Gap19 trifluoroacetate salt
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MedKoo CAT#: 463786

CAS#: unknown

Description: Gap19 is a nonapeptide derivative of connexin43 (Cx43) and an inhibitor of Cx43 hemichannels. It suppresses the membrane charge transfer (Qm) in HeLa cells expressing Cx43, as well as Cx43 hemichannel currents in isolated guinea pig cardiomyocytes when used at a concentration of 100 µM. Gap19 inhibits glutamate-induced ATP release, a marker of Cx43 hemichannel activity, in primary mouse astrocytes. In vivo, Gap19 decreases cortical neuronal loss, infarct volume, and the number of errors in a foot fault test in a mouse model of cerebral ischemia and reperfusion injury induced by middle cerebral artery occlusion. It also reduces infarct size in a mouse model of myocardial ischemia and reperfusion injury induced by ligation of the left anterior descending (LAD) artery when administered at a dose of 25 mg/kg.


Chemical Structure

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Gap19 trifluoroacetate salt
CAS# unknown

Theoretical Analysis

MedKoo Cat#: 463786
Name: Gap19 trifluoroacetate salt
CAS#: unknown
Chemical Formula: C57H97F3N14O15
Exact Mass:
Molecular Weight: 1275.4812
Elemental Analysis: C, 53.68; H, 7.67; F, 4.47; N, 15.37; O, 18.82

Price and Availability

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1.0mg USD 360.0 2 Weeks
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Synonym: Gap19 trifluoroacetate salt; KQIEIKKFK;

IUPAC/Chemical Name: L-lysyl-L-glutaminyl-L-isoleucyl-L-glutamyl-L-isoleucyl-L-lysyl-L-lysyl-L-phenylalanyl-L-lysine compound with 2,2,2-trifluoroacetic acid (1:1)

InChi Key: UBIXVFFLYALTSN-TWIANDLUSA-N

InChi Code: InChI=1S/C55H96N14O13.C2HF3O2/c1-5-33(3)45(69-51(77)40(25-27-44(71)72)65-54(80)46(34(4)6-2)68-50(76)39(24-26-43(61)70)62-47(73)36(60)20-10-14-28-56)53(79)64-38(22-12-16-30-58)48(74)63-37(21-11-15-29-57)49(75)67-42(32-35-18-8-7-9-19-35)52(78)66-41(55(81)82)23-13-17-31-59;3-2(4,5)1(6)7/h7-9,18-19,33-34,36-42,45-46H,5-6,10-17,20-32,56-60H2,1-4H3,(H2,61,70)(H,62,73)(H,63,74)(H,64,79)(H,65,80)(H,66,78)(H,67,75)(H,68,76)(H,69,77)(H,71,72)(H,81,82);(H,6,7)/t33-,34-,36-,37-,38-,39-,40-,41-,42-,45-,46-;/m0./s1

SMILES Code: NCCCC[C@@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@@H](CC1=CC=CC=C1)C(N[C@@H](CCCCN)C(O)=O)=O)=O)CCCCN)=O)CCCCN)=O)[C@H](CC)C)=O)CCC(O)=O)=O)[C@H](CC)C)=O)CCC(N)=O)=O)N.OC(C(F)(F)F)=O

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 1275.4812 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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