ID E3DQ37_HALPG Unreviewed; 645 AA.
AC E3DQ37;
DT 11-JAN-2011, integrated into UniProtKB/TrEMBL.
DT 11-JAN-2011, sequence version 1.
DT 28-JAN-2026, entry version 78.
DE RecName: Full=Selenocysteine-specific elongation factor {ECO:0000256|ARBA:ARBA00015953};
DE AltName: Full=SelB translation factor {ECO:0000256|ARBA:ARBA00031615};
GN OrderedLocusNames=Hprae_0634 {ECO:0000313|EMBL:ADO76788.1};
OS Halanaerobium praevalens (strain ATCC 33744 / DSM 2228 / GSL).
OC Bacteria; Bacillati; Bacillota; Clostridia; Halanaerobiales;
OC Halanaerobiaceae; Halanaerobium.
OX NCBI_TaxID=572479 {ECO:0000313|EMBL:ADO76788.1, ECO:0000313|Proteomes:UP000006866};
RN [1] {ECO:0000313|Proteomes:UP000006866}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33744 / DSM 2228 / GSL
RC {ECO:0000313|Proteomes:UP000006866};
RG US DOE Joint Genome Institute (JGI-PGF);
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Kyrpides N., Mavromatis K., Ivanova N.,
RA Ovchinnikova G., Chertkov O., Detter J.C., Han C., Larimer F., Land M.,
RA Hauser L., Markowitz V., Cheng J.-F., Hugenholtz P., Woyke T., Wu D.,
RA Tindall B., Pomrenke H.G., Brambilla E., Klenk H.-P., Eisen J.A.;
RT "The complete genome of Halanaerobium praevalens DSM 2228.";
RL Submitted (OCT-2010) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ADO76788.1, ECO:0000313|Proteomes:UP000006866}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33744 / DSM 2228 / GSL
RC {ECO:0000313|Proteomes:UP000006866};
RX PubMed=21886858;
RA Ivanova N., Sikorski J., Chertkov O., Nolan M., Lucas S., Hammon N.,
RA Deshpande S., Cheng J.F., Tapia R., Han C., Goodwin L., Pitluck S.,
RA Huntemann M., Liolios K., Pagani I., Mavromatis K., Ovchinikova G.,
RA Pati A., Chen A., Palaniappan K., Land M., Hauser L., Brambilla E.M.,
RA Kannan K.P., Rohde M., Tindall B.J., Goker M., Detter J.C., Woyke T.,
RA Bristow J., Eisen J.A., Markowitz V., Hugenholtz P., Kyrpides N.C.,
RA Klenk H.P., Lapidus A.;
RT "Complete genome sequence of the extremely halophilic Halanaerobium
RT praevalens type strain (GSL).";
RL Stand. Genomic Sci. 4:312-321(2011).
CC -!- FUNCTION: Translation factor necessary for the incorporation of
CC selenocysteine into proteins. It probably replaces EF-Tu for the
CC insertion of selenocysteine directed by the UGA codon. SelB binds GTP
CC and GDP. {ECO:0000256|ARBA:ARBA00025526}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496}.
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DR EMBL; CP002175; ADO76788.1; -; Genomic_DNA.
DR RefSeq; WP_014552821.1; NC_017455.1.
DR AlphaFoldDB; E3DQ37; -.
DR STRING; 572479.Hprae_0634; -.
DR KEGG; hpk:Hprae_0634; -.
DR PATRIC; fig|572479.3.peg.640; -.
DR eggNOG; COG3276; Bacteria.
DR HOGENOM; CLU_023030_3_0_9; -.
DR OrthoDB; 9804504at2; -.
DR Proteomes; UP000006866; Chromosome.
DR GO; GO:0005829; C:cytosol; IEA:TreeGrafter.
DR GO; GO:0005525; F:GTP binding; IEA:UniProtKB-KW.
DR GO; GO:0003924; F:GTPase activity; IEA:InterPro.
DR GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR GO; GO:0003746; F:translation elongation factor activity; IEA:UniProtKB-KW.
DR GO; GO:0001514; P:selenocysteine incorporation; IEA:InterPro.
DR CDD; cd04171; SelB; 1.
DR CDD; cd03696; SelB_II; 1.
DR CDD; cd15491; selB_III; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR Gene3D; 2.40.30.10; Translation factors; 1.
DR Gene3D; 1.10.10.10; Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain; 3.
DR InterPro; IPR057335; Beta-barrel_SelB.
DR InterPro; IPR050055; EF-Tu_GTPase.
DR InterPro; IPR004161; EFTu-like_2.
DR InterPro; IPR015190; Elong_fac_SelB-wing-hlx_typ-2.
DR InterPro; IPR031157; G_TR_CS.
DR InterPro; IPR027417; P-loop_NTPase.
DR InterPro; IPR015191; SelB_WHD4.
DR InterPro; IPR005225; Small_GTP-bd.
DR InterPro; IPR000795; T_Tr_GTP-bd_dom.
DR InterPro; IPR009000; Transl_B-barrel_sf.
DR InterPro; IPR009001; Transl_elong_EF1A/Init_IF2_C.
DR InterPro; IPR004535; Transl_elong_SelB.
DR InterPro; IPR036388; WH-like_DNA-bd_sf.
DR InterPro; IPR036390; WH_DNA-bd_sf.
DR NCBIfam; TIGR00475; selB; 1.
DR NCBIfam; TIGR00231; small_GTP; 1.
DR PANTHER; PTHR43721:SF22; ELONGATION FACTOR TU, MITOCHONDRIAL; 1.
DR PANTHER; PTHR43721; ELONGATION FACTOR TU-RELATED; 1.
DR Pfam; PF25461; Beta-barrel_SelB; 1.
DR Pfam; PF00009; GTP_EFTU; 1.
DR Pfam; PF03144; GTP_EFTU_D2; 1.
DR Pfam; PF09106; WHD_2nd_SelB; 1.
DR Pfam; PF09107; WHD_3rd_SelB; 1.
DR PRINTS; PR00315; ELONGATNFCT.
DR SUPFAM; SSF50465; EF-Tu/eEF-1alpha/eIF2-gamma C-terminal domain; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR SUPFAM; SSF50447; Translation proteins; 1.
DR SUPFAM; SSF46785; Winged helix' DNA-binding domain; 2.
DR PROSITE; PS00301; G_TR_1; 1.
DR PROSITE; PS51722; G_TR_2; 1.
PE 4: Predicted;
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490};
KW Elongation factor {ECO:0000313|EMBL:ADO76788.1};
KW GTP-binding {ECO:0000256|ARBA:ARBA00023134};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741};
KW Protein biosynthesis {ECO:0000256|ARBA:ARBA00022917};
KW Reference proteome {ECO:0000313|Proteomes:UP000006866}.
FT DOMAIN 2..177
FT /note="Tr-type G"
FT /evidence="ECO:0000259|PROSITE:PS51722"
SQ SEQUENCE 645 AA; 73391 MW; C9EC786266228744 CRC64;
MTKNIIIGTA GHVDHGKSTL IKALTGDETD RLAAEKERGI SIEPGFSHLE NDKTNSENLR
LGIVDVPGHE KFVNKMLAAA GGVDLALIVI AADEGVMPQT LEHLAILDLL EVEKAIIVLT
KIELVDKEWT DLIELDLKDQ FKGSFAAKAD IVRVDSETGK GIAALKDLII ETALQMKKRQ
KSEIPYYPID RVFTLKGFGT VVTGTLFSGE IKAGEELALY PMEKTIKIRS LENHGQEVEK
VEAGSRVGIN IGGLEKSEIE KGNIITTPDS LLKSKFFEAE LKILENLNFT IKNGDSIHFH
TAALDTTGKI YLYNKKEAFP GEKVYVKLVL AEKAALFFKQ KYIIRRFSPM QTIGGGEILE
LDPPPRRKVS EHKIMTDLDN LKKADLKEAV EIFIRKKENS AAEIKFLKKK SALKNEKLKS
ILDDLVKEAK IIELRTDKSY IHYQDFEKIK EDILKIINAY HKKFELRAGL KKEELRSKID
FSLNKKEMDT MLEILVKEKV LKENNNLISE FAFKISLTKD LLAIKNKILK LYQKNLFNPP
AKEEIVEQYE NGASIFNYLV DNNYLVQINS ELYFDQEVYS QLKIILNNYF QKNESLSLAE
FRDLIGSSRR YALPLLKKLE ELKLLKRKED LRYPTNKLEK IKKSD
//