Structure of PDB 3nck Chain A

Receptor sequence
>3nckA (length=256) Species: 1773 (Mycobacterium tuberculosis) [Search protein sequence]
DLADRFAELERRYDARLGVYVPATGTTAAIEYRADERFAFCSTFKAPLVA
AVLHQNPLTHLDKLITYTSDDIRSISPVAQQHVQTGMTIGQLCDAAIRYS
DGTAANLLLADLGGPGGGTAAFTGYLRSLGDTVSRLDPPGDERDTTTPHA
IALVLQQLVLGNALPPDKRALLTDWMARNTTGAKRIRAGFPADWKVIDKT
GTGDYGRANDIAVVWSPTGVPYVVAVMSDRAGGGYDAEPREALLAEAATC
VAGVLA
3D structure
PDB3nck BlaC-E166A covalently bound with cephalosporins and penicillins
ChainA
Resolution2.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) S84 K87 S142 K250 T253
Catalytic site (residue number reindexed from 1) S42 K45 S100 K199 T202
Enzyme Commision number 3.5.2.6: beta-lactamase.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 NFF A S84 I117 S142 T251 G252 T253 G254 D255 S42 I75 S100 T200 G201 T202 G203 D204
Gene Ontology
Molecular Function
GO:0008800 beta-lactamase activity
GO:0016787 hydrolase activity
Biological Process
GO:0017001 antibiotic catabolic process
GO:0030655 beta-lactam antibiotic catabolic process
GO:0046677 response to antibiotic
Cellular Component
GO:0005576 extracellular region
GO:0005886 plasma membrane
GO:0042597 periplasmic space

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:3nck, PDBe:3nck, PDBj:3nck
PDBsum3nck
PubMed
UniProtP9WKD3|BLAC_MYCTU Beta-lactamase (Gene Name=blaC)

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