Gene Information
Gene NameHCRTR1
OrganismHomo sapiens (Human)
Gene Length425
Protein NamesOrexin/Hypocretin receptor type 1 (Hypocretin receptor type 1) (Orexin receptor type 1) (Ox-1-R) (Ox1-R) (Ox1R)
Target Nameorexin receptor type 1
Target TypeClinical trial target
Gene Age244 ( ENSG00000121764 )
Evolutionary StageEumetazoa
AlphaFoldDBO43613
Gene CardHCRTR1
Uniprot IDO43613
PfamPF00001
In ASDno
Allosteric Predictionyes (1.09849675)
Ortholog in AnimalsAlpaca_ HCRTR1 ( ortholog_one2one )
Dog_ HCRTR1 ( ortholog_one2one )
GuineaPig_ HCRTR1 ( ortholog_one2one )
Macaque_ HCRTR1 ( ortholog_one2one )
Mouse_ Hcrtr1 ( ortholog_one2one )
Pig_ HCRTR1 ( ortholog_one2one )
Rat_ Hcrtr1 ( ortholog_one2one )
Rabbit_ HCRTR1 ( ortholog_one2one )
OhnologsNPFFR2, HCRTR2
ParalogsHCRTR2, NPFFR1, NPFFR2, CCKBR, CCKAR, OXTR, AVPR2, AVPR1B, AVPR1A, GNRHR, GALR3, GPR22, GPR150, FFAR4, GALR1, QRFPR
TissueNA
Tissue SpecificityNA
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 4ZJ8  (X-ray  2.75A  4ZJC  (X-ray  2.83A  6TO7  (X-ray  2.26A  6TOD  (X-ray  2.11A  6TOS  (X-ray  2.13A  6TOT  (X-ray  2.22A  6TP3  (X-ray  3.04A  6TP4  (X-ray  3.01A  6TP6  (X-ray  2.34A  6TQ4  (X-ray  2.30A  6TQ6  (X-ray  2.55A  6TQ7  (X-ray  2.66A  6TQ9  (X-ray  2.65A  6V9S  (X-ray  3.50A 
DBSNP rs144603792  rs7516785  rs41439244  rs2271933 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:26950369, ECO:0000269|PubMed:9491897};
Multi-pass membrane protein {ECO:0000269|PubMed:26950369}.
Mouse PG classificationNA
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