iolJ [2017-8-11 16:0:3]

2-deoxy-5-keto-gluconic acid-6-phosphate aldolase, formation of dihydroxyacetone phosphate and malonic semialdehyde (6th reaction)

locus: BSU39670

pI: 4.85

mw: 31.22 kDa

protein length: 290 aa

gene length: 870 bp

function: myo-inositol catabolism

product: 2-deoxy-5-keto-gluconic acid-6-phosphate aldolase, formation of dihydroxyacetone phosphate and malonic semialdehyde (6th reaction)

essential: no

ec: 4.1.2.29

synonyms: fbaB, yxdI

Genomic Context

categories

• [category|SW 2|Metabolism] → [category|SW 2.2|Carbon metabolism] → [category|SW 2.2.2|Utilization of specific carbon sources] → [category|SW 2.2.2.16|Utilization of inositol]

Gene

Coordinates: 4,073,081 → 4,073,953

The protein

Catalyzed reaction/ biological activity

• 5-dehydro-2-deoxy-D-gluconate 6-phosphate = glycerone phosphate + malonate semialdehyde (according to Swiss-Prot)

Protein family

• IolJ subfamily (according to Swiss-Prot)

Paralogous protein(s)

• [protein|800EC1F1CA8C4F2A643EDECBB684347C29CAB0CA|FbaA]

Effectors of protein activity

• inhibited by alpha-keto acids [Pubmed|24624]

Expression and Regulation

Operons

• genes: [gene|762718A15E5256261D79DF60F9106AF0CE2D60C6|iolA]-[gene|0903CCBE053230998A9123F3269868E952C0F76B|iolB]-[gene|AAE60753464EAA32379521531FDCAF64534D5F40|iolC]-[gene|AA79B6F039EC5B79F4419A5F358AE5AE8292E731|iolD]-[gene|C31AF6C8050D453D9011B0793403791F1851BA69|iolE]-[gene|14813DE6C6DF7AB031BA05AED7D31AE9E8F8498E|iolF]-[gene|93C1DF93CAFC5AE726523A91A3BA7470017FF6DC|iolG]-[gene|FD64E9D00BB03B510C7F7CA3935558A2195532A9|iolH]-[gene|2742FCE60AA87B2BE5A0B5C34F617E10DDE7F126|iolI]-[gene|1EFB5C8F28146D1EA3B615F548D0CF262D2B4DF5|iolJ]
  description: [Pubmed|9226270]

  sigma factors

  • [protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|9226270], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]

  regulatory mechanism

  • [protein|5F4ABBC8ECAD6F6C10EC39B2B0F0BC73F11522CE|IolR]: repression, [Pubmed|9887260,9226270], in [regulon|5F4ABBC8ECAD6F6C10EC39B2B0F0BC73F11522CE|IolR regulon]
  • [protein|E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|CcpA]: repression, [Pubmed|10666464], in [regulon|E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|CcpA regulon]

  regulation

  • induced by inositol ([protein|search|IolR]) [Pubmed|9887260,9226270]

Biological materials

Mutant

• MGNA-B701 (iolJ::erm), available at the [https://shigen.nig.ac.jp/bsub/resource/strainGeneDisrupted/detail/1700 NBRP B. subtilis, Japan]

Labs working on this gene/protein

• [SW|Yasutaro Fujita], University of Fukuyama, Japan
• [[Ken-ichi Yoshida]], Kobe University, Japan

References

• 9226270,18310071,9887260,18310071