Peptide Database

Peptide NameAlpha-amylase/trypsin inhibitor CMa; precursor; barley (Hordeum vulgare)

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length145 amino acids

Chemical FormulaC674H1066N188O207S12

DescriptionStandard

        MASKSSITPLLLAAVLASVFAAATATGQYCYAGMGLPSNPLEGCREYVAQQTCGVTIAGSPVSSEPGDTPKDRCCQELDEAPQHCRCEAVRYFIGRRSHPDWSVLKDLPGCPKEPQRDFAKVLVTPGQCNVLTVHNAPYCLGLDI
    

Molecular Weight15499.59 Da

Isoelectric Point (pI)5.86

Net Charge (pH 7.0)-2.32

Net Charge (pH 7.4) -2.86

Charge Density (pH 7.0) -0.0160

GRAVY Index-0.09

Hydrophobic Moment 0.67

Boman Index0.06

Instability Index38.64

Aliphatic Index 78.07

Aromaticity 0.0621

Extinction Coeff. Reduced 12950.00

Extinction Coeff. Oxidized 13575.00

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

Amino Acid Composition

TPSA 6223.07

LogP -68.75

H-bond Donors 220.0

H-bond Acceptors 220.0

Rotatable Bonds 489.0

Heavy Atoms 1081.0

Ring Count 26.0

Amide Bonds 154.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0424564 VERIFIED: YES

Provenance & Taxonomy

OrganismHordeum vulgare [Plant]

FamilyProtease/Amylase inhibitor

Tax ID4513;0

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme Inhibitor