ID A0A7X0NHA5_9GAMM Unreviewed; 428 AA.
AC A0A7X0NHA5;
DT 02-JUN-2021, integrated into UniProtKB/TrEMBL.
DT 02-JUN-2021, sequence version 1.
DT 18-JUN-2025, entry version 13.
DE RecName: Full=GTPase HflX {ECO:0000256|HAMAP-Rule:MF_00900};
DE AltName: Full=GTP-binding protein HflX {ECO:0000256|HAMAP-Rule:MF_00900};
GN Name=hflX {ECO:0000256|HAMAP-Rule:MF_00900};
GN ORFNames=HNQ55_001948 {ECO:0000313|EMBL:MBB6543427.1};
OS Thalassotalea piscium.
OC Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria;
OC Alteromonadales; Colwelliaceae; Thalassotalea.
OX NCBI_TaxID=1230533 {ECO:0000313|EMBL:MBB6543427.1, ECO:0000313|Proteomes:UP000537141};
RN [1] {ECO:0000313|EMBL:MBB6543427.1, ECO:0000313|Proteomes:UP000537141}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 26287 {ECO:0000313|EMBL:MBB6543427.1,
RC ECO:0000313|Proteomes:UP000537141};
RA Goeker M.;
RT "Genomic Encyclopedia of Type Strains, Phase IV (KMG-IV): sequencing the
RT most valuable type-strain genomes for metagenomic binning, comparative
RT biology and taxonomic classification.";
RL Submitted (AUG-2020) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: GTPase that associates with the 50S ribosomal subunit and may
CC have a role during protein synthesis or ribosome biogenesis.
CC {ECO:0000256|HAMAP-Rule:MF_00900}.
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PIRSR:PIRSR006809-2};
CC -!- SUBUNIT: Monomer. Associates with the 50S ribosomal subunit.
CC {ECO:0000256|HAMAP-Rule:MF_00900}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00900}.
CC Note=May associate with membranes. {ECO:0000256|HAMAP-Rule:MF_00900}.
CC -!- SIMILARITY: Belongs to the TRAFAC class OBG-HflX-like GTPase
CC superfamily. HflX GTPase family. {ECO:0000256|HAMAP-Rule:MF_00900}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:MBB6543427.1}.
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DR EMBL; JACHHU010000014; MBB6543427.1; -; Genomic_DNA.
DR RefSeq; WP_184424218.1; NZ_AP027362.1.
DR AlphaFoldDB; A0A7X0NHA5; -.
DR Proteomes; UP000537141; 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:0097216; F:guanosine tetraphosphate binding; IEA:UniProtKB-ARBA.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0043022; F:ribosome binding; IEA:TreeGrafter.
DR CDD; cd01878; HflX; 1.
DR FunFam; 3.40.50.11060:FF:000001; GTPase HflX; 1.
DR FunFam; 3.40.50.300:FF:000173; GTPase HflX; 1.
DR Gene3D; 6.10.250.2860; -; 1.
DR Gene3D; 3.40.50.11060; GTPase HflX, N-terminal domain; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR HAMAP; MF_00900; GTPase_HflX; 1.
DR InterPro; IPR035647; EFG_III/V.
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 NCBIfam; TIGR03156; GTP_HflX; 1.
DR NCBIfam; NF008280; PRK11058.1; 1.
DR PANTHER; PTHR10229:SF0; GTP-BINDING PROTEIN 6-RELATED; 1.
DR PANTHER; PTHR10229; GTP-BINDING PROTEIN HFLX; 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; SSF54980; EF-G C-terminal domain-like; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR PROSITE; PS51705; G_HFLX; 1.
PE 3: Inferred from homology;
KW Coiled coil {ECO:0000256|SAM:Coils};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00900};
KW GTP-binding {ECO:0000256|ARBA:ARBA00023134, ECO:0000256|HAMAP-
KW Rule:MF_00900};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|PIRSR:PIRSR006809-2};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR006809-2};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00900}; Reference proteome {ECO:0000313|Proteomes:UP000537141}.
FT DOMAIN 198..365
FT /note="Hflx-type G"
FT /evidence="ECO:0000259|PROSITE:PS51705"
FT COILED 164..191
FT /evidence="ECO:0000256|SAM:Coils"
FT BINDING 204..211
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR006809-1"
FT BINDING 211
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR006809-2"
FT BINDING 229..233
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR006809-1"
FT BINDING 231
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR006809-2"
FT BINDING 251..254
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR006809-1"
FT BINDING 317..320
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR006809-1"
FT BINDING 343..345
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR006809-1"
SQ SEQUENCE 428 AA; 48502 MW; 8E5C4D57EA7B222B CRC64;
MFDRYQAGEQ AILVHIDFPD ENAREDLQEF EMLVSSAGVN ALTVITGKRN SPDSKFFVGS
GKAGEVAEAV KMFDANIVLF NHSLTPSQEK QLEMLCECRV VDRTTLILDI FAQRARTHEG
KLQVELAQLR HMSSRLIRGW THLERQKGGI GLRGPGETQL ETDRRLLRER MTNIRKRLAK
VEKQRQQGRR ARNRAELPTV SLVGYTNAGK STLFNSITQA GVYAADQLFA TLDPTLRKIE
VEEVGRVILA DTVGFIRHLP HDLVAAFKAT LTETREAELL LHVIDIFDER RTENIEQVEE
VLKEIDAGDV PQLLVCNKID QLEDVEPRID RDDQGLPVRV WLSAQSGVGI DLLFQALAER
LGKKIVKYCL KIPPAYGKFR SVLYRLNCIA SEHYDDEGNC VVDVKMPTSE WNKLIKQDEA
LIEGFIER
//
