Peptide Database

Peptide NameVasiconstrictor peptide Orpotrin

Function Ontology

Anticancer ▸ Cytotoxic anticancer activity ▸ Cytotoxic

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Toxicity / Safety ▸ Cytotoxicity ▸ Cytotoxic

Venom / Toxin ▸ General toxin ▸ Cytotoxic

Venom / Toxin ▸ General toxin ▸ Toxic

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC44H67N13O14

DescriptionStandard

        HGGYKPTDK
    

Molecular Weight1002.08 Da

Isoelectric Point (pI)8.51

Net Charge (pH 7.0)0.85

Net Charge (pH 7.4) 0.59

Charge Density (pH 7.0) 0.0939

GRAVY Index-2.10

Hydrophobic Moment 0.41

Boman Index-0.33

Instability Index-16.17

Aliphatic Index 0.00

Aromaticity 0.1111

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 445.81

LogP -4.93

H-bond Donors 15.0

H-bond Acceptors 16.0

Rotatable Bonds 31.0

Heavy Atoms 71.0

Ring Count 3.0

Amide Bonds 8.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0113177 VERIFIED: NO

Provenance & Taxonomy

OrganismPotamotrygon otbignyi [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide

RECORD: Rec_0233578 VERIFIED: NO

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide; DSSP H 0.0%, E 0.0%, T 44.4%, C 55.6% [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Toxic Cytotoxic