Peptide Database

Peptide NameMra4

Function Ontology

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Standard StatusStandard

Sequence Length31 amino acids

Chemical FormulaC137H225N35O43S6

DescriptionStandard

        GSIPCGESCVYIPCISSLLGCSCKSKVCYKN
    

Molecular Weight3242.85 Da

Isoelectric Point (pI)8.32

Net Charge (pH 7.0)1.70

Net Charge (pH 7.4) 1.40

Charge Density (pH 7.0) 0.0548

GRAVY Index0.45

Hydrophobic Moment 0.34

Boman Index0.17

Instability Index26.38

Aliphatic Index 81.61

Aromaticity 0.0645

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3355.00

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

Amino Acid Composition

TPSA 1239.03

LogP -15.05

H-bond Donors 49.0

H-bond Acceptors 51.0

Rotatable Bonds 104.0

Heavy Atoms 221.0

Ring Count 4.0

Amide Bonds 31.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0134920 VERIFIED: YES

Provenance & Taxonomy

OrganismMelicytus ramiflorus [Plant]

FamilyCyclotide

Tax ID344147

Structure & Mods

Confighead-to-tail cyclic peptide scaffold [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

DisulfideCysteine-rich scaffold consistent with multiple disulfide bonds in the annotated family

Bio-Activity Profile

Function

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RECORD: Rec_0335546 VERIFIED: YES

Provenance & Taxonomy

OrganismMelicytus ramiflorus [Plant]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

-

TargetEscherichia coli TOP10

MethodMex pooled growth assay (OD_ID at 4.5 h; Wald adjusted p-value)