8VTI | pdb_00008vti

Latrophilin-3 (ADGRL3) HormR and GAIN domains in the context of the holoreceptor

External Resource: Annotation

SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
D	Heavy Chain	IGHV3	-	isoform 4 of adhesion g protein-coupled receptor l3	SAbDab (2025-12-19)
C	Light Chain	IGKV1	Kappa	isoform 4 of adhesion g protein-coupled receptor l3	SAbDab (2025-12-19)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01825	GPCR proteolysis site, GPS, motif (GPS)	GPCR proteolysis site, GPS, motif	-	Motif
A	PF16489	AGRL2-4 GAIN subdomain A (GAIN)	AGRL2-4 GAIN subdomain A	This entry describes the GAIN subdomain A primarily found in adhesion G protein-coupled receptors L2-4 (AGRL2-4). It is also found in Latrophilin/CIRL, CELR1, AGRB1-3 and related G-protein -coupled receptors (GPCR). The GAIN domain consists of an N-t ...	This entry describes the GAIN subdomain A primarily found in adhesion G protein-coupled receptors L2-4 (AGRL2-4). It is also found in Latrophilin/CIRL, CELR1, AGRB1-3 and related G-protein -coupled receptors (GPCR). The GAIN domain consists of an N-terminal HormR-like domain (IPR053984), followed by the GAIN domain which consists of a stalk (consisting of subdomains A and B) and a GPS motif (IPR000203), followed by a C-terminal transmembrane region (IPR000832) [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D	sAB Heavy Chain	-	-	-
C	sAB Light Chain	-	-	-
B	Isoform 4 of Adhesion G protein-coupled receptor L3	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding molecular transducer activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity molecular condensate scaffold activity protein-macromolecule adaptor activity molecular adaptor activity cell adhesion molecule binding cation binding ion binding binding calcium ion binding metal ion binding small molecule binding molecular transducer activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity molecular condensate scaffold activity protein-macromolecule adaptor activity molecular adaptor activity cell adhesion molecule binding protein binding cell adhesion mediator activity carbohydrate binding	developmental process multicellular organismal process nervous system development excitatory synapse assembly cellular component organization cellular component biogenesis multicellular organism development cell junction organization cellular component assembly cell junction assembly anatomical structure development cellular process synapse organization cellular component organization or biogenesis developmental process multicellular organismal process nervous system development excitatory synapse assembly cellular component organization cellular component biogenesis multicellular organism development cell junction organization cellular component assembly cell junction assembly anatomical structure development cellular process synapse organization cellular component organization or biogenesis synapse assembly system development cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation adenylate cyclase-activating G protein-coupled receptor signaling pathway cell communication adenylate cyclase-modulating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway signal transduction cell surface receptor signaling pathway Rho-activating G protein-coupled receptor signaling pathway neuron migration cellular developmental process generation of neurons neurogenesis cell differentiation cell migration cell motility	cellular anatomical structure membrane cell-cell junction anchoring junction cell junction cell periphery plasma membrane synapse glutamatergic synapse axon cell projection neuron projection plasma membrane bounded cell projection
A	Isoform 4 of Adhesion G protein-coupled receptor L3	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding molecular transducer activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity molecular condensate scaffold activity protein-macromolecule adaptor activity molecular adaptor activity cell adhesion molecule binding cation binding ion binding binding calcium ion binding metal ion binding small molecule binding molecular transducer activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity molecular condensate scaffold activity protein-macromolecule adaptor activity molecular adaptor activity cell adhesion molecule binding protein binding cell adhesion mediator activity carbohydrate binding	developmental process multicellular organismal process nervous system development excitatory synapse assembly cellular component organization cellular component biogenesis multicellular organism development cell junction organization cellular component assembly cell junction assembly anatomical structure development cellular process synapse organization cellular component organization or biogenesis developmental process multicellular organismal process nervous system development excitatory synapse assembly cellular component organization cellular component biogenesis multicellular organism development cell junction organization cellular component assembly cell junction assembly anatomical structure development cellular process synapse organization cellular component organization or biogenesis synapse assembly system development cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation adenylate cyclase-activating G protein-coupled receptor signaling pathway cell communication adenylate cyclase-modulating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway signal transduction cell surface receptor signaling pathway Rho-activating G protein-coupled receptor signaling pathway neuron migration cellular developmental process generation of neurons neurogenesis cell differentiation cell migration cell motility	cellular anatomical structure membrane cell-cell junction anchoring junction cell junction cell periphery plasma membrane synapse glutamatergic synapse axon cell projection neuron projection plasma membrane bounded cell projection

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR017983	GPCR, family 2, secretin-like, conserved site	Conserved Site
B	IPR036445	GPCR family 2, extracellular hormone receptor domain superfamily	Homologous Superfamily
B	IPR000832	GPCR, family 2, secretin-like	Family
B	IPR043159	D-galactoside/L-rhamnose binding SUEL lectin domain superfamily	Homologous Superfamily
B	IPR000203	GPS motif	Conserved Site
B	IPR003112	Olfactomedin-like domain	Domain
B	IPR017981	GPCR, family 2-like, 7TM	Domain
B	IPR003924	GPCR, family 2, latrophilin	Family
B	IPR001879	GPCR, family 2, extracellular hormone receptor domain	Domain
B	IPR003334	GPCR, family 2, latrophilin, C-terminal	Domain
B	IPR032471	AGRL2-4 , GAIN subdomain A	Domain
B	IPR000922	D-galactoside/L-rhamnose binding SUEL lectin domain	Domain
B	IPR046338	GAIN domain superfamily	Homologous Superfamily
B	IPR057244	GAIN, subdomain B	Domain
A	IPR017983	GPCR, family 2, secretin-like, conserved site	Conserved Site
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	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	IPR032471	AGRL2-4 , GAIN subdomain A	Domain
A	IPR000922	D-galactoside/L-rhamnose binding SUEL lectin domain	Domain
A	IPR046338	GAIN domain superfamily	Homologous Superfamily
A	IPR057244	GAIN, subdomain B	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B	Pharos: Q9HAR2	attention deficit hyperactivity disorder, inattentive type sinusitis adenoma Attention Deficit Disorder atypical teratoid rhabdoid tumor glioblastoma large cell medulloblastoma pituitary cancer adrenal cortex adenoma breast cancer heart disease lung adenocarcinoma myocardial infarction psoriasis atopic eczema attention deficit hyperactivity disorder, inattentive type sinusitis adenoma Attention Deficit Disorder atypical teratoid rhabdoid tumor glioblastoma large cell medulloblastoma pituitary cancer adrenal cortex adenoma breast cancer heart disease lung adenocarcinoma myocardial infarction psoriasis atopic eczema ductal breast carcinoma in situ invasive ductal breast carcinoma medulloblastoma non-small cell lung carcinoma
A	Pharos: Q9HAR2	attention deficit hyperactivity disorder, inattentive type sinusitis adenoma Attention Deficit Disorder atypical teratoid rhabdoid tumor glioblastoma large cell medulloblastoma pituitary cancer adrenal cortex adenoma breast cancer heart disease lung adenocarcinoma myocardial infarction psoriasis atopic eczema attention deficit hyperactivity disorder, inattentive type sinusitis adenoma Attention Deficit Disorder atypical teratoid rhabdoid tumor glioblastoma large cell medulloblastoma pituitary cancer adrenal cortex adenoma breast cancer heart disease lung adenocarcinoma myocardial infarction psoriasis atopic eczema ductal breast carcinoma in situ invasive ductal breast carcinoma medulloblastoma non-small cell lung carcinoma