Peptide Database

Peptide NameKunitz trypsin inhibitor; runner bean (Phaseolus coccineus)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antifungal

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Toxicity / Safety ▸ Negative safety assay result ▸ Non-hemolytic

Standard StatusStandard

Sequence Length73 amino acids

Chemical FormulaC353H551N107O96S10

DescriptionStandard

        MRKSCAFFFFLLVLLFASQVVVQTEARVCESQSHGFKGACTGDHNCALVCRNEGFSGGNCRGFRRRCFCTKIC
    

Molecular Weight8150.46 Da

Isoelectric Point (pI)9.04

Net Charge (pH 7.0)5.59

Net Charge (pH 7.4) 5.13

Charge Density (pH 7.0) 0.0766

GRAVY Index0.19

Hydrophobic Moment 0.57

Boman Index0.02

Instability Index54.86

Aliphatic Index 62.74

Aromaticity 0.1233

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 500.00

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

Amino Acid Composition

TPSA 3296.82

LogP -36.90

H-bond Donors 127.0

H-bond Acceptors 114.0

Rotatable Bonds 271.0

Heavy Atoms 566.0

Ring Count 11.0

Amide Bonds 78.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0237090 VERIFIED: NO

Provenance & Taxonomy

OrganismPhaseolus coccineus [Plant]

FamilyProtease/Amylase inhibitor

Tax ID3884;0

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme Inhibitor

RECORD: Rec_0293864 VERIFIED: NO