Peptide Database

Peptide NameSnakin-1

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Antimicrobial ▸ Antifungal

Immunology ▸ Innate immune defense ▸ Host defense peptide ▸ Host defense activity

Standard StatusStandard

Sequence Length63 amino acids

Chemical FormulaC284H465N87O89S12

DescriptionStandard

        GSSFCDSKCKLRCSKAGLADRCLKYCGICCEECKCVPSGTYGNKHECPCYRDKKNSKGKSKCP
    

Molecular Weight6907.04 Da

Isoelectric Point (pI)8.97

Net Charge (pH 7.0)7.73

Net Charge (pH 7.4) 7.27

Charge Density (pH 7.0) 0.1226

GRAVY Index-0.77

Hydrophobic Moment 0.47

Boman Index-0.27

Instability Index40.49

Aliphatic Index 32.54

Aromaticity 0.0635

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 5220.00

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

Amino Acid Composition

TPSA 2874.26

LogP -37.84

H-bond Donors 113.0

H-bond Acceptors 110.0

Rotatable Bonds 236.0

Heavy Atoms 472.0

Ring Count 8.0

Amide Bonds 64.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0081053 VERIFIED: YES

Provenance & Taxonomy

OrganismSolanum tuberosum [Plant]

FamilyDefensin

Structure & Mods

Configdisulfide-constrained peptide with linear backbone [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

DisulfideSix disulfide bonds reported, sites unresolved

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Antifungal

TargetRhizobium meliloti

Activity8 μM

MethodEC50

RECORD: Rec_0082084 VERIFIED: YES

Provenance & Taxonomy

OrganismSolanum tuberosum [Plant]

FamilySnakin

Tax ID4113

Structure & Mods

ConfigSingle-chain peptide backbone represented as a linear sequence entry [Linear]

Chiralitycanonical L-amino-acid peptide [L]

DisulfideSix disulfide bonds reported, sites unresolved

Bio-Activity Profile

Function

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

TargetRalstonia solanacearum

Activity30 μM

MethodEC50

RECORD: Rec_0091430 VERIFIED: YES

Provenance & Taxonomy

OrganismSolanum tuberosum [Plant]

FamilySnakin

Tax ID4113

Structure & Mods

ConfigSingle-chain peptide backbone represented as a linear sequence entry [Linear]

Chiralitycanonical L-amino-acid peptide [L]

DisulfideSix disulfide bonds reported, sites unresolved

Bio-Activity Profile

Function

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

TargetColletotrichum graminicola

Activity10 μM

MethodEC50

RECORD: Rec_0105025 VERIFIED: YES

Provenance & Taxonomy

OrganismSolanum tuberosum [Plant]

FamilySnakin

Tax ID4113

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

DisulfideSix disulfide bonds reported, sites unresolved

Bio-Activity Profile

Function

Antimicrobial Antibacterial Antifungal

TargetBipolaris maydis

Activity20 μM

MethodEC50

RECORD: Rec_0123746 VERIFIED: YES

Provenance & Taxonomy

OrganismSolanum tuberosum [Plant]

FamilySnakin

Tax ID4113

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

DisulfideSix disulfide bonds reported, sites unresolved

Bio-Activity Profile

Function

Antimicrobial Antibacterial Antifungal

TargetFusarium culmorum

Activity2 μM

MethodEC50

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