Peptide Database

Peptide NameGastrin

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromuscular and muscle activity ▸ Myotropic activity

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC92H119N19O29S

DescriptionStandard

        QGPWLEEEEAYGWMDF
    

Molecular Weight1987.10 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-5.23

Net Charge (pH 7.4) -5.44

Charge Density (pH 7.0) -0.3268

GRAVY Index-1.01

Hydrophobic Moment 0.16

Boman Index0.11

Instability Index88.91

Aliphatic Index 30.62

Aromaticity 0.2500

Extinction Coeff. Reduced 12490.00

Extinction Coeff. Oxidized 12490.00

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

Amino Acid Composition

TPSA 772.43

LogP -2.90

H-bond Donors 25.0

H-bond Acceptors 25.0

Rotatable Bonds 60.0

Heavy Atoms 141.0

Ring Count 7.0

Amide Bonds 16.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0031855 VERIFIED: YES

Provenance & Taxonomy

OrganismDidelphis virginiana [Animal]

FamilyGastrin

Tax ID9267

Structure & Mods

Configlinear peptide [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

N-TermPyroglutamate

C-TermAmidation

Other Mods11:Sulfotyrosine

Bio-Activity Profile

Function

Hormone Endocrine Myotropic

Half-LifeMammalian: 0.8 hour; Yeast: 10 min; E. coli: >10 hour