8IBT

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

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0004565	molecular_function	beta-galactosidase activity
A	0005975	biological_process	carbohydrate metabolic process
A	0009341	cellular_component	beta-galactosidase complex
A	0016798	molecular_function	hydrolase activity, acting on glycosyl bonds
B	0004565	molecular_function	beta-galactosidase activity
B	0005975	biological_process	carbohydrate metabolic process
B	0009341	cellular_component	beta-galactosidase complex
B	0016798	molecular_function	hydrolase activity, acting on glycosyl bonds

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	2
Details	ACT_SITE: Proton donor => ECO:0000250|UniProtKB:O69315

Chain	Residue	Details
A	GLU160
B	GLU160

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site_id	SWS_FT_FI2
Number of Residues	2
Details	ACT_SITE: Nucleophile => ECO:0000250|UniProtKB:O69315

Chain	Residue	Details
A	SER318
B	SER318

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site_id	SWS_FT_FI3
Number of Residues	8
Details	BINDING: BINDING => ECO:0000250|UniProtKB:O69315

Chain	Residue	Details
A	ARG121
A	ASN159
A	TRP326
A	GLU366
B	ARG121
B	ASN159
B	TRP326
B	GLU366

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