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PKA inhibitor fragment (6-22) amide

目录号 GP10075

PKA inhibitor

规格 价格 库存 购买数量
5mg
¥1,890.00
现货
10mg
¥3,150.00
现货

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Sample solution is provided at 25 µL, 10mM.

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产品描述

Ki: 1.6 nM

PKA inhibitor fragment (6-22) amide is a PKA inhibitor.

In cell biology, protein kinase A (PKA) is a family of enzymes whose activity is dependent on cellular levels of cyclic AMP (cAMP). PKA is also regarded as a cAMP-dependent protein kinase. PKA has various functions in the cell, such as regulation of sugar, glycogen, and lipid metabolism.

In vitro: Compared with (Ala)Kemptide, PKA inhibitor fragment (6-22) amide was found to have significant difference in inhibitory potency, likely due to the critical role of several of the nonarginine residues to this difference in potency. The minimal length analog of PKA inhibitor fragment (6-22) that inhibited CAMP-dependent protein kinase with high potency was the 17-residue PKI-(6-22)-amide. PKA inhibitor fragment (6-22) interacted at the peptide/protein binding portion of the active site in a competitive manner with a low nanomolar Ki value. To inhibit CAMP-dependent protein kinase, PKA inhibitor fragment (6-22) required both the pseudosubstrate site (residues 14-22) and additional NH2-terminal determinants within residues 6-13. PKA inhibitor fragment (6-22) could clear mimic protein and peptide substrates in interacting with the binding region of the active site particularly in the COOH-terminal pseudosubstrate basic domain. Undoubtedly, the overall affinity of PKA inhibitor fragment (6-22) was due to the number of hydrogen bonds as well as other bonding interactions with the active site of the CAMP-dependent protein kinase [1, 2].

References:
[1] Glass et al (1989) Primary structural determinants essential for potent inhibition of cAMP-dependent protein kinase by inhibitory peptides corresponding to the active portion of the heat-stable inhibitor protein.  J.Biol.Chem. 264 8802. PMID: 2722799.
[2] Glass et al (1989) Protein kinase inhibitor-(6-22)-amide peptide analogs with standard and nonstandard amino acid substitutions for phenylalanine 10.  J.Biol.Chem. 264 14579. PMID: 2760075.

Chemical Properties

Cas No. 121932-06-7 SDF
别名 Thr-Tyr-Ala-Asp-Phe-Ile-Ala-Ser-Gly-Arg-Thr-Gly-Arg-Arg-Asn-Ala-Ile
化学名 N/A
Canonical SMILES N/A
分子式 C80H130N28O24 分子量 1868.08
溶解度 ≥ 186.8mg/mL in DMSO 储存条件 Desiccate at -20°C
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping Condition Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request

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