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ENZYME entry: EC 3.2.1.182

Accepted Name
4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside beta-D-glucosidase.
Alternative Name(s)
DIMBOA glucosidase.
DIMBOAGlc hydrolase.
Reaction catalysed
  • (2R)-4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl beta-D-glucopyranoside + H(2)O <=> 2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one + D-glucose
  • (2R)-4-hydroxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl beta-D-glucopyranoside + H(2)O <=> 2,4-dihydroxy-2H-1,4-benzoxazin-3(4H)-one + D-glucose
Comment(s)
  • The enzyme from Triticum aestivum (wheat) has a higher affinity for DIMBOA glucoside than DIBOA glucoside.
  • With Secale cereale (rye) the preference is reversed.
Cross-references
BRENDA3.2.1.182
EC2PDB3.2.1.182
ExplorEnz3.2.1.182
PRIAM enzyme-specific profiles3.2.1.182
KEGG Ligand Database for Enzyme Nomenclature3.2.1.182
IUBMB Enzyme Nomenclature3.2.1.182
IntEnz3.2.1.182
MEDLINEFind literature relating to 3.2.1.182
MetaCyc3.2.1.182
Rhea expert-curated reactions3.2.1.182
UniProtKB/Swiss-Prot
P49235, HGGL1_MAIZE;  Q41761, HGGL2_MAIZE;  Q9FYS3, HGGL_SECCE;  
Q1XIR9, HGL1A_WHEAT;  Q1XH05, HGL1B_WHEAT;  Q1XH04, HGL1C_WHEAT;  
D5MTF8, HGL1D_WHEAT;  

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