Structure of PDB 1kvl Chain A

Receptor sequence
>1kvlA (length=358) Species: 562 (Escherichia coli) [Search protein sequence]
APQQINDIVHRTITPLIEQQKIPGMAVAVIYQGKPYYFTWGYADIAKKQP
VTQQTLFELGGVSKTFTGVLGGDAIARGEIKLSDPTTKYWPELTAKQWNG
ITLLHLATYTAGGLPLQVPDEVKSSSDLLRFYQNWQPAWAPGTQRLYANS
SIGLFGALAVKPSGLSFEQAMQTRVFQPLKLNHTWINVPPAEEKNYAWGY
REGKAVHVSPGALDAEAYGVKSTIEDMARWVQSNLKPLDINEKTLQQGIQ
LAQSRYWQTGDMYQGLGWEMLDWPVNPDSIINGSDNKIALAARPVKAITP
PTPAVRASWVHKTGATGGFGSYVAFIPEKELGIVMLANKNYPNPARVDAA
WQILNALQ
3D structure
PDB1kvl Structural milestones in the reaction pathway of an amide hydrolase: substrate, acyl, and product complexes of cephalothin with AmpC beta-lactamase.
ChainA
Resolution1.53 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) G64 K67 Y112 A114 V121 Y150 G156 E272 K315 A318
Catalytic site (residue number reindexed from 1) G61 K64 Y109 A111 V118 Y147 G153 E269 K312 A315
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 KCP A W93 S127 S128 L131 K164 W90 S124 S125 L128 K161
BS02 CLS A G64 L119 Q120 Y150 Y221 N289 T316 G317 A318 G61 L116 Q117 Y147 Y218 N286 T313 G314 A315
Gene Ontology
Molecular Function
GO:0008800 beta-lactamase activity
GO:0016787 hydrolase activity
Biological Process
GO:0017001 antibiotic catabolic process
GO:0046677 response to antibiotic
Cellular Component
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:1kvl, PDBe:1kvl, PDBj:1kvl
PDBsum1kvl
PubMed12005439
UniProtP00811|AMPC_ECOLI Beta-lactamase (Gene Name=ampC)

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