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ENZYME entry: EC 3.2.1.196

Accepted Name
Limit dextrin alpha-1,6-maltotetraose-hydrolase.
Alternative Name(s)
Glycogen debranching enzyme.
Reaction catalysed
Hydrolysis of (1->6)-alpha-D-glucosidic linkages to branches with degrees of polymerization of three or four glucose residues in limit dextrin
Comment(s)
  • This bacterial enzyme catalyzes a reaction similar to EC 3.2.1.33.
  • However, while EC 3.2.1.33 removes single glucose residues linked by 1,6-alpha-linkage, and thus requires the additional activity of EC 2.4.1.25 to act on limit dextrins formed by EC 2.4.1.1, this enzyme removes maltotriose and maltotetraose chains that are attached by 1,6-alpha-linkage to the limit dextrin main chain, generating a debranched limit dextrin without a need for another enzyme.
Cross-references
BRENDA3.2.1.196
EC2PDB3.2.1.196
ExplorEnz3.2.1.196
PRIAM enzyme-specific profiles3.2.1.196
KEGG Ligand Database for Enzyme Nomenclature3.2.1.196
IUBMB Enzyme Nomenclature3.2.1.196
IntEnz3.2.1.196
MEDLINEFind literature relating to 3.2.1.196
MetaCyc3.2.1.196
UniProtKB/Swiss-Prot
A8AQY2, GLGX_CITK8;  A7MGF3, GLGX_CROS8;  Q8KR69, GLGX_DICCH;  
A7ZSW4, GLGX_ECO24;  B7UKY8, GLGX_ECO27;  B7MDR6, GLGX_ECO45;  
B7L4W3, GLGX_ECO55;  Q8X6X8, GLGX_ECO57;  B5YUI7, GLGX_ECO5E;  
B7NMJ6, GLGX_ECO7I;  B7N1M3, GLGX_ECO81;  B7M2J4, GLGX_ECO8A;  
C4ZVY1, GLGX_ECOBW;  B1X776, GLGX_ECODH;  A8A5P1, GLGX_ECOHS;  
A1AGW4, GLGX_ECOK1;  Q0TC28, GLGX_ECOL5;  Q8FCR8, GLGX_ECOL6;  
B1IP33, GLGX_ECOLC;  P15067, GLGX_ECOLI;  B7NE41, GLGX_ECOLU;  
B6I2Z7, GLGX_ECOSE;  B1LI92, GLGX_ECOSM;  Q1R5J5, GLGX_ECOUT;  
A4WFL4, GLGX_ENT38;  B2VJR7, GLGX_ERWT9;  B7LSE2, GLGX_ESCF3;  
B5XTQ8, GLGX_KLEP3;  A6TF50, GLGX_KLEP7;  Q6CZK1, GLGX_PECAS;  
C6DH78, GLGX_PECCP;  B5F8Q3, GLGX_SALA4;  Q57IT9, GLGX_SALCH;  
B5FKF6, GLGX_SALDC;  B5R396, GLGX_SALEP;  B5R7H8, GLGX_SALG2;  
B4T869, GLGX_SALHS;  B4SVN4, GLGX_SALNS;  Q5PM07, GLGX_SALPA;  
A9MTV3, GLGX_SALPB;  C0Q0L1, GLGX_SALPC;  B5BHI1, GLGX_SALPK;  
B4TY88, GLGX_SALSV;  Q8Z234, GLGX_SALTI;  Q8ZLG6, GLGX_SALTY;  
A8GKU9, GLGX_SERP5;  B2U4G1, GLGX_SHIB3;  Q31VJ2, GLGX_SHIBS;  
Q32AV4, GLGX_SHIDS;  Q0SZN3, GLGX_SHIF8;  Q83J89, GLGX_SHIFL;  
Q3YW94, GLGX_SHISS;  A1JSI8, GLGX_YERE8;  A7FNX4, GLGX_YERP3;  
Q1C1E0, GLGX_YERPA;  B2K6G0, GLGX_YERPB;  Q8ZA76, GLGX_YERPE;  
A9R5L9, GLGX_YERPG;  Q1CDL4, GLGX_YERPN;  A4TQV1, GLGX_YERPP;  
Q664I3, GLGX_YERPS;  B1JHX8, GLGX_YERPY;  

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All UniProtKB/Swiss-Prot entries referenced in this entry, with possibility to download in different formats, align etc.
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.2.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.2.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.-.-.-