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Database: UniProt
Entry: P17921
LinkDB: P17921
Original site: P17921 
ID   SYFA_BACSU              Reviewed;         344 AA.
AC   P17921; P94539;
DT   01-NOV-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 2.
DT   08-NOV-2023, entry version 161.
DE   RecName: Full=Phenylalanine--tRNA ligase alpha subunit;
DE            EC=6.1.1.20;
DE   AltName: Full=Phenylalanyl-tRNA synthetase alpha subunit;
DE            Short=PheRS;
GN   Name=pheS; OrderedLocusNames=BSU28640;
OS   Bacillus subtilis (strain 168).
OC   Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Bacillus.
OX   NCBI_TaxID=224308;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=168;
RX   PubMed=2127701; DOI=10.1016/0300-9084(90)90157-c;
RA   Brakhage A., Wozny M., Putzer H.;
RT   "Structure and nucleotide sequence of the Bacillus subtilis phenylalanyl-
RT   tRNA synthetase genes.";
RL   Biochimie 72:725-734(1990).
RN   [2]
RP   ERRATUM OF PUBMED:2127701.
RX   PubMed=1903307; DOI=10.1016/0300-9084(91)90085-f;
RA   Brakhage A., Wozny M., Putzer H.;
RL   Biochimie 73:127-127(1991).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=168;
RX   PubMed=8969504; DOI=10.1099/13500872-142-11-3067;
RA   Wipat A., Carter N., Brignell C.S., Guy J.B., Piper K., Sanders J.,
RA   Emmerson P.T., Harwood C.R.;
RT   "The dnaB-pheA (256 degrees-240 degrees) region of the Bacillus subtilis
RT   chromosome containing genes responsible for stress responses, the
RT   utilization of plant cell walls and primary metabolism.";
RL   Microbiology 142:3067-3078(1996).
RN   [4]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=168;
RX   PubMed=9384377; DOI=10.1038/36786;
RA   Kunst F., Ogasawara N., Moszer I., Albertini A.M., Alloni G., Azevedo V.,
RA   Bertero M.G., Bessieres P., Bolotin A., Borchert S., Borriss R.,
RA   Boursier L., Brans A., Braun M., Brignell S.C., Bron S., Brouillet S.,
RA   Bruschi C.V., Caldwell B., Capuano V., Carter N.M., Choi S.-K.,
RA   Codani J.-J., Connerton I.F., Cummings N.J., Daniel R.A., Denizot F.,
RA   Devine K.M., Duesterhoeft A., Ehrlich S.D., Emmerson P.T., Entian K.-D.,
RA   Errington J., Fabret C., Ferrari E., Foulger D., Fritz C., Fujita M.,
RA   Fujita Y., Fuma S., Galizzi A., Galleron N., Ghim S.-Y., Glaser P.,
RA   Goffeau A., Golightly E.J., Grandi G., Guiseppi G., Guy B.J., Haga K.,
RA   Haiech J., Harwood C.R., Henaut A., Hilbert H., Holsappel S., Hosono S.,
RA   Hullo M.-F., Itaya M., Jones L.-M., Joris B., Karamata D., Kasahara Y.,
RA   Klaerr-Blanchard M., Klein C., Kobayashi Y., Koetter P., Koningstein G.,
RA   Krogh S., Kumano M., Kurita K., Lapidus A., Lardinois S., Lauber J.,
RA   Lazarevic V., Lee S.-M., Levine A., Liu H., Masuda S., Mauel C.,
RA   Medigue C., Medina N., Mellado R.P., Mizuno M., Moestl D., Nakai S.,
RA   Noback M., Noone D., O'Reilly M., Ogawa K., Ogiwara A., Oudega B.,
RA   Park S.-H., Parro V., Pohl T.M., Portetelle D., Porwollik S.,
RA   Prescott A.M., Presecan E., Pujic P., Purnelle B., Rapoport G., Rey M.,
RA   Reynolds S., Rieger M., Rivolta C., Rocha E., Roche B., Rose M., Sadaie Y.,
RA   Sato T., Scanlan E., Schleich S., Schroeter R., Scoffone F., Sekiguchi J.,
RA   Sekowska A., Seror S.J., Serror P., Shin B.-S., Soldo B., Sorokin A.,
RA   Tacconi E., Takagi T., Takahashi H., Takemaru K., Takeuchi M.,
RA   Tamakoshi A., Tanaka T., Terpstra P., Tognoni A., Tosato V., Uchiyama S.,
RA   Vandenbol M., Vannier F., Vassarotti A., Viari A., Wambutt R., Wedler E.,
RA   Wedler H., Weitzenegger T., Winters P., Wipat A., Yamamoto H., Yamane K.,
RA   Yasumoto K., Yata K., Yoshida K., Yoshikawa H.-F., Zumstein E.,
RA   Yoshikawa H., Danchin A.;
RT   "The complete genome sequence of the Gram-positive bacterium Bacillus
RT   subtilis.";
RL   Nature 390:249-256(1997).
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   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC       Note=Binds 2 magnesium ions per tetramer. {ECO:0000250};
CC   -!- SUBUNIT: Tetramer of two alpha and two beta subunits. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm.
CC   -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC       Phe-tRNA synthetase alpha subunit type 1 subfamily. {ECO:0000305}.
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DR   EMBL; X53057; CAA37224.1; -; Genomic_DNA.
DR   EMBL; Z75208; CAA99603.1; -; Genomic_DNA.
DR   EMBL; AL009126; CAB14824.1; -; Genomic_DNA.
DR   PIR; H69675; YFBSA.
DR   RefSeq; NP_390742.1; NC_000964.3.
DR   RefSeq; WP_004398818.1; NZ_JNCM01000036.1.
DR   AlphaFoldDB; P17921; -.
DR   SMR; P17921; -.
DR   STRING; 224308.BSU28640; -.
DR   jPOST; P17921; -.
DR   PaxDb; 224308-BSU28640; -.
DR   EnsemblBacteria; CAB14824; CAB14824; BSU_28640.
DR   GeneID; 937987; -.
DR   KEGG; bsu:BSU28640; -.
DR   PATRIC; fig|224308.179.peg.3111; -.
DR   eggNOG; COG0016; Bacteria.
DR   InParanoid; P17921; -.
DR   OMA; DWHNFTA; -.
DR   OrthoDB; 9800719at2; -.
DR   PhylomeDB; P17921; -.
DR   BioCyc; BSUB:BSU28640-MONOMER; -.
DR   SABIO-RK; P17921; -.
DR   Proteomes; UP000001570; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
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; IBA:GO_Central.
DR   GO; GO:0016740; F:transferase activity; IEA:UniProt.
DR   GO; GO:0000049; F:tRNA binding; IEA:InterPro.
DR   GO; GO:0006432; P:phenylalanyl-tRNA aminoacylation; IBA:GO_Central.
DR   CDD; cd00496; PheRS_alpha_core; 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; 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   NCBIfam; TIGR00468; pheS; 1.
DR   PANTHER; PTHR11538:SF41; PHENYLALANINE--TRNA LIGASE, MITOCHONDRIAL; 1.
DR   PANTHER; PTHR11538; PHENYLALANYL-TRNA SYNTHETASE; 1.
DR   Pfam; PF02912; Phe_tRNA-synt_N; 1.
DR   Pfam; PF01409; tRNA-synt_2d; 1.
DR   SUPFAM; SSF55681; Class II aaRS and biotin synthetases; 1.
DR   SUPFAM; SSF46589; tRNA-binding arm; 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;
KW   Reference proteome.
FT   CHAIN           1..344
FT                   /note="Phenylalanine--tRNA ligase alpha subunit"
FT                   /id="PRO_0000126666"
FT   BINDING         256
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_note="shared with beta subunit"
FT                   /evidence="ECO:0000250"
FT   CONFLICT        90..105
FT                   /note="GQTIDVTLPGNPVAVG -> DRQLTSRCREPCCSR (in Ref. 1;
FT                   CAA37224)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   344 AA;  38675 MW;  41C4AB7A81134C46 CRC64;
     MEEKLKQLEQ EALEQVEAAS SLKVVNDIRV QYLGKKGPIT EVLRGMGKLS AEERPKMGAL
     ANEVRERIAN AIADKNEKLE EEEMKQKLAG QTIDVTLPGN PVAVGGRHPL TVVIEEIEDL
     FIGMGYTVEE GPEVETDYYN FESLNLPKEH PARDMQDSFY ITEETLMRTQ TSPVQTRTME
     KHEGKGPVKI ICPGKVYRRD NDDATHSHQF MQIEGLVVDK NISMSDLKGT LELVAKKMFG
     QDREIRLRPS FFPFTEPSVE VDVTCFKCGG NGCSVCKGTG WIEILGAGMV HPNVLKMAGF
     DPKEYQGFAF GMGVERIAML KYGIDDIRHF YTNDVRFISQ FKQA
//
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