8IBS

Crystal structure of GH42 beta-galactosidase BiBga42A from Bifidobacterium longum subspecies infantis E160A/E318A mutant in complex with galactose

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
C	0004565	molecular_function	beta-galactosidase activity
C	0005975	biological_process	carbohydrate metabolic process
C	0009341	cellular_component	beta-galactosidase complex
C	0016798	molecular_function	hydrolase activity, acting on glycosyl bonds
D	0004565	molecular_function	beta-galactosidase activity
D	0005975	biological_process	carbohydrate metabolic process
D	0009341	cellular_component	beta-galactosidase complex
D	0016798	molecular_function	hydrolase activity, acting on glycosyl bonds
E	0004565	molecular_function	beta-galactosidase activity
E	0005975	biological_process	carbohydrate metabolic process
E	0009341	cellular_component	beta-galactosidase complex
E	0016798	molecular_function	hydrolase activity, acting on glycosyl bonds
F	0004565	molecular_function	beta-galactosidase activity
F	0005975	biological_process	carbohydrate metabolic process
F	0009341	cellular_component	beta-galactosidase complex
F	0016798	molecular_function	hydrolase activity, acting on glycosyl bonds

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	6
Details	ACT_SITE: Proton donor => ECO:0000250|UniProtKB:O69315

Chain	Residue	Details
A	ALA160
B	ALA160
C	ALA160
D	ALA160
E	ALA160
F	ALA160

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site_id	SWS_FT_FI2
Number of Residues	6
Details	ACT_SITE: Nucleophile => ECO:0000250|UniProtKB:O69315

Chain	Residue	Details
A	ALA318
B	ALA318
C	ALA318
D	ALA318
E	ALA318
F	ALA318

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site_id	SWS_FT_FI3
Number of Residues	24
Details	BINDING: BINDING => ECO:0000250|UniProtKB:O69315

Chain	Residue	Details
A	ARG121
C	ASN159
C	TRP326
C	GLU366
D	ARG121
D	ASN159
D	TRP326
D	GLU366
E	ARG121
E	ASN159
E	TRP326
A	ASN159
E	GLU366
F	ARG121
F	ASN159
F	TRP326
F	GLU366
A	TRP326
A	GLU366
B	ARG121
B	ASN159
B	TRP326
B	GLU366
C	ARG121

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