General Information
- 
			 					
DRAMP ID
- DRAMP00173
 
 - 
			   					
Peptide Name
- Leucocyclicin Q (Bacteriocin)
 
 - 
			   					
Source
- Leuconostoc mesenteroides TK41401 (Gram-positive bacteria)
 
 - 
			   					
Family
- Belongs to the class IIc bacteriocin
 
 - 
			   					
Gene
- lcyQ
 
 - 
			   					
Sequence
- LVNQLGISKSLANTILGAIAVGNLASWVLALVPGPGWATKAALATAETIVKHEGKAAAIAW
 
 - 
			   					
Sequence Length
- 61
 
 - 
			   					
UniProt Entry
- G5ELQ0
 
 - 
							
Protein Existence
- Predicted
 
 
Activity Information
- 
			   					
Biological Activity
- Antimicrobial, Antibacterial, Anti-Gram+
 
 - 
			   					
Target Organism
- 
				    					
- Gram-positive bacteria: Lactococcus lactis ssp. lactis JCM 7638 (MIC=0.038 µM), L. lactis ssp. lactis ATCC 19435 (MIC=0.038 µM), L. sp. QU 12 (MIC=1.203 µM), Lactobacillus sakei ssp. sakei JCM 1157 (MIC=0.038 µM), Weissella cibaria JCM 12495 (MIC=2.405 µM), W. paramesenteroides JCM 9890 (MIC=0.075 µM), Pediococcus pentosaceus JCM 5885 (MIC=2.405 µM), P. dextrinicus JCM 5887 (MIC=0.038 µM), Enterococcus faecium JCM 5804 (MIC=0.038 µM), E. faecalis JCM 5803 (MIC=0.15 µM), Streptococcus salivarius JCM 5707 (MIC=2.405 µM), S. bovis JCM 5802 (MIC=0.601 µM), S. mutans JCM 5705 (MIC=19.25 µM), Bacillus coagulans JCM 2257 (MIC=0.075 µM), B. subtilis ssp. subtilis JCM 1465 (MIC=0.601 µM), B. cereus JCM 2152 (MIC=2.405 µM), Kocuria rhizophila NBRC 12708 (MIC=9.623 µM), Listeria innocua ATCC 33090 (MIC=0.601 µM), Leuconostoc mesenteroides ssp. mes. JCM 6124 (MIC=0.3 µM), Escherichia coli JM109 (MIC=38.49 µM), E. coli NBRC 3301 (MIC=38.49 µM)
 
 
 - 
			   					
Hemolytic Activity
- 
				    					
- No hemolysis information or data found in the reference(s) presented in this entry
 
 
 - 
			   					
Cytotoxicity
- No cytotoxicity information found in the reference(s) presented
 
 - 
			   					
Binding Target
- Not found
 
 
Structure Information
- 
			   					
Linear/Cyclic
- Cyclic
 
 - 
			   					
N-terminal Modification
- Cyclization (N termini to C termini)
 
 - 
			   					
C-terminal Modification
- Cyclization (C termini to N termini)
 
 - 
			   					
Nonterminal Modifications and Unusual Amino Acids
- The whole peptide has a cyclic structure in which N and C termini are bound to each other.
 
 - 
			   					
Stereochemistry
- L
 
 - 
			   					
Structure
- Not found
 
 - 
			   					
Structure Description
- Not found
 
 - 
								
Helical Wheel Diagram
 - 
			   					
PDB ID
- None
 
 - 
									
Predicted Structure
 - There is no predicted structure for DRAMP00173.
 
Physicochemical Information
- 
			   						
Formula
- C282H460N74O77
 
Absent Amino Acids
- CDFMRY
 
Common Amino Acids
- A
 
Mass
- 6119.2
 
PI
- 9.53
 
Basic Residues
- 5
 
Acidic Residues
- 2
 
Hydrophobic Residues
- 35
 
Net Charge
- +3
 
 
- 
			   						
Boman Index
- 35.71
 
Hydrophobicity
- 0.751
 
Aliphatic Index
- 129.84
 
Half Life
- 
			   								
- Mammalian:5.5 hour
 - Yeast:3 min
 - E.coli:2 min
 
 
Extinction Coefficient Cystines
- 16500
 
Absorbance 280nm
- 275
 
Polar Residues
- 16
 
 
DRAMP00173
					Comments Information
Function
- This precursor showed high similarity to the precursor of lactocyclicin Q, a cyclic bacteriocin produced by Lactococcus sp. strain QU 12. This is the first report of a cyclic bacteriocin produced by a strain of the genus Leuconostoc.
 
Literature Information
- ·Literature 1
 - 
			   					
Title
- Identification and characterization of leucocyclicin Q, a novel cyclic bacteriocin produced by Leuconostoc mesenteroides TK41401.
 
 - 
			   					
Pubmed ID
- 21948835
 
 - 
			   					
Reference
- Appl Environ Microbiol. 2011 Nov;77(22):8164-8170.
 
 - 
			   					
Author
- Masuda Y, Ono H, Kitagawa H, Ito H, Mu F, Sawa N, Zendo T, Sonomoto K.
 
 
									