Unsaturated rhamnogalacturonyl hydrolase

Unsaturated rhamnogalacturonyl hydrolase
Identifiers
EC number 3.2.1.172
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum

Unsaturated rhamnogalacturonyl hydrolase (EC 3.2.1.172, YteR, YesR) is an enzyme with systematic name 2-O-(4-deoxy-beta-L-threo-hex-4-enopyranuronosyl)-alpha-L-rhamnopyranose hydrolase.[1][2][3] This enzyme catalyses the following chemical reaction

2-O-(4-deoxy-beta-L-threo-hex-4-enopyranuronosyl)-alpha-L-rhamnopyranose + H2O 5-dehydro-4-deoxy-D-glucuronate + L-rhamnopyranose

The enzyme is part of the degradation system for rhamnogalacturonan I in Bacillus subtilis strain 168.

References

  1. ↑ Itoh, T.; Ochiai, A.; Mikami, B.; Hashimoto, W.; Murata, K. (2006). "A novel glycoside hydrolase family 105: the structure of family 105 unsaturated rhamnogalacturonyl hydrolase complexed with a disaccharide in comparison with family 88 enzyme complexed with the disaccharide". J. Mol. Biol. 360: 573–585. doi:10.1016/j.jmb.2006.04.047. PMID 16781735.
  2. ↑ Zhang, R.; Minh, T.; Lezondra, L.; Korolev, S.; Moy, S.F.; Collart, F.; Joachimiak, A. (2005). "1.6 Å crystal structure of YteR protein from Bacillus subtilis, a predicted lyase". Proteins. 60: 561–565. doi:10.1002/prot.20410. PMC 2792013. PMID 15906318.
  3. ↑ Itoh, T.; Ochiai, A.; Mikami, B.; Hashimoto, W.; Murata, K. (2006). "Structure of unsaturated rhamnogalacturonyl hydrolase complexed with substrate". Biochem. Biophys. Res. Commun. 347: 1021–1029. doi:10.1016/j.bbrc.2006.07.034. PMID 16870154.
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