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Chemical structure of Systemin

GC30579

Systemin

Also known as (3S)-3-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-1-[(2S)-1-[(2S)-6-amino-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-2-[[(2S)-2-aminopropanoyl]amino]-3-methylbutanoyl]amino]-5-oxopentanoyl]amino]-3-hydroxypropanoyl]amino]hexanoyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]hexanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-4-[(2S)-2-[(2S)-2-[(2S)-2-[[(2S,3R)-2-[[(2S)-5-amino-2-[[(2S)-2-[[(2S)-2,6-diaminohexanoyl]amino]-4-methylsulfanylbutanoyl]amino]-5-oxopentanoyl]amino]-3-hydroxybutanoyl]amino]-3-carboxypropanoyl]oxycarbonylpyrrolidine-1-carbonyl]pyrrolidin-1-yl]-4-oxobutanoic acid

Systemin, an 18-amino acid polypeptide, has been isolated from tomato leaves that is a powerful inducer of over 15 defensive genes

ChemicalCAS137181-56-7MW2010.28FormulaC85H144N26O28S
CAS number
137181-56-7
Molecular weight
2010.28
Formula
C85H144N26O28S
Solubility
Soluble in Water
InChIKey
HOWHQWFXSLOJEF-MGZLOUMQSA-N
Catalogue number
GC30579
Brand
GLPBIO
Computed properties PubChem CID 25078152 · XLogP -15.6 · TPSA 915 Ų · H-bond donors 26
XLogP
-15.6
TPSA
915 Ų
H-bond donors
26
H-bond acceptors
35
Rotatable bonds
65
Heavy atoms
140

SMILES C[C@H]([C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)OC(=O)[C@@H]1CCCN1C(=O)[C@@H]2CCCN2C(=O)[C@H](CC(=O)O)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CO)NC(=O)[C@@H]3CCCN3C(=O)[C@@H]4CCCN4C(=O)[C@H](CCCCN)NC(=O)[C@H](CO)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](C(C)C)NC(=O)[C@H](C)N)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CCSC)NC(=O)[C@H](CCCCN)N)O

Computed descriptors from PubChem (CID 25078152), 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
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Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
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