Peptide Database

Peptide NameSperm activating peptide IIIb

Function Ontology

Reproductive biology ▸ Male reproductive modulation

Standard StatusStandard

Sequence Length8 amino acids

Chemical FormulaC33H54N10O13

DescriptionStandard

        SDSAHLIG
    

Molecular Weight798.84 Da

Isoelectric Point (pI)5.06

Net Charge (pH 7.0)-1.45

Net Charge (pH 7.4) -1.71

Charge Density (pH 7.0) -0.1815

GRAVY Index0.17

Hydrophobic Moment 0.31

Boman Index0.23

Instability Index22.21

Aliphatic Index 110.00

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 373.46

LogP -5.04

H-bond Donors 13.0

H-bond Acceptors 13.0

Rotatable Bonds 25.0

Heavy Atoms 56.0

Ring Count 1.0

Amide Bonds 7.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0304587 VERIFIED: NO

Provenance & Taxonomy

OrganismClypeaster japonicus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Sperm Activator