NP_417918
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NCBI GenBank Nucleotide #
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UniProt Primary Accession #
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UniProt Secondary Accession #
NCBI Official Full Name
RNA polymerase, sigma 32 (sigma H) factor
NCBI Official Synonym Symbols
ECK3445; fam; hin; htpR; JW3426 [Similar Products]
NCBI Protein Information
RNA polymerase, sigma 32 (sigma H) factor
UniProt Protein Name
RNA polymerase sigma-32 factor
UniProt Synonym Protein Names
Heat shock regulatory protein F33.4
UniProt Synonym Gene Names
UniProt Entry Name
RP32_ECOLI
NCBI Summary for Sigma 32
RpoH is phosphorylated at Tyr-260, in HTH DNA-binding region 4.2, attenuating activity. de-phosphorylated by Etp. rpoH can be deleted, but null mutants do not grow above 20C (Zhou, 1988). [More information is available at EcoGene: EG10897]. Sigma 32 is the primary sigma factor controlling the heat shock response during log-phase growth. [More information is available at EcoCyc: EG10897].
UniProt Comments for Sigma 32
Function: Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor is responsible for the expression of heat shock promoters.
Sequence similarities: Belongs to the sigma-70 factor family. Sigma-32 subfamily.
Research Articles on Sigma 32
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