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melatonin receptor type 1B; mel1b melatonin receptor; mel-1B-R (MTNR1B)
Function:
- high affinity receptor for melatonin
- likely to mediate reproductive & circadian actions of melatonin
- activity is mediated by pertussis toxin sensitive Gi proteins
Structure: belongs to the G-protein coupled receptor 1 family
Compartment: cell membrane
Expression:
- expressed in retina > brain & hippocampus
Related
melatonin
General
glycoprotein
melatonin receptor
Properties
SIZE: entity length = 362 aa
MW = 40 kD
COMPARTMENT: cellular membrane
MOTIF: exoplasmic domain {1-42}
MOTIF: N-glycosylation site {N4}
transmembrane domain {43-63}
cytoplasmic loop {64-76}
transmembrane domain {77-97}
exoplasmic loop {98-115}
MOTIF: cysteine residue {C113}
MODIFICATION: cysteine residue {C190}
transmembrane domain {116-136}
cytoplasmic loop {137-155}
transmembrane domain {156-176}
exoplasmic loop {177-200}
MOTIF: cysteine residue {C190}
MODIFICATION: cysteine residue {C113}
transmembrane domain {201-221}
cytoplasmic loop {222-253}
transmembrane domain {254-274}
exoplasmic loop {275-287}
transmembrane domain {288-308}
cytoplasmic domain {309-362}
Database Correlations
OMIM 600804
UniProt P49286
Pfam PF00001
Entrez Gene 4544
Kegg hsa:4544
References
- UniProt :accession P49286
- Wikipedia; melatonin receptor entry
http://en.wikipedia.org/wiki/melatonin_receptor