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EC Number
Protein Variants
Commentary
Reference
2.1.1.192
C118A
inactive
734031
2.1.1.192
C118A
loss of tRNA methylation activity
758141
2.1.1.192
C118A
mutant is unable to resolve a covalent protein/RNA intermediate during catalysis and becomes cross-linked to the nucleic acid
758463
2.1.1.192
C118A
site-directed mutagenesis, analysis of the structure of a key intermediate in the RlmN reaction, in which a C118A variant of the protein is cross-linked to a tRNAGlu substrate
758463
2.1.1.192
C118S
inactive
734031
2.1.1.192
C125A
inactive mutant enzyme
704203
2.1.1.192
C129A
inactive mutant enzyme
704203
2.1.1.192
C132A
inactive mutant enzyme
704203
2.1.1.192
C338A
the mutant binds S-adenosyl-L-methionine with wild type affinity, while oxidation of the [4Fe-4S] cluster is not observed
735095
2.1.1.192
C363A
mutation in putative metyl-binding residue, substitution alters iron-sulfur cluster stability. Mutant exhibits negligible activity
756062
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