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trm14 trm14 rnp2 rnp2 truD1 truD1 rtcB rtcB flpA flpA truD2 truD2 MJ_1385 MJ_1385 endA endA trmJ trmJ MJ_1478 MJ_1478 rnz rnz tiaS tiaS cca cca MJ_1130 MJ_1130 MJ_1136 MJ_1136 rnp3 rnp3 rpl7ae rpl7ae truA truA trmG10 trmG10 trmY trmY rnp4 rnp4 arcS arcS MJ_0950 MJ_0950 trm1 trm1 trm5b trm5b MJ_0867 MJ_0867 taw3 taw3 taw2 taw2 MJ_0024 MJ_0024 trm4 trm4 pus10 pus10 MJ_0062 MJ_0062 trmI trmI truB truB taw1 taw1 tgtA tgtA rnp1 rnp1
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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query proteins and first shell of interactors
white nodes:
second shell of interactors
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proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
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trm14Conserved hypothetical protein; S-adenosyl-L-methionine-dependent methyltransferase that catalyzes the methylation of the guanosine nucleotide at position 6 (m2G6) in tRNA(Cys). (381 aa)
rnp2Conserved hypothetical protein; Part of ribonuclease P, a protein complex that generates mature tRNA molecules by cleaving their 5'-ends. Belongs to the eukaryotic/archaeal RNase P protein component 2 family. (134 aa)
truD1Conserved hypothetical protein; Could be responsible for synthesis of pseudouridine from uracil-13 in transfer RNAs; Belongs to the pseudouridine synthase TruD family. (430 aa)
rtcBConserved hypothetical protein; GTP-dependent RNA ligase that is involved in tRNA splicing and RNA repair. Joins RNA with 2',3'-cyclic-phosphate or 3'-phosphate ends to RNA with 5'-hydroxy ends; Belongs to the RtcB family. (968 aa)
flpAFibrillarin (fib); Involved in pre-rRNA and tRNA processing. Utilizes the methyl donor S-adenosyl-L-methionine to catalyze the site-specific 2'-hydroxyl methylation of ribose moieties in rRNA and tRNA. Site specificity is provided by a guide RNA that base pairs with the substrate. Methylation occurs at a characteristic distance from the sequence involved in base pairing with the guide RNA. (230 aa)
truD2Conserved hypothetical protein; Could be responsible for synthesis of pseudouridine from uracil-13 in transfer RNAs; Belongs to the pseudouridine synthase TruD family. (487 aa)
MJ_1385Conserved hypothetical protein; Specifically catalyzes the AdoMet-dependent 2'-O-ribose methylation of cytidine at position 56 in tRNAs; Belongs to the aTrm56 family. (179 aa)
endAtRNA intron endonuclease (endA); Endonuclease that removes tRNA introns. Cleaves pre-tRNA at the 5'- and 3'-splice sites to release the intron. The products are an intron and two tRNA half-molecules bearing 2',3' cyclic phosphate and 5'-OH termini. Recognizes a pseudosymmetric substrate in which 2 bulged loops of 3 bases are separated by a stem of 4 bp. (179 aa)
trmJConserved hypothetical protein; Catalyzes the formation of 2'O-methylated cytidine (Cm32) at position 32 in tRNA; Belongs to the class IV-like SAM-binding methyltransferase superfamily. RNA methyltransferase TrmH family. (230 aa)
MJ_1478Conserved hypothetical protein; Catalyzes the ATP-dependent 2-thiolation of 5-methyluridine residue at position 54 in the T loop of tRNAs, leading to 5-methyl-2- thiouridine (m(5)s(2)U or s(2)T) (By similarity). This modification allows thermal stabilization of tRNAs in thermophilic microorganisms, and is required for cell growth at high temperatures (By similarity). Belongs to the TtcA family. TtuA subfamily. (303 aa)
rnzConserved hypothetical protein; Zinc phosphodiesterase, which displays some tRNA 3'- processing endonuclease activity. Probably involved in tRNA maturation, by removing a 3'-trailer from precursor tRNA; Belongs to the RNase Z family. (324 aa)
tiaSConserved hypothetical protein; ATP-dependent agmatine transferase that catalyzes the formation of 2-agmatinylcytidine (agm2C) at the wobble position (C34) of tRNA(Ile2), converting the codon specificity from AUG to AUA. (423 aa)
ccatRNA nucleotidyltransferase (cca); Catalyzes the addition and repair of the essential 3'- terminal CCA sequence in tRNAs without using a nucleic acid template. Adds these three nucleotides in the order of C, C, and A to the tRNA nucleotide-73, using CTP and ATP as substrates and producing inorganic pyrophosphate; Belongs to the tRNA nucleotidyltransferase/poly(A) polymerase family. Archaeal CCA-adding enzyme subfamily. (449 aa)
MJ_1130O-sialoglycoprotein endopeptidase (gcp); Required for the formation of a threonylcarbamoyl group on adenosine at position 37 (t(6)A37) in tRNAs that read codons beginning with adenine. Is a component of the KEOPS complex that is probably involved in the transfer of the threonylcarbamoyl moiety of threonylcarbamoyl-AMP (TC-AMP) to the N6 group of A37. The Kae1 domain likely plays a direct catalytic role in this reaction (By similarity). The Bud32 domain probably displays kinase activity that regulates Kae1 function. In vitro, exhibits low ATPase activity, but does not bind DNA and does [...] (535 aa)
MJ_1136Conserved hypothetical protein; tRNA uridine(34) acetyltransferase, which mediates formation of carboxymethyluridine in the wobble base at position 34 in tRNAs. The proposed mechanism is the following: (i) recruits S-adenosyl-L- methionine and cleaves it to generate a 5'-deoxyadenosine radical (5'- dA) in the radical S-adenosyl-L-methionine (rSAM) region, (ii) hydrolyzes acetyl-CoA in the N-acetyltransferase domain and (iii) an acetyl radical is formed by the products of the two domains and (iv) is transferred onto the C5 position of uridine(34) in the bound tRNA molecule. Does not sho [...] (541 aa)
rnp3Hypothetical protein; Part of ribonuclease P, a protein complex that generates mature tRNA molecules by cleaving their 5'-ends. Belongs to the eukaryotic/archaeal RNase P protein component 3 family. (232 aa)
rpl7aeLSU ribosomal protein L7AE; Multifunctional RNA-binding protein that recognizes the K- turn motif in ribosomal RNA, the RNA component of RNase P, box H/ACA, box C/D and box C'/D' sRNAs; Belongs to the eukaryotic ribosomal protein eL8 family. (117 aa)
truAPseudouridylate synthase I (truA); Formation of pseudouridine at positions 38, 39 and 40 in the anticodon stem and loop of transfer RNAs; Belongs to the tRNA pseudouridine synthase TruA family. (259 aa)
trmG10Conserved hypothetical protein; Catalyzes the adenosylmethionine-dependent methylation of the exocyclic amino group (N(2)) of guanosine at position 10 of various tRNAs. Acts via a two-step process that leads to the formation of either N(2)-monomethyl (m(2)G) or N(2)-dimethylguanosine (m(2)(2)G) (By similarity); Belongs to the methyltransferase superfamily. Trm-G10 family. (351 aa)
trmYConserved hypothetical protein; Specifically catalyzes the N1-methylation of pseudouridine at position 54 (Psi54) in tRNAs; Belongs to the methyltransferase superfamily. TrmY family. (205 aa)
rnp4Conserved hypothetical protein; Part of ribonuclease P, a protein complex that generates mature tRNA molecules by cleaving their 5'-ends. (128 aa)
arcSAlignment in; Is responsible for the final step in the biosynthesis of archaeosine, a modified nucleoside present in the dihydrouridine loop (D-loop) of archaeal tRNA. Catalyzes the conversion of 7-cyano-7- deazaguanine (preQ0)-modified tRNA to archaeosine-tRNA, transforming a nitrile group to a formamidine group. Can use either glutamine, asparagine or ammonium as amino donor. (569 aa)
MJ_0950Conserved hypothetical protein; RNA-free RNase P that catalyzes the removal of the 5'-leader sequence from pre-tRNA to produce the mature 5'-terminus. Belongs to the HARP family. (233 aa)
trm1N2,N2-dimethylguanosine tRNA methyltransferase (trm1); Dimethylates a single guanine residue at position 26 of a number of tRNAs using S-adenosyl-L-methionine as donor of the methyl groups; Belongs to the class I-like SAM-binding methyltransferase superfamily. Trm1 family. (374 aa)
trm5bConserved hypothetical protein; Specifically methylates the N1 position of guanosine-37 in various tRNAs. (336 aa)
MJ_0867Conserved hypothetical protein; Catalyzes the methylthiolation of N6- threonylcarbamoyladenosine (t(6)A), leading to the formation of 2- methylthio-N6-threonylcarbamoyladenosine (ms(2)t(6)A) at position 37 in tRNAs that read codons beginning with adenine. (427 aa)
taw3Conserved hypothetical protein; S-adenosyl-L-methionine-dependent methyltransferase that acts as a component of the wyosine derivatives biosynthesis pathway. Probably methylates N-4 position of wybutosine-86 to produce wybutosine-72; Belongs to the TYW3 family. (193 aa)
taw2Met-10+ related protein; S-adenosyl-L-methionine-dependent transferase that acts as a component of the wyosine derivatives biosynthesis pathway. Catalyzes the transfer of the alpha-amino-alpha-carboxypropyl (acp) group from S- adenosyl-L-methionine to 4-demethylwyosine (imG-14), forming 7- aminocarboxypropyl-demethylwyosine (wybutosine-86) at position 37 of tRNA(Phe). (249 aa)
MJ_0024Conserved hypothetical protein; Activates the tRNA-splicing ligase complex by facilitating the enzymatic turnover of catalytic subunit RtcB. Acts by promoting the guanylylation of RtcB, a key intermediate step in tRNA ligation. Can also alter the NTP specificity of RtcB such that ATP, dGTP or ITP is used efficiently (By similarity). (139 aa)
trm4Proliferating-cell nucleolar antigen, FMU/NOL1/NOP2 family; Catalyzes AdoMet-dependent formation of m5C in tRNA. Cytidine residue at either position 40 or position 48 is likely to be methylated; Belongs to the class I-like SAM-binding methyltransferase superfamily. RsmB/NOP family. (274 aa)
pus10Conserved hypothetical protein; Responsible for synthesis of pseudouridine from uracil-54 and uracil-55 in the psi GC loop of transfer RNAs. (454 aa)
MJ_0062Hypothetical protein; 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, HCO(3)(-)/CO(2) and ATP to give threonylcarbamoyl-AMP (TC-AMP) as the acyladenylate intermediate, with the release of diphosphate. (207 aa)
trmIL-isoaspartyl protein carboxyl methyltransferase isolog (pimT); Catalyzes the S-adenosyl-L-methionine-dependent formation of N(1)-methyladenine at position 58 (m1A58) in tRNA. Belongs to the class I-like SAM-binding methyltransferase superfamily. TRM61 family. (282 aa)
truBCentromere/microtubule-binding protein (cbf5); Could be responsible for synthesis of pseudouridine from uracil-55 in the psi GC loop of transfer RNAs. (336 aa)
taw1Conserved hypothetical protein; Component of the wyosine derivatives biosynthesis pathway that catalyzes the condensation of N-methylguanine with 2 carbon atoms from pyruvate to form the tricyclic 4-demethylwyosine (imG-14) on guanosine-37 of tRNA(Phe). (311 aa)
tgtAQueuine tRNA-ribosyltransferase (tgtA); Exchanges the guanine residue with 7-cyano-7-deazaguanine (preQ0) at position 15 in the dihydrouridine loop (D-loop) of archaeal tRNAs. Can also utilize guanine as substrate. (550 aa)
rnp1Conserved hypothetical protein; Part of ribonuclease P, a protein complex that generates mature tRNA molecules by cleaving their 5'-ends. Belongs to the eukaryotic/archaeal RNase P protein component 1 family. (95 aa)
Your Current Organism:
Methanocaldococcus jannaschii
NCBI taxonomy Id: 243232
Other names: M. jannaschii DSM 2661, Methanocaldococcus jannaschii DSM 2661, Methanocaldococcus jannaschii str. DSM 2661, Methanococcus jannaschii DSM 2661
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