KAE1_THESM
ID KAE1_THESM Reviewed; 324 AA.
AC C6A5J5;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 01-SEP-2009, sequence version 1.
DT 03-AUG-2022, entry version 79.
DE RecName: Full=tRNA N6-adenosine threonylcarbamoyltransferase {ECO:0000255|HAMAP-Rule:MF_01446};
DE EC=2.3.1.234 {ECO:0000255|HAMAP-Rule:MF_01446};
DE AltName: Full=N6-L-threonylcarbamoyladenine synthase {ECO:0000255|HAMAP-Rule:MF_01446};
DE Short=t(6)A synthase {ECO:0000255|HAMAP-Rule:MF_01446};
DE AltName: Full=t(6)A37 threonylcarbamoyladenosine biosynthesis protein Kae1 {ECO:0000255|HAMAP-Rule:MF_01446};
DE AltName: Full=tRNA threonylcarbamoyladenosine biosynthesis protein Kae1 {ECO:0000255|HAMAP-Rule:MF_01446};
GN Name=kae1 {ECO:0000255|HAMAP-Rule:MF_01446}; OrderedLocusNames=TSIB_1839;
OS Thermococcus sibiricus (strain DSM 12597 / MM 739).
OC Archaea; Euryarchaeota; Thermococci; Thermococcales; Thermococcaceae;
OC Thermococcus.
OX NCBI_TaxID=604354;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 12597 / MM 739;
RX PubMed=19447963; DOI=10.1128/aem.00718-09;
RA Mardanov A.V., Ravin N.V., Svetlitchnyi V.A., Beletsky A.V.,
RA Miroshnichenko M.L., Bonch-Osmolovskaya E.A., Skryabin K.G.;
RT "Metabolic versatility and indigenous origin of the archaeon Thermococcus
RT sibiricus, isolated from a siberian oil reservoir, as revealed by genome
RT analysis.";
RL Appl. Environ. Microbiol. 75:4580-4588(2009).
CC -!- FUNCTION: Required for the formation of a threonylcarbamoyl group on
CC adenosine at position 37 (t(6)A37) in tRNAs that read codons beginning
CC with adenine. Is a component of the KEOPS complex that is probably
CC involved in the transfer of the threonylcarbamoyl moiety of
CC threonylcarbamoyl-AMP (TC-AMP) to the N6 group of A37. Kae1 likely
CC plays a direct catalytic role in this reaction, but requires other
CC protein(s) of the complex to fulfill this activity. {ECO:0000255|HAMAP-
CC Rule:MF_01446}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=adenosine(37) in tRNA + L-threonylcarbamoyladenylate = AMP +
CC H(+) + N(6)-L-threonylcarbamoyladenosine(37) in tRNA;
CC Xref=Rhea:RHEA:37059, Rhea:RHEA-COMP:10162, Rhea:RHEA-COMP:10163,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:73682, ChEBI:CHEBI:74411,
CC ChEBI:CHEBI:74418, ChEBI:CHEBI:456215; EC=2.3.1.234;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01446};
CC -!- COFACTOR:
CC Name=Fe(2+); Xref=ChEBI:CHEBI:29033;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01446};
CC Note=Binds 1 Fe(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01446};
CC -!- SUBUNIT: Monomer. Component of the KEOPS complex that consists of Kae1,
CC Bud32, Cgi121 and Pcc1; the whole complex dimerizes.
CC {ECO:0000255|HAMAP-Rule:MF_01446}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01446}.
CC -!- SIMILARITY: Belongs to the KAE1 / TsaD family. {ECO:0000255|HAMAP-
CC Rule:MF_01446}.
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DR EMBL; CP001463; ACS90890.1; -; Genomic_DNA.
DR RefSeq; WP_015850106.1; NC_012883.1.
DR AlphaFoldDB; C6A5J5; -.
DR SMR; C6A5J5; -.
DR STRING; 604354.TSIB_1839; -.
DR EnsemblBacteria; ACS90890; ACS90890; TSIB_1839.
DR GeneID; 8096850; -.
DR KEGG; tsi:TSIB_1839; -.
DR eggNOG; arCOG01183; Archaea.
DR HOGENOM; CLU_023208_2_2_2; -.
DR OMA; MRIMCEE; -.
DR OrthoDB; 34679at2157; -.
DR Proteomes; UP000009079; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0000408; C:EKC/KEOPS complex; IEA:InterPro.
DR GO; GO:0005506; F:iron ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0061711; F:N(6)-L-threonylcarbamoyladenine synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0002949; P:tRNA threonylcarbamoyladenosine modification; IEA:UniProtKB-UniRule.
DR HAMAP; MF_01446; Kae1; 1.
DR InterPro; IPR043129; ATPase_NBD.
DR InterPro; IPR000905; Gcp-like_dom.
DR InterPro; IPR017861; KAE1/TsaD.
DR InterPro; IPR022449; Kae1_arc.
DR InterPro; IPR034680; Kae1_archaea_euk.
DR InterPro; IPR017860; Peptidase_M22_CS.
DR PANTHER; PTHR11735; PTHR11735; 1.
DR PANTHER; PTHR11735:SF14; PTHR11735:SF14; 1.
DR Pfam; PF00814; TsaD; 1.
DR PRINTS; PR00789; OSIALOPTASE.
DR SUPFAM; SSF53067; SSF53067; 1.
DR TIGRFAMs; TIGR03722; arch_KAE1; 1.
DR TIGRFAMs; TIGR00329; gcp_kae1; 1.
DR PROSITE; PS01016; GLYCOPROTEASE; 1.
PE 3: Inferred from homology;
KW Acyltransferase; Cytoplasm; Iron; Metal-binding; Reference proteome;
KW Transferase; tRNA processing.
FT CHAIN 1..324
FT /note="tRNA N6-adenosine threonylcarbamoyltransferase"
FT /id="PRO_1000215320"
FT BINDING 107
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01446"
FT BINDING 111
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01446"
FT BINDING 127..131
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01446"
FT BINDING 127
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01446"
FT BINDING 159
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01446"
FT BINDING 172
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01446"
FT BINDING 176
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01446"
FT BINDING 257
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01446"
FT BINDING 285
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01446"
SQ SEQUENCE 324 AA; 35508 MW; D0CF798805C1B54D CRC64;
MIALGIEGTA HTLGIGIVTE DKVLANVFNT LTTEKGGIHP KEAAEHHAKL LRPLLKKALQ
EAKVNIKDVD VIAFSQGPGL GPALRVVATA ARALALRYNK PIVGVNHCIA HVEVTKMFGI
KDPVGLYVSG GNTQILALEG GRYRVFGETL DIGIGNAIDT FAREIGLGFP GGPKIEKLAQ
RGEKYIELPY TVKGMDLSFS GILTEAVRKY KTGKYKLEDI AYSFQETAFA ALIEVTERAV
AHTGKEEVVL VGGVAANNRL REMLKTMSEE RSIKFFVPPY DLCRDNGAMI AYNGLRMFKA
GIRFNIEETI VKQKFRTDEM EVTW
