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SYFA_STRA3
ID   SYFA_STRA3              Reviewed;         346 AA.
AC   Q8E5U3;
DT   16-JAN-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   03-AUG-2022, entry version 109.
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=gbs0886;
OS   Streptococcus agalactiae serotype III (strain NEM316).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=211110;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NEM316;
RX   PubMed=12354221; DOI=10.1046/j.1365-2958.2002.03126.x;
RA   Glaser P., Rusniok C., Buchrieser C., Chevalier F., Frangeul L., Msadek T.,
RA   Zouine M., Couve E., Lalioui L., Poyart C., Trieu-Cuot P., Kunst F.;
RT   "Genome sequence of Streptococcus agalactiae, a pathogen causing invasive
RT   neonatal disease.";
RL   Mol. Microbiol. 45:1499-1513(2002).
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; AL766847; CAD46530.1; -; Genomic_DNA.
DR   RefSeq; WP_000365658.1; NC_004368.1.
DR   AlphaFoldDB; Q8E5U3; -.
DR   SMR; Q8E5U3; -.
DR   STRING; 211110.gbs0886; -.
DR   EnsemblBacteria; CAD46530; CAD46530; CAD46530.
DR   KEGG; san:pheS; -.
DR   eggNOG; COG0016; Bacteria.
DR   HOGENOM; CLU_025086_0_1_9; -.
DR   OMA; DWHNFTA; -.
DR   Proteomes; UP000000823; 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..346
FT                   /note="Phenylalanine--tRNA ligase alpha subunit"
FT                   /id="PRO_0000126768"
FT   BINDING         261
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   346 AA;  39168 MW;  4FC18C6F9350F298 CRC64;
     MDLQKQLEEL KISTQEKLKE MTGNHTKELQ DLRVQVLGKK GSLTELLKGL KDLSNDLRPV
     VGKQVNEVRD ILTKAFEEQA KVVEAAKIQA QLESESVDVT LPGRQMTLGH RHVLTQTSEE
     IEDIFLGMGF QVVGGFEVEK DYYNFERMNL PKDHPARDMQ DTFYITEEIL LRTHTSPVQA
     RTMDQHDFSK GPLKMISPGR VFRRDTDDAT HSHQFHQIEG LVVGENISMG DLKGTLQLIS
     QKMFGAERKI RLRPSYFPFT EPSVEVDVSC FKCGGKGCNV CKQTGWIEIL GAGMVHPSVL
     EMSGIDSEKY SGFAFGLGQE RIAMLRYGIN DIRGFYQGDV RFTDQF
 
 
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