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6ME8

XFEL crystal structure of human melatonin receptor MT2 (N86D) in complex with 2-phenylmelatonin

Functional Information from GO Data
ChainGOidnamespacecontents
A0004930molecular_functionG protein-coupled receptor activity
A0005506molecular_functioniron ion binding
A0007186biological_processG protein-coupled receptor signaling pathway
A0008502molecular_functionmelatonin receptor activity
A0009055molecular_functionelectron transfer activity
A0016020cellular_componentmembrane
A0020037molecular_functionheme binding
A0022900biological_processelectron transport chain
A0042597cellular_componentperiplasmic space
A0043448biological_processalkane catabolic process
A0046872molecular_functionmetal ion binding
B0004930molecular_functionG protein-coupled receptor activity
B0005506molecular_functioniron ion binding
B0007186biological_processG protein-coupled receptor signaling pathway
B0008502molecular_functionmelatonin receptor activity
B0009055molecular_functionelectron transfer activity
B0016020cellular_componentmembrane
B0020037molecular_functionheme binding
B0022900biological_processelectron transport chain
B0042597cellular_componentperiplasmic space
B0043448biological_processalkane catabolic process
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues13
Detailsbinding site for residue JEY A 2201
ChainResidue
AALA117
AASN268
ATYR294
AALA297
ATYR298
AMET120
AGLY121
AVAL124
AASN175
APHE192
AGLN194
ATYR200
ALEU267

site_idAC2
Number of Residues4
Detailsbinding site for residue ZN A 2202
ChainResidue
ACYS1005
ACYS1008
ACYS1038
ACYS1041

site_idAC3
Number of Residues13
Detailsbinding site for residue JEY B 2201
ChainResidue
BALA117
BMET120
BGLY121
BVAL124
BASN175
BPHE192
BGLN194
BTYR200
BLEU267
BASN268
BTYR294
BALA297
BTYR298

Functional Information from PROSITE/UniProt
site_idPS00202
Number of Residues11
DetailsRUBREDOXIN Rubredoxin signature. IpDDWvCPlCG
ChainResidueDetails
AILE1032-GLY1042

site_idPS00237
Number of Residues17
DetailsG_PROTEIN_RECEP_F1_1 G-protein coupled receptors family 1 signature. GSVwNITAIAIDRYLyI
ChainResidueDetails
AGLY126-ILE142

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00241","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"10216292","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsModified residue: {"description":"N-formylmethionine","evidences":[{"source":"PubMed","id":"1637309","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues44
DetailsRegion: {"description":"Disordered","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues26
DetailsCompositional bias: {"description":"Basic and acidic residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsBinding site: {"description":"axial binding residue"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=1","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues60
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=2","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues104
DetailsTopological domain: {"description":"Extracellular","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=3","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=4","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=5","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=6","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=7","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"31019305","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6ME6","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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