Annotations: 2JXA

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Sea urchin egg lectin (SUEL)-like	8049897	4006685	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Sea urchin egg lectin (SUEL)-like	8052998	3002155	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Gal_Lectin	e2jxaA1	A: beta sandwiches	X: jelly-roll	H: Latrophilin 1 gal_lectin domain (From Topology)	T: Latrophilin 1 gal_lectin domain	F: Gal_Lectin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.120.740	Mainly Beta	Sandwich	Jelly Rolls	Rhamnose-binding lectin domain (RBL)	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02140	Galactose binding lectin domain (Gal_Lectin)	Galactose binding lectin domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Latrophilin 1	molecular transducer activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity cell adhesion molecule binding protein binding binding latrotoxin receptor activity toxic substance binding carbohydrate binding	cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling calcium-mediated signaling using intracellular calcium source biological regulation intracellular signal transduction cell communication calcium-mediated signaling intracellular signaling cassette cellular process signal transduction positive regulation of nervous system development cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling calcium-mediated signaling using intracellular calcium source biological regulation intracellular signal transduction cell communication calcium-mediated signaling intracellular signaling cassette cellular process signal transduction positive regulation of nervous system development multicellular organismal process positive regulation of cellular component organization regulation of cellular component organization regulation of developmental process positive regulation of biological process regulation of nervous system development positive regulation of developmental process cellular component organization cellular component biogenesis multicellular organism development cellular component assembly cell junction assembly anatomical structure development regulation of multicellular organismal process regulation of synapse structure or activity synapse organization cellular component organization or biogenesis regulation of synapse assembly regulation of biological quality positive regulation of cellular process system development developmental process regulation of multicellular organismal development positive regulation of cellular component biogenesis nervous system development regulation of cellular component biogenesis regulation of cell junction assembly positive regulation of cell junction assembly regulation of synapse organization cell junction organization positive regulation of multicellular organismal process synapse assembly positive regulation of synapse assembly developmental maturation synapse maturation regulation of synapse maturation positive regulation of synapse maturation heterophilic cell-cell adhesion via plasma membrane cell adhesion molecules cell adhesion cell-cell adhesion cell-cell adhesion via plasma-membrane adhesion molecules adenylate cyclase-activating G protein-coupled receptor signaling pathway adenylate cyclase-modulating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway cell surface receptor signaling pathway	cell periphery plasma membrane membrane cellular anatomical entity presynapse synapse cell junction presynaptic membrane plasma membrane region synaptic membrane growth cone axon cell projection distal axon cell periphery plasma membrane membrane cellular anatomical entity presynapse synapse cell junction presynaptic membrane plasma membrane region synaptic membrane growth cone axon cell projection distal axon neuron projection plasma membrane bounded cell projection site of polarized growth glutamatergic synapse

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR017983	GPCR, family 2, secretin-like, conserved site	Conserved Site
A	IPR032471	GAIN domain, N-terminal	Domain
A	IPR036445	GPCR family 2, extracellular hormone receptor domain superfamily	Homologous Superfamily
A	IPR000832	GPCR, family 2, secretin-like	Family
A	IPR043159	D-galactoside/L-rhamnose binding SUEL lectin domain superfamily	Homologous Superfamily
A	IPR000203	GPS motif	Conserved Site
A	IPR003112	Olfactomedin-like domain	Domain
A	IPR031234	Latrophilin-1, , transmembrane domain	Domain
A	IPR017981	GPCR, family 2-like, 7TM	Domain
A	IPR003924	GPCR, family 2, latrophilin	Family
A	IPR001879	GPCR, family 2, extracellular hormone receptor domain	Domain
A	IPR003334	GPCR, family 2, latrophilin, C-terminal	Domain
A	IPR000922	D-galactoside/L-rhamnose binding SUEL lectin domain	Domain
A	IPR046338	GAIN domain 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.