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Function

Stimulates two retinal guanylyl cyclases (GCs) GUCY2D and GUCY2F when free calcium ions concentration is low, and inhibits GUCY2D and GUCY2F when free calcium ions concentration is elevated (By similarity). This Ca(2+)-sensitive regulation of GCs is a key event in recovery of the dark state of rod photoreceptors following light exposure (By similarity). May be involved in cone photoreceptor response and recovery of response in bright light (By similarity).

Involvement in disease

Retinitis pigmentosa 48

RP48

A retinal dystrophy belonging to the group of pigmentary retinopathies. Retinitis pigmentosa is characterized by retinal pigment deposits visible on fundus examination and primary loss of rod photoreceptor cells followed by secondary loss of cone photoreceptors. Patients typically have night vision blindness and loss of midperipheral visual field. As their condition progresses, they lose their far peripheral visual field and eventually central vision as well.

None

The disease is caused by variants affecting the gene represented in this entry.

Post-translational modifications

The N-terminus is blocked.

Tissue specificity

In the retina, it is expressed in cone and rod photoreceptor cells.

Cellular localization

  • Cell membrane
  • Lipid-anchor
  • Photoreceptor inner segment
  • Cell projection
  • Cilium
  • Photoreceptor outer segment
  • Subcellular location is not affected by light or dark conditions.

Alternative names

GCAP2, GUCA1B, Guanylyl cyclase-activating protein 2, GCAP 2, Guanylate cyclase activator 1B

Target type

Proteins

Molecular weight

23420Da

We found 2 products in 1 category

Primary Antibodies

Target

Application

Reactive species

Search our catalogue for 'GUCA1B' (2)

Products

ab184958

Anti-GCAP2 antibody [EPR14571]

Recombinant
RabMAb