TSAD_LACAC
ID TSAD_LACAC Reviewed; 349 AA.
AC Q5FLZ3;
DT 11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT 01-MAR-2005, sequence version 1.
DT 03-AUG-2022, entry version 94.
DE RecName: Full=tRNA N6-adenosine threonylcarbamoyltransferase {ECO:0000255|HAMAP-Rule:MF_01445};
DE EC=2.3.1.234 {ECO:0000255|HAMAP-Rule:MF_01445};
DE AltName: Full=N6-L-threonylcarbamoyladenine synthase {ECO:0000255|HAMAP-Rule:MF_01445};
DE Short=t(6)A synthase {ECO:0000255|HAMAP-Rule:MF_01445};
DE AltName: Full=t(6)A37 threonylcarbamoyladenosine biosynthesis protein TsaD {ECO:0000255|HAMAP-Rule:MF_01445};
DE AltName: Full=tRNA threonylcarbamoyladenosine biosynthesis protein TsaD {ECO:0000255|HAMAP-Rule:MF_01445};
GN Name=tsaD {ECO:0000255|HAMAP-Rule:MF_01445}; Synonyms=gcp;
GN OrderedLocusNames=LBA0390;
OS Lactobacillus acidophilus (strain ATCC 700396 / NCK56 / N2 / NCFM).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC Lactobacillus.
OX NCBI_TaxID=272621;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700396 / NCK56 / N2 / NCFM;
RX PubMed=15671160; DOI=10.1073/pnas.0409188102;
RA Altermann E., Russell W.M., Azcarate-Peril M.A., Barrangou R., Buck B.L.,
RA McAuliffe O., Souther N., Dobson A., Duong T., Callanan M., Lick S.,
RA Hamrick A., Cano R., Klaenhammer T.R.;
RT "Complete genome sequence of the probiotic lactic acid bacterium
RT Lactobacillus acidophilus NCFM.";
RL Proc. Natl. Acad. Sci. U.S.A. 102:3906-3912(2005).
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 involved in the transfer of the threonylcarbamoyl
CC moiety of threonylcarbamoyl-AMP (TC-AMP) to the N6 group of A37,
CC together with TsaE and TsaB. TsaD likely plays a direct catalytic role
CC in this reaction. {ECO:0000255|HAMAP-Rule:MF_01445}.
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_01445};
CC -!- COFACTOR:
CC Name=Fe(2+); Xref=ChEBI:CHEBI:29033;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01445};
CC Note=Binds 1 Fe(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01445};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01445}.
CC -!- SIMILARITY: Belongs to the KAE1 / TsaD family. {ECO:0000255|HAMAP-
CC Rule:MF_01445}.
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DR EMBL; CP000033; AAV42281.1; -; Genomic_DNA.
DR RefSeq; WP_003549127.1; NC_006814.3.
DR RefSeq; YP_193312.1; NC_006814.3.
DR AlphaFoldDB; Q5FLZ3; -.
DR SMR; Q5FLZ3; -.
DR STRING; 272621.LBA0390; -.
DR PRIDE; Q5FLZ3; -.
DR EnsemblBacteria; AAV42281; AAV42281; LBA0390.
DR GeneID; 56941997; -.
DR KEGG; lac:LBA0390; -.
DR PATRIC; fig|272621.13.peg.376; -.
DR eggNOG; COG0533; Bacteria.
DR HOGENOM; CLU_023208_0_2_9; -.
DR OMA; HLEGHIY; -.
DR BioCyc; LACI272621:G1G49-384-MON; -.
DR Proteomes; UP000006381; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
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_01445; TsaD; 1.
DR InterPro; IPR043129; ATPase_NBD.
DR InterPro; IPR000905; Gcp-like_dom.
DR InterPro; IPR017861; KAE1/TsaD.
DR InterPro; IPR022450; TsaD.
DR PANTHER; PTHR11735; PTHR11735; 1.
DR PANTHER; PTHR11735:SF6; PTHR11735:SF6; 1.
DR Pfam; PF00814; TsaD; 1.
DR PRINTS; PR00789; OSIALOPTASE.
DR SUPFAM; SSF53067; SSF53067; 2.
DR TIGRFAMs; TIGR00329; gcp_kae1; 1.
DR TIGRFAMs; TIGR03723; T6A_TsaD_YgjD; 1.
PE 3: Inferred from homology;
KW Acyltransferase; Cytoplasm; Iron; Metal-binding; Reference proteome;
KW Transferase; tRNA processing.
FT CHAIN 1..349
FT /note="tRNA N6-adenosine threonylcarbamoyltransferase"
FT /id="PRO_0000303389"
FT BINDING 117
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01445"
FT BINDING 121
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01445"
FT BINDING 139..143
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01445"
FT BINDING 172
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01445"
FT BINDING 185
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01445"
FT BINDING 189
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01445"
FT BINDING 278
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01445"
FT BINDING 310
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01445"
SQ SEQUENCE 349 AA; 37748 MW; 6079A031AE5A70BF CRC64;
MSEKKDVRIL AYESSCDETS TAVIKNGREI ESLIVATQIK SHQRFGGVVP EVASRHHIEV
VSQITKEALN EANCSWKDID AIAVTYGPGL VGALLIGVSA AKAVSMATGI PLIGVDHIMG
HIMAAQLKDE IEYPAIALQV SGGHTEIVLL KDPTHFEIIG DTRDDAAGEA YDKIGRVLGV
NYPAGKTIDA WAHQGKDTFN FPRAMLEDDD YDFSFSGLKS AFINTCHHAD QIHEKLNKYD
LAASFQAAVI DVLAHKTIRA IKEYKPKTFI MGGGVAANQG LRDRMSEEIA KLPKADQPKV
ILPDLKLCGD NAAMIGAAAY NLYNGGQFAD LTLNADPSLE LPYAKSMLN
