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Literature summary for 2.4.1.17 extracted from

  • Barre, L.; Fournel-Gigleux, S.; Finel, M.; Netter, P.; Magdalou, J.; Ouzzine, M.
    Substrate specificity of the human UDP-glucuronosyltransferase UGT2B4 and UGT2B7. Identification of a critical aromatic amino acid residue at position 33 (2007), FEBS J., 274, 1256-1264.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
heterologous expression in insect Sf9 cells Homo sapiens

Protein Variants

Protein Variants Comment Organism
F33L mutation suppresses the activity towards hyodeoxycholic acid, and impairs the glucuronidation of several substrates, including 4-hydroxyestrone and 17-epiestriol Homo sapiens
F33Y activity is similar to wild-type UGT2B4. Tyrosine is found at position 33 of UGT2B7 Homo sapiens
Y33F mutation exhibits similar or even somewhat higher activities than wild type UGT2B7. Phenylalanine is found at position 33 of UGT2B4 Homo sapiens
Y33L mutation strongly reduces the activity towards all the tested substrates, with the exception of 17-epiestriol Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.012
-
montanoyl-CoA mutant UGT2B4(Y33L) Homo sapiens
0.021
-
hyodeoxycholic acid native UGT2B4 Homo sapiens
0.025
-
hyodeoxycholic acid native UGT2B4 Homo sapiens
0.028
-
MOCAc-Lys-Arg-Gly-Leu-Tyr-Phe-Ile-Thr-His-Lys(Dnp) native UGT2B4 Homo sapiens
0.029
-
hyodeoxycholic acid mutant UGT2B4(Y33L) Homo sapiens
0.039
-
hyodeoxycholic acid mutant UGT2B4(Y33F) Homo sapiens
0.042
-
17-epiestriol native UGT2B4 Homo sapiens
0.052
-
17-epiestriol native UGT2B4 Homo sapiens
0.063
-
17-epiestriol mutant UGT2B4(Y33L) Homo sapiens
0.071
-
17-epiestriol mutant UGT2B4(F33Y) Homo sapiens
0.081
-
montanoyl-CoA native UGT2B4 Homo sapiens
0.091
-
hyodeoxycholic acid mutant UGT2B4(F33Y) Homo sapiens
0.093
-
17-epiestriol mutant UGT2B4(F33L) Homo sapiens
0.117
-
MOCAc-Lys-Arg-Gly-Leu-Tyr-Phe-Ile-Thr-His-Lys(Dnp) mutant UGT2B4(Y33F) Homo sapiens
0.131
-
MOCAc-Lys-Arg-Gly-Leu-Tyr-Phe-Ile-Thr-His-Lys(Dnp) mutant UGT2B4(F33Y) Homo sapiens
0.159
-
17-epiestriol mutant UGT2B4(Y33F) Homo sapiens
0.173
-
MOCAc-Lys-Arg-Gly-Leu-Tyr-Phe-Ile-Thr-His-Lys(Dnp) mutant UGT2B4(F33L) Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens P06133
-
-
Homo sapiens P16662
-
-

Source Tissue

Source Tissue Comment Organism Textmining

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
17-epiestriol + UDP-glucuronate
-
Homo sapiens ?
-
?
4-hydroxyestrone + UDP-glucuronate
-
Homo sapiens ?
-
?
hyodeoxycholic acid + UDP-glucuronate
-
Homo sapiens ?
-
?

Synonyms

Synonyms Comment Organism
UGT2B4
-
Homo sapiens
UGT2B7
-
Homo sapiens