MNME_NITEC
ID MNME_NITEC Reviewed; 451 AA.
AC Q0AE55;
DT 02-SEP-2008, integrated into UniProtKB/Swiss-Prot.
DT 02-SEP-2008, sequence version 2.
DT 03-AUG-2022, entry version 96.
DE RecName: Full=tRNA modification GTPase MnmE {ECO:0000255|HAMAP-Rule:MF_00379};
DE EC=3.6.-.- {ECO:0000255|HAMAP-Rule:MF_00379};
GN Name=mnmE {ECO:0000255|HAMAP-Rule:MF_00379};
GN Synonyms=trmE {ECO:0000255|HAMAP-Rule:MF_00379};
GN OrderedLocusNames=Neut_2155;
OS Nitrosomonas eutropha (strain DSM 101675 / C91 / Nm57).
OC Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales;
OC Nitrosomonadaceae; Nitrosomonas.
OX NCBI_TaxID=335283;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 101675 / C91 / Nm57;
RX PubMed=17991028; DOI=10.1111/j.1462-2920.2007.01409.x;
RA Stein L.Y., Arp D.J., Berube P.M., Chain P.S., Hauser L., Jetten M.S.,
RA Klotz M.G., Larimer F.W., Norton J.M., Op den Camp H.J.M., Shin M., Wei X.;
RT "Whole-genome analysis of the ammonia-oxidizing bacterium, Nitrosomonas
RT eutropha C91: implications for niche adaptation.";
RL Environ. Microbiol. 9:2993-3007(2007).
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:0000255|HAMAP-Rule:MF_00379}.
CC -!- COFACTOR:
CC Name=K(+); Xref=ChEBI:CHEBI:29103;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00379};
CC Note=Binds 1 potassium ion per subunit. {ECO:0000255|HAMAP-
CC Rule:MF_00379};
CC -!- SUBUNIT: Homodimer. Heterotetramer of two MnmE and two MnmG subunits.
CC {ECO:0000255|HAMAP-Rule:MF_00379}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00379}.
CC -!- SIMILARITY: Belongs to the TRAFAC class TrmE-Era-EngA-EngB-Septin-like
CC GTPase superfamily. TrmE GTPase family. {ECO:0000255|HAMAP-
CC Rule:MF_00379}.
CC -!- SEQUENCE CAUTION:
CC Sequence=ABI60377.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; CP000450; ABI60377.1; ALT_INIT; Genomic_DNA.
DR AlphaFoldDB; Q0AE55; -.
DR SMR; Q0AE55; -.
DR STRING; 335283.Neut_2155; -.
DR EnsemblBacteria; ABI60377; ABI60377; Neut_2155.
DR KEGG; net:Neut_2155; -.
DR eggNOG; COG0486; Bacteria.
DR HOGENOM; CLU_019624_4_1_4; -.
DR Proteomes; UP000001966; Chromosome.
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 Gene3D; 1.20.120.430; -; 1.
DR Gene3D; 3.30.1360.120; -; 1.
DR Gene3D; 3.40.50.300; -; 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 Pfam; PF01926; MMR_HSR1; 1.
DR Pfam; PF12631; MnmE_helical; 1.
DR Pfam; PF10396; TrmE_N; 1.
DR SUPFAM; SSF52540; SSF52540; 1.
DR TIGRFAMs; TIGR00450; mnmE_trmE_thdF; 1.
DR TIGRFAMs; TIGR00231; small_GTP; 1.
DR PROSITE; PS51709; G_TRME; 1.
PE 3: Inferred from homology;
KW Cytoplasm; GTP-binding; Hydrolase; Magnesium; Metal-binding;
KW Nucleotide-binding; Potassium; tRNA processing.
FT CHAIN 1..451
FT /note="tRNA modification GTPase MnmE"
FT /id="PRO_0000345855"
FT DOMAIN 215..372
FT /note="TrmE-type G"
FT BINDING 23
FT /ligand="(6S)-5-formyl-5,6,7,8-tetrahydrofolate"
FT /ligand_id="ChEBI:CHEBI:57457"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00379"
FT BINDING 80
FT /ligand="(6S)-5-formyl-5,6,7,8-tetrahydrofolate"
FT /ligand_id="ChEBI:CHEBI:57457"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00379"
FT BINDING 119
FT /ligand="(6S)-5-formyl-5,6,7,8-tetrahydrofolate"
FT /ligand_id="ChEBI:CHEBI:57457"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00379"
FT BINDING 225..230
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00379"
FT BINDING 225
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00379"
FT BINDING 229
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00379"
FT BINDING 244..250
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00379"
FT BINDING 244
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00379"
FT BINDING 246
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00379"
FT BINDING 249
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00379"
FT BINDING 250
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00379"
FT BINDING 269..272
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00379"
FT BINDING 451
FT /ligand="(6S)-5-formyl-5,6,7,8-tetrahydrofolate"
FT /ligand_id="ChEBI:CHEBI:57457"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00379"
SQ SEQUENCE 451 AA; 48927 MW; ABB33B1F068D32D4 CRC64;
MKNNDTIAAI ATPPGRGGIG IVRISGTNLE QLAQTILGKL PDPRHAGLFN FLDQNNQVID
QGIVLYFPSP NSYTGEDVLE LHGHGGPAVM NLLLTRCLQL GARLAEPGEF TLRAFLNEKL
DLAQAEGVAD LIEASTANAA RCAVRSLHGE FSSAIHQLVS ALIDLRVLVE ATLDFPEEEI
DFLQSAHAVE QLASIQTKLE QVLSASRRGN LLQEGIKVVL TGQPNVGKSS LLNRLAGDEI
AIVTEIPGTT RDTIRQSIEI EGIPLHLIDT AGLRETSDIV EQHGIARAYA AIEQADLVLL
LVDGRYGVTK EDHSVLARLP KELPVLTVHN KIDLSGQLSR IEEDTSGTAI YLSVKSGEGI
ELLRTVLLKT VGWQTNIAGE GAYMARQRHL QALLHAKELL KRAETWLHTA DQLEILAEEL
RLAQQALSSI TGEFTSDDLL GEIFSNFCIG K
