Product Name :
Somatostatin 14 peptide
Sequence Shortening :
KNFFWKTFTSC
Sequence :
H-Lys-Asn-Phe-Phe-Trp-Lys-Thr-Phe-Thr-Ser-Cys-OH
Length (aa) :
11
Peptide Purity (HPLC) :
95%
Molecular Formula :
C68H93N15O16S
Molecular Weight :
1407.67
Source :
Synthetic
Form :
Powder
Description :
The source of Somatostatin 14 is Coturnix coturnix japonica. Somatostatin 14 belongs to Somastostatin.
Storage Guidelines :
Normally, this peptide will be delivered in lyophilized form and should be stored in a freezer at or below -20 °C. For more details, please refer to the manual:Handling and Storage of Synthetic Peptides
References :
Scholz B, Alm H, Mattsson A, Nilsson A, Kultima K, Savitski MM, Fälth M, Sköld K, Brunström B, Andren PE, Dencker L Neuropeptidomic analysis of the embryonic Japanese quail diencephalon BMC Dev Biol 2010 Mar 18;10:30
About TFA salt :
Trifluoroacetic acid (TFA) has a significant impact on peptides due to its role in the peptide synthesis process. TFA is essential for the protonation of peptides that lack basic amino acids such as Arginine (Arg), Histidine (His), and Lysine (Lys), or ones that have blocked N-termini. As a result, peptides often contain TFA salts in the final product. TFA residues, when present in custom peptides, can cause unpredictable fluctuations in experimental data. At a nanomolar (nM) level, TFA can influence cell experiments, hindering cell growth at low concentrations (as low as 10 nM) and promoting it at higher doses (0.5–7.0 mM). It can also serve as an allosteric regulator on the GlyR of glycine receptors, thereby increasing receptor activity at lower glycine concentrations. In an in vivo setting, TFA can trifluoroacetylate amino groups in proteins and phospholipids, inducing potentially unwanted antibody responses. Moreover, TFA can impact structure studies as it affects spectrum absorption.
Related websites: https://www.medchemexpress.com/peptides/Peptide_Protein.html
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