Peptide Database

Peptide NameCir B

Function Ontology

Antimicrobial

Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic

Venom / Toxin ▸ General toxin ▸ Toxic

Standard StatusStandard

Sequence Length31 amino acids

Chemical FormulaC141H232N38O41S6

DescriptionStandard

        CSCKNKVCYRNGVIPCGESCVFIPCISTLLG
    

Molecular Weight3307.97 Da

Isoelectric Point (pI)8.33

Net Charge (pH 7.0)1.70

Net Charge (pH 7.4) 1.40

Charge Density (pH 7.0) 0.0549

GRAVY Index0.64

Hydrophobic Moment 0.30

Boman Index0.19

Instability Index23.91

Aliphatic Index 90.97

Aromaticity 0.0645

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1865.00

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

Amino Acid Composition

TPSA 1257.31

LogP -13.69

H-bond Donors 49.0

H-bond Acceptors 49.0

Rotatable Bonds 105.0

Heavy Atoms 226.0

Ring Count 4.0

Amide Bonds 32.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0099421 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configcyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Antimicrobial

TargetHuman erythrocytes

Activity400 μM

MethodHemolysis

RECORD: Rec_0212526 VERIFIED: YES