ID   SYFA_FRAP2              Reviewed;         337 AA.
AC   B0U0C4;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   03-AUG-2022, entry version 77.
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=Fphi_1729;
OS   Francisella philomiragia subsp. philomiragia (strain ATCC 25017 / FSC 153 /
OS   O#319-036).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Thiotrichales;
OC   Francisellaceae; Francisella.
OX   NCBI_TaxID=484022;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 25017 / FSC 153 / O#319-036;
RG   US DOE Joint Genome Institute;
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., Pitluck S.,
RA   Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Richardson P.;
RT   "Complete sequence of chromosome of Francisella philomiragia subsp.
RT   philomiragia ATCC 25017.";
RL   Submitted (DEC-2007) to the EMBL/GenBank/DDBJ databases.
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}.
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DR   EMBL; CP000937; ABZ87954.1; -; Genomic_DNA.
DR   RefSeq; WP_012281015.1; NC_010336.1.
DR   AlphaFoldDB; B0U0C4; -.
DR   SMR; B0U0C4; -.
DR   STRING; 484022.Fphi_1729; -.
DR   EnsemblBacteria; ABZ87954; ABZ87954; Fphi_1729.
DR   KEGG; fph:Fphi_1729; -.
DR   eggNOG; COG0016; Bacteria.
DR   HOGENOM; CLU_025086_0_1_6; -.
DR   OMA; DWHNFTA; -.
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..337
FT                   /note="Phenylalanine--tRNA ligase alpha subunit"
FT                   /id="PRO_1000078839"
FT   BINDING         252
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   337 AA;  38398 MW;  3C50DCF0FC002DAA CRC64;
     MQIVDQMRDQ AFEELNLVND KKSLDDIRVK YLGKKGELTG MMRLIATLPN EEKPKLGQAV
     NIAKEALQNA INEKLAKFEE AELNEKLASE KIDVTLKGVG QNQGSLHPVT KTLNRIEAFF
     KQNGFAVEVG PEIESDYYNF ETLNIPSHHP ARAMHDTFYI DDTHVLRTHT SGVQIRTMEK
     QQPPIRIIAP GRVYRCDSDI THTPMFHQVE GLLVDKDVSF ADLKGLLHAF LNSFFEKDLK
     VRFRPSYFPF TEPSAEADME CVMCDGKGCR VCKHTGWLEV LGCGMVHPKV LKAGNIDSEN
     YQGFAFGMGV ERLSMLRYGI DDLRMFFEND LRFLKQF