MNMA_PHYAS
ID MNMA_PHYAS Reviewed; 375 AA.
AC B1VAX7;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 20-MAY-2008, sequence version 1.
DT 03-AUG-2022, entry version 75.
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=PA0766;
OS Phytoplasma australiense.
OC Bacteria; Tenericutes; Mollicutes; Acholeplasmatales; Acholeplasmataceae;
OC Candidatus Phytoplasma; 16SrXII (Stolbur group).
OX NCBI_TaxID=59748;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=18359806; DOI=10.1128/jb.01301-07;
RA Tran-Nguyen L.T., Kube M., Schneider B., Reinhardt R., Gibb K.S.;
RT "Comparative genome analysis of 'Candidatus Phytoplasma australiense'
RT (subgroup tuf-Australia I; rp-A) and 'Ca. Phytoplasma asteris' strains OY-M
RT and AY-WB.";
RL J. Bacteriol. 190:3979-3991(2008).
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; AM422018; CAM12100.1; -; Genomic_DNA.
DR RefSeq; WP_012359210.1; NC_010544.1.
DR AlphaFoldDB; B1VAX7; -.
DR SMR; B1VAX7; -.
DR STRING; 59748.PA0766; -.
DR EnsemblBacteria; CAM12100; CAM12100; PA0766.
DR KEGG; pal:PA0766; -.
DR eggNOG; COG0482; Bacteria.
DR OMA; AVCTGHY; -.
DR Proteomes; UP000008323; 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..375
FT /note="tRNA-specific 2-thiouridylase MnmA"
FT /id="PRO_1000198619"
FT REGION 102..104
FT /note="Interaction with target base in tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT REGION 155..157
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT REGION 313..314
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 205
FT /note="Cysteine persulfide intermediate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT BINDING 7..14
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT BINDING 33
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT BINDING 132
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT SITE 133
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT SITE 346
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
FT DISULFID 107..205
FT /note="Alternate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00144"
SQ SEQUENCE 375 AA; 43003 MW; 6BFB8421EA561CBE CRC64;
MKKVVVGLSG GVDSAVSALL LKKAGYEVEA VFMRNWDSQL NFDFQGNPTL NDVCPQELDY
KDALKVSLQL GIKLHRVNFI EEYWQKVFLY FINAFKNNLT PNPDILCNNE IKFKAFINYA
TSKLKPQYIA MGHYARLIYD KNQKVSLACP LDKNKDQTYF LSQLKTSQLK NILFPLADLT
KKEVRKIALE NGLINACKKD STGICFIGER NFFQFLNNYL PAQKGSIKRL DGTFLTYHKG
VIHYTIGQRK NLGLGNFSSG QEPFFVVGKN LKTNTLYVEP NSQHPHLYSD RALIIDVTWR
GEKTKTQIQA KMRYRQPNQK VTLNWLDANT LEILYPQKIK AVTPGQICAF YDDDICLGAG
VIKEVYFQNQ KRLYT
