6ME2

XFEL crystal structure of human melatonin receptor MT1 in complex with ramelteon

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Class A (rhodopsin) G protein-coupled receptor-like	8091253	4001858	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	G protein-coupled receptor-like	8091254	3000473	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Type B glycosyltransferase-like	8038006	3001586	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)
A	7tm_1_3	e6me2A1	A: alpha bundles	X: Family A G protein-coupled receptor-like (From Topology)	H: Family A G protein-coupled receptor-like (From Topology)	T: Family A G protein-coupled receptor-like	F: 7tm_1_3	ECOD (1.6)
A	Glycos_transf_1	e6me2A2	A: a/b three-layered sandwiches	X: UDP-Glycosyltransferase/glycogen phosphorylase (From Topology)	H: UDP-Glycosyltransferase/glycogen phosphorylase (From Topology)	T: UDP-Glycosyltransferase/glycogen phosphorylase	F: Glycos_transf_1	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13692	Glycosyl transferases group 1 (Glyco_trans_1_4)	Glycosyl transferases group 1	-	Domain
A	PF00001	7 transmembrane receptor (rhodopsin family) (7tm_1)	7 transmembrane receptor (rhodopsin family)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	chimera protein of Melatonin receptor type 1A and GlgA glycogen synthase	UDP-glycosyltransferase activity alpha-1,4-glucan glucosyltransferase (NDP-glucose donor) activity glycosyltransferase activity alpha-1,4-glucan glucosyltransferase (UDP-glucose donor) activity transferase activity glucosyltransferase activity hexosyltransferase activity catalytic activity UDP-glucosyltransferase activity molecular transducer activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity melatonin receptor activity UDP-glycosyltransferase activity alpha-1,4-glucan glucosyltransferase (NDP-glucose donor) activity glycosyltransferase activity alpha-1,4-glucan glucosyltransferase (UDP-glucose donor) activity transferase activity glucosyltransferase activity hexosyltransferase activity catalytic activity UDP-glucosyltransferase activity molecular transducer activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity melatonin receptor activity binding hormone binding organic cyclic compound binding	rhythmic process circadian rhythm behavior multicellular organismal process reproductive process multicellular organismal reproductive process reproductive behavior mating behavior cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation rhythmic process circadian rhythm behavior multicellular organismal process reproductive process multicellular organismal reproductive process reproductive behavior mating behavior cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation cell communication adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway adenylate cyclase-modulating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway cellular process signal transduction G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger	protein-containing complex receptor complex cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR011835	Bacterial/plant glycogen synthase	Family
A	IPR013534	Starch synthase, catalytic domain	Domain
A	IPR000276	G protein-coupled receptor, rhodopsin-like	Family
A	IPR002278	Melatonin receptor 1A/1B	Family
A	IPR000025	Melatonin receptor family	Family
A	IPR017452	GPCR, rhodopsin-like, 7TM	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P48039	retinal disease autism spectrum disorder Initial insomnia psoriasis major depressive disorder schizophrenia

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Transmembrane	Alpha-helical polytopic	Rhodopsin-like receptors and pumps	G-protein coupled receptors, family A

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	G Protein-Coupled Receptors: Class A	MT₁ melatonin receptor with bound ramelteon

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.