Peptide Database

Peptide NameSodium-influx-stimulating peptide

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length77 amino acids

Chemical FormulaC387H604N106O126S8

DescriptionStandard

        SRTQSRFASYELMGTEGTECVTTKTISQICYQCATRHEDSFVQVYQECCKKEMGLREYCEEIYTELPIRSGLWQPNK
    

Molecular Weight9014.09 Da

Isoelectric Point (pI)5.34

Net Charge (pH 7.0)-2.49

Net Charge (pH 7.4) -2.87

Charge Density (pH 7.0) -0.0324

GRAVY Index-0.69

Hydrophobic Moment 0.51

Boman Index-0.14

Instability Index67.81

Aliphatic Index 54.42

Aromaticity 0.1039

Extinction Coeff. Reduced 12950.00

Extinction Coeff. Oxidized 13325.00

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

Amino Acid Composition

TPSA 3811.69

LogP -41.42

H-bond Donors 140.0

H-bond Acceptors 133.0

Rotatable Bonds 302.0

Heavy Atoms 627.0

Ring Count 12.0

Amide Bonds 83.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0005498 VERIFIED: YES

Provenance & Taxonomy

OrganismLymnaea stagnalis [Animal]

FamilySodium-influx-stimulating peptide

Tax ID6523

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine

Half-LifeMammalian: 1.9 hour; Yeast: >20 hour; E. coli: >10 hour