OBG_HELPG
ID OBG_HELPG Reviewed; 360 AA.
AC B5ZA69;
DT 13-OCT-2009, integrated into UniProtKB/Swiss-Prot.
DT 25-NOV-2008, sequence version 1.
DT 03-AUG-2022, entry version 82.
DE RecName: Full=GTPase Obg {ECO:0000255|HAMAP-Rule:MF_01454};
DE EC=3.6.5.- {ECO:0000255|HAMAP-Rule:MF_01454};
DE AltName: Full=GTP-binding protein Obg {ECO:0000255|HAMAP-Rule:MF_01454};
GN Name=obg {ECO:0000255|HAMAP-Rule:MF_01454}; OrderedLocusNames=HPG27_282;
OS Helicobacter pylori (strain G27).
OC Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC Helicobacteraceae; Helicobacter.
OX NCBI_TaxID=563041;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=G27;
RX PubMed=18952803; DOI=10.1128/jb.01416-08;
RA Baltrus D.A., Amieva M.R., Covacci A., Lowe T.M., Merrell D.S.,
RA Ottemann K.M., Stein M., Salama N.R., Guillemin K.;
RT "The complete genome sequence of Helicobacter pylori strain G27.";
RL J. Bacteriol. 191:447-448(2009).
CC -!- FUNCTION: An essential GTPase which binds GTP, GDP and possibly
CC (p)ppGpp with moderate affinity, with high nucleotide exchange rates
CC and a fairly low GTP hydrolysis rate. Plays a role in control of the
CC cell cycle, stress response, ribosome biogenesis and in those bacteria
CC that undergo differentiation, in morphogenesis control.
CC {ECO:0000255|HAMAP-Rule:MF_01454}.
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01454};
CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_01454}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01454}.
CC -!- SIMILARITY: Belongs to the TRAFAC class OBG-HflX-like GTPase
CC superfamily. OBG GTPase family. {ECO:0000255|HAMAP-Rule:MF_01454}.
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DR EMBL; CP001173; ACI27049.1; -; Genomic_DNA.
DR RefSeq; WP_000497198.1; NC_011333.1.
DR AlphaFoldDB; B5ZA69; -.
DR SMR; B5ZA69; -.
DR EnsemblBacteria; ACI27049; ACI27049; HPG27_282.
DR KEGG; hpg:HPG27_282; -.
DR HOGENOM; CLU_011747_2_0_7; -.
DR OMA; VVFDWEP; -.
DR OrthoDB; 603226at2; -.
DR Proteomes; UP000001735; 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:0000287; F:magnesium ion binding; IEA:InterPro.
DR GO; GO:0042254; P:ribosome biogenesis; IEA:UniProtKB-UniRule.
DR CDD; cd01898; Obg; 1.
DR Gene3D; 2.70.210.12; -; 1.
DR Gene3D; 3.40.50.300; -; 1.
DR HAMAP; MF_01454; GTPase_Obg; 1.
DR InterPro; IPR031167; G_OBG.
DR InterPro; IPR006073; GTP-bd.
DR InterPro; IPR014100; GTP-bd_Obg/CgtA.
DR InterPro; IPR006074; GTP1-OBG_CS.
DR InterPro; IPR006169; GTP1_OBG_dom.
DR InterPro; IPR036726; GTP1_OBG_dom_sf.
DR InterPro; IPR045086; OBG_GTPase.
DR InterPro; IPR027417; P-loop_NTPase.
DR PANTHER; PTHR11702; PTHR11702; 1.
DR Pfam; PF01018; GTP1_OBG; 1.
DR Pfam; PF01926; MMR_HSR1; 1.
DR PIRSF; PIRSF002401; GTP_bd_Obg/CgtA; 1.
DR PRINTS; PR00326; GTP1OBG.
DR SUPFAM; SSF52540; SSF52540; 1.
DR SUPFAM; SSF82051; SSF82051; 1.
DR TIGRFAMs; TIGR02729; Obg_CgtA; 1.
DR PROSITE; PS51710; G_OBG; 1.
DR PROSITE; PS00905; GTP1_OBG; 1.
DR PROSITE; PS51883; OBG; 1.
PE 3: Inferred from homology;
KW Cytoplasm; GTP-binding; Hydrolase; Magnesium; Metal-binding;
KW Nucleotide-binding.
FT CHAIN 1..360
FT /note="GTPase Obg"
FT /id="PRO_0000385973"
FT DOMAIN 1..156
FT /note="Obg"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01231"
FT DOMAIN 157..360
FT /note="OBG-type G"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01454"
FT BINDING 163..170
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01454"
FT BINDING 170
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01454"
FT BINDING 188..192
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01454"
FT BINDING 190
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01454"
FT BINDING 210..213
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01454"
FT BINDING 279..282
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01454"
FT BINDING 341..343
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01454"
SQ SEQUENCE 360 AA; 38793 MW; F41D76069749324A CRC64;
MFVDSVEIII ASGKGGPGMV SFRREKFVIK GGPDGGDGGD GGDVYFEVDN NTDTLASFRG
TKHHKAKNGA PGGTRNCAGK KGEDKIIVVP PGTQVFADDK LWLDLITPKE RVLALKGGKG
GLGNAHFKSA TKQQPTYAQK GLEGVEKCVR LELKLIADIG LVGFPNAGKS TLISTISNAK
PKIANYEFTT LVPNLGVVSV DEKSGFLMAD IPGIIEGASE GKGLGISFLK HIERTKVLAF
VLDASRLDLG IKEQYQRLRL ELEKFSPALA NKPFGVLLNK CDVVENIDEM AKDFCAFLNL
EVQKLEAFDL EPYLGFLHPH LTSDFENDPN EKSALFVLPL SAVSALNTHA LKFVLLKALP
