8IBT

Crystal structure of GH42 beta-galactosidase BiBga42A from Bifidobacterium longum subspecies infantis E318S mutant in complex with lacto-N-tetraose

Summary for 8IBT

Entry DOI	10.2210/pdb8ibt/pdb
Descriptor	Beta-galactosidase, beta-D-galactopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-beta-D-galactopyranose-(1-4)-beta-D-glucopyranose (3 entities in total)
Functional Keywords	glycoside hydrolase family 42, hydrolase
Biological source	Bifidobacterium longum subsp. infantis (strain ATCC 15697 / DSM 20088 / JCM 1222 / NCTC 11817 / S12)
Total number of polymer chains	2
Total formula weight	158944.90
Authors	Hidaka, M.,Fushinobu, S.,Gotoh, A.,Katayama, T. (deposition date: 2023-02-10, release date: 2023-06-07, Last modification date: 2023-12-20)
Primary citation	Gotoh, A.,Hidaka, M.,Sakurama, H.,Nishimoto, M.,Kitaoka, M.,Sakanaka, M.,Fushinobu, S.,Katayama, T. Substrate recognition mode of a glycoside hydrolase family 42 beta-galactosidase from Bifidobacterium longum subspecies infantis ( Bi Bga42A) revealed by crystallographic and mutational analyses. Microbiome Res Rep, 2:20-20, 2023 Cited by PubMed: 38046823 DOI: 10.20517/mrr.2023.14 PDB entries with the same primary citation
Experimental method	X-RAY DIFFRACTION (2.2 Å)

Structure validation