ID   SELA_HAEDU              Reviewed;         460 AA.
AC   Q7VKC2;
DT   07-JUN-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 100.
DE   RecName: Full=L-seryl-tRNA(Sec) selenium transferase {ECO:0000255|HAMAP-Rule:MF_00423};
DE            EC=2.9.1.1 {ECO:0000255|HAMAP-Rule:MF_00423};
DE   AltName: Full=Selenocysteine synthase {ECO:0000255|HAMAP-Rule:MF_00423};
DE            Short=Sec synthase {ECO:0000255|HAMAP-Rule:MF_00423};
DE   AltName: Full=Selenocysteinyl-tRNA(Sec) synthase {ECO:0000255|HAMAP-Rule:MF_00423};
GN   Name=selA {ECO:0000255|HAMAP-Rule:MF_00423}; OrderedLocusNames=HD_1994;
OS   Haemophilus ducreyi (strain 35000HP / ATCC 700724).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Haemophilus.
OX   NCBI_TaxID=233412;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=35000HP / ATCC 700724;
RA   Munson R.S. Jr., Ray W.C., Mahairas G., Sabo P., Mungur R., Johnson L.,
RA   Nguyen D., Wang J., Forst C., Hood L.;
RT   "The complete genome sequence of Haemophilus ducreyi.";
RL   Submitted (JUN-2003) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Converts seryl-tRNA(Sec) to selenocysteinyl-tRNA(Sec)
CC       required for selenoprotein biosynthesis. {ECO:0000255|HAMAP-
CC       Rule:MF_00423}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H(+) + L-seryl-tRNA(Sec) + selenophosphate = L-
CC         selenocysteinyl-tRNA(Sec) + phosphate; Xref=Rhea:RHEA:22728,
CC         Rhea:RHEA-COMP:9742, Rhea:RHEA-COMP:9743, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:16144, ChEBI:CHEBI:43474, ChEBI:CHEBI:78533,
CC         ChEBI:CHEBI:78573; EC=2.9.1.1; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00423};
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00423};
CC   -!- PATHWAY: Aminoacyl-tRNA biosynthesis; selenocysteinyl-tRNA(Sec)
CC       biosynthesis; selenocysteinyl-tRNA(Sec) from L-seryl-tRNA(Sec)
CC       (bacterial route): step 1/1. {ECO:0000255|HAMAP-Rule:MF_00423}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00423}.
CC   -!- SIMILARITY: Belongs to the SelA family. {ECO:0000255|HAMAP-
CC       Rule:MF_00423}.
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DR   EMBL; AE017143; AAP96710.1; -; Genomic_DNA.
DR   RefSeq; WP_010945731.1; NC_002940.2.
DR   AlphaFoldDB; Q7VKC2; -.
DR   SMR; Q7VKC2; -.
DR   STRING; 233412.HD_1994; -.
DR   DNASU; 1491825; -.
DR   EnsemblBacteria; AAP96710; AAP96710; HD_1994.
DR   KEGG; hdu:HD_1994; -.
DR   eggNOG; COG1921; Bacteria.
DR   HOGENOM; CLU_038142_1_0_6; -.
DR   OMA; GATNRTH; -.
DR   UniPathway; UPA00906; UER00896.
DR   Proteomes; UP000001022; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004125; F:L-seryl-tRNASec selenium transferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0001514; P:selenocysteine incorporation; IEA:UniProtKB-UniRule.
DR   GO; GO:0097056; P:selenocysteinyl-tRNA(Sec) biosynthetic process; IEA:UniProtKB-UniPathway.
DR   Gene3D; 3.40.640.10; -; 1.
DR   HAMAP; MF_00423; SelA; 1.
DR   InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR   InterPro; IPR018319; SelA-like.
DR   InterPro; IPR004534; SelA_trans.
DR   InterPro; IPR025862; SelA_trans_N_dom.
DR   Pfam; PF12390; Se-cys_synth_N; 1.
DR   Pfam; PF03841; SelA; 1.
DR   SUPFAM; SSF53383; SSF53383; 1.
DR   TIGRFAMs; TIGR00474; selA; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Protein biosynthesis; Pyridoxal phosphate; Reference proteome;
KW   Selenium; Transferase.
FT   CHAIN           1..460
FT                   /note="L-seryl-tRNA(Sec) selenium transferase"
FT                   /id="PRO_0000189604"
FT   MOD_RES         293
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00423"
SQ   SEQUENCE   460 AA;  50392 MW;  A3031743CCA41B10 CRC64;
     MQKLLSVIPS VDKLIKQLAG IALIQQYGHQ AFVAQARQVI DSLRQHILTH QSLPVDQPAD
     NLLSLIATNL QQTQQIAMKK VFNLTGTILH TNLGRAIWSE AAITAASDAM RHHSALEFDI
     EAGKRSHRDN TISQLLCEIT GAEAACVVNN NAAAVLLMLA TFAKGKEVIV SRGELVEIGG
     AFRIPDIMQQ AGCKLVEVGT TNRTHLKDYR AAINENTALL MKVHTSNYQI QGFTHSVSEQ
     QLVELGQEVG LPVMSDLGSG SLIDMATFGL PAEPLVQQKV ASGVALVTFS ADKLLGGPQA
     GIIVGKKADI EALQAHPLKR VLRCDKVILA GLEATLRHYL LPDQLTTHLP TLSLLTQSID
     HLRVKATRLQ NSLSKRLDAR YHLQIEQSLA QIGSGALPTE RLASLAVTIT APTQRDLLQL
     EQQFKMLKYP IIGRFAEQKL WLDLRSVAQF DQLIEMLEEK