IUBMB Enzyme Nomenclature


Accepted name: ABC-type D-xylose transporter

Reaction: ATP + H2O + D-xylose-[xylose-binding protein][side 1] = ADP + phosphate + D-xylose[side 2] + [xylose-binding protein][side 1]

Other name(s): D-xylose transporting ATPase; D-xylose ABC transporter; xylFGH (gene names)

Systematic name: ATP phosphohydrolase (ABC-type, D-xylose-transporting)

Comments: ATP-binding cassette (ABC) type transporter, characterized by the presence of two similar ATP-binding domains/proteins and two integral membrane domains/proteins. A bacterial enzyme that interacts with an extracytoplasmic substrate binding protein and mediates the high affinity uptake of D-xylose.

Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number:


1. Song, S. and Park, C. Organization and regulation of the D-xylose operons in Escherichia coli K-12: XylR acts as a transcriptional activator. J. Bacteriol. 179 (1997) 7025-7032. [PMID: 9371449]

2. Linton, K.J. and Higgins, C.F. The Escherichia coli ATP-binding cassette (ABC) proteins. Mol. Microbiol. 28 (1998) 5-13. [PMID: 9593292]

[EC created 2019]

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