Peptide Database

Peptide NameVasotocin-neurophysin VT

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length27 amino acids

Chemical FormulaC124H195N37O37S4

DescriptionStandard

        CYIQNCPRGGKRSYPDTAVPQCIPCGP
    

Molecular Weight2924.36 Da

Isoelectric Point (pI)8.52

Net Charge (pH 7.0)1.72

Net Charge (pH 7.4) 1.45

Charge Density (pH 7.0) 0.0637

GRAVY Index-0.56

Hydrophobic Moment 0.76

Boman Index-0.07

Instability Index43.36

Aliphatic Index 43.33

Aromaticity 0.0741

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3230.00

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

Amino Acid Composition

TPSA 1173.28

LogP -14.28

H-bond Donors 42.0

H-bond Acceptors 43.0

Rotatable Bonds 85.0

Heavy Atoms 202.0

Ring Count 7.0

Amide Bonds 29.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0161505 VERIFIED: YES

Provenance & Taxonomy

OrganismSclerophrys regularis [Animal]

FamilyVasotocin-neurophysin VT

Tax ID1978144

Structure & Mods

Configdisulfide-constrained peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide1-6

Other Mods9:Glycine amide

Bio-Activity Profile

Function

Hormone Endocrine Metabolic regulation Physiological regulation

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