Peptide Database

Peptide NameIsolation, Characterization, and Synthesis of the Barrettides: Disulfide-Containing Peptides from the Marine Sponge Geodia barretti

Function Ontology

Antifungal

Standard StatusStandard

Sequence Length31 amino acids

Chemical FormulaC128H139N37O21S4

DescriptionPDB structure; NMR

        DVSPCFCVEDETSGAKTCVPDNCDASRGTNP
    

Molecular Weight3218.44 Da

Isoelectric Point (pI)3.54

Net Charge (pH 7.0)-4.24

Net Charge (pH 7.4) -4.57

Charge Density (pH 7.0) -0.1369

GRAVY Index-0.56

Hydrophobic Moment 0.11

Boman Index-0.10

Instability Index24.05

Aliphatic Index 34.52

Aromaticity 0.0323

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 250.00

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

Amino Acid Composition

TPSA 1209.48

LogP -4.49

H-bond Donors 26.0

H-bond Acceptors 52.0

Rotatable Bonds 49.0

Heavy Atoms 196.0

Ring Count 4.0

Amide Bonds 57.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0431359 VERIFIED: YES

Provenance & Taxonomy

OrganismGeodia barretti [other]

Tax ID519541

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Antifungal

MethodNMR