Peptide Database

Peptide NameAntifreeze peptide AFP4

Function Ontology

Antifreeze

Standard StatusStandard

Sequence Length40 amino acids

Chemical FormulaC144H244N46O48S

DescriptionStandard

        MDAPAKAAAATAAAAKAAAEATAAAAAAKAAAATKAGAAH
    

Molecular Weight3419.82 Da

Isoelectric Point (pI)9.52

Net Charge (pH 7.0)1.59

Net Charge (pH 7.4) 1.31

Charge Density (pH 7.0) 0.0397

GRAVY Index0.52

Hydrophobic Moment 0.27

Boman Index0.24

Instability Index15.13

Aliphatic Index 67.50

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 1457.48

LogP -21.30

H-bond Donors 50.0

H-bond Acceptors 52.0

Rotatable Bonds 107.0

Heavy Atoms 239.0

Ring Count 2.0

Amide Bonds 39.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0158832 VERIFIED: NO

Provenance & Taxonomy

OrganismPleuronectes americanus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antifreeze