Definition Rhodospirillum rubrum ATCC 11170 chromosome, complete genome.
Accession NC_007643
Length 4,352,825

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The map label for this gene is ibpA [H]

Identifier: 83595084

GI number: 83595084

Start: 4306357

End: 4306905

Strand: Reverse

Name: ibpA [H]

Synonym: Rru_A3755

Alternate gene names: 83595084

Gene position: 4306905-4306357 (Counterclockwise)

Preceding gene: 83595087

Following gene: 83595083

Centisome position: 98.95

GC content: 63.39

Gene sequence:

>549_bases
ATGGCGCCGGACCTGGGCCCACCCCGTCCTTTCGCCCATGTGTGCTCGCTCGACGACCCAAGGAGGAGGACGCAAGTGAC
CCGACTGTCCGTTTTCAACAGTCCGCTGCTGTTAGGCTTTGACCATTTCGAACGCGTGCTCGACCGCGTCGCCAAGACCC
AGGCCGAGGGGTATCCCCCCTATAATATCGAGCAGGTCAGCGAAGTTGGCCTGAGGATCACTCTGGCCGTCGCCGGCTTC
GCCGAATCCGACCTTTCCGTCGCGGTCGAAGACAATCAACTGGTCATTCGCGGACGGCGCCAACAAGACGACGCCGAGCG
GATCTTCCTGCACCGCGGCATCGCCTCGCGGCAGTTTCAACGGGCCTTCGTCCTGGCCGAGGGGATCGAGATCATCGGTG
CCAGCTTGGAGAACGGCCTGCTGCACATCGACCTAGAGCGGCCGATTCCCGAGCCCAAGGTCCGTCATATCCGCATCGAC
GCCAAAGGAAGCGGCGATCCCGCCGACAGCGCCCGTACCATCGACGTTTCCGCCAAAGACCGCGCCTGA

Upstream 100 bases:

>100_bases
TCTCTTATCGCCCCCCGCGCGCCGCCCTGTAACTTGACGCGGGCACCCGCCCAACCGACATAATAGGGGCAAGGTCGGCG
CCCATTTGGGGCCGACCGGC

Downstream 100 bases:

>100_bases
CAATCCACCCGCGCGTCCAACAGACGGCGGGGCGGTCGAACCCAAGGCGATTACCGGGCGTTAGACATCATAACCACCGC
TAGAAACGCCCGAGGATCAA

Product: heat shock protein Hsp20

Products: NA

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

Number of amino acids: Translated: 182; Mature: 181

Protein sequence:

>182_residues
MAPDLGPPRPFAHVCSLDDPRRRTQVTRLSVFNSPLLLGFDHFERVLDRVAKTQAEGYPPYNIEQVSEVGLRITLAVAGF
AESDLSVAVEDNQLVIRGRRQQDDAERIFLHRGIASRQFQRAFVLAEGIEIIGASLENGLLHIDLERPIPEPKVRHIRID
AKGSGDPADSARTIDVSAKDRA

Sequences:

>Translated_182_residues
MAPDLGPPRPFAHVCSLDDPRRRTQVTRLSVFNSPLLLGFDHFERVLDRVAKTQAEGYPPYNIEQVSEVGLRITLAVAGF
AESDLSVAVEDNQLVIRGRRQQDDAERIFLHRGIASRQFQRAFVLAEGIEIIGASLENGLLHIDLERPIPEPKVRHIRID
AKGSGDPADSARTIDVSAKDRA
>Mature_181_residues
APDLGPPRPFAHVCSLDDPRRRTQVTRLSVFNSPLLLGFDHFERVLDRVAKTQAEGYPPYNIEQVSEVGLRITLAVAGFA
ESDLSVAVEDNQLVIRGRRQQDDAERIFLHRGIASRQFQRAFVLAEGIEIIGASLENGLLHIDLERPIPEPKVRHIRIDA
KGSGDPADSARTIDVSAKDRA

Specific function: Associates with aggregated proteins, together with IbpB, 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, GI1790122, Length=123, Percent_Identity=49.5934959349593, Blast_Score=120, Evalue=4e-29,
Organism=Escherichia coli, GI87082316, Length=122, Percent_Identity=42.6229508196721, Blast_Score=103, Evalue=5e-24,

Paralogues:

None

Copy number: NA

Swissprot (AC and ID): NA

Other databases:

- InterPro:   IPR002068
- InterPro:   IPR008978 [H]

Pfam domain/function: PF00011 HSP20 [H]

EC number: NA

Molecular weight: Translated: 20211; Mature: 20080

Theoretical pI: Translated: 6.36; Mature: 6.36

Prosite motif: PS01031 HSP20

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

0.5 %Cys     (Translated Protein)
0.5 %Met     (Translated Protein)
1.1 %Cys+Met (Translated Protein)
0.6 %Cys     (Mature Protein)
0.0 %Met     (Mature Protein)
0.6 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MAPDLGPPRPFAHVCSLDDPRRRTQVTRLSVFNSPLLLGFDHFERVLDRVAKTQAEGYPP
CCCCCCCCCCHHEECCCCCCHHHHHHHHHEECCCCEEECHHHHHHHHHHHHHHHCCCCCC
YNIEQVSEVGLRITLAVAGFAESDLSVAVEDNQLVIRGRRQQDDAERIFLHRGIASRQFQ
CCHHHHHHCCEEEEEEEECCCCCCCEEEEECCEEEEECCCCCCHHHHHHHHCCCHHHHHH
RAFVLAEGIEIIGASLENGLLHIDLERPIPEPKVRHIRIDAKGSGDPADSARTIDVSAKD
HHHHHHHHHHHEECCCCCCEEEEEECCCCCCCCEEEEEEECCCCCCCCCCCEEEEECCCC
RA
CC
>Mature Secondary Structure 
APDLGPPRPFAHVCSLDDPRRRTQVTRLSVFNSPLLLGFDHFERVLDRVAKTQAEGYPP
CCCCCCCCCHHEECCCCCCHHHHHHHHHEECCCCEEECHHHHHHHHHHHHHHHCCCCCC
YNIEQVSEVGLRITLAVAGFAESDLSVAVEDNQLVIRGRRQQDDAERIFLHRGIASRQFQ
CCHHHHHHCCEEEEEEEECCCCCCCEEEEECCEEEEECCCCCCHHHHHHHHCCCHHHHHH
RAFVLAEGIEIIGASLENGLLHIDLERPIPEPKVRHIRIDAKGSGDPADSARTIDVSAKD
HHHHHHHHHHHEECCCCCCEEEEEECCCCCCCCEEEEEEECCCCCCCCCCCEEEEECCCC
RA
CC

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