ID A0A1I1U553_9BACT Unreviewed; 459 AA.
AC A0A1I1U553;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 21.
DE RecName: Full=tRNA modification GTPase MnmE {ECO:0000256|HAMAP-Rule:MF_00379};
DE EC=3.6.-.- {ECO:0000256|HAMAP-Rule:MF_00379};
GN Name=mnmE {ECO:0000256|HAMAP-Rule:MF_00379};
GN Synonyms=trmE {ECO:0000256|HAMAP-Rule:MF_00379};
GN ORFNames=SAMN05216167_10627 {ECO:0000313|EMBL:SFD63020.1};
OS Spirosoma endophyticum.
OC Bacteria; Bacteroidota; Cytophagia; Cytophagales; Cytophagaceae; Spirosoma.
OX NCBI_TaxID=662367 {ECO:0000313|EMBL:SFD63020.1, ECO:0000313|Proteomes:UP000198598};
RN [1] {ECO:0000313|EMBL:SFD63020.1, ECO:0000313|Proteomes:UP000198598}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 26130 {ECO:0000313|EMBL:SFD63020.1,
RC ECO:0000313|Proteomes:UP000198598};
RA de Groot N.N.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Exhibits a very high intrinsic GTPase hydrolysis rate.
CC Involved in the addition of a carboxymethylaminomethyl (cmnm) group at
CC the wobble position (U34) of certain tRNAs, forming tRNA-
CC cmnm(5)s(2)U34. {ECO:0000256|HAMAP-Rule:MF_00379}.
CC -!- COFACTOR:
CC Name=K(+); Xref=ChEBI:CHEBI:29103;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00379};
CC Note=Binds 1 potassium ion per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_00379};
CC -!- SUBUNIT: Homodimer. Heterotetramer of two MnmE and two MnmG subunits.
CC {ECO:0000256|HAMAP-Rule:MF_00379}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00379}.
CC -!- SIMILARITY: Belongs to the TRAFAC class TrmE-Era-EngA-EngB-Septin-like
CC GTPase superfamily. TrmE GTPase family. {ECO:0000256|ARBA:ARBA00011043,
CC ECO:0000256|HAMAP-Rule:MF_00379, ECO:0000256|RuleBase:RU003313}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_00379}.
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DR EMBL; FOLQ01000006; SFD63020.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1I1U553; -.
DR STRING; 662367.SAMN05216167_10627; -.
DR OrthoDB; 9805918at2; -.
DR Proteomes; UP000198598; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005525; F:GTP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003924; F:GTPase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006400; P:tRNA modification; IEA:UniProtKB-UniRule.
DR CDD; cd04164; trmE; 1.
DR CDD; cd14858; TrmE_N; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR Gene3D; 1.20.120.430; tRNA modification GTPase MnmE domain 2; 1.
DR HAMAP; MF_00379; GTPase_MnmE; 1.
DR InterPro; IPR031168; G_TrmE.
DR InterPro; IPR006073; GTP-bd.
DR InterPro; IPR018948; GTP-bd_TrmE_N.
DR InterPro; IPR004520; GTPase_MnmE.
DR InterPro; IPR027368; MnmE_dom2.
DR InterPro; IPR025867; MnmE_helical.
DR InterPro; IPR027417; P-loop_NTPase.
DR InterPro; IPR005225; Small_GTP-bd_dom.
DR InterPro; IPR027266; TrmE/GcvT_dom1.
DR NCBIfam; TIGR00450; mnmE_trmE_thdF; 1.
DR NCBIfam; TIGR00231; small_GTP; 1.
DR PANTHER; PTHR42714; TRNA MODIFICATION GTPASE GTPBP3; 1.
DR PANTHER; PTHR42714:SF2; TRNA MODIFICATION GTPASE GTPBP3, MITOCHONDRIAL; 1.
DR Pfam; PF01926; MMR_HSR1; 1.
DR Pfam; PF12631; MnmE_helical; 1.
DR Pfam; PF10396; TrmE_N; 1.
DR PRINTS; PR00326; GTP1OBG.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR SUPFAM; SSF116878; TrmE connector domain; 1.
DR PROSITE; PS51709; G_TRME; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00379};
KW GTP-binding {ECO:0000256|ARBA:ARBA00023134, ECO:0000256|HAMAP-
KW Rule:MF_00379}; Hydrolase {ECO:0000256|HAMAP-Rule:MF_00379};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_00379};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00379};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00379};
KW Potassium {ECO:0000256|ARBA:ARBA00022958, ECO:0000256|HAMAP-Rule:MF_00379};
KW Reference proteome {ECO:0000313|Proteomes:UP000198598};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_00379}.
FT DOMAIN 220..380
FT /note="TrmE-type G"
FT /evidence="ECO:0000259|PROSITE:PS51709"
FT BINDING 230..235
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00379"
FT BINDING 230
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00379"
FT BINDING 234
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00379"
FT BINDING 249..255
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00379"
FT BINDING 249
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00379"
FT BINDING 251
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00379"
FT BINDING 254
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00379"
FT BINDING 255
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00379"
FT BINDING 274..277
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00379"
SQ SEQUENCE 459 AA; 50328 MW; 6668E45366EE14CB CRC64;
MIYQLEPIAA LATAPGIGAI AVVRVSGEGA IAITNRFFRG KDLTQQESHT AHFGTLRNAD
GSIIDEVLVT IFHTPKSFTK EDVVEISCHG SEFIIQQILR RLTTEGARLA KPGEFTQRAF
LNGQFDLVQA EAVADLIASD SDASHRAALT QLRGGFSKQL KVLRQQLIDF VALVELELDF
GEEDVEFAHR DKLRQLMLDI RRVLHPLIDS FSTGNAIKNG VPTVIIGKPN AGKSTLLNAL
LNEEKAIVSD IPGTTRDVIE DELFLDGIRF RLIDTAGLRQ ATDQIEAIGI ERTQQKMRDA
ALVVYLFDGK NVLPDELRIA VEDVRLSGKP YLLVGNKLDA IDDLKRQALQ NIVGEKIVWI
SAAQKTHLDE LKAALSARVR TDSAVQTGSA VVTNARHYEH LTGTDDALAR AITGLNSGVT
PDWLAMDLRV ALRHLGELTG EITTDDLLES IFSKFCIGK
//
