Peptide Database

Peptide NameCrystal structure of gurmarin, a sweet taste suppressing polypeptide

Function Ontology

Antifungal

Standard StatusStandard

Sequence Length35 amino acids

Chemical FormulaC187H214N46O19S6

DescriptionPDB structure; X-ray @1.45Å

        EQCVKKDELCIPYYLDCCEPLECKKVNWWDHKCIG
    

Molecular Weight4232.92 Da

Isoelectric Point (pI)4.81

Net Charge (pH 7.0)-2.28

Net Charge (pH 7.4) -2.83

Charge Density (pH 7.0) -0.0651

GRAVY Index-0.53

Hydrophobic Moment 0.12

Boman Index-0.07

Instability Index32.22

Aliphatic Index 72.29

Aromaticity 0.1429

Extinction Coeff. Reduced 13980.00

Extinction Coeff. Oxidized 14355.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 1340.75

LogP 11.98

H-bond Donors 28.0

H-bond Acceptors 59.0

Rotatable Bonds 76.0

Heavy Atoms 262.0

Ring Count 9.0

Amide Bonds 67.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0431367 VERIFIED: YES

Provenance & Taxonomy

OrganismGymnema sylvestre [other]

Tax ID4068

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Antifungal

MethodX-ray