GCAP1 Protein, Human, Recombinant (His & GST)

GCAP1 Protein, Human, Recombinant (His & GST) is expressed in Baculovirus insect cells with His and GST tag. The predicted molecular weight is 50.7 kDa and the accession number is P43080.

GCAP1 Protein, Human, Recombinant (His & GST)

パッケージサイズ	在庫状況	単価(税別)
100 μg	約5 days	￥ 161,000

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説明	GCAP1 Protein, Human, Recombinant (His & GST) is expressed in Baculovirus insect cells with His and GST tag. The predicted molecular weight is 50.7 kDa and the accession number is P43080.

Species	Human
Expression Host	Baculovirus Insect Cells
Tag	His, GST
Accession Number	P43080
別名	guanylate cyclase activator 1A (retina), CORD14, GCAP, C6orf131, GUCA, COD3, dJ139D8.6, GCAP1, GUCA1
Construction	The Human GUCA1A (P43080)( Met1-Gly201) was expressed the N-terminal polyhistidine-tagged GST tag at the N-terminus.
Protein Purity	> 95 % as determined by SDS-PAGE
分子量	50.7 kDa (predicted)

Endotoxin	< 1.0 EU/μg of the protein as determined by the LAL method.
Formulation	Lyophilized from a solution filtered through a 0.22 μm filter, containing 20 mM Tris, 500 mM NaCl, 10% glycerol, pH 7.4. Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
Reconstitution	A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
Stability & Storage	It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at-80℃. For reconstituted protein solutions, the solution can be stored at -20°c to -80'c for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
Shipping	In general, Lyophilized powders are shipping with blue ice.
Research Background	GCAP 1 gene plays a role in the recovery of retinal photoreceptors from photobleaching. In the recovery phase, the phototransduction messenger cGMP is replenished by retinal guanylyl cyclase-1 (GC1). GC1 is activated by decreasing Ca(2+) concentrations following photobleaching. The protein encoded by this gene, guanylyl cyclase-activating protein 1 (GCAP 1), mediates the sensitivity of GC1 to Ca(2+) concentrations. GCAP 1 promotes the activity of GC1 at low Ca(2+) concentrations and inhibits GC1 activity at high Ca(2+) concentrations. Mutations in GCAP 1 gene cause autosomal dominant cone dystrophy (COD3); a disease characterized by reduced visual acuity associated with progressive loss of color vision. GCAP 1 stimulates guanylyl cyclase 1 (GC1) when free calcium ions concentration is low and inhibits GC1 when free calcium ions concentration is elevated. This Ca(2+)-sensitive regulation of GC is a key event in the recovery of the dark state of rod photoreceptors following light exposure.

参考文献

1. Surguchov A,et al.(1997) The human GCAP1 and GCAP2 genes are arranged in a tail-to-tail array on the short arm of chromosome 6 (p21.1). Genomics. 39(3):312-22. 2. Subbaraya I,et al.(1995) Molecular characterization of human and mouse photoreceptor guanylate cyclase-activating protein (GCAP) and chromosomal localization of the human gene. J Biol Chem. 269(49):31080-9. 3. Payne AM,et al.(1998) A mutation in guanylate cyclase activator 1A (GCAP 1) in an autosomal dominant cone dystrophy pedigree mapping to a new locus on chromosome 6p21.1. Hum Mol Genet. 7(2):273-7.

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GCAP1 Protein, Human, Recombinant (His & GST)

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