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6.1.1.6: lysine-tRNA ligase

This is an abbreviated version!
For detailed information about lysine-tRNA ligase, go to the full flat file.

Word Map on EC 6.1.1.6

Reaction

ATP
+
L-lysine
 +
tRNALys
=
AMP
 +
diphosphate
 +
L-lysyl-tRNALys

Synonyms

Ap4A synthase, BBA_03037, class 1 lysyl tRNA synthetase, class I LysRS, class I lysyl-tRNA synthetase, class II lysyl-tRNA synthetase, cyto-LysRS, cytoKARS, cytoplasmic lysyl-tRNA synthetase, FOSTERSO_4045, GsLysRS, hKRS, KARS, KRS, KRS-1, L-Lysine-transfer RNA ligase, lysine aminoacyl-tRNA synthetase, Lysine translase, Lysine--tRNA ligase, Lysine-tRNA synthetase, LysRS, LysRS-I, LysRS-II, LysRS1, LysRS2, lysS, lysS2, LysU, LysX, lysyl tRNA synthetase, Lysyl-transfer ribonucleate synthetase, Lysyl-transfer RNA synthetase, Lysyl-tRNA synthetase, lysylphosphatidylglycerol biosynthesis bifunctional protein, mito-LysRS, mitochondrial lysyl-tRNA synthetase, mitoKARS, More, Msk1p, MSMEG_3796, MSMEG_6094, MSMEI_3707, MXAN_4731, PF3D7_1350100, PfKRS, preMsk1p, Synthetase, lysyl-transfer ribonucleate, tRK1

ECTree

     6 Ligases
         6.1 Forming carbon-oxygen bonds
             6.1.1 Ligases forming aminoacyl-tRNA and related compounds
                6.1.1.6 lysine-tRNA ligase

Temperature Stability

Temperature Stability on EC 6.1.1.6 - lysine-tRNA ligase

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TEMPERATURE STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
40
-
5 min, 80% loss of activity
50
-
stable below, pH 8.0, 5 h
60
-
after 4 h complete loss of aminoacylation activity, 3 min, stable in presence of all substrates except lysine
70
-
0.5 min, stable in presence of all substrates except lysine
additional information
-
24 S complex lysyl-tRNA synthetase activity is more resistant to thermal inactivation than the 6S free lysyl-tRNA synthetase activity at 30°C, 37°C and 43°C