Peptide Database

Peptide NameLactococcin Q

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Standard StatusStandard

Sequence Length39 amino acids

Chemical FormulaC185H297N59O53S2

DescriptionStandard

        SIWGDIGQGVGKAAYWVGKAMGNMSDVNQASRINRKKKH
    

Molecular Weight4259.83 Da

Isoelectric Point (pI)10.29

Net Charge (pH 7.0)4.54

Net Charge (pH 7.4) 4.28

Charge Density (pH 7.0) 0.1165

GRAVY Index-0.69

Hydrophobic Moment 0.60

Boman Index-0.09

Instability Index5.64

Aliphatic Index 62.56

Aromaticity 0.0769

Extinction Coeff. Reduced 12490.00

Extinction Coeff. Oxidized 12490.00

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

Amino Acid Composition

TPSA 1854.25

LogP -21.08

H-bond Donors 65.0

H-bond Acceptors 61.0

Rotatable Bonds 147.0

Heavy Atoms 299.0

Ring Count 6.0

Amide Bonds 43.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0021786 VERIFIED: YES

Provenance & Taxonomy

OrganismLactococcus lactis [Bacterium]

FamilyBacteriocin

Tax ID1358

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial

RECORD: Rec_0167515 VERIFIED: YES

Provenance & Taxonomy

OrganismLactococcus lactis [Bacterium]

FamilyBacteriocin

Tax ID1358

Structure & Mods

Configtopology not specified [Not included yet]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive

TargetLactococcus lactis subsp

RECORD: Rec_0213464 VERIFIED: YES

Provenance & Taxonomy

OrganismLactococcus lactis [Bacterium]

FamilyBacteriocin

Tax ID1358

Structure & Mods

Configtopology not specified [Not included yet]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive

Targetlactis ATCC 19435

Activity1 μM

MethodMIC

RECORD: Rec_0324573 VERIFIED: NO

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Antibacterial Antimicrobial Anti-Gram-positive

RECORD: Rec_0380182 VERIFIED: YES

Provenance & Taxonomy

OrganismLactococcus lactis QU 4 [Bacterium]

FamilyBacteriocin

Structure & Mods

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

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive

TargetLactococcus lactis subsp. lactis ATCC 19435

Activity1 μM

MethodMIC