KEGG   ENZYME: 4.2.2.24
Entry
EC 4.2.2.24                 Enzyme                                 
Name
rhamnogalacturonan exolyase;
YesX
Class
Lyases;
Carbon-oxygen lyases;
Acting on polysaccharides
Sysname
alpha-L-rhamnopyranosyl-(1->4)-alpha-D-galactopyranosyluronate exolyase
Reaction(IUBMB)
Exotype eliminative cleavage of alpha-L-rhamnopyranosyl-(1->4)-alpha-D-galactopyranosyluronic acid bonds of rhamnogalacturonan I oligosaccharides containing alpha-L-rhamnopyranose at the reducing end and 4-deoxy-4,5-unsaturated D-galactopyranosyluronic acid at the non-reducing end. The products are the disaccharide 2-O-(4-deoxy-beta-L-threo-hex-4-enopyranuronosyl)-alpha-L-rhamnopyranose and the shortened rhamnogalacturonan oligosaccharide containing one 4-deoxy-4,5-unsaturated D-galactopyranosyluronic acid at the non-reducing end.
Comment
The enzyme is part of the degradation system for rhamnogalacturonan I in Bacillus subtilis strain 168.
History
EC 4.2.2.24 created 2011
Orthology
K18198  rhamnogalacturonan exolyase
Genes
BSUBSU07060(yesX)
BSRI33_0797
BSLA7A1_1750
BSHBSU6051_07060(yesX)
BSYI653_03565
BSUTBSUB_00779(yesX)
BSULBSUA_00779(yesX)
BSUSQ433_03975
BSOBSNT_07087(yesX)
BSNBSn5_15430
BSQB657_07060(yesX)
BSXC663_0733
BSPU712_03565
BSSBSUW23_03600(yesX)
BSTGYO_0966
BITBIS30_14155
BLIBL03783(yesX)
BLDBLi01379(yesX)
BLHBaLi_c15200(yesX)
BAEBATR1942_01115
BHTDIC78_06265
BMOJHC660_07530(rhgX)
BIQAN935_03715
BSTRQI003_03920(rhgX)
BCABEFK13_04085(rhgX)
BRYM0696_04065(rhgX)
BJSMY9_0798
BACYQF06_02435
BACLBS34A_08050(yesX)
BALMBsLM_0745
NTXNQZ71_11850
BGIBGM20_18695
TAIDKS242_04300
GCSMUN88_11025
GSMMUN87_07755
NDTL1999_06535 L1999_06585
PSUAFLK61_23405
DOMRRU94_12320
PMAHPTQ21_10355
PPOGQPK24_13330
PPABKET34_05660
ACELacsn021_37650
RGNRGna_08435
SHARHUT13_05495
SMAOCAG99_12825 CAG99_19915
MPRTET475_03205
ROEQ0F99_06255
PDELJCQ34_16920
POKSMD14_18105
BRHANLU66_04695
NEXNE857_14600
NCXNocox_25335(yesX)
NFSOIE67_17180
CROSN8J89_25280
ASICQ0Z83_016800(rhgX) Q0Z83_026360
PFLAPflav_038730
CATICS0771_44990
GLYK3N28_01355
HAADMW046_14770
HSALJMJ58_22740 JMJ58_22745 JMJ58_22750 JMJ58_22755
 » show all
Reference
1  [PMID:19193638]
  Authors
Ochiai A, Itoh T, Mikami B, Hashimoto W, Murata K
  Title
Structural determinants responsible for substrate recognition and mode of action  in family 11 polysaccharide lyases.
  Journal
J Biol Chem 284:10181-9 (2009)
DOI:10.1074/jbc.M807799200
  Sequence
[bsu:BSU07060]
Reference
2  [PMID:17449691]
  Authors
Ochiai A, Itoh T, Kawamata A, Hashimoto W, Murata K
  Title
Plant cell wall degradation by saprophytic Bacillus subtilis strains: gene clusters responsible for rhamnogalacturonan depolymerization.
  Journal
Appl Environ Microbiol 73:3803-13 (2007)
DOI:10.1128/AEM.00147-07
  Sequence
[bsu:BSU07060]
Other DBs
ExplorEnz - The Enzyme Database: 4.2.2.24
IUBMB Enzyme Nomenclature: 4.2.2.24
ExPASy - ENZYME nomenclature database: 4.2.2.24
BRENDA, the Enzyme Database: 4.2.2.24

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