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Structure paper

TitleStructural features of Aspergillus niger beta-galactosidase define its activity against glycoside linkages.
Journal, issue, pagesFEBS J., Vol. 284, Page 1815-1829, Year 2017
Publish dateFeb 26, 2016 (structure data deposition date)
AuthorsRico-Diaz, A. / Ramirez-Escudero, M. / Vizoso-Vazquez, A. / Cerdan, M.E. / Becerra, M. / Sanz-Aparicio, J.
External linksFEBS J. / PubMed:28391618
MethodsX-ray diffraction
Resolution1.71 - 2.45 Å
Structure data

PDB-5ifp:
STRUCTURE OF BETA-GALACTOSIDASE FROM ASPERGILLUS NIGER
Method: X-RAY DIFFRACTION / Resolution: 1.71 Å

PDB-5ift:
STRUCTURE OF E298Q-BETA-GALACTOSIDASE FROM ASPERGILLUS NIGER IN COMPLEX WITH 3-b-Galactopyranosyl glucose
Method: X-RAY DIFFRACTION / Resolution: 2.45 Å

PDB-5ihr:
STRUCTURE OF E298Q-BETA-GALACTOSIDASE FROM ASPERGILLUS NIGER IN COMPLEX WITH ALLOLACTOSE
Method: X-RAY DIFFRACTION / Resolution: 2.4 Å

PDB-5juv:
STRUCTURE OF E298Q-BETA-GALACTOSIDASE FROM ASPERGILLUS NIGER IN COMPLEX WITH 6-b-Galactopyranosyl galactose
Method: X-RAY DIFFRACTION / Resolution: 2.27 Å

PDB-5mgc:
STRUCTURE OF E298Q-BETA-GALACTOSIDASE FROM ASPERGILLUS NIGER IN COMPLEX WITH 4-Galactosyl-lactose
Method: X-RAY DIFFRACTION / Resolution: 2.3 Å

PDB-5mgd:
STRUCTURE OF E298Q-BETA-GALACTOSIDASE FROM ASPERGILLUS NIGER IN COMPLEX WITH 6-Galactosyl-lactose
Method: X-RAY DIFFRACTION / Resolution: 2.15 Å

Chemicals

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose

ChemComp-SO4:
SULFATE ION

ChemComp-CL:
Unknown entry

ChemComp-BTB:
2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL / pH buffer*YM

ChemComp-GOL:
GLYCEROL

ChemComp-HOH:
WATER

ChemComp-DMS:
DIMETHYL SULFOXIDE / DMSO, precipitant*YM

ChemComp-1PE:
PENTAETHYLENE GLYCOL / precipitant*YM

Source
  • aspergillus niger cbs 513.88 (mold)
KeywordsHYDROLASE / TIM barrel / GH35 / GLYCOSIDE HYDROLASE / KINETICS / PROTEIN CONFORMATION / carbohydrate metabolism / b-galactosidase / Aspergillus niger / fungal protein / SUBSTRATE SPECIFICITY / prebiotics / galactooligosaccharides / GOS / native / wildtype / recombinant / 3-O-beta-D-Galactopyranosyl-D-glucose / 3-b-Galactopyranosyl glucose / 3-Gal-Glu / allolactose / b-D-galactopyranosyl-(1-6)-D-glucopyranose / 6-O-beta-D-Galactopyranosyl-D-galactose / 6-b-Galactopyranosyl galactose / 6-Gal-Gal / 4-O-(4-O-b-D-Galactopyranosyl-b-D-galactopyranosyl)-D-glucopyranose / b-D-Gal-(1-4)-b-D-Gal-(1-4)-D-Glc / 4-Gal-Lac / 4-Galactosyllactose / 6-Gal-Lac / 6-Galactosyllactose

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