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Literature summary for 3.1.1.1 extracted from

  • Correy, G.J.; Carr, P.D.; Meirelles, T.; Mabbitt, P.D.; Fraser, N.J.; Weik, M.; Jackson, C.J.
    Mapping the accessible conformational landscape of an insect carboxylesterase using conformational ensemble analysis and kinetic crystallography (2016), Structure, 24, 977-987 .
    View publication on PubMed

Crystallization (Commentary)

Crystallization (Comment) Organism
for investigation of binding-pocket heterogeneity, several previously published structures of enzyme LcalphaE7 in apostructure, with bound substrate and in phosphorylated form are re-processed to increase the amount of crystallographic data available, conformational selection upon substrate binding (PDB IDs are 5CH3, 5CH5, 5IVD, 5IVI, 5IVH, 5IVK, 4QWM, 4UBI, 4UBJ, 4UBK, 4UBM, 4UBL, 4UBN, 4UBO, 4W1Q, 4W1P, 4W1R, and 4W1S), overview Lucilia cuprina

Protein Variants

Protein Variants Comment Organism
M147A site-directed mutagenesis, the mutant shows altered inhibition kinetics for inhibitor diethylumbelliferyl phosphate compared to wild-type enzyme Lucilia cuprina
Y457A site-directed mutagenesis, the mutant shows altered inhibition kinetics for inhibitor diethylumbelliferyl phosphate compared to wild-type enzyme Lucilia cuprina

Inhibitors

Inhibitors Comment Organism Structure
diethylumbelliferyl phosphate
-
Lucilia cuprina

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information Michaelis-Menten kinetics Lucilia cuprina

Organism

Organism UniProt Comment Textmining
Lucilia cuprina Q25252
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
phosphoprotein
-
Lucilia cuprina

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information dephosphorylation is the rate-limiting step in the hydrolysis of organophosphates by enzyme LcalphaE7 Lucilia cuprina ?
-
?

Synonyms

Synonyms Comment Organism
alpha-esterase 7
-
Lucilia cuprina
LcalphaE7
-
Lucilia cuprina

General Information

General Information Comment Organism
additional information residues Phe100, Met147, and Tyr457 are located near the substrate-binding pocket, multi-conformer modeling of Tyr457. Kinetic analysis of the role of Tyr457 and Met147 reveals catalytic evidence for dynamic coupling Lucilia cuprina