Peptide Database

Peptide NameCalcitonin-3

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length32 amino acids

Chemical FormulaC145H241N43O46S3

DescriptionStandard

        CSNLSTCMLGKLSQDLHKLQTFPRTNTGAGVP
    

Molecular Weight3418.92 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-0.25

Hydrophobic Moment 0.61

Boman Index0.01

Instability Index42.42

Aliphatic Index 73.12

Aromaticity 0.0312

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 1441.73

LogP -19.16

H-bond Donors 51.0

H-bond Acceptors 52.0

Rotatable Bonds 112.0

Heavy Atoms 237.0

Ring Count 4.0

Amide Bonds 35.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0217537 VERIFIED: YES

Provenance & Taxonomy

OrganismOncorhynchus kisutch [Animal]

FamilyCalcitonin

Tax ID8019

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_0274143 VERIFIED: NO