ID   HFLX_MAGMM              Reviewed;         432 AA.
AC   A0L4B2;
DT   21-SEP-2011, integrated into UniProtKB/Swiss-Prot.
DT   12-DEC-2006, sequence version 1.
DT   03-AUG-2022, entry version 86.
DE   RecName: Full=GTPase HflX {ECO:0000255|HAMAP-Rule:MF_00900};
DE   AltName: Full=GTP-binding protein HflX {ECO:0000255|HAMAP-Rule:MF_00900};
GN   Name=hflX {ECO:0000255|HAMAP-Rule:MF_00900}; OrderedLocusNames=Mmc1_0278;
OS   Magnetococcus marinus (strain ATCC BAA-1437 / JCM 17883 / MC-1).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Magnetococcales;
OC   Magnetococcaceae; Magnetococcus.
OX   NCBI_TaxID=156889;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1437 / JCM 17883 / MC-1;
RX   PubMed=19465526; DOI=10.1128/aem.02874-08;
RA   Schubbe S., Williams T.J., Xie G., Kiss H.E., Brettin T.S., Martinez D.,
RA   Ross C.A., Schuler D., Cox B.L., Nealson K.H., Bazylinski D.A.;
RT   "Complete genome sequence of the chemolithoautotrophic marine magnetotactic
RT   coccus strain MC-1.";
RL   Appl. Environ. Microbiol. 75:4835-4852(2009).
CC   -!- FUNCTION: GTPase that associates with the 50S ribosomal subunit and may
CC       have a role during protein synthesis or ribosome biogenesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00900}.
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00900};
CC   -!- SUBUNIT: Monomer. Associates with the 50S ribosomal subunit.
CC       {ECO:0000255|HAMAP-Rule:MF_00900}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00900}.
CC       Note=May associate with membranes. {ECO:0000255|HAMAP-Rule:MF_00900}.
CC   -!- SIMILARITY: Belongs to the TRAFAC class OBG-HflX-like GTPase
CC       superfamily. HflX GTPase family. {ECO:0000255|HAMAP-Rule:MF_00900}.
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DR   EMBL; CP000471; ABK42805.1; -; Genomic_DNA.
DR   RefSeq; WP_011711977.1; NC_008576.1.
DR   AlphaFoldDB; A0L4B2; -.
DR   SMR; A0L4B2; -.
DR   STRING; 156889.Mmc1_0278; -.
DR   EnsemblBacteria; ABK42805; ABK42805; Mmc1_0278.
DR   KEGG; mgm:Mmc1_0278; -.
DR   eggNOG; COG2262; Bacteria.
DR   HOGENOM; CLU_019597_1_0_5; -.
DR   OMA; FNNHAHV; -.
DR   OrthoDB; 1592033at2; -.
DR   Proteomes; UP000002586; 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   CDD; cd01878; HflX; 1.
DR   Gene3D; 3.40.50.11060; -; 1.
DR   Gene3D; 3.40.50.300; -; 1.
DR   HAMAP; MF_00900; GTPase_HflX; 1.
DR   InterPro; IPR030394; G_HFLX_dom.
DR   InterPro; IPR006073; GTP-bd.
DR   InterPro; IPR032305; GTP-bd_M.
DR   InterPro; IPR016496; GTPase_HflX.
DR   InterPro; IPR025121; GTPase_HflX_N.
DR   InterPro; IPR042108; GTPase_HflX_N_sf.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   PANTHER; PTHR10229; PTHR10229; 1.
DR   Pfam; PF16360; GTP-bdg_M; 1.
DR   Pfam; PF13167; GTP-bdg_N; 1.
DR   Pfam; PF01926; MMR_HSR1; 1.
DR   PIRSF; PIRSF006809; GTP-binding_hflX_prd; 1.
DR   PRINTS; PR00326; GTP1OBG.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR03156; GTP_HflX; 1.
DR   PROSITE; PS51705; G_HFLX; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; GTP-binding; Magnesium; Metal-binding; Nucleotide-binding;
KW   Reference proteome.
FT   CHAIN           1..432
FT                   /note="GTPase HflX"
FT                   /id="PRO_0000412661"
FT   DOMAIN          202..367
FT                   /note="Hflx-type G"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00900"
FT   BINDING         208..215
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00900"
FT   BINDING         215
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00900"
FT   BINDING         233..237
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00900"
FT   BINDING         235
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00900"
FT   BINDING         255..258
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00900"
FT   BINDING         321..324
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00900"
FT   BINDING         345..347
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00900"
SQ   SEQUENCE   432 AA;  48556 MW;  1716F6945E85F9A2 CRC64;
     MLETHQAPDR AILLQALEPK VTRDACQRLL DELVHLSTTA GLEVHATQLL SLQKAVPATY
     FGSGQVEELA RRIEEDEIDV AVVNHALTPI QQRNLEKKLN AKVVDRTGLI LEIFAARART
     REGIMQVELA SLMYQQSRLV RSWTHLERQR GGVGLRGGPG ERQIEVDRRL IRERIHKLKK
     QLEEVERTRA LQRQPRQDIP LFTVALVGYT NAGKSTLFNL LTRAGVLAED KLFATLDPTM
     RAVDLPDGGR ILLSDTVGFI RQLPHQLVAA FKATLEEVMS ADMLLHVVDL SDPEWERYVE
     SVNGVLQELE VQHTRTLTVY NKIDRLESRG ILERELARGD TIGVSAQTGE GVEPLLSELR
     RAVGRAMLRY EVILPVSDGR WLAKFHAEAS VVEVREGEDF TTLIVELAPA VLGRLQGEVE
     REGVEVQFRP VD