Structure of PDB 1qe3 Chain A

Receptor sequence
>1qe3A (length=467) Species: 1423 (Bacillus subtilis) [Search protein sequence]
THQIVTTQYGKVKGTTENGVHKWKGIPYAKPPVGQWRFKAPEPPEVWEDV
LDATAYGPICPQPSLPRQSEDCLYVNVFAPDTPSQNLPVMVWIHGGAFYL
GAGSEPLYDGSKLAAQGEVIVVTLNYRLGPFGFLHLSSFDEAYSDNLGLL
DQAAALKWVRENISAFGGDPDNVTVFGESAGGMSIAALLAMPAAKGLFQK
AIMESGASRTMTKEQAASTAAAFLQVLGINESQLDRLHTVAAEDLLKAAD
QLRIAEKENIFQLFFQPALDPKTLPEEPEKSIAEGAASGIPLLIGTTRDE
GYLFFTPDSDVHSQETLDAALEYLLGKPLAEKAADLYPRSLESQIHMMTD
LLFWRPAVAYASAQSHYAPVWMYRFDWHPEKPPYNKAFHALELPFVFGNL
DGLITDEVKQLSHTIQSAWITFAKTGNPSTEAVNWPAYHEETRETVILDS
EITIENDPESEKRQKLF
3D structure
PDB1qe3 A structural view of evolutionary divergence.
ChainA
Resolution1.5 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) G106 A107 G139 S189 A190 L273 F275 E310 H399
Catalytic site (residue number reindexed from 1) G96 A97 G129 S179 A180 L263 F265 E300 H389
Enzyme Commision number 3.1.1.-
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 ZN A T2 H3 T1 H2
Gene Ontology
Molecular Function
GO:0004104 cholinesterase activity
GO:0052689 carboxylic ester hydrolase activity

View graph for
Molecular Function
External links
PDB RCSB:1qe3, PDBe:1qe3, PDBj:1qe3
PDBsum1qe3
PubMed10535917
UniProtP37967|PNBA_BACSU Para-nitrobenzyl esterase (Gene Name=pnbA)

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