2E4U | pdb_00002e4u

Crystal structure of the extracellular region of the group II metabotropic glutamate receptor complexed with L-glutamate

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	TNF receptor-like	8091095	3000971	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Type 1 solute binding protein-like	8078797	3000125	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Type 1 solute binding protein-like	8078797	3000125	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	TNF receptor-like	8091095	3000971	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e2e4uB1	A: amino-terminal domain of OmpATb	X: amino-terminal domain of OmpATb	H: amino-terminal domain of OmpATb	T: BON	F:	ECOD (20:10:01)
A		e2e4uA1	A: amino-terminal domain of OmpATb	X: amino-terminal domain of OmpATb	H: amino-terminal domain of OmpATb	T: BON	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
B	2.10.50.30	Mainly Beta	Ribbon	Tumor Necrosis Factor Receptor, subunit A	domain 2	CATH (4.3.0)
A	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
A	2.10.50.30	Mainly Beta	Ribbon	Tumor Necrosis Factor Receptor, subunit A	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01094	Receptor family ligand binding region (ANF_receptor)	Receptor family ligand binding region	This family includes extracellular ligand binding domains of a wide range of receptors. This family also includes the bacterial amino acid binding proteins of known structure.	Domain
A, B	PF07562	Nine Cysteines Domain of family 3 GPCR (NCD3G)	Nine Cysteines Domain of family 3 GPCR	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Metabotropic glutamate receptor 3	scaffold protein binding protein binding binding channel regulator activity ion channel regulator activity calcium channel regulator activity molecular function regulator activity transporter regulator activity group II metabotropic glutamate receptor activity glutamate receptor activity G protein-coupled glutamate receptor activity molecular transducer activity adenylate cyclase inhibiting G protein-coupled glutamate receptor activity G protein-coupled receptor activity scaffold protein binding protein binding binding channel regulator activity ion channel regulator activity calcium channel regulator activity molecular function regulator activity transporter regulator activity group II metabotropic glutamate receptor activity glutamate receptor activity G protein-coupled glutamate receptor activity molecular transducer activity adenylate cyclase inhibiting G protein-coupled glutamate receptor activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity	cellular response to stimulus cellular response to stress response to stimulus response to stress cellular process trans-synaptic signaling regulation of biological process regulation of signaling regulation of cellular process modulation of chemical synaptic transmission signaling biological regulation cell-cell signaling chemical synaptic transmission cellular response to stimulus cellular response to stress response to stimulus response to stress cellular process trans-synaptic signaling regulation of biological process regulation of signaling regulation of cellular process modulation of chemical synaptic transmission signaling biological regulation cell-cell signaling chemical synaptic transmission cell communication synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of cell communication postsynaptic modulation of chemical synaptic transmission biosynthetic process metabolic process macromolecule metabolic process gene expression macromolecule biosynthetic process adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway adenylate cyclase-modulating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway signal transduction cell surface receptor signaling pathway glutamate receptor signaling pathway G protein-coupled glutamate receptor signaling pathway synaptic transmission, glutamatergic regulation of synaptic transmission, glutamatergic multicellular organismal process system process sensory perception nervous system process sensory perception of pain	cell periphery postsynapse cellular anatomical structure postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region synaptic membrane glial cell projection cell projection plasma membrane bounded cell projection astrocyte projection cell periphery postsynapse cellular anatomical structure postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region synaptic membrane glial cell projection cell projection plasma membrane bounded cell projection astrocyte projection presynapse presynaptic membrane glutamatergic synapse neuron projection neuron spine dendritic spine somatodendritic compartment dendrite dendritic tree postsynaptic density neuron to neuron synapse postsynaptic specialization organelle asymmetric synapse axon

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR017978	GPCR family 3, C-terminal	Domain
A, B	IPR017979	GPCR, family 3, conserved site	Conserved Site
A, B	IPR000337	GPCR, family 3	Family
A, B	IPR038550	GPCR, family 3, nine cysteines domain superfamily	Homologous Superfamily
A, B	IPR001234	GPCR, family 3, metabotropic glutamate receptor 3	Family
A, B	IPR011500	GPCR, family 3, nine cysteines domain	Domain
A, B	IPR028082	Periplasmic binding protein-like I	Homologous Superfamily
A, B	IPR000162	GPCR, family 3, metabotropic glutamate receptor	Family
A, B	IPR001828	Receptor, ligand binding region	Domain
A, B	IPR050726	Metabotropic Glutamate Receptor	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.