Gene Information
Gene NameSMO
OrganismHomo sapiens (Human)
Gene Length555
Protein NamesSpermine oxidase (EC 1.5.3.16) (Polyamine oxidase 1) (PAO-1) (PAOh1)
Target Namesmoothened homolog
Target TypeNA
Gene Age886 ( ENSG00000128602 )
Evolutionary StageEumetazoa
AlphaFoldDBQ9NWM0
Gene CardSMOX
Uniprot IDQ9NWM0
PfamPF01593
In ASDyes
Allosteric Predictionyes (0.874710174)
Ortholog in AnimalsAlpaca_ SMO ( ortholog_one2one )
Alpaca_ SMO ( ortholog_one2many )
Dog_ SMO ( ortholog_one2one )
GuineaPig_ SMO ( ortholog_one2one )
Macaque_ SMO ( ortholog_one2one )
Mouse_ Smo ( ortholog_one2one )
Pig_ SMO ( ortholog_one2one )
Rat_ Smo ( ortholog_one2one )
Rabbit_ SMO ( ortholog_one2one )
OhnologsNA
ParalogsSFRP5, SFRP1, FZD5, FZD2, FZD10, FZD9, SFRP4, FZD7, FRZB, FZD6, FZD8, FZD1, SFRP2, FZD4, FZD3
TissueNA
Tissue SpecificityWidely expressed. Expressed in human tumor cell lines. Isoform 4 is only found in an embryonal kidney cell line. {ECO:0000269|PubMed:18422650}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 7OXL  (X-ray  2.40A  7OY0  (X-ray  2.09A 
DBSNP rs6084654 
Subcellular location [CC][Isoform 1]: Cytoplasm. Nucleus.;
[Isoform 4]: Cytoplasm. Nucleus.;
[Isoform 6]: Cytoplasm. Nucleus.
Mouse PG classificationLPG
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