Peptide Database

Peptide NameAlpha-amylase inhibitor BMAI-1; precursor; fragment; barley (Hordeum vulgare)

Function Ontology

Immunology ▸ Adverse immune reactivity ▸ Allergenicity ▸ Allergen

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length146 amino acids

Chemical FormulaC685H1062N190O209S16

DescriptionStandard

        PTSVAVDQGSMVSNSPGEWCWPGMGYPVYPFPRCRALVKSQCAGGQVVESIQKDCCRQIAAIGDEWCICGALGSMRGSMYKELGVALADDKATVAEVFPGCRTEVMDRAVASLPAVCNQYIPNTNGTDGVCYWLSYYQPPRQMSSR
    

Molecular Weight15815.95 Da

Isoelectric Point (pI)5.36

Net Charge (pH 7.0)-1.13

Net Charge (pH 7.4) -1.36

Charge Density (pH 7.0) -0.0077

GRAVY Index-0.13

Hydrophobic Moment 0.61

Boman Index0.06

Instability Index27.72

Aliphatic Index 66.10

Aromaticity 0.0890

Extinction Coeff. Reduced 32430.00

Extinction Coeff. Oxidized 33055.00

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

Amino Acid Composition

TPSA 6330.87

LogP -69.62

H-bond Donors 228.0

H-bond Acceptors 224.0

Rotatable Bonds 500.0

Heavy Atoms 1100.0

Ring Count 28.0

Amide Bonds 157.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0303669 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

Allergen Enzyme Inhibitor