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kassinin

Structure via PubChem · Public domain (PubChem)

EntityQ6374755· pop 6· linked from 98 articles

Kassinin is a peptide derived from the Kassina frog. It belongs to tachykinin family of neuropeptides. It is secreted as a defense response, and is involved in neuropeptide signalling.

Chemical data

Formula
C59H95N15O18S
Molecular weight
1334.5 g/mol
IUPAC name
3-amino-4-[[1-[2-[[6-amino-1-[[1-[[1-[[5-amino-1-[[1-[[1-[[2-[[1-[(1-amino-4-methylsulfanyl-1-oxobutan-2-yl)amino]-4-methyl-1-oxopentan-2-yl]amino]-2-oxoethyl]amino]-3-methyl-1-oxobutan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-1,5-dioxopentan-2-yl]amino]-3-carboxy-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-1-oxohexan-2-yl]carbamoyl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]amino]-4-oxobutanoic acid
SMILES
CC(C)CC(C(=O)NC(CCSC)C(=O)N)NC(=O)CNC(=O)C(C(C)C)NC(=O)C(CC1=CC=CC=C1)NC(=O)C(CCC(=O)N)NC(=O)C(CC(=O)O)NC(=O)C(CO)NC(=O)C(CCCCN)NC(=O)C2CCCN2C(=O)C(C(C)C)NC(=O)C(CC(=O)O)N
InChIKey
NXTPETCPVNEEOP-UHFFFAOYSA-N
XLogP
-7.5
Polar surface area
570 Ų
H-bond donors
17
H-bond acceptors
21
Formal charge
0

via PubChem

Wikidata facts

Mass
1333.670022
Show 4 more facts
chemical formula
C₅₉H₉₅N₁₅O₁₈S
canonical SMILES
NCCCCC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NCC(=O)NC(C(=O)NC(C(=O)N)CCSC)CC(C)C)C(C)C)CC1=CC=CC=C1)CCC(=O)N)CC(=O)O)CO)NC(=O)C2CCCN2C(=O)C(C(C)C)NC(=O)C(CC(=O)O)N
subject has role
neurotransmitter
found in taxon
Senegal running frog
Sources (1)

via Wikidata · CC0

~4 min read

Encyclopedic overview

4 sections
Contents
  • Ion transportation
  • Tachykinins
  • As a research tool
  • References

Kassinin is a peptide derived from the Kassina frog. It belongs to tachykinin family of neuropeptides. It is secreted as a defense response, and is involved in neuropeptide signalling.

The amino acid sequence is H-Asp-Val-Pro-Lys-Ser-Asp-Gln-Phe-Val-Gly-Leu-Met-NH2 (DVPKSDQFVGLM-NH2).

Excerpted from Wikipedia’s “kassinin” article, available under the CC BY-SA 4.0 licence.

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