xylR [Mon Aug 31 2015 13:54:30 GMT+0200 (CEST)]

transcriptional repressor of the xylA-xylB and xynP-xynB operons

locus: BSU17590

pI: 5.82

mw: 38.00 kDa

function: regulation of xylan and xylose utilization

product: transcriptional repressor

essential: no

synonyms

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 2.2.2.5|Utilization of xylan/ xylose]
• [category|SW 3|Information processing] → [category|SW 3.4|Regulation of gene expression] → [category|SW 3.4.2|Transcription factors and their control] → [category|SW 3.4.2.5|Transcription factors/ other]

[SW|Categories] containing this gene/protein

• [SW|utilization of specific carbon sources], [SW|transcription factors and their control]

The protein

Catalyzed reaction/ biological activity

• transcription repression of the ''[protein|search|xylA]-[protein|search|xylB]'' and the ''[protein|search|xynP]-[protein|search|xynB]'' operons

Protein family

• ROK (nagC/xylR) family (according to Swiss-Prot)

Paralogous protein(s)

• [protein|search|GlcK]

Effectors of protein activity

• inducer: xylose

Expression and Regulation

Operon

• ''xylR'' (according to [http://dbtbs.hgc.jp/COG/prom/xylR.html DBTBS])

Biological materials

Mutant

• GP270 (erm), GP1302 (aphA3), available in the [SW|Stülke] lab

Labs working on this gene/protein

• [SW|Wolfgang Hillen], Erlangen University, Germany [http://www.biologie.uni-erlangen.de/mibi/index2.html Homepage]

References

• 7559331,7966270,25777134,7952186,8319885,2544559,1588910