Gene Information
Gene NameHCRT
OrganismHomo sapiens (Human)
Gene Length131
Protein NamesHypocretin neuropeptide precursor (Hypocretin) (Hcrt) (Orexin precursor) (Prepro-orexin) (Preprohypocretin) [Cleaved into: Orexin-A (Hypocretin-1) (Hcrt1); Orexin-B (Hypocretin-2) (Hcrt2)]
Target Nameorexin
Target TypeNA
Gene Age1064 ( ENSG00000161610 )
Evolutionary StageVertebrata
AlphaFoldDBO43612
Gene CardHCRT
Uniprot IDO43612
PfamPF02072
In ASDno
Allosteric Predictionno (-0.406955426)
Ortholog in AnimalsAlpaca_ HCRT ( ortholog_one2one )
Dog_ HCRT ( ortholog_one2one )
GuineaPig_ HCRT ( ortholog_one2one )
Macaque_ HCRT ( ortholog_one2one )
Mouse_ Hcrt ( ortholog_one2one )
Pig_ HCRT ( ortholog_one2one )
Rat_ Hcrt ( ortholog_one2one )
Rabbit_ HCRT ( ortholog_one2one )
OhnologsNA
ParalogsNA
Tissuehypothalamus
Tissue SpecificityAbundantly expressed in subthalamic nucleus but undetectable in other brain regions tested (hypothalamus was not tested) and in heart, placenta, lung, liver, skeletal muscle, kidney and pancreas. {ECO:0000269|PubMed:9491897}.
Pharmacological Animal ModelsNULL(Chimpanzee);NULL(Mouse);0.001000(Rat);0.066667(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 1CQ0  (NMR  1R02  (NMR  1UVQ  (X-ray  1.80A  1WSO  (NMR  7L1U  (EM  3.20A 
DBSNP rs104894574 
Subcellular location [CC]Rough endoplasmic reticulum {ECO:0000250|UniProtKB:O55232}. Cytoplasmic vesicle {ECO:0000250|UniProtKB:O55232}. Synapse {ECO:0000250|UniProtKB:O55232}. Note=Associated with perikaryal rough endoplasmic reticulum as well as cytoplasmic large granular vesicles at synapses. {ECO:0000250|UniProtKB:O55232}.
Mouse PG classificationLPG
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