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Chemical structure of Gap19

GC17681

Gap19

Also known as (2S)-6-amino-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-6-amino-2-[[(2S,3S)-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-5-amino-2-[[(2S)-2,6-diaminohexanoyl]amino]-5-oxopentanoyl]amino]-3-methylpentanoyl]amino]-4-carboxybutanoyl]amino]-3-methylpentanoyl]amino]hexanoyl]amino]hexanoyl]amino]-3-phenylpropanoyl]amino]hexanoic acid

Gap19 (KQIEIKKFK) blocks HCs but not GJCs and is specific for Cx43

ChemicalCAS1507930-57-5MW1161.45FormulaC55H96N14O13
CAS number
1507930-57-5
Molecular weight
1161.45
Formula
C55H96N14O13
Solubility
≥ 58·0725mg/mL in Water
InChIKey
IEAKEKFIXUZWEH-PKMKMBMKSA-N
Catalogue number
GC17681
Brand
GLPBIO
Computed properties PubChem CID 91691126 · XLogP -5.7 · TPSA 481 Ų · H-bond donors 16
XLogP
-5.7
TPSA
481 Ų
H-bond donors
16
H-bond acceptors
18
Rotatable bonds
45
Heavy atoms
82

SMILES CC[C@H](C)[C@@H](C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CCCCN)C(=O)O)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CCCCN)N

Computed descriptors from PubChem (CID 91691126), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.