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TitleSubstrate recognition mode of a glycoside hydrolase family 42 beta-galactosidase from Bifidobacterium longum subspecies infantis ( Bi Bga42A) revealed by crystallographic and mutational analyses.
Journal, issue, pagesMicrobiome Res Rep, Vol. 2, Page 20-20, Year 2023
Publish dateFeb 10, 2023 (structure data deposition date)
AuthorsGotoh, A. / Hidaka, M. / Sakurama, H. / Nishimoto, M. / Kitaoka, M. / Sakanaka, M. / Fushinobu, S. / Katayama, T.
External linksMicrobiome Res Rep / PubMed:38046823
MethodsX-ray diffraction
Resolution1.7 - 2.2 Å
Structure data

PDB-8ibr:
Crystal structure of GH42 beta-galactosidase BiBga42A from Bifidobacterium longum subspecies infantis in complex with glycerol
Method: X-RAY DIFFRACTION / Resolution: 1.7 Å

PDB-8ibs:
Crystal structure of GH42 beta-galactosidase BiBga42A from Bifidobacterium longum subspecies infantis E160A/E318A mutant in complex with galactose
Method: X-RAY DIFFRACTION / Resolution: 1.9 Å

PDB-8ibt:
Crystal structure of GH42 beta-galactosidase BiBga42A from Bifidobacterium longum subspecies infantis E318S mutant in complex with lacto-N-tetraose
Method: X-RAY DIFFRACTION / Resolution: 2.2 Å

Chemicals

ChemComp-GOL:
GLYCEROL

ChemComp-PEG:
DI(HYDROXYETHYL)ETHER

ChemComp-HOH:
WATER

ChemComp-GLA:
alpha-D-galactopyranose

Source
  • bifidobacterium longum subsp. infantis (strain atcc 15697 / dsm 20088 / jcm 1222 / nctc 11817 / s12) (bacteria)
KeywordsHYDROLASE / Glycoside Hydrolase family 42

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