MNMA_BARBK
ID MNMA_BARBK Reviewed; 391 AA.
AC A1UTJ1;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 06-FEB-2007, sequence version 1.
DT 03-AUG-2022, entry version 88.
DE RecName: Full=tRNA-specific 2-thiouridylase MnmA {ECO:0000255|HAMAP-Rule:MF_00144};
DE EC=2.8.1.13 {ECO:0000255|HAMAP-Rule:MF_00144};
GN Name=mnmA {ECO:0000255|HAMAP-Rule:MF_00144}; Synonyms=trmU;
GN OrderedLocusNames=BARBAKC583_1016;
OS Bartonella bacilliformis (strain ATCC 35685 / NCTC 12138 / KC583).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Bartonellaceae; Bartonella.
OX NCBI_TaxID=360095;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 35685 / NCTC 12138 / KC583;
RA Hendrix L., Mohamoud Y., Radune D., Shvartsbeyn A., Daugherty S.,
RA Dodson R., Durkin A.S., Harkins D., Huot H., Kothari S.P., Madupu R.,
RA Li J., Nelson W.C., Shrivastava S., Giglio M.G., Haft D., Selengut J.,
RA Fraser-Ligget C., Seshadri R.;
RL Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the 2-thiolation of uridine at the wobble position
CC (U34) of tRNA, leading to the formation of s(2)U34. {ECO:0000255|HAMAP-
CC Rule:MF_00144}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=AH2 + ATP + S-sulfanyl-L-cysteinyl-[protein] + uridine(34) in
CC tRNA = 2-thiouridine(34) in tRNA + A + AMP + diphosphate + H(+) + L-
CC cysteinyl-[protein]; Xref=Rhea:RHEA:47032, Rhea:RHEA-COMP:10131,
CC Rhea:RHEA-COMP:11726, Rhea:RHEA-COMP:11727, Rhea:RHEA-COMP:11728,
CC ChEBI:CHEBI:13193, ChEBI:CHEBI:15378, ChEBI:CHEBI:17499,
CC ChEBI:CHEBI:29950, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019,
CC ChEBI:CHEBI:61963, ChEBI:CHEBI:65315, ChEBI:CHEBI:87170,
CC ChEBI:CHEBI:456215; EC=2.8.1.13; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00144};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00144}.
CC -!- SIMILARITY: Belongs to the MnmA/TRMU family. {ECO:0000255|HAMAP-
CC Rule:MF_00144}.
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DR EMBL; CP000524; ABM45485.1; -; Genomic_DNA.
DR RefSeq; WP_005767552.1; NC_008783.1.
DR AlphaFoldDB; A1UTJ1; -.
DR SMR; A1UTJ1; -.
DR STRING; 360095.BARBAKC583_1016; -.
DR EnsemblBacteria; ABM45485; ABM45485; BARBAKC583_1016.
DR KEGG; bbk:BARBAKC583_1016; -.
DR PATRIC; fig|360095.6.peg.984; -.
DR eggNOG; COG0482; Bacteria.
DR HOGENOM; CLU_035188_0_1_5; -.
DR OMA; AVCTGHY; -.
DR OrthoDB; 1054741at2; -.
DR Proteomes; UP000000643; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0016783; F:sulfurtransferase activity; IEA:InterPro.
DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-KW.
DR GO; GO:0006400; P:tRNA modification; IEA:UniProtKB-UniRule.
DR CDD; cd01998; tRNA_Me_trans; 1.
DR Gene3D; 2.30.30.280; -; 1.
DR Gene3D; 3.40.50.620; -; 1.
DR HAMAP; MF_00144; tRNA_thiouridyl_MnmA; 1.
DR InterPro; IPR023382; Adenine_a_hdrlase_dom.
DR InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR InterPro; IPR004506; tRNA-specific_2-thiouridylase.
DR TIGRFAMs; TIGR00420; trmU; 1.
PE 3: Inferred from homology;
KW ATP-binding; Cytoplasm; Disulfide bond; Nucleotide-binding;
KW Reference proteome; RNA-binding; Transferase; tRNA processing;
KW tRNA-binding.
FT CHAIN 1..391
FT /note="tRNA-specific 2-thiouridylase MnmA"
FT /id="PRO_1000009509"
FT REGION 160..162
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT ACT_SITE 114
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT ACT_SITE 210
FT /note="Cysteine persulfide intermediate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT BINDING 20..27
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT BINDING 46
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT BINDING 138
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT SITE 139
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT SITE 352
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT DISULFID 114..210
FT /note="Alternate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
SQ SEQUENCE 391 AA; 43150 MW; 5FD4DFA86C492A10 CRC64;
MFLNSLDLPG PPENSRVVVA MSGGVDSSVV AGLLKREGYD VVGITLQLYD HGAATHRAGA
CCAGQDIEDA RRVAETLRIP YYVLDYESRF REAVIDPFAE SYARGETPIP CVACNQTVKF
ADLLVTAREL GADALATGHY IRSVSYGTHR ALFRPLDSER DQSYFLFATT QEQIDYLRFP
LGNLPKARVR EIAKEMGLTV ADKHDSQDIC FVPQGKYSDV IAKLRPEASN PGDIVHINGQ
ILGQHSGIIN YTVGQRRGIG VATGEALYVI FLDVENARVI VGPREMLETH KLFLRDVNWL
GDERLENFPS DCIDVAAKIR STRPPRPARL YYKEGIFSVD LLEGESSVAP GQACVFYNES
GDGARVLGGG FITHSERSTD AEERLQRVLH N