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The map label for this gene is ibpB [H]

Identifier: 154245975

GI number: 154245975

Start: 2292641

End: 2293066

Strand: Direct

Name: ibpB [H]

Synonym: Xaut_2032

Alternate gene names: 154245975

Gene position: 2292641-2293066 (Clockwise)

Preceding gene: 154245974

Following gene: 154245976

Centisome position: 43.18

GC content: 65.26

Gene sequence:

>426_bases
ATGTCGCGGATGTCTTCGCTGTCGTCCCCGTTTCTCTTGGGGTTCGACGAGGTCGAGCGGGCGCTCGACCGGGTCGCCAA
GAGTGCCGAGGGATATCCTCCCTACAATGTGGAGAGGATCGAAGCCGCCGGCGAGCCGCTGCGCCTCAGGATTACCCTGG
CGGTGGCGGGCTTTACGGCAGAACAGCTGGAAGTCGTCCTCGATGAGAAGGAGCTGACCATCCGGGGCCGCCAGGTCGAG
GATGGCCAGGGTCGCGTATTCCTGCACAGGGGGATCGCAGCCCGGCAGTTCCAGCGCACCTTCGTTCTGGCCGAGGGCAT
GAACGTGCTCGGAGCCGAACTGAAGAACGGGCTGCTCTCGGTGGATCTGGTTCGCCCGGAACCCGCTCGCCACGCCAAGC
GCATCGACATCGTCTCCCGCCCGTGA

Upstream 100 bases:

>100_bases
CCCATATCCGGTCGGTCGGGGTGCCGTAAGGGCCCCGGCGGGCGCGGCCGGACAGGTGCGCGCCCGGCAATGCAAAGTCG
CTTGACGAGGGCTTTGACCG

Downstream 100 bases:

>100_bases
GGGGAGCAGTGCCGCATTGCCCGGAGTGAGGAGTATTGAGATGACACACGACACGGACCACCAGATCACCCCGGCGGAAA
TCACCCCCGAAGCCCTCGCG

Product: heat shock protein Hsp20

Products: NA

Alternate protein names: 16 kDa heat shock protein B [H]

Number of amino acids: Translated: 141; Mature: 140

Protein sequence:

>141_residues
MSRMSSLSSPFLLGFDEVERALDRVAKSAEGYPPYNVERIEAAGEPLRLRITLAVAGFTAEQLEVVLDEKELTIRGRQVE
DGQGRVFLHRGIAARQFQRTFVLAEGMNVLGAELKNGLLSVDLVRPEPARHAKRIDIVSRP

Sequences:

>Translated_141_residues
MSRMSSLSSPFLLGFDEVERALDRVAKSAEGYPPYNVERIEAAGEPLRLRITLAVAGFTAEQLEVVLDEKELTIRGRQVE
DGQGRVFLHRGIAARQFQRTFVLAEGMNVLGAELKNGLLSVDLVRPEPARHAKRIDIVSRP
>Mature_140_residues
SRMSSLSSPFLLGFDEVERALDRVAKSAEGYPPYNVERIEAAGEPLRLRITLAVAGFTAEQLEVVLDEKELTIRGRQVED
GQGRVFLHRGIAARQFQRTFVLAEGMNVLGAELKNGLLSVDLVRPEPARHAKRIDIVSRP

Specific function: Associates with aggregated proteins, together with IbpA, to stabilize and protect them from irreversible denaturation and extensive proteolysis during heat shock and oxidative stress. Aggregated proteins bound to the IbpAB complex are more efficiently ref

COG id: COG0071

COG function: function code O; Molecular chaperone (small heat shock protein)

Gene ontology:

Cell location: Cytoplasm [H]

Metaboloic importance: Non_Essential [C]

Operon status: Not Known

Operon components: None

Similarity: Belongs to the small heat shock protein (HSP20) family [H]

Homologues:

Organism=Escherichia coli, GI87082316, Length=131, Percent_Identity=39.6946564885496, Blast_Score=95, Evalue=2e-21,
Organism=Escherichia coli, GI1790122, Length=127, Percent_Identity=40.9448818897638, Blast_Score=93, Evalue=6e-21,

Paralogues:

None

Copy number: 686 Molecules/Cell In: Growth Phase, Glucose-minimal MOPS Media. [C]

Swissprot (AC and ID): NA

Other databases:

- InterPro:   IPR002068
- InterPro:   IPR008978
- InterPro:   IPR022848 [H]

Pfam domain/function: PF00011 HSP20 [H]

EC number: NA

Molecular weight: Translated: 15683; Mature: 15552

Theoretical pI: Translated: 7.70; Mature: 7.70

Prosite motif: PS01031 HSP20

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

0.0 %Cys     (Translated Protein)
2.1 %Met     (Translated Protein)
2.1 %Cys+Met (Translated Protein)
0.0 %Cys     (Mature Protein)
1.4 %Met     (Mature Protein)
1.4 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MSRMSSLSSPFLLGFDEVERALDRVAKSAEGYPPYNVERIEAAGEPLRLRITLAVAGFTA
CCCCCCCCCCEEECHHHHHHHHHHHHHHCCCCCCCCCEEEECCCCCEEEEEEEEEECCCH
EQLEVVLDEKELTIRGRQVEDGQGRVFLHRGIAARQFQRTFVLAEGMNVLGAELKNGLLS
HHHHEEECCCEEEEECCEEECCCCEEEEECCCHHHHHHHHHHHHCCCHHHHHHHCCCEEE
VDLVRPEPARHAKRIDIVSRP
EEEECCCCHHHHHEEEECCCC
>Mature Secondary Structure 
SRMSSLSSPFLLGFDEVERALDRVAKSAEGYPPYNVERIEAAGEPLRLRITLAVAGFTA
CCCCCCCCCEEECHHHHHHHHHHHHHHCCCCCCCCCEEEECCCCCEEEEEEEEEECCCH
EQLEVVLDEKELTIRGRQVEDGQGRVFLHRGIAARQFQRTFVLAEGMNVLGAELKNGLLS
HHHHEEECCCEEEEECCEEECCCCEEEEECCCHHHHHHHHHHHHCCCHHHHHHHCCCEEE
VDLVRPEPARHAKRIDIVSRP
EEEECCCCHHHHHEEEECCCC

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: NA

Specific reaction: NA

General reaction: NA

Inhibitor: NA

Structure determination priority: 10.0

TargetDB status: NA

Availability: NA

References: NA