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Identification
HMDB Protein ID HMDBP02643
Secondary Accession Numbers
  • 8143
Name Mu-type opioid receptor
Synonyms
  1. M-OR-1
  2. MOP
  3. MOR-1
  4. Mu opiate receptor
  5. Mu opioid receptor
  6. hMOP
Gene Name OPRM1
Protein Type Unknown
Biological Properties
General Function Involved in G-protein coupled receptor protein signaling pathway
Specific Function Inhibits neurotransmitter release by reducing calcium ion currents and increasing potassium ion conductance. Receptor for beta-endorphin
Pathways
  • 3-Methylthiofentanyl Action Pathway
  • Alfentanil Action Pathway
  • Alvimopan Action Pathway
  • Anileridine Action Pathway
  • Benzocaine Action Pathway
  • Bupivacaine Action Pathway
  • Buprenorphine Action Pathway
  • Carfentanil Action Pathway
  • Chloroprocaine Action Pathway
  • Citalopram Action Pathway
  • Cocaine Action Pathway
  • Codeine Action Pathway
  • Codeine Metabolism Pathway
  • Desipramine Action Pathway
  • Dezocine Action Pathway
  • Dibucaine Action Pathway
  • Dihydromorphine Action Pathway
  • Dimethylthiambutene Action Pathway
  • Diphenoxylate Action Pathway
  • Escitalopram Action Pathway
  • Ethylmorphine Action Pathway
  • Fentanyl Action Pathway
  • Fluoxetine Action Pathway
  • Heroin Action Pathway
  • Heroin Metabolism Pathway
  • Hydrocodone Action Pathway
  • Hydromorphone Action Pathway
  • Imipramine Action Pathway
  • Ketobemidone Action Pathway
  • Levallorphan Action Pathway
  • Levobupivacaine Action Pathway
  • Levomethadyl Acetate Action Action Pathway
  • Levorphanol Action Pathway
  • Lidocaine (Local Anaesthetic) Action Pathway
  • Mepivacaine Action Pathway
  • Methadone Action Pathway
  • Methadone Metabolism Pathway
  • Methadyl Acetate Action Pathway
  • Morphine Action Pathway
  • Morphine Metabolism Pathway
  • Nalbuphine Action Pathway
  • Naloxone Action Pathway
  • Naltrexone Action Pathway
  • Nicotine Action Pathway
  • Oxybuprocaine Action Pathway
  • Oxycodone Action Pathway
  • Oxymorphone Action Pathway
  • Pentazocine Action Pathway
  • Prilocaine Action Pathway
  • Procaine Action Pathway
  • Proparacaine Action Pathway
  • Propoxyphene Action Pathway
  • Remifentanil Action Pathway
  • Ropivacaine Action Pathway
  • Sufentanil Action Pathway
  • Tramadol Action Action Pathway
Reactions Not Available
GO Classification
Component
cell part
membrane part
intrinsic to membrane
integral to membrane
Function
mu-opioid receptor activity
receptor activity
molecular transducer activity
signal transducer activity
peptide receptor activity
peptide receptor activity, g-protein coupled
opioid receptor activity
Process
signaling
signaling pathway
cell surface receptor linked signaling pathway
g-protein coupled receptor protein signaling pathway
Cellular Location
  1. Cell membrane
  2. Multi-pass membrane protein
Gene Properties
Chromosome Location Chromosome:6
Locus 6q24-q25
SNPs OPRM1
Gene Sequence
>1203 bp
ATGGACAGCAGCGCTGCCCCCACGAACGCCAGCAATTGCACTGATGCCTTGGCGTACTCA
AGTTGCTCCCCAGCACCCAGCCCCGGTTCCTGGGTCAACTTGTCCCACTTAGATGGCAAC
CTGTCCGACCCATGCGGTCCGAACCGCACCGACCTGGGCGGGAGAGACAGCCTGTGCCCT
CCGACCGGCAGTCCCTCCATGATCACGGCCATCACGATCATGGCCCTCTACTCCATCGTG
TGCGTGGTGGGGCTCTTCGGAAACTTCCTGGTCATGTATGTGATTGTCAGATACACCAAG
ATGAAGACTGCCACCAACATCTACATTTTCAACCTTGCTCTGGCAGATGCCTTAGCCACC
AGTACCCTGCCCTTCCAGAGTGTGAATTACCTAATGGGAACATGGCCATTTGGAACCATC
CTTTGCAAGATAGTGATCTCCATAGATTACTATAACATGTTCACCAGCATATTCACCCTC
TGCACCATGAGTGTTGATCGATACATTGCAGTCTGCCACCCTGTCAAGGCCTTAGATTTC
CGTACTCCCCGAAATGCCAAAATTATCAATGTCTGCAACTGGATCCTCTCTTCAGCCATT
GGTCTTCCTGTAATGTTCATGGCTACAACAAAATACAGGCAAGGTTCCATAGATTGTACA
CTAACATTCTCTCATCCAACCTGGTACTGGGAAAACCTGCTGAAGATCTGTGTTTTCATC
TTCGCCTTCATTATGCCAGTGCTCATCATTACCGTGTGCTATGGACTGATGATCTTGCGC
CTCAAGAGTGTCCGCATGCTCTCTGGCTCCAAAGAAAAGGACAGGAATCTTCGAAGGATC
ACCAGGATGGTGCTGGTGGTGGTGGCTGTGTTCATCGTCTGCTGGACTCCCATTCACATT
TACGTCATCATTAAAGCCTTGGTTACAATCCCAGAAACTACGTTCCAGACTGTTTCTTGG
CACTTCTGCATTGCTCTAGGTTACACAAACAGCTGCCTCAACCCAGTCCTTTATGCATTT
CTGGATGAAAACTTCAAACGATGCTTCAGAGAGTTCTGTATCCCAACCTCTTCCAACATT
GAGCAACAAAACTCCACTCGAATTCGTCAGAACACTAGAGACCACCCCTCCACGGCCAAT
ACAGTGGATAGAACTAATCATCAGCTAGAAAATCTGGAAGCAGAAACTGCTCCGTTGCCC
TAA
Protein Properties
Number of Residues 400
Molecular Weight 44778.9
Theoretical pI 8.29
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • 67-96
  • 106-123
  • 146-165
  • 196-211
  • 237-259
  • 283-305
  • 314-330
Protein Sequence
>Mu-type opioid receptor
MDSSAAPTNASNCTDALAYSSCSPAPSPGSWVNLSHLDGNLSDPCGPNRTDLGGRDSLCP
PTGSPSMITAITIMALYSIVCVVGLFGNFLVMYVIVRYTKMKTATNIYIFNLALADALAT
STLPFQSVNYLMGTWPFGTILCKIVISIDYYNMFTSIFTLCTMSVDRYIAVCHPVKALDF
RTPRNAKIINVCNWILSSAIGLPVMFMATTKYRQGSIDCTLTFSHPTWYWENLLKICVFI
FAFIMPVLIITVCYGLMILRLKSVRMLSGSKEKDRNLRRITRMVLVVVAVFIVCWTPIHI
YVIIKALVTIPETTFQTVSWHFCIALGYTNSCLNPVLYAFLDENFKRCFREFCIPTSSNI
EQQNSTRIRQNTRDHPSTANTVDRTNHQLENLEAETAPLP
GenBank ID Protein 117940060
UniProtKB/Swiss-Prot ID P35372
UniProtKB/Swiss-Prot Entry Name OPRM_HUMAN
PDB IDs Not Available
GenBank Gene ID NM_000914.3
GeneCard ID OPRM1
GenAtlas ID OPRM1
HGNC ID HGNC:8156
References
General References
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  5. Bare LA, Mansson E, Yang D: Expression of two variants of the human mu opioid receptor mRNA in SK-N-SH cells and human brain. FEBS Lett. 1994 Nov 7;354(2):213-6. [PubMed:7957926 ]
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