ID A0A0E3U448_9ENTR Unreviewed; 368 AA.
AC A0A0E3U448;
DT 24-JUN-2015, integrated into UniProtKB/TrEMBL.
DT 24-JUN-2015, sequence version 1.
DT 08-NOV-2023, entry version 28.
DE RecName: Full=tRNA-specific 2-thiouridylase MnmA {ECO:0000256|HAMAP-Rule:MF_00144};
DE EC=2.8.1.13 {ECO:0000256|HAMAP-Rule:MF_00144};
GN Name=mnmA {ECO:0000256|HAMAP-Rule:MF_00144,
GN ECO:0000313|EMBL:AKC60552.1};
GN ORFNames=BOBLI757_396 {ECO:0000313|EMBL:AKC60552.1};
OS Blochmannia endosymbiont of Camponotus (Colobopsis) obliquus.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; ant endosymbionts; Candidatus Blochmannia.
OX NCBI_TaxID=1505597 {ECO:0000313|EMBL:AKC60552.1, ECO:0000313|Proteomes:UP000033104};
RN [1] {ECO:0000313|EMBL:AKC60552.1, ECO:0000313|Proteomes:UP000033104}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=757 {ECO:0000313|EMBL:AKC60552.1,
RC ECO:0000313|Proteomes:UP000033104};
RX PubMed=25861561;
RA Williams L.E., Wernegreen J.J.;
RT "Genome evolution in an ancient bacteria-ant symbiosis: parallel gene loss
RT among Blochmannia spanning the origin of the ant tribe Camponotini.";
RL PeerJ 3:E881-E881(2015).
CC -!- FUNCTION: Catalyzes the 2-thiolation of uridine at the wobble position
CC (U34) of tRNA(Lys), tRNA(Glu) and tRNA(Gln), leading to the formation
CC of s(2)U34, the first step of tRNA-mnm(5)s(2)U34 synthesis. Sulfur is
CC provided by IscS, via a sulfur-relay system. Binds ATP and its
CC substrate tRNAs. {ECO:0000256|HAMAP-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;
CC Evidence={ECO:0000256|ARBA:ARBA00001042, ECO:0000256|HAMAP-
CC Rule:MF_00144};
CC -!- SUBUNIT: Interacts with TusE. {ECO:0000256|HAMAP-Rule:MF_00144}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00144}.
CC -!- SIMILARITY: Belongs to the MnmA/TRMU family. {ECO:0000256|HAMAP-
CC Rule:MF_00144}.
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DR EMBL; CP010049; AKC60552.1; -; Genomic_DNA.
DR RefSeq; WP_046305026.1; NZ_CP010049.1.
DR AlphaFoldDB; A0A0E3U448; -.
DR STRING; 1505597.BOBLI757_396; -.
DR KEGG; ben:BOBLI757_396; -.
DR PATRIC; fig|1505597.4.peg.389; -.
DR HOGENOM; CLU_035188_1_0_6; -.
DR OrthoDB; 9800696at2; -.
DR Proteomes; UP000033104; 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; Adenine nucleotide alpha hydrolases-like domains; 1.
DR Gene3D; 3.40.50.620; HUPs; 1.
DR Gene3D; 2.40.30.10; Translation factors; 1.
DR HAMAP; MF_00144; tRNA_thiouridyl_MnmA; 1.
DR InterPro; IPR046885; MnmA-like_C.
DR InterPro; IPR046884; MnmA-like_central.
DR InterPro; IPR023382; MnmA-like_central_sf.
DR InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR InterPro; IPR004506; tRNA-specific_2-thiouridylase.
DR NCBIfam; TIGR00420; trmU; 1.
DR PANTHER; PTHR11933:SF5; MITOCHONDRIAL TRNA-SPECIFIC 2-THIOURIDYLASE 1; 1.
DR PANTHER; PTHR11933; TRNA 5-METHYLAMINOMETHYL-2-THIOURIDYLATE -METHYLTRANSFERASE; 1.
DR Pfam; PF03054; tRNA_Me_trans; 1.
DR Pfam; PF20258; tRNA_Me_trans_C; 1.
DR Pfam; PF20259; tRNA_Me_trans_M; 1.
DR SUPFAM; SSF52402; Adenine nucleotide alpha hydrolases-like; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_00144}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00144};
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157, ECO:0000256|HAMAP-
KW Rule:MF_00144};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00144}; Reference proteome {ECO:0000313|Proteomes:UP000033104};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|HAMAP-
KW Rule:MF_00144};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00144};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_00144};
KW tRNA-binding {ECO:0000256|ARBA:ARBA00022555, ECO:0000256|HAMAP-
KW Rule:MF_00144}.
FT DOMAIN 208..276
FT /note="tRNA-specific 2-thiouridylase MnmA-like central"
FT /evidence="ECO:0000259|Pfam:PF20259"
FT DOMAIN 287..361
FT /note="tRNA-specific 2-thiouridylase MnmA-like C-terminal"
FT /evidence="ECO:0000259|Pfam:PF20258"
FT REGION 98..100
FT /note="Interaction with target base in tRNA"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT REGION 150..152
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT REGION 312..313
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT ACT_SITE 103
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT ACT_SITE 200
FT /note="Cysteine persulfide intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT BINDING 12..19
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT BINDING 38
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT BINDING 128
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT SITE 129
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT SITE 345
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT DISULFID 103..200
FT /note="Alternate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
SQ SEQUENCE 368 AA; 42220 MW; 757E9C6D50E09556 CRC64;
MSDNFSKKVV IAMSGGVDSS VSAWLLQEQG YKVEGVFMKN WEEDNDHKSC SSAKDLADAQ
DVCNMLGIFL YTVNFSAEYW DNVFRIFLSE YQKGCTPNPD ILCNKEIKFK TFLEFAIEDL
CADFIATGHY VRRINIDHKI YLARAVDKNK DQSYFLYTLK YQQLQRCLFP LGDIIKNEVR
NIAKKLKFIT ATKKDSTGIC FIGKRKFRDF LARYLPIQPG KIVTVKREII GYHQGLMYYT
LGQRKGLKIG GIRNSNGKPW YVVDKDLINN LLIVVQGNDH PLLKSYGLIA KDLHWVNSNE
LQKTFRCTAK TRYQQQDISC SVQLFCDNKV QVIFDQPVIA VTPGQSIVFY LDELCIGGGI
IETRMSYI
//