Peptide Database

Peptide NameSperm activating peptide b

Function Ontology

Reproductive biology ▸ Male reproductive modulation

Standard StatusStandard

Sequence Length10 amino acids

Chemical FormulaC36H56N10O13

DescriptionStandard

        GFSLSGGGVG
    

Molecular Weight836.89 Da

Isoelectric Point (pI)5.53

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.44

Charge Density (pH 7.0) -0.0240

GRAVY Index0.72

Hydrophobic Moment 0.11

Boman Index0.54

Instability Index25.19

Aliphatic Index 68.00

Aromaticity 0.1000

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 365.68

LogP -6.15

H-bond Donors 13.0

H-bond Acceptors 13.0

Rotatable Bonds 26.0

Heavy Atoms 59.0

Ring Count 1.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0373852 VERIFIED: NO

Provenance & Taxonomy

OrganismStrongylocentrotus nudus [Animal]; Echinometra mathaei,type A and B [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Sperm activator