EC Number   |
Substrates |
Organism |
Products  |
Reversibility |
|---|
   2.8.1.4 | L-cysteine + tRNA |
- |
Escherichia coli |
? |
- |
? |
| 2.8.1.4 | L-cysteine + tRNA |
- |
Escherichia coli HfrC |
? |
- |
? |
| 2.8.1.4 | more |
- |
Rattus norvegicus |
? |
- |
? |
| 2.8.1.4 | more |
catalyzes the transfer of sulfur to various tRNSs from microbial sources, tRNA of higher organisms, rRNA, native and denatured DNA does not accept sulfur |
Pseudomonas aeruginosa |
? |
- |
? |
| 2.8.1.4 | more |
associated in a complex with tRNA mehtyltransferase and aminoacyl-tRNA synthetase |
Rattus norvegicus |
? |
- |
? |
| 2.8.1.4 | more |
rRNA, mRNAand synthetic ribohomopolymers are no acceptor substrates, little or no reaction with E. coli B rRNA, phage MS2 RNA, polyU, polyC, polyA, and polyG |
Rattus norvegicus |
? |
- |
? |
| 2.8.1.4 | more |
only transfer RNA as sulfur acceptor, other cellular species of RNA and synthetic ribohomopolymers do not accept sulfur in this system, no reaction with E. coli rRNA, phage MS2 RNA, polyC, polyA, or polyU |
Bacillus subtilis |
? |
- |
? |
| 2.8.1.4 | more |
2-thiocytidine is the major thionucleotide formed in vitro, 4-thiouridine is the major product in vivo |
Escherichia coli |
? |
- |
? |
| 2.8.1.4 | more |
only tRNAs are effective sulfur acceptors, little or no reaction with rat liver rRNA, salmon sperm DNA, polyuridylic acid and polyadenylic acid |
Rattus norvegicus |
? |
- |
? |
| 2.8.1.4 | more |
Ctu1 (cytosolic tRNA thiouridilase) associates with the conserved Ctu2 protein and this complex is the wobble uridine-34 thiolase of cytosolic tRNAs in eukaryotes, 2-thiouridylation of tRNAs |
Caenorhabditis elegans |
? |
- |
? |
