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Crystal structure of levansucrase (E342A) complexed with sucrose

Source organism: Bacillus subtilis
Biochemical function: levansucrase activity
Biological process: carbohydrate utilization
Cellular component: extracellular region

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EC 2.4.1.10: Levansucrase

Reaction catalysed:
Sucrose + (6)-beta-D-fructofuranosyl-(2->)(n) alpha-D-glucopyranoside = glucose + (6)-beta-D-fructofuranosyl-(2->)(n+1) alpha-D-glucopyranoside
Systematic name:
Sucrose:(6)-beta-D-fructofuranosyl-(2->)(n) alpha-D-glucopyranoside 6-beta-D-fructosyltransferase
Alternative Name(s):
  • Beta-2,6-fructan:D-glucose 1-fructosyltransferase
  • Beta-2,6-fructosyltransferase
  • Sucrose 6-fructosyltransferase
  • Sucrose:(2->6)-beta-D-fructan 6-beta-D-fructosyltransferase
  • Sucrose:2,6-beta-D-fructan 6-beta-D-fructosyltransferase

GO terms

Sequence family

Pfam Protein family (Pfam)
PF02435
Domain description: Levansucrase/Invertase
Occurring in:
  1. Levansucrase
The deposited structure of PDB entry 1pt2 contains 1 copy of Pfam domain PF02435 (Levansucrase/Invertase) in Levansucrase. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR003469
Domain description: Glycoside hydrolase, family 68
Occurring in:
  1. Levansucrase
IPR023296
Domain description: Glycosyl hydrolase, five-bladed beta-propeller domain superfamily
Occurring in:
  1. Levansucrase

Structure domain

CATH CATH domain
2.115.10.20
Class: Mainly Beta
Architecture: 5 Propeller
Topology: Tachylectin-2; Chain A
Homology: Glycosyl hydrolase domain; family 43
Occurring in:
  1. Levansucrase
The deposited structure of PDB entry 1pt2 contains 1 copy of CATH domain 2.115.10.20 (Tachylectin-2; Chain A) in Levansucrase. Showing 1 copy in chain A.
SCOP SCOP annotation
101881
Class: All beta proteins
Fold: 5-bladed beta-propeller
Superfamily: Arabinanase/levansucrase/invertase
Occurring in:
  1. Levansucrase
The deposited structure of PDB entry 1pt2 contains 1 copy of SCOP domain 101881 (Levansucrase) in Levansucrase. Showing 1 copy in chain A.

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