Identification
Name: Threonylcarbamoyl-AMP synthase
Synonyms: Not Available
Gene Name: tsaC
Enzyme Class:
Biological Properties
General Function: threonylcarbamoyladenosine biosynthetic process
Specific Function: Required for the formation of a threonylcarbamoyl group on adenosine at position 37 (t(6)A37) in tRNAs that read codons beginning with adenine. Catalyzes the conversion of L-threonine, bicarbonate/CO(2) and ATP to give threonylcarbamoyl-AMP (TC-AMP) as the acyladenylate intermediate, with the release of pyrophosphate. Is also able to catalyze the reverse reaction in vitro, i.e. the formation of ATP from TC-AMP and PPi. Shows higher affinity for the full-length tRNA(Thr) lacking only the t(6)A37 modification than for its fully modified counterpart. Could also be required for the maturation of 16S rRNA. Binds to double-stranded RNA but does not interact tightly with either of the ribosomal subunits, or the 70S particles.
Cellular Location: Not Available
KEGG Pathways: Not Available
KEGG Reactions:
Thumb+Thumb+ThumbThumb+Thumb+Thumb
SMPDB Reactions: Not Available
PseudoCyc/BioCyc Reactions:
Thumb+Thumb+ThumbThumb+Thumb+Thumb
Complex Reactions: Not Available
Transports: Not Available
Metabolites:
PAMDB IDNameView
PAMDB000148Adenosine triphosphateMetaboCard
PAMDB000153Hydrogen carbonateMetaboCard
PAMDB001633Hydrogen ionMetaboCard
PAMDB000068L-ThreonineMetaboCard
PAMDB004367L-ThreonylcarbamoyladenylateMetaboCard
PAMDB000633PyrophosphateMetaboCard
PAMDB000142WaterMetaboCard
GO Classification:
Function
ATP binding
cytoplasm
double-stranded RNA binding
nucleotidyltransferase activity
regulation of translational fidelity
rRNA processing
threonylcarbamoyladenosine biosynthetic process
tRNA binding
Gene Properties
Locus tag: PA0022
Strand: +
Entrez Gene ID: 880711
Accession: NP_248712.1
GI: 15595220
Sequence start: 24001
Sequence End: 24558
Sequence Length: 557
Gene Sequence:
>PA0022
ATGATCAGCAGCTTTCGTGCGCAATGCGCCGCCCGGGTCGTCCGCGAGGGCGGCGTGATCGCCTATCCCACCGAGGCGGTATGGGGGCTCGGCTGCGACCCGTGGAACGAGGATGCGGTGTATCGCCTGCTGGCGCTGAAGGCGCGGCCGGTGGAAAAGGGCCTGATCGTGGTGGCGGCGAACATCCACCAGCTCGACTTCCTTCTCGAAGACCTGCCGGACGTCTGGCTGGACCGCCTGGCCGGTACCTGGCCGGGGCCGAACACCTGGCTGGTGCCGCACCAGGAGCGCCTGCCGGAGTGGGTCACCGGCGTCCACGACAGCGTCGCCGTGCGGGTCACCGACCATCCCCTGGTACAGGAACTGTGCCATCTCACCGGTCCGCTGATCTCCACCTCGGCCAATCCGGCCGGGCGCCCGGCGGCGCGCACGCGGCTGCGGGTGGAGCAATACTTCCACGACGAGCTGGACGCTATCCTCGGCGGCGCCCTTGGCGGGCGCCGCAACCCCAGCCTGATCCGCGACCTGGTGACTGGACAGGTCATCCGCCCGGCCTGA
Protein Properties
Protein Residues: 185
Protein Molecular Weight: 20.4 kDa
Protein Theoretical pI: 6.51
Hydropathicity (GRAVY score): -0.025
Charge at pH 7 (predicted): -1.66
Protein Sequence:
>PA0022
MISSFRAQCAARVVREGGVIAYPTEAVWGLGCDPWNEDAVYRLLALKARPVEKGLIVVAANIHQLDFLLEDLPDVWLDRLAGTWPGPNTWLVPHQERLPEWVTGVHDSVAVRVTDHPLVQELCHLTGPLISTSANPAGRPAARTRLRVEQYFHDELDAILGGALGGRRNPSLIRDLVTGQVIRPA
References
External Links:
Resource Link
Genome ID: PA0022
Entrez Gene ID: 880711
NCBI Protein ID: 15595220
General Reference: PaperBLAST - Find papers about PA0022 and its homologs