Peptide Database

Peptide NameGastrin

Function Ontology

Gastrointestinal bioactivity

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromuscular and muscle activity ▸ Myotropic activity

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Regulatory peptide ▸ Biological modulation

Regulatory peptide ▸ Cell-cell communication

Standard StatusStandard

Sequence Length17 amino acids

Chemical FormulaC94H122N20O30S

DescriptionStandard

        QGPWVEEEEAAYGWMDF
    

Molecular Weight2044.16 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) -0.3076

GRAVY Index-0.82

Hydrophobic Moment 0.27

Boman Index0.14

Instability Index72.01

Aliphatic Index 28.82

Aromaticity 0.2353

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 801.53

LogP -3.79

H-bond Donors 26.0

H-bond Acceptors 26.0

Rotatable Bonds 61.0

Heavy Atoms 145.0

Ring Count 7.0

Amide Bonds 17.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0424186 VERIFIED: YES

Provenance & Taxonomy

OrganismCapra hircus [Animal]

FamilyGastrin

Tax ID9925

Structure & Mods

Configlinear peptide [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

N-TermPyroglutamate

C-TermAmidation

Other Mods12:Sulfotyrosine

Bio-Activity Profile

Function

Hormone Endocrine Myotropic

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

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