UniProtKB - Q9V106 (TRCM_PYRAB)
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Protein
tRNA (cytosine(49)-C(5))-methyltransferase
Gene
PYRAB06230
Organism
Pyrococcus abyssi (strain GE5 / Orsay)
Status
Functioni
Catalyzes AdoMet-dependent formation of m5C in tRNA. In the presence of protein archease, specifically methylates the cytosine at position 49 (m5C49) of tRNA. In the absence of archease, catalyzes the formation of m5C at many locations in tRNAs or rRNAs.1 Publication
Catalytic activityi
S-adenosyl-L-methionine + cytosine(49) in tRNA precursor = S-adenosyl-L-homocysteine + 5-methylcytosine(49) in tRNA precursor.1 Publication
Enzyme regulationi
Substrate specificity and tendency to aggregate are influenced by archease.1 Publication
Sites
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Binding sitei | 142 | S-adenosyl-L-methioninePROSITE-ProRule annotation | 1 | |
Binding sitei | 169 | S-adenosyl-L-methioninePROSITE-ProRule annotation | 1 | |
Binding sitei | 186 | S-adenosyl-L-methioninePROSITE-ProRule annotation | 1 | |
Active sitei | 239 | NucleophilePROSITE-ProRule annotation | 1 |
GO - Molecular functioni
- tRNA (cytosine-5-)-methyltransferase activity Source: UniProtKB
- tRNA binding Source: UniProtKB
GO - Biological processi
- rRNA processing Source: InterPro
- tRNA methylation Source: UniProtKB
Keywordsi
Molecular function | Methyltransferase, RNA-binding, Transferase, tRNA-binding |
Biological process | tRNA processing |
Ligand | S-adenosyl-L-methionine |
Enzyme and pathway databases
BioCyci | PABY272844:G1GT8-679-MONOMER |
BRENDAi | 2.1.1.B43 5242 |
Names & Taxonomyi
Protein namesi | |
Gene namesi | Ordered Locus Names:PYRAB06230 ORF Names:PAB1947 |
Organismi | Pyrococcus abyssi (strain GE5 / Orsay) |
Taxonomic identifieri | 272844 [NCBI] |
Taxonomic lineagei | Archaea › Euryarchaeota › Thermococci › Thermococcales › Thermococcaceae › Pyrococcus › |
Proteomesi |
|
Subcellular locationi
- Cytoplasm Curated
GO - Cellular componenti
- cytoplasm Source: UniProtKB-SubCell
Keywords - Cellular componenti
CytoplasmPTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_0000406990 | 1 – 311 | tRNA (cytosine(49)-C(5))-methyltransferaseAdd BLAST | 311 |
Interactioni
Subunit structurei
Forms a tripartite complex with archease and tRNA. Binds only the oligomeric forms of the archease.1 Publication
Protein-protein interaction databases
STRINGi | 272844.PAB1947 |
Structurei
3D structure databases
ProteinModelPortali | Q9V106 |
SMRi | Q9V106 |
ModBasei | Search... |
MobiDBi | Search... |
Family & Domainsi
Region
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Regioni | 118 – 124 | S-adenosyl-L-methionine bindingPROSITE-ProRule annotation | 7 |
Sequence similaritiesi
Belongs to the class I-like SAM-binding methyltransferase superfamily. RsmB/NOP family.PROSITE-ProRule annotation
Phylogenomic databases
eggNOGi | arCOG00973 Archaea COG0144 LUCA |
HOGENOMi | HOG000224258 |
KOi | K22446 |
OMAi | EASSMIP |
OrthoDBi | POG093Z05L5 |
Family and domain databases
InterProi | View protein in InterPro IPR031341 Methyltr_RsmF_N IPR001678 MeTrfase_RsmB/NOP2 IPR011023 Nop2p IPR023267 RCMT IPR029063 SAM-dependent_MTases |
Pfami | View protein in Pfam PF01189 Methyltr_RsmB-F, 1 hit PF17125 Methyltr_RsmF_N, 1 hit |
PRINTSi | PR02008 RCMTFAMILY |
SUPFAMi | SSF53335 SSF53335, 1 hit |
TIGRFAMsi | TIGR00446 nop2p, 1 hit |
PROSITEi | View protein in PROSITE PS51686 SAM_MT_RSMB_NOP, 1 hit |
i Sequence
Sequence statusi: Complete.
Q9V106-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MDYKEEFKKI NKKLVERYSK LDDSEEFWAY LYKPLRPSIR INTLKGNLKE
60 70 80 90 100
IKALLEEKFE LEPIPWTKGE GFYIKSYDVN YGQLIEYSLG LIIPQEASSM
110 120 130 140 150
IPPVVLDPKP SEVILDMAAA PGSKTTQMAQ YMENEGCIIA NDAKRDRANI
160 170 180 190 200
LIANLTRAGV LIAKVTVKDG AYFARYENTF DRVLLDAPCS SVGMIRKNFK
210 220 230 240 250
FARTWSIGKV YYHSRLQKRL ILAAYKSLKP GGVLVYSTCT VDPLENEEVV
260 270 280 290 300
DFLLQKTDAK LEKVKLPLKT SEPVIEWEGR KYSDEVRKTI RIHPQDNDTE
310
AFYIAKIRKP R
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | AJ248284 Genomic DNA Translation: CAB49545.1 HE613800 Genomic DNA Translation: CCE70017.1 |
PIRi | B75183 |
RefSeqi | WP_010867747.1, NC_000868.1 |
Genome annotation databases
EnsemblBacteriai | CAB49545; CAB49545; PAB1947 |
GeneIDi | 1495530 |
KEGGi | pab:PAB1947 |
PATRICi | fig|272844.11.peg.663 |
Similar proteinsi
Entry informationi
Entry namei | TRCM_PYRAB | |
Accessioni | Q9V106Primary (citable) accession number: Q9V106 Secondary accession number(s): G8ZJ90 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | April 5, 2011 |
Last sequence update: | May 1, 2000 | |
Last modified: | April 25, 2018 | |
This is version 94 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Prokaryotic Protein Annotation Program |