Peptide Database

Peptide NameChromogranin-A

Function Ontology

Hormonal / Endocrine ▸ Secretory pathway peptide ▸ Secretory granule peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide precursor

Standard StatusStandard

Sequence Length104 amino acids

Chemical FormulaC498H839N145O168S4

DescriptionStandard

        LPVTNNMNKGDTKVMKCIVEVISDTLSKPNPLPISEECLETLRGDERIISILRHQNLLKELQEIAVQGANERTQQQRRTEDQELESLAAIEAELESVAHSLQAL
    

Molecular Weight11674.12 Da

Isoelectric Point (pI)4.78

Net Charge (pH 7.0)-7.05

Net Charge (pH 7.4) -7.41

Charge Density (pH 7.0) -0.0678

GRAVY Index-0.45

Hydrophobic Moment 0.73

Boman Index-0.10

Instability Index56.28

Aliphatic Index 105.96

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 125.00

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

Amino Acid Composition

TPSA 5121.97

LogP -55.52

H-bond Donors 173.0

H-bond Acceptors 167.0

Rotatable Bonds 408.0

Heavy Atoms 815.0

Ring Count 6.0

Amide Bonds 117.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0079321 VERIFIED: YES

Provenance & Taxonomy

OrganismStruthio camelus [Animal]

FamilyChromogranin/secretogranin

Tax ID8801

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Secretory granule peptide Neuropeptide precursor