HxlB

• Description: 6-phospho-3-hexuloisomerase
  
  

Gene name	hxlB
Synonyms	yckF
Essential	no
Product	6-phospho-3-hexuloisomerase
Function	ribulose monophosphate pathway for formaldehyde fixation
MW, pI	19 kDa, 5.791
Gene length, protein length	555 bp, 185 aa
Immediate neighbours	tlpC, hxlA
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

resistance against oxidative and electrophile stress

This gene is a member of the following regulons

HxlR regulon

The gene

Basic information

• Locus tag: BSU03450

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: D-arabino-hex-3-ulose 6-phosphate = D-fructose 6-phosphate (according to Swiss-Prot)

• Protein family: PHI subfamily (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure: 1VIV

• UniProt: P42404

• KEGG entry: [3]

• E.C. number: 5.3.1.27

Expression and regulation

• Operon: hxlA-hxlB PubMed

• Expression browser: hxlB PubMed

• Sigma factor:

• Regulation: induction by formaldehyde (HxlR) PubMed

• Regulatory mechanism: transcription activation by HxlR PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Thi Thu Huyen Nguyen, Warawan Eiamphungporn, Ulrike Mäder, Manuel Liebeke, Michael Lalk, Michael Hecker, John D Helmann, Haike Antelmann
Genome-wide responses to carbonyl electrophiles in Bacillus subtilis: control of the thiol-dependent formaldehyde dehydrogenase AdhA and cysteine proteinase YraA by the MerR-family regulator YraB (AdhR).
Mol Microbiol: 2009, 71(4);876-94
[PubMed:19170879] [WorldCat.org] [DOI] (I p)

Nobuo Kato, Hiroya Yurimoto, Rudolf K Thauer
The physiological role of the ribulose monophosphate pathway in bacteria and archaea.
Biosci Biotechnol Biochem: 2006, 70(1);10-21
[PubMed:16428816] [WorldCat.org] [DOI] (P p)

E J Taylor, S J Charnock, J Colby, G J Davies, G W Black
Cloning, purification and characterization of the 6-phospho-3-hexulose isomerase YckF from Bacillus subtilis.
Acta Crystallogr D Biol Crystallogr: 2001, 57(Pt 8);1138-40
[PubMed:11468398] [WorldCat.org] [DOI] (P p)

H Yasueda, Y Kawahara, S Sugimoto
Bacillus subtilis yckG and yckF encode two key enzymes of the ribulose monophosphate pathway used by methylotrophs, and yckH is required for their expression.
J Bacteriol: 1999, 181(23);7154-60
[PubMed:10572115] [WorldCat.org] [DOI] (P p)