Structure of PDB 2hdu Chain A

Receptor sequence
>2hduA (length=358) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
APQQINDIVHRTITPLIEQQKIPGMAVAVIYQGKPYYFTWGYADIAKKQP
VTQQTLFELGSVSKTFTGVLGGDAIARGEIKLSDPTTKYWPELTAKQWNG
ITLLHLATYTAGGLPLQVPDEVKSSSDLLRFYQNWQPAWAPGTQRLYANS
SIGLFGALAVKPSGLSFEQAMQTRVFQPLKLNHTWINVPPAEEKNYAWGY
REGKAVHVSPGALDAEAYGVKSTIEDMARWVQSNLKPLDINEKTLQQGIQ
LAQSRYWQTGDMYQGLGWEMLDWPVNPDSIINGSDNKIALAARPVKAITP
PTPAVRASWVHKTGATGGFGSYVAFIPEKELGIVMLANKNYPNPARVDAA
WQILNALQ
3D structure
PDB2hdu Deconstructing fragment-based inhibitor discovery
ChainA
Resolution1.49 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) S64 K67 Y112 A114 V121 Y150 G156 E272 K315 A318
Catalytic site (residue number reindexed from 1) S61 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 F12 A T262 G263 V298 K299 T259 G260 V295 K296 MOAD: Ki=5mM
BindingDB: Ki=5000000nM
BS02 F12 A Y221 A318 T319 G320 N343 Y218 A315 T316 G317 N340 MOAD: Ki=5mM
BindingDB: Ki=5000000nM
BS03 F12 A Q250 Q253 L254 S257 Q247 Q250 L251 S254 MOAD: Ki=5mM
BindingDB: Ki=5000000nM
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:0030288 outer membrane-bounded periplasmic space
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:2hdu, PDBe:2hdu, PDBj:2hdu
PDBsum2hdu
PubMed17072304
UniProtP00811|AMPC_ECOLI Beta-lactamase (Gene Name=ampC)

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