C	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)
A	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
D, E, F	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain
D, E, F	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
D, E, F	PF08205	CD80-like C2-set immunoglobulin domain (C2-set_2)	CD80-like C2-set immunoglobulin domain	These domains belong to the immunoglobulin superfamily.	Domain
A, B, C	PF07679	Immunoglobulin I-set domain (I-set)	Immunoglobulin I-set domain		Domain
A, B, C	PF08205	CD80-like C2-set immunoglobulin domain (C2-set_2)	CD80-like C2-set immunoglobulin domain	These domains belong to the immunoglobulin superfamily.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D, E, F	Protein SYG-2	cell adhesion molecule binding protein binding binding identical protein binding protein homodimerization activity protein dimerization activity	localization protein localization to synapse macromolecule localization intracellular protein localization protein localization to cell junction regulation of biological process signaling biological regulation cell-cell signaling cellular process cell communication cellular component organization cell junction organization synapse organization localization protein localization to synapse macromolecule localization intracellular protein localization protein localization to cell junction regulation of biological process signaling biological regulation cell-cell signaling cellular process cell communication cellular component organization cell junction organization synapse organization cellular component organization or biogenesis multicellular organismal process axonogenesis cellular developmental process developmental growth cell projection organization plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell growth cell morphogenesis neurogenesis multicellular organism development cell projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation anatomical structure development system development developmental process collateral sprouting plasma membrane bounded cell projection organization developmental cell growth growth nervous system development axon development cell morphogenesis involved in neuron differentiation developmental growth involved in morphogenesis generation of neurons anatomical structure morphogenesis neuron development cell adhesion cell-cell adhesion neuron recognition synaptic target recognition cell recognition cellular component biogenesis cellular component assembly cell junction assembly synapse assembly	cell-cell junction cellular anatomical structure anchoring junction cell junction cell periphery membrane plasma membrane synapse plasma membrane region synaptic membrane protein-containing complex protein complex involved in cell adhesion
A, B, C	Protein SYG-1, isoform b	protein-containing complex binding binding cell adhesion molecule binding protein binding	developmental process anatomical structure morphogenesis multicellular organismal process multicellular organism development morphogenesis of a branching structure anatomical structure development branching morphogenesis of a nerve nervous system development system development cell adhesion cell-cell adhesion cellular process neuron recognition cellular developmental process developmental process anatomical structure morphogenesis multicellular organismal process multicellular organism development morphogenesis of a branching structure anatomical structure development branching morphogenesis of a nerve nervous system development system development cell adhesion cell-cell adhesion cellular process neuron recognition cellular developmental process cell development synaptic target recognition generation of neurons neurogenesis neuron differentiation cell differentiation neuron development cell recognition 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 actin cytoskeleton organization actin filament organization organelle organization actin filament bundle organization actin filament bundle assembly actin filament-based process supramolecular fiber organization cytoskeleton organization 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	cell-cell junction cellular anatomical structure anchoring junction cell junction cell periphery membrane plasma membrane synapse plasma membrane region synaptic membrane axon cell projection neuron projection plasma membrane bounded cell projection cell-cell junction cellular anatomical structure anchoring junction cell junction cell periphery membrane plasma membrane synapse plasma membrane region synaptic membrane axon cell projection neuron projection plasma membrane bounded cell projection protein-containing complex protein complex involved in cell adhesion

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
D, E, F	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
D, E, F	IPR003598	Immunoglobulin subtype 2	Domain
D, E, F	IPR013106	Immunoglobulin V-set domain	Domain
D, E, F	IPR003599	Immunoglobulin domain subtype	Domain
D, E, F	IPR013098	Immunoglobulin I-set	Domain
D, E, F	IPR051275	Cellular adhesion and signaling domain-containing protein	Family
D, E, F	IPR003961	Fibronectin type III	Domain
D, E, F	IPR053896	Butyrophilin subfamily 3 member A2-like, Ig-C domain	Domain
D, E, F	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
D, E, F	IPR013162	CD80-like, immunoglobulin C2-set	Domain
D, E, F	IPR007110	Immunoglobulin-like domain	Domain
D, E, F	IPR036116	Fibronectin type III superfamily	Homologous Superfamily
A, B, C	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, B, C	IPR003598	Immunoglobulin subtype 2	Domain
A, B, C	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B, C	IPR003599	Immunoglobulin domain subtype	Domain
A, B, C	IPR013162	CD80-like, immunoglobulin C2-set	Domain
A, B, C	IPR007110	Immunoglobulin-like domain	Domain
A, B, C	IPR013098	Immunoglobulin I-set	Domain
A, B, C	IPR051275	Cellular adhesion and signaling domain-containing protein	Family