MNMA_PSEA7
ID MNMA_PSEA7 Reviewed; 375 AA.
AC A6V4G0;
DT 02-SEP-2008, integrated into UniProtKB/Swiss-Prot.
DT 21-AUG-2007, sequence version 1.
DT 03-AUG-2022, entry version 78.
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=PSPA7_2581;
OS Pseudomonas aeruginosa (strain PA7).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC Pseudomonadaceae; Pseudomonas.
OX NCBI_TaxID=381754;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PA7;
RA Dodson R.J., Harkins D., Paulsen I.T.;
RL Submitted (JUN-2007) 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; CP000744; ABR86512.1; -; Genomic_DNA.
DR RefSeq; WP_012075452.1; NC_009656.1.
DR AlphaFoldDB; A6V4G0; -.
DR SMR; A6V4G0; -.
DR EnsemblBacteria; ABR86512; ABR86512; PSPA7_2581.
DR KEGG; pap:PSPA7_2581; -.
DR HOGENOM; CLU_035188_1_0_6; -.
DR OMA; AVCTGHY; -.
DR OrthoDB; 1054741at2; -.
DR Proteomes; UP000001582; 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; RNA-binding;
KW Transferase; tRNA processing; tRNA-binding.
FT CHAIN 1..375
FT /note="tRNA-specific 2-thiouridylase MnmA"
FT /id="PRO_0000349757"
FT REGION 102..104
FT /note="Interaction with target base in tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT REGION 153..155
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT REGION 315..316
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT ACT_SITE 107
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT ACT_SITE 203
FT /note="Cysteine persulfide intermediate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT BINDING 16..23
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT BINDING 42
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT BINDING 131
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT SITE 132
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT SITE 347
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT DISULFID 107..203
FT /note="Alternate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
SQ SEQUENCE 375 AA; 41858 MW; 14633DE8E1D922C7 CRC64;
MSESAPTPRR ERVIVGMSGG VDSSVSALLL QQQGYQVEGL FMKNWDEDDG TEYCTAREDL
ADAQAVCDRI GIKLHTANFA AEYWDNVFEH FLAEYKAGRT PNPDILCNRE IKFKAFLDYA
LMLGADLIAT GHYVRRRDLD GRTELLKGLD PNKDQSYFLH AVGGEQIARS LFPVGELEKP
EVRAIAEKHG LATAKKKDST GICFIGERRF TDFLKQYLPA QPGDIETTEG KVIGRHSGLM
YHTIGQRQGL GIGGLKEAGD DPWYVLGKDL QRNVLLVGQG NDHPLLFSRA LLASRIYWVN
PVELERPRRL RAKVRYRQSD QDCVLEKTAD GYRAVFDEPQ RAVTPGQSVV FYDGEVCLGG
GVIETAEAWD FGGRP