Peptide Database

Peptide NameGlucagon I

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length37 amino acids

Chemical FormulaC194H297N55O61S2

DescriptionStandard

        HSQGMFTNDYSKYLEEKRAKEFVEWLKNGESKRQGMS
    

Molecular Weight4439.90 Da

Isoelectric Point (pI)8.31

Net Charge (pH 7.0)0.86

Net Charge (pH 7.4) 0.58

Charge Density (pH 7.0) 0.0231

GRAVY Index-1.41

Hydrophobic Moment 0.63

Boman Index-0.31

Instability Index50.47

Aliphatic Index 31.62

Aromaticity 0.1351

Extinction Coeff. Reduced 8480.00

Extinction Coeff. Oxidized 8480.00

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

Amino Acid Composition

TPSA 1947.06

LogP -20.31

H-bond Donors 68.0

H-bond Acceptors 65.0

Rotatable Bonds 156.0

Heavy Atoms 312.0

Ring Count 7.0

Amide Bonds 40.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0054782 VERIFIED: NO

Provenance & Taxonomy

OrganismHuso dauricus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone

RECORD: Rec_0354487 VERIFIED: YES

Provenance & Taxonomy

OrganismHuso dauricus [Animal]

FamilyGlucagon

Tax ID55293

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Metabolic regulation Physiological regulation

Half-LifeMammalian: 3.5 hour; Yeast: 10 min; E. coli: >10 hour