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Literature summary for 2.3.1.30 extracted from

  • Guan, R.; Roderick, S.L.; Huang, B.; Cook, P.F.
    Roles of histidines 154 and 189 and aspartate 139 in the active site of serine acetyltransferase from Haemophilus influenzae (2008), Biochemistry, 47, 6322-6328.
    View publication on PubMedView publication on EuropePMC

Protein Variants

Protein Variants Comment Organism
D139N Km (mM): 0.12 (acetyl-CoA), 160 (L-serine) Haemophilus influenzae
H154N Km (mM): 0.21 (acetyl-CoA), 0.6 (L-serine) Haemophilus influenzae
H154N/H189N Km (mM): 0.24 (acetyl-CoA), 27 (L-serine) Haemophilus influenzae
H189N Km (mM): 32 (L-serine) Haemophilus influenzae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.12
-
acetyl-CoA mutant D139N Haemophilus influenzae
0.21
-
acetyl-CoA mutant H154N Haemophilus influenzae
0.24
-
acetyl-CoA mutant H154N/H189N Haemophilus influenzae
0.6
-
L-serine mutant H154N Haemophilus influenzae
0.7
-
acetyl-CoA
-
Haemophilus influenzae
4.7
-
L-serine
-
Haemophilus influenzae
27
-
L-serine mutant H154N/H189N Haemophilus influenzae
32
-
L-serine mutant H189N Haemophilus influenzae
160
-
L-serine mutant D139N Haemophilus influenzae

Organism

Organism UniProt Comment Textmining
Haemophilus influenzae P43886
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetyl-CoA + L-serine
-
Haemophilus influenzae CoA + O-acetyl-L-serine
-
?

Synonyms

Synonyms Comment Organism
SAT
-
Haemophilus influenzae
serine O-acetyltransferase
-
Haemophilus influenzae

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Haemophilus influenzae

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.3
-
assay at Haemophilus influenzae