| Identification |
| Name: |
tRNA sulfurtransferase |
| Synonyms: |
- Sulfur carrier protein ThiS sulfurtransferase
- Thiamine biosynthesis protein thiI
- tRNA 4-thiouridine synthase
|
| Gene Name: |
thiI |
| Enzyme Class: |
|
| Biological Properties |
| General Function: |
Involved in RNA binding |
| Specific Function: |
Catalyzes the ATP-dependent transfer of a sulfur to tRNA to produce 4-thiouridine in position 8 of tRNAs, which functions as a near-UV photosensor. Also catalyzes the transfer of sulfur to the sulfur carrier protein ThiS, forming ThiS-thiocarboxylate. This is a step in the synthesis of thiazole, in the thiamine biosynthesis pathway. The sulfur is donated as persulfide by iscS |
| Cellular Location: |
Cytoplasm |
| KEGG Pathways: |
|
| KEGG Reactions: |
|
[Enzyme]-S-sulfanylcysteine | + | C15813 | ↔ | C15814 |
| | |
 | + | 'Activated' tRNA | ↔ |  | + | tRNA containing a thionucleotide |
| |
|
| SMPDB Reactions: |
Not Available |
| PseudoCyc/BioCyc Reactions: |
|
 | + | 'activated' tRNA | → |  | + | tRNA containing a thionucleotide |
| | |
[IscS]-SSH | + | [ThiS]-COAMP | → | [IscS]-SH | + | [ThiS]-COSH | + |  |
| |
|
| Complex Reactions: |
|
 | + |  | + |  | + |  | + | IscS with bound sulfur | + |  | → |  | + |  | + |  | + | 2  | + | IscS sulfur acceptor protein | + |  | + |  |
| | |
 | + | 'activated' tRNA | → |  | + | tRNA containing a thionucleotide |
| | |
[IscS]-SSH | + | [ThiS]-COAMP | → | [IscS]-SH | + | [ThiS]-COSH | + |  |
| |
|
| Transports: |
Not Available |
| Metabolites: |
|
| GO Classification: |
| Component |
|---|
| cell part | | cytoplasm | | intracellular part | | Function |
|---|
| binding | | nucleic acid binding | | RNA binding | | Process |
|---|
| cellular aromatic compound metabolic process | | cellular metabolic process | | metabolic process | | thiamin and derivative metabolic process | | thiamin biosynthetic process | | thiamin metabolic process |
|
| Gene Properties |
| Locus tag: |
PA5118 |
| Strand: |
- |
| Entrez Gene ID: |
877687 |
| Accession: |
NP_253805.1 |
| GI: |
15600311 |
| Sequence start: |
5764693 |
| Sequence End: |
5766147 |
| Sequence Length: |
1454 |
| Gene Sequence: |
>PA5118
ATGAAACTCATCGTCAAGACCTTCCAGGAAATCACCATCAAGAGCCGGCCGGTGCGCAAGCGCTTCATCCGGCAGTTGGCGAAGAACATCCGCGCGGTGCTGCGCGACCTGGACCCGGAGCTGAAGGTCGAGGGCGAGTGGGACAACCTGGAGGTGGAGACCGCCGTGGTCGACGCCAAGGCCAGGCGCGAGATGATCGAGCGCCTGACCTGCACCCCGGGCATCGGTCATTTCCTCGAGGTCCACGAGTATCCGCTGGGCGATTTCGACGACATCCTCGCCAAGTGCAAGGCGCATTTCGGCGACCAGTTGGCCGGCAAGACCTTCGCCGTGCGCTGCAAGCGCGCCGGCAAGCACGCGTTCACCTCGATGGAGGTGGAGCGTTACGTCGGCAGCGGCCTGCGCCGCGAATGCGGGGCTGCCGGGATCGACCTGAAGCAGCCGGAAGTCGAGGTGCGGATGGAAATCCGCCTCGACCGCCTGTTCGTCATCCATCGCCAGCATCCGGGCCTGGGCGGCTATCCGCTGGGCGCGCTGGAACAGGTGCTGGTGCTGATGTCCGGCGGCTTCGACTCGACCGTGGCGGCCTACCAGATGATGCGCCGCGGGATGATCAGCCACTTCGTGTTCTTCAACCTCGGCGGGCGCGCCCACGAACTGGGGGTGATGGAAGTCGCCCACTACCTGTGGGAGAAGTACGGCCGCTCGCAGCGCGTGCTGTTCGTCAGCGTGCCGTTCGAGGAAGTGGTCGGCGAGATCCTCACCAAGGTCGACGACAGCTATATGGGCGTGACCCTCAAGCGCATGATGCTGCGCGCCGCCAGCCGCGTGGCCGAGCGCCTGGAGCTGGACGCGCTGGTGACCGGCGAGGCGATCTCCCAGGTGTCCAGCCAGACCCTGCCGAACCTCTCGGTGATCGACCGGGTTACCGACACCCTGGTGCTGCGCCCGCTGATCGTCAGCCACAAGCAGGACATCATCGACACCGCCCGGCAGATCGGCACCGCCGAGTTCGCCCGGCACATGCCGGAATACTGCGGGGTGATCTCGGTGAACCCGACCACCCAGGCCAAGCCCTACCGCGTCGAGCACGAAGAGTCGAAATTCGACATGGCGGTGCTCGAGCGCGCCCTGGAGCGAGCCACCCAGCGCACCGTCGACCGGGTGATCGACGAACTCGGCCAGGACCTGCAGGTGGAAGAGGTCGGCGAGGTGCTGCCCGGTCAGATTGTCATCGATATCCGCCATCCTGATGCCCAGGAAGACGAACCCCTGGCCCTGGAAGGCGTCGAAGTCCAGGCGCTGCCGTTCTACGCGATCAACAGCCGCTTCAAGGAACTGGACGCCAACCGCCAGTACCTCCTGTATTGCGACAAAGGGGTGATGAGCCGCCTGCATGCCCATCACCTGCTCAACGAGGGGCACACCAATGTGCGTGTTTATCGTCCGGCTTAA |
| Protein Properties |
| Protein Residues: |
484 |
| Protein Molecular Weight: |
54.8 kDa |
| Protein Theoretical pI: |
6.66 |
| Hydropathicity (GRAVY score): |
-0.201 |
| Charge at pH 7 (predicted): |
-3.06 |
| Protein Sequence: |
>PA5118
MKLIVKTFQEITIKSRPVRKRFIRQLAKNIRAVLRDLDPELKVEGEWDNLEVETAVVDAKARREMIERLTCTPGIGHFLEVHEYPLGDFDDILAKCKAHFGDQLAGKTFAVRCKRAGKHAFTSMEVERYVGSGLRRECGAAGIDLKQPEVEVRMEIRLDRLFVIHRQHPGLGGYPLGALEQVLVLMSGGFDSTVAAYQMMRRGMISHFVFFNLGGRAHELGVMEVAHYLWEKYGRSQRVLFVSVPFEEVVGEILTKVDDSYMGVTLKRMMLRAASRVAERLELDALVTGEAISQVSSQTLPNLSVIDRVTDTLVLRPLIVSHKQDIIDTARQIGTAEFARHMPEYCGVISVNPTTQAKPYRVEHEESKFDMAVLERALERATQRTVDRVIDELGQDLQVEEVGEVLPGQIVIDIRHPDAQEDEPLALEGVEVQALPFYAINSRFKELDANRQYLLYCDKGVMSRLHAHHLLNEGHTNVRVYRPA |
| References |
| External Links: |
|
| General Reference: |
PaperBLAST - Find papers about PA5118 and its homologs
|