Peptide Database

Peptide NameSomatostatin-22

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length22 amino acids

Chemical FormulaC111H171N31O34S3

DescriptionStandard

        DNTVTSKPLNCMNYFWKSRTAC
    

Molecular Weight2579.93 Da

Isoelectric Point (pI)8.86

Net Charge (pH 7.0)1.74

Net Charge (pH 7.4) 1.50

Charge Density (pH 7.0) 0.0790

GRAVY Index-0.65

Hydrophobic Moment 0.50

Boman Index-0.13

Instability Index40.64

Aliphatic Index 35.45

Aromaticity 0.1364

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 7115.00

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

Amino Acid Composition

TPSA 1083.31

LogP -12.92

H-bond Donors 40.0

H-bond Acceptors 39.0

Rotatable Bonds 81.0

Heavy Atoms 179.0

Ring Count 5.0

Amide Bonds 24.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0185572 VERIFIED: YES

Provenance & Taxonomy

OrganismIctalurus punctatus [Animal]

FamilySomatostatin

Tax ID7998

Structure & Mods

Configlinear peptide with reported disulfide constraint [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

Disulfide11-22

Other Mods5:O-linked (GalNAc...) threonine

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator

Half-LifeMammalian: 1.1 hour; Yeast: 3 min; E. coli: >10 hour

RECORD: Rec_0372932 VERIFIED: YES