MNMA_PHOPR
ID MNMA_PHOPR Reviewed; 377 AA.
AC Q6LT18;
DT 02-SEP-2008, integrated into UniProtKB/Swiss-Prot.
DT 05-JUL-2004, sequence version 1.
DT 03-AUG-2022, entry version 95.
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}; OrderedLocusNames=PBPRA1147;
OS Photobacterium profundum (strain SS9).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC Photobacterium.
OX NCBI_TaxID=298386;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1253 / SS9;
RX PubMed=15746425; DOI=10.1126/science.1103341;
RA Vezzi A., Campanaro S., D'Angelo M., Simonato F., Vitulo N., Lauro F.M.,
RA Cestaro A., Malacrida G., Simionati B., Cannata N., Romualdi C.,
RA Bartlett D.H., Valle G.;
RT "Life at depth: Photobacterium profundum genome sequence and expression
RT analysis.";
RL Science 307:1459-1461(2005).
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; CR378666; CAG19558.1; -; Genomic_DNA.
DR AlphaFoldDB; Q6LT18; -.
DR SMR; Q6LT18; -.
DR STRING; 298386.PBPRA1147; -.
DR PRIDE; Q6LT18; -.
DR EnsemblBacteria; CAG19558; CAG19558; PBPRA1147.
DR KEGG; ppr:PBPRA1147; -.
DR eggNOG; COG0482; Bacteria.
DR HOGENOM; CLU_035188_1_0_6; -.
DR OMA; AVCTGHY; -.
DR Proteomes; UP000000593; Chromosome 1.
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..377
FT /note="tRNA-specific 2-thiouridylase MnmA"
FT /id="PRO_0000349736"
FT REGION 104..106
FT /note="Interaction with target base in tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT REGION 159..161
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT REGION 324..325
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT ACT_SITE 109
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT ACT_SITE 209
FT /note="Cysteine persulfide intermediate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT BINDING 18..25
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT BINDING 44
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT BINDING 134
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT SITE 135
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT SITE 357
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT DISULFID 109..209
FT /note="Alternate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
SQ SEQUENCE 377 AA; 42592 MW; D747441F15573EDB CRC64;
MRLKRNMSDN SQKKVIVGMS GGVDSSVSAY LLLQQGYQVE GLFMKNWEED DNEEYCSAAE
DLADAQAVCD KLGIHLHTIN FAAEYWDNVF EYFLAEYKAG RTPNPDILCN KEIKFKAFLE
FADEVLEADY IAMGHYTRRS FPTAEGEKPK MLRGVDSNKD QSYFLYTLSH EQIARSLFPV
GELEKPEVRR IAEEQDLITA KKKDSTGICF IGERKFTEFL GKYLPAQPGK IETADEGKVI
GEHQGLMYHT LGQRKGLHIG GQKGGNGLED AWYVVDKDLK RNVLIVGQGK DHPRLKSNGL
VASQLDWVDR QPIRETMTCT VKTRYRQEDI PCTIIPIDDE NIKVIFDEPQ IAVTPGQSAV
FYSNEICLGG GIIEQRI