ID   SELA_CLOBK              Reviewed;         462 AA.
AC   B1ILX5;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   29-APR-2008, sequence version 1.
DT   25-MAY-2022, entry version 79.
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=CLD_1568;
OS   Clostridium botulinum (strain Okra / Type B1).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC   Clostridium.
OX   NCBI_TaxID=498213;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Okra / Type B1;
RX   PubMed=18060065; DOI=10.1371/journal.pone.0001271;
RA   Smith T.J., Hill K.K., Foley B.T., Detter J.C., Munk A.C., Bruce D.C.,
RA   Doggett N.A., Smith L.A., Marks J.D., Xie G., Brettin T.S.;
RT   "Analysis of the neurotoxin complex genes in Clostridium botulinum A1-A4
RT   and B1 strains: BoNT/A3, /Ba4 and /B1 clusters are located within
RT   plasmids.";
RL   PLoS ONE 2:E1271-E1271(2007).
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; CP000939; ACA46479.1; -; Genomic_DNA.
DR   RefSeq; WP_003400886.1; NC_010516.1.
DR   AlphaFoldDB; B1ILX5; -.
DR   SMR; B1ILX5; -.
DR   PRIDE; B1ILX5; -.
DR   EnsemblBacteria; ACA46479; ACA46479; CLD_1568.
DR   KEGG; cbb:CLD_1568; -.
DR   HOGENOM; CLU_038142_1_0_9; -.
DR   OMA; GATNRTH; -.
DR   UniPathway; UPA00906; UER00896.
DR   Proteomes; UP000008541; 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; Selenium;
KW   Transferase.
FT   CHAIN           1..462
FT                   /note="L-seryl-tRNA(Sec) selenium transferase"
FT                   /id="PRO_1000124134"
FT   MOD_RES         293
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00423"
SQ   SEQUENCE   462 AA;  52306 MW;  9853AE62067CD2E2 CRC64;
     MDKKQLLRNL PKIDELLKEE IVNRYLQENS RTLVVDSLRQ SIDHYRGEIL KNNIDSFTKE
     NVVNYFIDTL EENKSTKFKK VINATGVVIH TNLGRSLLAK EAIENVIKVS ENYSNLEYDL
     KDGKRGSRYS HVEELIKKVT GAEAAMVVNN NAAAVMLALN TLCEGREAIV SRGQLVEIGG
     SFRIPDVMKF SRAHLVEVGT TNRTHLYDYE NNINENTGVL LKVHTSNFKI MGFTEEVSSE
     EMVQLGGKYK LPVMEDIGSG TLVDFSKYGF TYEPTVQSSL EKGVDVVTFS GDKMLGGPQA
     GIIVGKKKYI DKMKKNQLTR ALRIDKMTLA ALEGTLKCYI DEKEAIENIP TLNMILSSKD
     IHKKRAQRLK RRLQNNVKDF NFKVSEDLSM VGGGSMPGER IPTYVVKVNS DKITAEKIEE
     KLRLSKNPII VRVSKDEVIL DVRTLFERDF NIIVEEFKKL LK