Peptide Database

Peptide NamePyrokinin I 1

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length7 amino acids

Chemical FormulaC38H62N10O10

DescriptionStandard

        SLFSPRL
    

Molecular Weight818.96 Da

Isoelectric Point (pI)9.47

Net Charge (pH 7.0)0.46

Net Charge (pH 7.4) 0.25

Charge Density (pH 7.0) 0.0657

GRAVY Index0.39

Hydrophobic Moment 0.24

Boman Index0.08

Instability Index60.57

Aliphatic Index 111.43

Aromaticity 0.1429

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 331.49

LogP -2.60

H-bond Donors 12.0

H-bond Acceptors 11.0

Rotatable Bonds 24.0

Heavy Atoms 58.0

Ring Count 2.0

Amide Bonds 6.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0365801 VERIFIED: NO

Provenance & Taxonomy

OrganismHomarus americanus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide