Peptide Database

Peptide Name[T8A]-Penaeidin-3a ([T8A]-Pen-3a; shrimps, Arthropods, animals)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Antimicrobial ▸ Antifungal

Standard StatusStandard

Sequence Length63 amino acids

Chemical FormulaC292H457N91O77S6

DescriptionStandard

        QVYKGGYARPIPRPPPFVRPLPGGPIGPYNGCPVSCRGISFSQARSCCSRLGRCCHVGKGYSG
    

Molecular Weight6666.71 Da

Isoelectric Point (pI)9.89

Net Charge (pH 7.0)8.78

Net Charge (pH 7.4) 8.43

Charge Density (pH 7.0) 0.1394

GRAVY Index-0.34

Hydrophobic Moment 0.66

Boman Index-0.02

Instability Index56.43

Aliphatic Index 52.54

Aromaticity 0.0952

Extinction Coeff. Reduced 5960.00

Extinction Coeff. Oxidized 6335.00

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

Amino Acid Composition

TPSA 2625.21

LogP -31.36

H-bond Donors 97.0

H-bond Acceptors 93.0

Rotatable Bonds 199.0

Heavy Atoms 466.0

Ring Count 17.0

Amide Bonds 65.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0424419 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyPenaeidin

Tax ID32630

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Antifungal Anti-Gram-positive Anti-Gram-negative

TargetMicrococcus luteus

Activity0.8-1.6 μM

MethodMIC

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