Peptide Database

Peptide NameGrowth hormone-releasing factor-40

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length40 amino acids

Chemical FormulaC194H317N61O63S

DescriptionStandard

        YADAIFTNSYRKVLGQLSARKLLQDIMSRQQGESNQERGA
    

Molecular Weight4544.03 Da

Isoelectric Point (pI)9.52

Net Charge (pH 7.0)1.76

Net Charge (pH 7.4) 1.55

Charge Density (pH 7.0) 0.0441

GRAVY Index-0.79

Hydrophobic Moment 0.61

Boman Index-0.22

Instability Index41.33

Aliphatic Index 75.75

Aromaticity 0.0750

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 2980.00

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

Amino Acid Composition

TPSA 2090.30

LogP -25.48

H-bond Donors 73.0

H-bond Acceptors 66.0

Rotatable Bonds 159.0

Heavy Atoms 319.0

Ring Count 3.0

Amide Bonds 46.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0182321 VERIFIED: NO

Provenance & Taxonomy

OrganismHomo sapiens [Animal]

Tax ID9606

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone

RECORD: Rec_0189985 VERIFIED: YES

Provenance & Taxonomy

OrganismHomo sapiens [Animal]

Tax ID9606

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermAmidation

Bio-Activity Profile

Function

Endocrine

MethodRadioimmunoassay

Half-Life(Dose i/v injected)Rat plasma, in vivo; 3438 s