Ca+2-binding protein 4 (CaBP4)

Function

• role in normal synaptic function via regulation of Ca+2 influx & neurotransmitter release in photoreceptor synaptic terminals (putative)
• modulates CACNA1F, shifting the activation range to more hyperpolarized voltages (putative) Presynapses from both types of photoreceptors: rod spherules & cone pedicles

Alternative splicing

named isoforms=2

More general terms

• Ca+2 binding protein

Database

• UniProt: http://www.uniprot.org/uniprot/P57796.html