Gene Information
Gene NameSMIM20
OrganismHomo sapiens (Human)
Gene Length67
Protein NamesSmall integral membrane protein 20 (Mitochondrial translation regulation assembly intermediate of cytochrome c oxidase protein of 7 kDa) (MITRAC7) [Cleaved into: Phoenixin-14 (PNX-14); Phoenixin-20 (PNX-20)]
Target NameNA
Target TypeNA
Gene Age168 ( ENSG00000250317 )
Evolutionary StageEumetazoa
AlphaFoldDBQ8N5G0
Gene CardSMIM20
Uniprot IDQ8N5G0
PfamPF15061
In ASDno
Allosteric Predictionno (-1.594749582)
Ortholog in AnimalsDog_ SMIM20 ( ortholog_one2one )
GuineaPig_ SMIM20 ( ortholog_one2one )
Mouse_ Smim20 ( ortholog_one2one )
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityExpressed in the ovary, specifically in granulosa cells of follicles that have passed the primary stage and in oocytes (at protein level). {ECO:0000269|PubMed:30933929}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs4521339  rs2305669  rs6448414  rs2305670 
Subcellular location [CC][Small integral membrane protein 20]: Mitochondrion inner membrane {ECO:0000269|PubMed:26321642};
Single-pass membrane protein {ECO:0000305}.;
[Phoenixin-14]: Secreted {ECO:0000250|UniProtKB:C0HLM6}.;
[Phoenixin-20]: Secreted {ECO:0000250|UniProtKB:C0HLM6}.
Mouse PG classificationNA
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