ID   SYFA_LEPBA              Reviewed;         341 AA.
AC   B0SBK8;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   03-AUG-2022, entry version 79.
DE   RecName: Full=Phenylalanine--tRNA ligase alpha subunit {ECO:0000255|HAMAP-Rule:MF_00281};
DE            EC=6.1.1.20 {ECO:0000255|HAMAP-Rule:MF_00281};
DE   AltName: Full=Phenylalanyl-tRNA synthetase alpha subunit {ECO:0000255|HAMAP-Rule:MF_00281};
DE            Short=PheRS {ECO:0000255|HAMAP-Rule:MF_00281};
GN   Name=pheS {ECO:0000255|HAMAP-Rule:MF_00281}; OrderedLocusNames=LBF_0490;
OS   Leptospira biflexa serovar Patoc (strain Patoc 1 / Ames).
OC   Bacteria; Spirochaetes; Leptospirales; Leptospiraceae; Leptospira.
OX   NCBI_TaxID=355278;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Patoc 1 / Ames;
RX   PubMed=18270594; DOI=10.1371/journal.pone.0001607;
RA   Picardeau M., Bulach D.M., Bouchier C., Zuerner R.L., Zidane N.,
RA   Wilson P.J., Creno S., Kuczek E.S., Bommezzadri S., Davis J.C., McGrath A.,
RA   Johnson M.J., Boursaux-Eude C., Seemann T., Rouy Z., Coppel R.L.,
RA   Rood J.I., Lajus A., Davies J.K., Medigue C., Adler B.;
RT   "Genome sequence of the saprophyte Leptospira biflexa provides insights
RT   into the evolution of Leptospira and the pathogenesis of leptospirosis.";
RL   PLoS ONE 3:E1607-E1607(2008).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-phenylalanine + tRNA(Phe) = AMP + diphosphate + H(+) +
CC         L-phenylalanyl-tRNA(Phe); Xref=Rhea:RHEA:19413, Rhea:RHEA-COMP:9668,
CC         Rhea:RHEA-COMP:9699, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:58095, ChEBI:CHEBI:78442,
CC         ChEBI:CHEBI:78531, ChEBI:CHEBI:456215; EC=6.1.1.20;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00281};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00281};
CC       Note=Binds 2 magnesium ions per tetramer. {ECO:0000255|HAMAP-
CC       Rule:MF_00281};
CC   -!- SUBUNIT: Tetramer of two alpha and two beta subunits.
CC       {ECO:0000255|HAMAP-Rule:MF_00281}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00281}.
CC   -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC       Phe-tRNA synthetase alpha subunit type 1 subfamily. {ECO:0000255|HAMAP-
CC       Rule:MF_00281}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP000777; ABZ93029.1; -; Genomic_DNA.
DR   RefSeq; WP_012387535.1; NC_010842.1.
DR   AlphaFoldDB; B0SBK8; -.
DR   SMR; B0SBK8; -.
DR   KEGG; lbf:LBF_0490; -.
DR   HOGENOM; CLU_025086_0_1_12; -.
DR   OMA; DWHNFTA; -.
DR   BioCyc; LBIF355278:LBF_RS02505-MON; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004826; F:phenylalanine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000049; F:tRNA binding; IEA:InterPro.
DR   GO; GO:0006432; P:phenylalanyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.30.930.10; -; 1.
DR   HAMAP; MF_00281; Phe_tRNA_synth_alpha1; 1.
DR   InterPro; IPR006195; aa-tRNA-synth_II.
DR   InterPro; IPR045864; aa-tRNA-synth_II/BPL/LPL.
DR   InterPro; IPR004529; Phe-tRNA-synth_IIc_asu.
DR   InterPro; IPR004530; Phe-tRNA-synth_IIc_mito.
DR   InterPro; IPR004188; Phe-tRNA_ligase_II_N.
DR   InterPro; IPR022911; Phe_tRNA_ligase_alpha1_bac.
DR   InterPro; IPR002319; Phenylalanyl-tRNA_Synthase.
DR   InterPro; IPR010978; tRNA-bd_arm.
DR   PANTHER; PTHR11538:SF41; PTHR11538:SF41; 1.
DR   Pfam; PF02912; Phe_tRNA-synt_N; 1.
DR   Pfam; PF01409; tRNA-synt_2d; 1.
DR   SUPFAM; SSF46589; SSF46589; 1.
DR   SUPFAM; SSF55681; SSF55681; 1.
DR   TIGRFAMs; TIGR00468; pheS; 1.
DR   PROSITE; PS50862; AA_TRNA_LIGASE_II; 1.
PE   3: Inferred from homology;
KW   Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase; Magnesium;
KW   Metal-binding; Nucleotide-binding; Protein biosynthesis.
FT   CHAIN           1..341
FT                   /note="Phenylalanine--tRNA ligase alpha subunit"
FT                   /id="PRO_1000114886"
FT   BINDING         256
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_note="shared with beta subunit"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00281"
SQ   SEQUENCE   341 AA;  38568 MW;  90F3E78CAFCCBA87 CRC64;
     MSLSQEIVSL VKEAETVLSS ATTEQELDAL KNQFLGKKGK LTSVLKGLAS LTVEEKKTVG
     KEANEAQTKL EQFVEAKRTI LKESFYENQL GKESFDTLRP LPKKERGSLH PISQIQYEIE
     DIFTSMGFSV MDGPEVETDE NNFGALNFTE DHPARDMQDT FYTVDGNLLR THTSAIQVRA
     LRKLKPPFRI IAPGRVFRYE EVDASHENTF YQVEGMVVGE NISVAHLIYT METLLSRVFR
     KEIKTRLRPG YFPFVEPGFE LDINCLVCSG DGCSVCKQSG WLELLPCGLV HPNVLEAAGL
     DSKKWTGFAF GLGLDRLVMM RYGIHDIRYF QSGNLRFLKQ F