Peptide Database

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

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length171 amino acids

Chemical FormulaC818H1288N220O236S17

DescriptionStandard

        MACKSSRSLLLLATVMVSVFAAAAAAAAATDCSPGVAFPTNLLGHCRDYVLQQTCAVFTPGSKLPEWMTSAELNYPGQPYLAKLYCCQELAEIPQQCRCEALRYFMALPVPSQPVDPSTGNVGQSGLMDLPGCPREMQRDFVRLLVAPGQCNLATIHNVRYCPAVEQPLWI
    

Molecular Weight18525.41 Da

Isoelectric Point (pI)6.07

Net Charge (pH 7.0)-1.42

Net Charge (pH 7.4) -1.92

Charge Density (pH 7.0) -0.0083

GRAVY Index0.18

Hydrophobic Moment 0.84

Boman Index0.14

Instability Index50.48

Aliphatic Index 86.78

Aromaticity 0.0760

Extinction Coeff. Reduced 19940.00

Extinction Coeff. Oxidized 20565.00

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

Amino Acid Composition

TPSA 7154.44

LogP -70.41

H-bond Donors 250.0

H-bond Acceptors 254.0

Rotatable Bonds 579.0

Heavy Atoms 1291.0

Ring Count 33.0

Amide Bonds 186.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0395189 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