Bacteriocin: Durancin Q
Accession: BAC160
Classification
Class: Unclassified
Genetics
Gene: duqQ
Producer and target organisms
Producer Organism: Enterococcus durans [Gram-positive]
Taxonomy: Bacteria
FirmicutesLactobacillalesEnterococcaceaeEnterococcus
Target organismsUnavailable data
Uniprot and PDB links
UniProt Entry: B5BP43
PDB EntryUnknown
[Ref. 1]
NUCLEOTIDE SEQUENCE.STRAIN=QU 21
Hu C., Zendo T., Nakayama J., Sonomoto K.
"Purification and genetic characterization of bacteriocins produced by Enterococcus durans QU 21.", Submitted (MAR-2007) to the EMBL/GenBank/DDBJ database
Hu C., Zendo T., Nakayama J., Sonomoto K.
"Purification and genetic characterization of bacteriocins produced by Enterococcus durans QU 21.", Submitted (MAR-2007) to the EMBL/GenBank/DDBJ database
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Gene structure
| Gene id | Name | Description | Location |
| BACGene742 | cda | CDA cytosine deaminase cytosine deaminase homologue | complement(1..407) |
| BACGene743 | duqI | DuqI immunity protein of durancin Q | 571..816 |
| BACGene744 | duqQ | prepeptide of durancin Q DuqQ; non-pediocin-like Class II bacteriocin with double-glycine type leadersequence | complement(1008..1226) |
| BACGene745 | duqF | DuqF prepeptide of durancin Q inducing peptide with double-glycine type leadersequence | 1456..1581 |
| BACGene746 | duqK | DuqK putative; histidine protein kinase homologue | 1624..2919 |
| BACGene747 | duqR | DuqR putative; response regulator homologue | 2930..3676 |
| BACGene748 | duqR | Dx Dx region; no putative RBS; simlar with C-terminal part of accessory protein ofbacteriocin-related ABC transporter system | 3868..4518 |
| BACGene749 | ims | IMS ImpB/MucB/SamB family protein putative; ImpB/MucB/SamB family protein | 4776..5118 |
Protein sequence
| ........10 ........20 ........30 ........40 ........50 ........60 ........70 ........80 | | | | | | | | MQTIKELNTM ELQEIIGGEN DHRMPYELNR PNNLSKGGAK CAAGILGAGL GAVGGGPGGF ISAGISAVLG CM |
warming sequence of prepeptide
Wheel representation
Composition
Hydrophobicity
Composition
| Formula | C310
H510
N90
O98
S6 |
| Absent amino acids | W |
| Common amino acids | G |
| Mass (Da) | 7277.62 |
| Net charge | 0 |
| Isoelectric point | 5.71 |
| Basic residues | 6 |
| Acidic residues | 6 |
| Hydrophobic residues | 23 |
| Polar residues | 28 |
| Aliphatic residues | 15 |
| Tiny residues | 25 |
| Boman Index | -39.93 |
| Hydropathy Index | 0.07 |
| Aliphatic Index | 88.19 |
| Instability Index | 30.53 (stable) |
| Half Life |
Mammalian : 30 hour Yeast : >20 hour E. coli : >10 hour |
| Extinction Coefficient | 1490 M-1 cm-1 |
| Absorbance 280nm | 22.75 |
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