Gap 26


CAS No. : 197250-15-0

197250-15-0
Price and Availability of CAS No. : 197250-15-0
Size Price Stock
1mg $70 In-stock
5mg $198 In-stock
10mg $308 In-stock
25mg $700 In-stock
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Cat. No. : HY-P1082
M.Wt: 1550.78
Formula: C70H107N19O19S
Purity: >98 %
Solubility: H2O : 50 mg/mL (ultrasonic)
Introduction of 197250-15-0 :

Gap 26 is a connexin mimetic peptide, composed of residue numbers 63-75 of the first extracellular loop of connexin 43 (gap junction blocker), containing the SHVR amino acid motif[1]. IC50 & Target:Gap Junction Protein[1] In Vitro: Gap 26 (0.25 mg/mL, 30 min) reduces the wave size in the three cell lines (RBE4, SV-ARBEC and ECV304). Gap 26 (0.25 mg/mL, 30 min) completely abolishes the InsP3-triggered ATP response and reduced the ATP release to below the control level, indicating that the basal ATP release is also affected[1].
Gap 26 does indeed significantly inhibit our InsP3-triggered intercellular calcium waves, but it did not have any effect on dye coupling through junctional channels as evidenced by the FRAP experiments, despite the fact that connexin 43 was present in the cell lines used[1].
Gap 26 (100-300 μM) dose-dependently reduces the rhythmic responses of rabbit superior mesenteric arteries, with IC50 of 28.4 ± 3.4 μM[2].

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