Peptide Database

Peptide NameType I Antifreeze peptide-42

Function Ontology

Antifreeze

Standard StatusStandard

Sequence Length42 amino acids

Chemical FormulaC161H280N50O53S

DescriptionStandard

        MDAPAKAAAKTAADAKAAAAKTAADALAAANKTAAAAKAAAK
    

Molecular Weight3796.31 Da

Isoelectric Point (pI)9.88

Net Charge (pH 7.0)3.50

Net Charge (pH 7.4) 3.27

Charge Density (pH 7.0) 0.0833

GRAVY Index0.14

Hydrophobic Moment 0.45

Boman Index0.08

Instability Index20.53

Aliphatic Index 68.81

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 1645.45

LogP -22.58

H-bond Donors 56.0

H-bond Acceptors 58.0

Rotatable Bonds 126.0

Heavy Atoms 265.0

Ring Count 1.0

Amide Bonds 42.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0276438 VERIFIED: NO

Provenance & Taxonomy

OrganismMyoxocephalus octodecemspinosus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermBlocked

Bio-Activity Profile

Function

Antifreeze