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Literature summary for 6.1.1.15 extracted from

  • Stathopoulos, C.; Kim, W.; Li, T.; Anderson, I.; Deutsch, B.; Palioura, S.; Whitman, W.; Soll, D.
    Cysteinyl-tRNA synthetase is not essential for viability of the archaeon Methanococcus maripaludis (2001), Proc. Natl. Acad. Sci. USA, 98, 14292-14297.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Methanococcus maripaludis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0046
-
L-proline pH 7.0, 37°C Methanococcus maripaludis
0.0745
-
L-cysteine pH 7.0, 37°C Methanococcus maripaludis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ATP + L-proline + tRNAPro Methanococcus maripaludis
-
AMP + diphosphate + L-prolyl-tRNAPro
-
?

Organism

Organism UniProt Comment Textmining
Methanococcus maripaludis Q6LZD3
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Methanococcus maripaludis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + L-cysteine + tRNA in later work it is shown that cysteine is attached to tRNA(Pro) and thus constitutes a misaminoacylation event and not a dual specificity Methanococcus maripaludis AMP + diphosphate + L-cysteinyl-tRNA
-
?
ATP + L-proline + tRNAPro
-
Methanococcus maripaludis AMP + diphosphate + L-prolyl-tRNAPro
-
?

Synonyms

Synonyms Comment Organism
dual-specificity prolyl-tRNA synthetase misleading Methanococcus maripaludis
ProCysRS
-
Methanococcus maripaludis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Methanococcus maripaludis

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.8
-
L-cysteine pH 7.0, 37°C Methanococcus maripaludis
0.9
-
L-proline pH 7.0, 37°C Methanococcus maripaludis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
assay at Methanococcus maripaludis

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
10.7
-
L-cysteine pH 7.0, 37°C Methanococcus maripaludis
196
-
L-proline pH 7.0, 37°C Methanococcus maripaludis