Peptide Database

Peptide NameCalcitonin

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length32 amino acids

Chemical FormulaC145H234N44O46S3

DescriptionStandard

        CSGLSTCALMKLSQDLHRFNSYPRTNVGAGTP
    

Molecular Weight3425.87 Da

Isoelectric Point (pI)8.90

Net Charge (pH 7.0)1.83

Net Charge (pH 7.4) 1.54

Charge Density (pH 7.0) 0.0571

GRAVY Index-0.26

Hydrophobic Moment 0.70

Boman Index-0.01

Instability Index7.92

Aliphatic Index 64.06

Aromaticity 0.0625

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1615.00

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

Amino Acid Composition

TPSA 1454.75

LogP -19.76

H-bond Donors 53.0

H-bond Acceptors 52.0

Rotatable Bonds 109.0

Heavy Atoms 238.0

Ring Count 5.0

Amide Bonds 34.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0095242 VERIFIED: YES

Provenance & Taxonomy

OrganismAquarana catesbeiana [Animal]

FamilyCalcitonin

Tax ID8400

Structure & Mods

Configdisulfide-constrained peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Disulfide1-7

Bio-Activity Profile

Function

Hormone Endocrine

Half-LifeMammalian: 1.2 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0295093 VERIFIED: NO