Structure of PDB 3tn5 Chain A

Receptor sequence
>3tn5A (length=324) Species: 235909 (Geobacillus kaustophilus HTA426) [Search protein sequence]
EMVETVCGPVPVEQLGKTLIHEHFLFGYPGFQGDVTRGTFREDESLRVAV
EAAEKMKRHGIQTVVDPTPNDCGRNPAFLRRVAEETGLNIICATGYLYEG
EGAPPYFQFRRLLGTAEDDIYDMFMAELTEGIADTGIKAGVIKLASSKGR
ITEYEKMFFRAAARAQKETGAVIITHTQEGTMGPEQAAYLLEHGADPKKI
VIGHMCGNTDPDYHRKTLAYGVYIAFDRFGIQGMVGAPTDEERVRTLLAL
LRDGYEKQIMLSHDTVNVWLGRPFTLPEPFAEMMKNWHVEHLFVNIIPAL
KNEGIRDEVLEQMFIGNPAALFSA
3D structure
PDB3tn5 Engineering a thermostable lactonase for enhanced phosphotriesterase activity against organophosphate pesticides
ChainA
Resolution1.75 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H23 H25 K145 H178 H206 G209 R230 D266
Catalytic site (residue number reindexed from 1) H21 H23 K143 H176 H204 G207 R228 D264
Enzyme Commision number 3.5.-.-
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 CO A H23 H25 K145 D266 H21 H23 K143 D264
BS02 CO A K145 H178 H206 K143 H176 H204
Gene Ontology
Molecular Function
GO:0008270 zinc ion binding
GO:0016787 hydrolase activity
GO:0046872 metal ion binding
Biological Process
GO:0009056 catabolic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:3tn5, PDBe:3tn5, PDBj:3tn5
PDBsum3tn5
PubMed
UniProtQ5KZU5

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