ID   SYS_ALHEH               Reviewed;         424 AA.
AC   Q0A7Z2;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   17-OCT-2006, sequence version 1.
DT   16-JUN-2009, entry version 25.
DE   RecName: Full=Seryl-tRNA synthetase;
DE            EC=6.1.1.11;
DE   AltName: Full=Seryl-tRNA(Ser/Sec) synthetase;
DE   AltName: Full=Serine--tRNA ligase;
DE            Short=SerRS;
GN   Name=serS; OrderedLocusNames=Mlg_1699;
OS   Alkalilimnicola ehrlichei (strain MLHE-1).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Chromatiales;
OC   Ectothiorhodospiraceae; Alkalilimnicola.
OX   NCBI_TaxID=187272;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H.,
RA   Pitluck S., Sims D., Brettin T., Bruce D., Han C., Tapia R., Gilna P.,
RA   Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Mikhailova N., Oremland R.S., Hoeft S.E., Switzer-Blum J., Kulp T.,
RA   King G., Tabita R., Witte B., Santini J.M., Basu P., Hollibaugh J.T.,
RA   Xie G., Stolz J.F., Richardson P.;
RT   "Complete sequence of Alkalilimnicola ehrilichei MLHE-1.";
RL   Submitted (AUG-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the attachment of serine to tRNA(Ser). Is also
CC       able to aminoacylate tRNA(Sec) with serine, to form the
CC       misacylated tRNA L-seryl-tRNA(Sec), which will be further
CC       converted into selenocysteinyl-tRNA(Sec) (By similarity).
CC   -!- CATALYTIC ACTIVITY: ATP + L-serine + tRNA(Ser) = AMP + diphosphate
CC       + L-seryl-tRNA(Ser).
CC   -!- CATALYTIC ACTIVITY: ATP + L-serine + tRNA(Sec) = AMP + diphosphate
CC       + L-seryl-tRNA(Sec).
CC   -!- PATHWAY: Aminoacyl-tRNA biosynthesis; selenocysteinyl-tRNA(Sec)
CC       biosynthesis; L-seryl-tRNA(Sec) from L-serine and tRNA(Sec): step
CC       1/1.
CC   -!- SUBUNIT: Homodimer. The tRNA molecule binds across the dimer (By
CC       similarity).
CC   -!- SUBCELLULAR LOCATION: Cytoplasm (By similarity).
CC   -!- DOMAIN: Consists of two distinct domains, a catalytic core and a
CC       N-terminal extension that is involved in tRNA binding (By
CC       similarity).
CC   -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase
CC       family. Type-1 seryl-tRNA synthetase subfamily.
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DR   EMBL; CP000453; ABI57045.1; -; Genomic_DNA.
DR   RefSeq; YP_742535.1; -.
DR   GeneID; 4269785; -.
DR   GenomeReviews; CP000453_GR; Mlg_1699.
DR   KEGG; aeh:Mlg_1699; -.
DR   NMPDR; fig|187272.6.peg.1632; -.
DR   HOGENOM; Q0A7Z2; -.
DR   OMA; Q0A7Z2; RTICCIA.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:HAMAP.
DR   GO; GO:0004828; F:serine-tRNA ligase activity; IEA:HAMAP.
DR   GO; GO:0016260; P:selenocysteine biosynthetic process; IEA:HAMAP.
DR   GO; GO:0006434; P:seryl-tRNA aminoacylation; IEA:HAMAP.
DR   HAMAP; MF_00176; -; 1.
DR   InterPro; IPR002314; aa-tRNA-synt_IIb_cons-reg.
DR   InterPro; IPR006195; aa-tRNA-synth_II_cons-reg.
DR   InterPro; IPR002317; Ser-tRNA-synth_IIa.
DR   InterPro; IPR018156; Ser-tRNA-synth_IIa_C.
DR   InterPro; IPR015866; Ser-tRNA-synth_IIa_N.
DR   Gene3D; G3DSA:1.10.287.40; Ser-tRNA-synth_IIa_N; 1.
DR   PANTHER; PTHR11778; tRNA-synt_ser; 1.
DR   Pfam; PF02403; Seryl_tRNA_N; 1.
DR   Pfam; PF00587; tRNA-synt_2b; 1.
DR   PIRSF; PIRSF001529; Ser-tRNA-synth_IIa; 1.
DR   PRINTS; PR00981; TRNASYNTHSER.
DR   TIGRFAMs; TIGR00414; serS; 1.
DR   PROSITE; PS50862; AA_TRNA_LIGASE_II; 1.
PE   3: Inferred from homology;
KW   Aminoacyl-tRNA synthetase; ATP-binding; Complete proteome; Cytoplasm;
KW   Ligase; Nucleotide-binding; Protein biosynthesis.
FT   CHAIN         1    424       Seryl-tRNA synthetase.
FT                                /FTId=PRO_1000019607.
FT   NP_BIND     263    265       ATP (By similarity).
FT   NP_BIND     350    353       ATP (By similarity).
FT   REGION      232    234       Serine binding (By similarity).
FT   BINDING     286    286       Serine (By similarity).
FT   BINDING     386    386       Serine (By similarity).
SQ   SEQUENCE   424 AA;  47871 MW;  0628195F89DCF7D4 CRC64;
     MLDTRKLRQD PEGVARALAR RGYRLDVAHY RALDERRREL QVRTQELQNE RNTRSKGIGQ
     AKARGEDIEP LKAEVADLGR QLEAAKGELQ AVQDELHDIH VGMPNLPHPD VPEGEDDSEN
     VEVRRWGTPP EFGFRPRDHV ELGELLDGGL DFEAAAKLTG ARFVVMRGAV ARLHRALIQF
     MLDTHTAEHG YQEIYVPYMV NRDSLFGTGQ LPKFAADLFH LDAEQDYYLI PTAEVPVTNM
     ARDEIIADGQ LPLKFACHTP CFRSEAGSHG KDTRGMIRQH QFEKVELVQM VRPEASWEAL
     EALTGHAETI LQRLDLPYRV VTLCTGDLGF SSAKTYDIEV WLPAQETYRE ISSCSNFLDF
     QARRMQARWR NPETGKPEPL HTLNGSGLAV GRCLVAILEN YQEADGRVTV PEALRPYMGG
     ITRL
//