Bacteriocin: Enterocin B

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Bacteriocin: Enterocin B

Accession: BAC101

Genetics
Gene: entB
Producer and target organisms

Producer Organism: Enterococcus faecium (Streptococcus faecium) [Gram-positive]

Taxonomy: BacteriaFirmicutesLactobacillalesEnterococcaceaeEnterococcus

Target organismsGram_positive: Enterococcus faecalis JCM 5803 (MIC=86.9nM) - Enterococcus faecalis OU510 (MIC=174nM) - Enterococcus faecium TUA 1344L (MIC=43.4nM) - Enterococcus hirae ATCC 10541 (MIC=5.44nM) - Lactobacillus plantarum ATCC 14917 (MIC=86.9nM) - Lactobacillus sakei ssp. sakei JCM 1157 (MIC=5.44nM) - Bacillus coagulans JCM 2257 (MIC=89000nM) - Bacillus subtilis JCM 1465 (MIC=44500nM)

NUCLEOTIDE SEQUENCE, STRAIN=T136
MEDLINE=97388583;PubMed=9245817;
Casaus P., Nilsen T., Cintas L.M., Nes I.F., Hernandez P.E., Holo H.
"Enterocin B, a new bacteriocin from Enterococcus faecium T136 which can act synergistically with enterocin A.", Microbiology 143:0-0(0).
NUCLEOTIDE SEQUENCE, STRAIN=T136
Casaus P., Nielsen T., Cintas L.M., Nes I.F., Hernandez P.E., Holo H.
"", Submitted (FEB-1997) to the EMBL/GenBank/DDBJ databases.
NUCLEOTIDE SEQUENCE, STRAIN=BFE 900
MEDLINE=99240446;PubMed=10224016;
Franz C.M.A.P., Worobo R.W., Quadri L.E.N., Schillinger U., Holzapfel W.H., Vederas J.C., Stiles M.E.
"Atypical genetic locus associated with constitutive production of enterocin B by Enterococcus faecium BFE 900.", Appl. Environ. Microbiol. 65:2170-2178(1999).
NUCLEOTIDE SEQUENCE, STRAIN=KU-B5.
PubMed=20418437;DOI=10.1128/AEM.02264-09
Hu C.-B., Malaphan W., Zendo T., Nakayama J., Sonomoto K.
"Enterocin X, a novel two-peptide bacteriocin from Enterococcus faecium KU-B5, has an antibacterial spectrum entirely different from those of its component peptides.", Appl. Environ. Microbiol. 76:4542-4545(2010).
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End Note
Reference Manager
BibTeX
Gene structure
genome of Enterocin B

Gene idNameDescriptionLocation
BACGene419pepCcysteine aminopeptidase PepCcomplement(1..675)
BACGene420pepCunknown orf17354..494
BACGene421pepCunknown orf16859..1134
BACGene422pepCunknown orf15complement(1098..1259)
BACGene423pepCunknown orf141131..1283
BACGene424pepCunknown orf131765..2394
BACGene425pepCunknown orf122414..2596
BACGene426pepCunknown orf11complement(2508..2882)
BACGene427bglBphospho-beta-glucosidase BglBcomplement(3195..4622)
BACGene428bglSbeta-glucoside specific transport protein enzyme II-Bgl; BglScomplement(4634..6490)
BACGene429bglRtranscription antiterminator BglRcomplement(6483..7328)
BACGene430bglRunknown orf2complement(7677..7847)
BACGene431bglRunknown orf17686..7832
BACGene432bglRunknown orf3complement(7822..8154)
BACGene433bglRunknown orf4complement(8151..8366)
BACGene434entBenterocin B precursor bacteriocin8643..8858
BACGene435eniBenterocin B immunity protein EniBcomplement(8879..9055)
BACGene436eniBunknown orf5complement(9078..9269)
BACGene437eniBinduction factor-like protein orf6complement(9269..9388)
BACGene438eniBunknown orf710416..10637
BACGene439eniBunknown orf810917..11108
BACGene440eniBunknown orf9complement(11428..11571)
BACGene441eniBunknown orf10complement(11776..11949)
pepCpepCpepCpepCpepCpepCpepCpepCbglBbglSbglRbglRbglRbglRbglRentBeniBeniBeniBeniBeniBeniBeniB
Protein sequence
 ........10 ........20 ........30 ........40 ........50 ........60 
          |          |          |          |          |          | 
 ENDHRMPNEL NRPNNLSKGG AKCGAAIAGG LFGIPKGPLA WAAGLANVYS KCN

Wheel representation
wheel representation of Enterocin B
Composition
Hydrophobicity

Composition
Formula C237 H377 N73 O70 S3
Absent amino acids QT
Common amino acids AGN
Mass (Da) 5484.14
Net charge +4
Isoelectric point 9.43
Basic residues 7
Acidic residues 3
Hydrophobic residues 18
Polar residues 20
Aliphatic residues 8
Tiny residues 18
Boman Index -61.76
Hydropathy Index -0.38
Aliphatic Index 72.08
Instability Index 13.58 (stable)
Half Life Mammalian : 1 hour
Yeast : 30 min
E. coli : >10 hour
Extinction Coefficient 7115 M-1 cm-1
Absorbance 280nm 136.83

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