2GDN

Crystal structure of the Mycobacterium tuberculosis beta-lactamase

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0005576	cellular_component	extracellular region
A	0005886	cellular_component	plasma membrane
A	0008800	molecular_function	beta-lactamase activity
A	0016020	cellular_component	membrane
A	0016787	molecular_function	hydrolase activity
A	0017001	biological_process	antibiotic catabolic process
A	0030655	biological_process	beta-lactam antibiotic catabolic process
A	0042597	cellular_component	periplasmic space
A	0046677	biological_process	response to antibiotic

Functional Information from PROSITE/UniProt

site_id	PS00146
Number of Residues	16
Details	BETA_LACTAMASE_A Beta-lactamase class-A active site. FaFCSTfKaplVAAVL

Chain	Residue	Details
A	PHE66-LEU81

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	1
Details	ACT_SITE: Acyl-ester intermediate => ECO:0000269|PubMed:19251630, ECO:0000269|PubMed:20353175, ECO:0000269|PubMed:20961112

Chain	Residue	Details
A	SER70

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site_id	SWS_FT_FI2
Number of Residues	1
Details	ACT_SITE: Proton acceptor => ECO:0000303|PubMed:20353175, ECO:0000303|PubMed:20961112

Chain	Residue	Details
A	GLU166

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site_id	SWS_FT_FI3
Number of Residues	2
Details	BINDING: BINDING => ECO:0000269|PubMed:19251630, ECO:0000269|PubMed:20353175, ECO:0000269|PubMed:20961112

Chain	Residue	Details
A	SER130
A	THR235

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site_id	SWS_FT_FI4
Number of Residues	1
Details	SITE: Increases nucleophilicity of active site Ser => ECO:0000303|PubMed:20353175, ECO:0000303|PubMed:20961112

Chain	Residue	Details
A	LYS73

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site_id	SWS_FT_FI5
Number of Residues	1
Details	SITE: Functions as a gatekeeper residue that regulates substrate accessibility to the enzyme active site => ECO:0000303|PubMed:24023821

Chain	Residue	Details
A	ILE105

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Catalytic Information from CSA

site_id	CSA1
Number of Residues	4
Details	Annotated By Reference To The Literature 1btl

Chain	Residue	Details
A	GLU166
A	LYS73
A	SER130
A	SER70

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