Bacteriocin: Leucocin-B (Leucocin B-Ta11a)

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Bacteriocin: Leucocin-B (Leucocin B-Ta11a)

Accession: BAC059

Classification
Genetics
Gene: Unidentified
Producer and target organisms
Description
Mode of action:
heat stable bacteriocin.
Uniprot and PDB links

UniProt Entry: Q53446

PDB EntryUnknown

NUCLEOTIDE SEQUENCE [GENOMIC DNA], STRAIN=Ta11a
MEDLINE=95038272;PubMed=7765496;
Felix J.V., Papathanasopoulos M.A., Smith A.A., von Holy A., Hastings J.W.
"Characterization of leucocin B-Ta11a: a bacteriocin from Leuconostoc carnosum Ta11a isolated from meat.", Curr. Microbiol. 29:207-212(1994).
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End Note
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Gene structure
genome of Leucocin-B  (Leucocin B-Ta11a)

Gene idNameDescriptionLocation
BACGene218leucocin B-Ta11a bacteriocin; precursor203..388
BACGene219putative immunity protein similar to leucocin A-UAL 187408..749
Protein sequence
 ........10 ........20 ........30 ........40 
          |          |          |          | 
 KYYGNGVHCT KSGCSVNWGE AFSAGVHRLA NGGNGFW

Wheel representation
wheel representation of Leucocin-B  (Leucocin B-Ta11a)
Protein sequence annotations
Features of Leucocin-B  (Leucocin B-Ta11a)


FeaturePosition(s)LengthDescription
CHAIN1↔3737
Bacteriocin leucocin-B.
Feature identifier = PRO_0000002741.
DISULFID9↔146By similarity.
Composition
Hydrophobicity

Composition
Formula C174 H248 N52 O50 S2
Absent amino acids DIMPQ
Common amino acids G
Mass (Da) 3950.93
Net charge +4
Isoelectric point 8.77
Basic residues 5
Acidic residues 1
Hydrophobic residues 11
Polar residues 20
Aliphatic residues 4
Tiny residues 14
Boman Index -38.59
Hydropathy Index -0.39
Aliphatic Index 42.16
Instability Index -1.5 (stable)
Half Life Mammalian : 1.3 hour
Yeast : 3 min
E. coli : 2 min
Extinction Coefficient 14105 M-1 cm-1
Absorbance 280nm 391.81

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