Gene Information
Gene NameIMP4
OrganismHomo sapiens (Human)
Gene Length592
Protein NamesSignal peptide peptidase-like 2B (SPP-like 2B) (SPPL2b) (EC 3.4.23.-) (Intramembrane protease 4) (IMP-4) (Presenilin homologous protein 4) (PSH4) (Presenilin-like protein 1)
Target NameNA
Target TypeNA
Gene Age>4290 ( ENSG00000136718 )
Evolutionary StageEukaryota
AlphaFoldDBQ8TCT7
Gene CardSPPL2B
Uniprot IDQ8TCT7
PfamPF02225; PF04258
In ASDno
Allosteric Predictionno (-1.55173649)
Ortholog in AnimalsAlpaca_ IMP4 ( ortholog_one2one )
GuineaPig_ IMP4 ( ortholog_one2one )
Macaque_ IMP4 ( ortholog_one2one )
Mouse_ Imp4 ( ortholog_one2one )
Pig_ IMP4 ( ortholog_one2one )
Rat_ Imp4 ( ortholog_one2one )
Rabbit_ IMP4 ( ortholog_one2one )
OhnologsNA
ParalogsRPF1
TissueNA
Tissue SpecificityExpressed predominantly in adrenal cortex and mammary gland. {ECO:0000269|PubMed:15385547}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs10402284 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:16829952};
Multi-pass membrane protein {ECO:0000305}. Golgi apparatus membrane {ECO:0000269|PubMed:17965014};
Multi-pass membrane protein {ECO:0000305}. Lysosome membrane {ECO:0000269|PubMed:15998642};
Multi-pass membrane protein {ECO:0000305}. Endosome membrane {ECO:0000269|PubMed:15998642};
Multi-pass membrane protein {ECO:0000305}. Membrane {ECO:0000269|PubMed:15385547};
Multi-pass membrane protein {ECO:0000305};
Lumenal side {ECO:0000269|PubMed:15385547}. Note=targeted through the entire secretory pathway to endosomes/lysosomes (PubMed:15998642). {ECO:0000269|PubMed:15998642}.
Mouse PG classificationNA
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