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Chemical structure of Parasin I

GC32348

Parasin I

Also known as (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[2-[[2-[[(2S)-5-amino-2-[[(2S)-6-amino-2-[[2-[[(2S)-5-carbamimidamido-2-[[2-[[(2S)-2,6-diaminohexanoyl]amino]acetyl]amino]pentanoyl]amino]acetyl]amino]hexanoyl]amino]-5-oxopentanoyl]amino]acetyl]amino]acetyl]amino]hexanoyl]amino]-3-methylbutanoyl]amino]-5-carbamimidamidopentanoyl]amino]propanoyl]amino]hexanoyl]amino]propanoyl]amino]hexanoyl]amino]-3-hydroxybutanoyl]amino]-5-carbamimidamidopentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoic acid

Parasin I is a 19-amino acid histone H2A-derived peptide isolated from the skin of the catfish, and shows antimicrobial activity

ChemicalCAS219552-69-9MW2000.31FormulaC82H154N34O24
CAS number
219552-69-9
Molecular weight
2000.31
Formula
C82H154N34O24
Solubility
Soluble in DMSO
InChIKey
NFEQUGKCQWAGLY-UAAVROCESA-N
Catalogue number
GC32348
Brand
GLPBIO
Computed properties PubChem CID 16198073 · XLogP -15.7 · TPSA 1010 Ų · H-bond donors 38
XLogP
-15.7
TPSA
1010 Ų
H-bond donors
38
H-bond acceptors
33
Rotatable bonds
79
Heavy atoms
140

SMILES C[C@H]([C@@H](C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CO)C(=O)N[C@@H](CO)C(=O)O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](C)NC(=O)[C@H](CCCCN)NC(=O)[C@H](C)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](C(C)C)NC(=O)[C@H](CCCCN)NC(=O)CNC(=O)CNC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CCCCN)NC(=O)CNC(=O)[C@H](CCCNC(=N)N)NC(=O)CNC(=O)[C@H](CCCCN)N)O

Computed descriptors from PubChem (CID 16198073), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

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