Structure of PDB 3g31 Chain B

Receptor sequence
>3g31B (length=261) Species: 562 (Escherichia coli) [Search protein sequence]
SAVQQKLAALEKSSGGRLGVALIDTADNTQVLYRGDERFPMCSTSKVMAA
AAVLKQSETQKQLLNQPVEIKPADLVNYNPIAEKHVNGTMTLAELSAAAL
QYSDNTAMNKLIAQLGGPGGVTAFARAIGDETFRLDRTEPTLNTAIPGDP
RDTTTPRAMAQTLRQLTLGHALGETQRAQLVTWLKGNTTGAASIRAGLPT
SWTAGDKTGSGDYGTTNDIAVIWPQGRAPLVLVTYFTQPQQNAESRRDVL
ASAARIIAEGL
3D structure
PDB3g31 Molecular docking and ligand specificity in fragment-based inhibitor discovery
ChainB
Resolution1.7 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) S70 K73 S130 E166 K234 S237
Catalytic site (residue number reindexed from 1) S43 K46 S103 E139 K207 S210
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 GF1 B S70 N104 Y105 S130 G236 S237 S43 N77 Y78 S103 G209 S210 MOAD: Ki=1.3mM
BS02 GF1 B Y60 R61 Y33 R34 MOAD: Ki=1.3mM
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

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Molecular Function
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Biological Process
External links
PDB RCSB:3g31, PDBe:3g31, PDBj:3g31
PDBsum3g31
PubMed19305397
UniProtQ9L5C8

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