Annotations: 4OF0

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Sigma70_r2,Sigma70_ner	e4of0A1	A: alpha bundles	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: Sigma70_r2,Sigma70_ner	ECOD (develop294)

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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF07679	Immunoglobulin I-set domain (I-set)	Immunoglobulin I-set domain		Domain
A	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
A	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
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR003598	Immunoglobulin subtype 2	Domain
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR003599	Immunoglobulin domain subtype	Domain
A	IPR013162	CD80-like, immunoglobulin C2-set	Domain
A	IPR007110	Immunoglobulin-like domain	Domain
A	IPR013098	Immunoglobulin I-set	Domain
A	IPR051275	Cellular adhesion and signaling domain-containing protein	Family

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.