Bacteriocin: Lactococcin 972

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Bacteriocin: Lactococcin 972

Accession: BAC188

Classification
Class: Unclassified
Genetics
Gene: lcn972; Synonyms=lclA
Producer and target organisms

Producer Organism: Lactococcus lactis subsp. lactis (Streptococcus lactis) [Gram-positive]

Taxonomy: BacteriaFirmicutesLactobacillalesStreptococcaceaeLactococcus

Target organismsUnavailable data

NUCLEOTIDE SEQUENCE, STRAIN=IPLA 972; PLASMID=pBL1.
MEDLINE=20055640;PubMed=10589723;
Martinez B., Fernandez M., Rodriguez A., Suarez J.E.
"Synthesis of lactococcin 972, a bacteriocin produced by Lactococcus lactis IPLA 972, depends on the expression of a plasmid-encoded bicistronic operon.", Microbiology 145:3155-3161(1999).
NUCLEOTIDE SEQUENCE, STRAIN=IPLA 972; PLASMID=pBL1.
Martinez B.
"", Submitted (AUG-2000) to the EMBL/GenBank/DDBJ databases.
NUCLEOTIDE SEQUENCE, STRAIN=IPLA 972; PLASMID=pBL1.
MEDLINE=20532761;PubMed=11078650;DOI=10.1006/plas.2000.1482
Sanchez C., Hernandez de Rojas A., Martinez B., Arguelles M.E., Suarez J.E., Rodriguez A., Mayo B.
"Nucleotide sequence and analysis of pBL1, a bacteriocin-producing plasmid from Lactococcus lactis IPLA 972.", Plasmid 44:239-249(2000).
STRUCTURE BY NMR OF 26-91, PLASMID=pBL1.
Turner D.L., Lamosa P., Martinez B.
"Structure and properties of lactococcin 972 from Lactococcus lactis.", Submitted (JUL-2011) to the PDB data bank.
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Gene structure
genome of Lactococcin 972

Gene idNameDescriptionLocation
BACGene864hypothetical acetyltransferase ORF01714..1217
BACGene865hypothetical protein ORF042142..3017
BACGene866lclAlactococcin 9723240..3515
BACGene867lclBhypothetical lactococcin 972 immunity protein3571..5517
BACGene868lclBhypothetical ATP binding protein ORF075519..6142
BACGene869lclBtransposase ORF09complement(6641..7321)
BACGene870lclBorfX proteincomplement(7836..8519)
BACGene871repBRepBcomplement(8516..9673)
lclAlclBlclBlclBlclBrepB
Protein sequence
 ........10 ........20 ........30 ........40 ........50 ........60 ........70 
          |          |          |          |          |          |          | 
 EGTWQHGYGV SSAYSNYHHG SKTHSATVVN NNTGRQGKDT QRAGVWAKAT VGRNLTEKAS FYYNFW

Wheel representation
wheel representation of Lactococcin 972
3D Structure
Protein sequence annotations
Features of Lactococcin 972


FeaturePosition(s)LengthDescription
CHAIN1↔6666
lactococcin 972.
Feature identifier = PRO_5000064324.
Composition
Hydrophobicity

Composition
Formula C0 H0 N0 O0 S0
Absent amino acids CIMP
Common amino acids G
Mass (Da) 7
Net charge +8
Isoelectric point 10.07
Basic residues 11
Acidic residues 3
Hydrophobic residues 17
Polar residues 32
Aliphatic residues 6
Tiny residues 20
Boman Index -147.04
Hydropathy Index -0.982
Aliphatic Index 36.97
Instability Index 6.75 (stable)
Half Life Mammalian : 1 hour
Yeast : 30 min
E. coli : >10 hour
Extinction Coefficient 23950 M-1 cm-1
Absorbance 280nm 368.46

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