Gene Information
Gene NameCABP1
OrganismHomo sapiens (Human)
Gene Length370
Protein NamesCalcium-binding protein 1 (CaBP1) (Calbrain) (Caldendrin)
Target NameNA
Target TypeNA
Gene Age1714 ( ENSG00000157782 )
Evolutionary StageVertebrata
AlphaFoldDBQ9NZU7
Gene CardCABP1
Uniprot IDQ9NZU7
PfamPF13499
In ASDno
Allosteric Predictionno (-0.45599872)
Ortholog in AnimalsAlpaca_ CABP1 ( ortholog_one2one )
Dog_ CABP1 ( ortholog_one2one )
Macaque_ CABP1 ( ortholog_one2one )
Mouse_ Cabp1 ( ortholog_one2one )
Pig_ CABP1 ( ortholog_one2one )
Rat_ Cabp1 ( ortholog_one2one )
OhnologsCABP2, CABP4
ParalogsCABP2, EFCAB7, CALN1, EFCAB3, CABP7, CETN3, CALM1, CALML3, CALM3, CALM2, CALML5, CETN1, CALML6, CABP4, CALML4, CABP5, CETN2, EFCAB12, EFCAB2, EFCAB9
Tissuebrain, cerebral.cortex
Tissue SpecificityRetina and brain. Somatodendritic compartment of neurons. Calbrain was found exclusively in brain where it is abundant in the hippocampus, habenular area in the epithalamus and in the cerebellum.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2K7B  (NMR  2K7C  (NMR  2K7D  (NMR  2LAN  (NMR  2LAP  (NMR  3OX5  (X-ray  2.90A  3OX6  (X-ray  2.40A 
DBSNP NA 
Subcellular location [CC]Cytoplasm, cytoskeleton {ECO:0000269|PubMed:10625670}. Cytoplasm, perinuclear region {ECO:0000269|PubMed:14685260}. Cell membrane {ECO:0000269|PubMed:10625670, ECO:0000269|PubMed:14570872, ECO:0000269|PubMed:14685260};
Lipid-anchor;
Cytoplasmic side. Golgi apparatus {ECO:0000269|PubMed:14570872, ECO:0000269|PubMed:14685260}. Postsynaptic density {ECO:0000305}. Note=L-CaBP1 is associated most likely with the cytoskeletal structures, whereas S-CaBP1 is localized at or near the plasma membrane. {ECO:0000269|PubMed:10625670}.;
[Isoform L-CaBP1]: Cytoplasm, cytoskeleton {ECO:0000269|PubMed:10625670}. Note=L-CaBP1 is associated most likely with the cytoskeletal structures. {ECO:0000269|PubMed:10625670}.;
[Isoform S-CaBP1]: Cytoplasm, cell cortex. Cell membrane {ECO:0000305|PubMed:10625670};
Lipid-anchor {ECO:0000305}. Note=S-CaBP1 is localized at or near the plasma membrane.
Mouse PG classificationNA
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