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The Structure of Wild-type MalL from Bacillus subtilis

Source organism: Bacillus subtilis subsp. subtilis str. 168
Biochemical function: metal ion binding
Biological process: oligosaccharide catabolic process
Cellular component: cytoplasm

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EC 3.2.1.10: Oligo-1,6-glucosidase

Reaction catalysed:
Hydrolysis of (1->6)-alpha-D-glucosidic linkages in some oligosaccharides produced from starch and glycogen by alpha-amylase, and in isomaltose.
Systematic name:
Oligosaccharide alpha-1,6-glucohydrolase
Alternative Name(s):
  • Alpha-limit dextrinase
  • Alpha-methylglucosidase
  • Dextrin 6-alpha-glucanohydrolase
  • Dextrin 6-glucanohydrolase
  • Exo-oligo-1,6-glucosidase
  • Isomaltase
  • Limit dextrinase (erroneous)
  • Oligosaccharide alpha-1,6-glucosidase
  • Sucrase-isomaltase

GO terms

Sequence families

Pfam Protein families (Pfam)
PF16657
Domain description: Maltogenic Amylase, C-terminal domain
Occurring in:
  1. Oligo-1,6-glucosidase 1
The deposited structure of PDB entry 4m56 contains 2 copies of Pfam domain PF16657 (Maltogenic Amylase, C-terminal domain) in Oligo-1,6-glucosidase 1. Showing 1 copy in chain B.

PF00128
Domain description: Alpha amylase, catalytic domain
Occurring in:
  1. Oligo-1,6-glucosidase 1
The deposited structure of PDB entry 4m56 contains 2 copies of Pfam domain PF00128 (Alpha amylase, catalytic domain) in Oligo-1,6-glucosidase 1. Showing 1 copy in chain B.

InterPro InterPro annotations
IPR006047
Domain description: Glycosyl hydrolase, family 13, catalytic domain
Occurring in:
  1. Oligo-1,6-glucosidase 1
IPR013780
Domain description: Glycosyl hydrolase, all-beta
Occurring in:
  1. Oligo-1,6-glucosidase 1
IPR032091
Domain description: Maltogenic Amylase, C-terminal
Occurring in:
  1. Oligo-1,6-glucosidase 1
IPR045857
Domain description: Oligo-1,6-glucosidase, domain 2
Occurring in:
  1. Oligo-1,6-glucosidase 1
IPR017853
Domain description: Glycoside hydrolase superfamily
Occurring in:
  1. Oligo-1,6-glucosidase 1

Structure domains

CATH CATH domains
3.20.20.80
Class: Alpha Beta
Architecture: Alpha-Beta Barrel
Topology: TIM Barrel
Homology: Glycosidases
Occurring in:
  1. Oligo-1,6-glucosidase 1
The deposited structure of PDB entry 4m56 contains 2 copies of CATH domain 3.20.20.80 (TIM Barrel) in Oligo-1,6-glucosidase 1. Showing 1 copy in chain B.
2.60.40.1180
Class: Mainly Beta
Architecture: Sandwich
Topology: Immunoglobulin-like
Homology: Golgi alpha-mannosidase II
Occurring in:
  1. Oligo-1,6-glucosidase 1
The deposited structure of PDB entry 4m56 contains 2 copies of CATH domain 2.60.40.1180 (Immunoglobulin-like) in Oligo-1,6-glucosidase 1. Showing 1 copy in chain B.
3.90.400.10
Class: Alpha Beta
Architecture: Alpha-Beta Complex
Topology: Oligo-1,6-glucosidase; domain 2
Homology: Oligo-1,6-glucosidase; Domain 2
Occurring in:
  1. Oligo-1,6-glucosidase 1
The deposited structure of PDB entry 4m56 contains 2 copies of CATH domain 3.90.400.10 (Oligo-1,6-glucosidase; domain 2) in Oligo-1,6-glucosidase 1. Showing 1 copy in chain B.

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