ID   SYFA_AYWBP              Reviewed;         343 AA.
AC   Q2NJZ3;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   07-FEB-2006, sequence version 1.
DT   03-AUG-2022, entry version 96.
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=AYWB_133;
OS   Aster yellows witches'-broom phytoplasma (strain AYWB).
OC   Bacteria; Tenericutes; Mollicutes; Acholeplasmatales; Acholeplasmataceae;
OC   Candidatus Phytoplasma; Candidatus Phytoplasma asteris.
OX   NCBI_TaxID=322098;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AYWB;
RX   PubMed=16672622; DOI=10.1128/jb.188.10.3682-3696.2006;
RA   Bai X., Zhang J., Ewing A., Miller S.A., Jancso Radek A., Shevchenko D.V.,
RA   Tsukerman K., Walunas T., Lapidus A., Campbell J.W., Hogenhout S.A.;
RT   "Living with genome instability: the adaptation of phytoplasmas to diverse
RT   environments of their insect and plant hosts.";
RL   J. Bacteriol. 188:3682-3696(2006).
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; CP000061; ABC65250.1; -; Genomic_DNA.
DR   RefSeq; WP_011412416.1; NC_007716.1.
DR   AlphaFoldDB; Q2NJZ3; -.
DR   SMR; Q2NJZ3; -.
DR   STRING; 322098.AYWB_133; -.
DR   EnsemblBacteria; ABC65250; ABC65250; AYWB_133.
DR   KEGG; ayw:AYWB_133; -.
DR   eggNOG; COG0016; Bacteria.
DR   HOGENOM; CLU_025086_0_1_14; -.
DR   OMA; DWHNFTA; -.
DR   OrthoDB; 469058at2; -.
DR   PhylomeDB; Q2NJZ3; -.
DR   Proteomes; UP000001934; Chromosome.
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..343
FT                   /note="Phenylalanine--tRNA ligase alpha subunit"
FT                   /id="PRO_1000006797"
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   343 AA;  39875 MW;  D1630DFA97EFBF6A CRC64;
     MQTKIKKLIA QFHTSLQKNK YDLDKLMILD KEFLGKKGIL FELTQELKNL PHAQKSVAGK
     LINFLKQEII FTLQKEKETL KRNQLNAKIL QEEIDPTLPA FNFCQGSTHP LNQIIEKIED
     LFLSLGYEIK EGNEIETLFY NFEMLNMGKG HPAREMQDSF YIDSQKLLRT HTSNIQVKEM
     KARQGKPLKI ISSGKVYRKD DDDATHSHQF MQLEGLVIDK NINFSVLKET LLLITKELFG
     NSQEIHLRPS YFPFTEPSIE VDLVITKKDG TKEYLEILGA GLVHPQVLKN ANYDPEKYQG
     FAFGIGIERI AMIKYQIENI RYFYANDIRF LKQFARNADN ENY