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The map label for this gene is chpB [H]

Identifier: 66044145

GI number: 66044145

Start: 1011768

End: 1012115

Strand: Direct

Name: chpB [H]

Synonym: Psyr_0890

Alternate gene names: 66044145

Gene position: 1011768-1012115 (Clockwise)

Preceding gene: 66044144

Following gene: 66044148

Centisome position: 16.6

GC content: 53.16

Gene sequence:

>348_bases
TTGAAACGGGTTAAATTCAACCGGTCGGATATTGTGCGACTGAACCTGAATCCAACCGCAGGCCGTGAACAACAGGGCGA
TTTTCGTCCAGCGTTGATTCTGACGCCTGCGGCTTATAACGCATCGGGCCTTGTAATTATTGTACCCATCACGCAGGGCG
GCGACTTCGCTCGGTATGCCGGTTTCGCGGTGCCTTTAAGCGGTTCAGGTACCGAAACGCAGGGTGTCGTTCTTTGCAAC
CAGATTCGAACCGTTGACCTTGAGGCTCGTGGCGCAAAGCGTGTTGAGTCAGTTCCCGAGATGATAATCGACGATGTGCT
GGCTCGCGTTCAAGCCCTTTTTGAATAG

Upstream 100 bases:

>100_bases
ATTATCGATTGGCTGACTTGATGGCAAAATGTGATTTGAGCGCGCCTGAACCCACAGAATTGGCCGAATGGAACGCCATG
CAGCCAATTGGACGTGAGGT

Downstream 100 bases:

>100_bases
CAGGTTCTGCTAGTTGCCTGGCTCCTCAATCTGCTCGCAGCCGTTTTTCAAATCCCGAAAAACGGCTGCATCATCCGCGC
CAGCAGCCCCTGAAAACGCA

Product: toxin ChpB

Products: NA

Alternate protein names: Endoribonuclease ChpB; Toxin ChpB [H]

Number of amino acids: Translated: 115; Mature: 115

Protein sequence:

>115_residues
MKRVKFNRSDIVRLNLNPTAGREQQGDFRPALILTPAAYNASGLVIIVPITQGGDFARYAGFAVPLSGSGTETQGVVLCN
QIRTVDLEARGAKRVESVPEMIIDDVLARVQALFE

Sequences:

>Translated_115_residues
MKRVKFNRSDIVRLNLNPTAGREQQGDFRPALILTPAAYNASGLVIIVPITQGGDFARYAGFAVPLSGSGTETQGVVLCN
QIRTVDLEARGAKRVESVPEMIIDDVLARVQALFE
>Mature_115_residues
MKRVKFNRSDIVRLNLNPTAGREQQGDFRPALILTPAAYNASGLVIIVPITQGGDFARYAGFAVPLSGSGTETQGVVLCN
QIRTVDLEARGAKRVESVPEMIIDDVLARVQALFE

Specific function: Part of a toxin-antitoxin (TA) module. ChpB is a sequence-specific mRNA and (weak) tmRNA endoribonuclease that inhibits protein synthesis and induces bacterial stasis. Cleavage is independent of the ribosome. Cleavage occurs at ACY sequences where Y is no

COG id: COG2337

COG function: function code T; Growth inhibitor

Gene ontology:

Cell location: Cytoplasm [C]

Metaboloic importance: Non_Essential [C]

Operon status: Not Known

Operon components: None

Similarity: Belongs to the PemK/MazF family [H]

Homologues:

Organism=Escherichia coli, GI1790672, Length=115, Percent_Identity=47.8260869565217, Blast_Score=119, Evalue=4e-29,

Paralogues:

None

Copy number: NA

Swissprot (AC and ID): NA

Other databases:

- InterPro:   IPR003477
- InterPro:   IPR011067 [H]

Pfam domain/function: PF02452 PemK [H]

EC number: NA

Molecular weight: Translated: 12472; Mature: 12472

Theoretical pI: Translated: 8.49; Mature: 8.49

Prosite motif: NA

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

0.9 %Cys     (Translated Protein)
1.7 %Met     (Translated Protein)
2.6 %Cys+Met (Translated Protein)
0.9 %Cys     (Mature Protein)
1.7 %Met     (Mature Protein)
2.6 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MKRVKFNRSDIVRLNLNPTAGREQQGDFRPALILTPAAYNASGLVIIVPITQGGDFARYA
CCCCCCCCCCEEEEECCCCCCCCCCCCCCCEEEEECCCCCCCCEEEEEEECCCCCCHHHC
GFAVPLSGSGTETQGVVLCNQIRTVDLEARGAKRVESVPEMIIDDVLARVQALFE
CEEEEECCCCCCCCCEEEECCEEEEEECCCCCHHHHHHHHHHHHHHHHHHHHHCC
>Mature Secondary Structure
MKRVKFNRSDIVRLNLNPTAGREQQGDFRPALILTPAAYNASGLVIIVPITQGGDFARYA
CCCCCCCCCCEEEEECCCCCCCCCCCCCCCEEEEECCCCCCCCEEEEEEECCCCCCHHHC
GFAVPLSGSGTETQGVVLCNQIRTVDLEARGAKRVESVPEMIIDDVLARVQALFE
CEEEEECCCCCCCCCEEEECCEEEEEECCCCCHHHHHHHHHHHHHHHHHHHHHCC

PDB accession: NA

Resolution: NA

Structure class: Alpha Beta

Cofactors: NA

Metal ions: NA

Kcat value (1/min): NA

Specific activity: NA

Km value (mM): NA

Substrates: DNA [C]

Specific reaction: Protein + DNA = Protein-DNA [C]

General reaction: NA

Inhibitor: NA

Structure determination priority: 10.0

TargetDB status: NA

Availability: NA

References: 8226627; 7610040; 9278503; 3525538; 2848015; 8083180 [H]