Gene Information
Gene NamePPOX
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 Nameprotoporphyrinogen oxidase
Target TypeSuccessful target
Gene Age1488 ( ENSG00000143224 )
Evolutionary StageEuk+Bac
AlphaFoldDBO43612
Gene CardHCRT
Uniprot IDO43612
PfamPF02072
In ASDno
Allosteric Predictionyes (0.353771709)
Ortholog in AnimalsAlpaca_ PPOX ( ortholog_one2one )
Dog_ PPOX ( ortholog_one2one )
GuineaPig_ PPOX ( ortholog_one2one )
Macaque_ PPOX ( ortholog_one2one )
Mouse_ Ppox ( ortholog_one2one )
Pig_ PPOX ( ortholog_one2one )
Rat_ Ppox ( ortholog_one2one )
Rabbit_ PPOX ( ortholog_one2one )
OhnologsNA
ParalogsKDM1A, MAOA, SMOX, KDM1B, PAOX, MAOB, IL4I1
TissueNA
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
click here to return to the previous page