Function and Biology

Structural insights into the redesign of a sucrose phosphorylase by induced loop repositioning

Source organism: Bifidobacterium adolescentis
Biochemical function: glycosyltransferase activity
Biological process: carbohydrate metabolic process
Cellular component: not assigned

EC 2.4.1.7: Sucrose phosphorylase

Reaction catalysed:
Sucrose + phosphate = D-fructose + alpha-D-glucose 1-phosphate
Systematic name:
Sucrose:phosphate alpha-D-glucosyltransferase
Alternative Name(s):
  • Disaccharide glucosyltransferase
  • Sucrose glucosyltransferase

Sequence families

Pfam Protein families (Pfam)
PF09244
Domain description: Sucrose phosphorylase, C-terminal
Occurring in:
  1. Sucrose phosphorylase
The deposited structure of PDB entry 5c8b contains 1 copy of Pfam domain PF09244 (Domain of unknown function (DUF1964)) in Sucrose phosphorylase. Showing 1 copy in chain A [auth B].

PF00128
Domain description: Alpha amylase, catalytic domain
Occurring in:
  1. Sucrose phosphorylase
The deposited structure of PDB entry 5c8b contains 1 copy of Pfam domain PF00128 (Alpha amylase, catalytic domain) in Sucrose phosphorylase. Showing 1 copy in chain A [auth B].

InterPro InterPro annotations
IPR006047
Domain description: Glycosyl hydrolase, family 13, catalytic domain
Occurring in:
  1. Sucrose phosphorylase
IPR022527
Domain description: Sucrose phosphorylase
Occurring in:
  1. Sucrose phosphorylase
IPR015325
Domain description: Sucrose phosphorylase, C-terminal
Occurring in:
  1. Sucrose phosphorylase
IPR045857
Domain description: Oligo-1,6-glucosidase, domain 2
Occurring in:
  1. Sucrose phosphorylase
IPR017853
Domain description: Glycoside hydrolase superfamily
Occurring in:
  1. Sucrose phosphorylase
IPR016377
Domain description: Sucrose/Glucosylglycerate phosphorylase-related
Occurring in:
  1. Sucrose phosphorylase

Structure domains

CATH CATH domains
3.20.20.80
Class: Alpha Beta
Architecture: Alpha-Beta Barrel
Topology: TIM Barrel
Homology: Glycosidases
Occurring in:
  1. Sucrose phosphorylase
The deposited structure of PDB entry 5c8b contains 1 copy of CATH domain 3.20.20.80 (TIM Barrel) in Sucrose phosphorylase. Showing 1 copy in chain A [auth B].
2.20.220.10
Class: Mainly Beta
Architecture: Single Sheet
Topology: Glycosyl hydrolase fold
Homology: alpha-Amylases
Occurring in:
  1. Sucrose phosphorylase
The deposited structure of PDB entry 5c8b contains 1 copy of CATH domain 2.20.220.10 (Glycosyl hydrolase fold) in Sucrose phosphorylase. Showing 1 copy in chain A [auth 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. Sucrose phosphorylase
The deposited structure of PDB entry 5c8b contains 1 copy of CATH domain 3.90.400.10 (Oligo-1,6-glucosidase; domain 2) in Sucrose phosphorylase. Showing 1 copy in chain A [auth B].