ID   SYFA_BRUME              Reviewed;         369 AA.
AC   Q8YE73;
DT   19-OCT-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   04-NOV-2026, entry version 126.
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};
GN   OrderedLocusNames=BMEI2005;
OS   Brucella melitensis biotype 1 (strain ATCC 23456 / CCUG 17765 / NCTC 10094
OS   / 16M).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Alphaproteobacteria;
OC   Hyphomicrobiales; Brucellaceae; Brucella/Ochrobactrum group; Brucella;
OC   Brucella melitensis group.
OX   NCBI_TaxID=224914;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 23456 / CCUG 17765 / NCTC 10094 / 16M;
RX   PubMed=11756688; DOI=10.1073/pnas.221575398;
RA   DelVecchio V.G., Kapatral V., Redkar R.J., Patra G., Mujer C., Los T.,
RA   Ivanova N., Anderson I., Bhattacharyya A., Lykidis A., Reznik G.,
RA   Jablonski L., Larsen N., D'Souza M., Bernal A., Mazur M., Goltsman E.,
RA   Selkov E., Elzer P.H., Hagius S., O'Callaghan D., Letesson J.-J.,
RA   Haselkorn R., Kyrpides N.C., Overbeek R.;
RT   "The genome sequence of the facultative intracellular pathogen Brucella
RT   melitensis.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:443-448(2002).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=tRNA(Phe) + L-phenylalanine + ATP = L-phenylalanyl-tRNA(Phe) +
CC         AMP + diphosphate + H(+); 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; Evidence={ECO:0000255|HAMAP-
CC         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; AE008917; AAL53186.1; -; Genomic_DNA.
DR   PIR; AG3502; AG3502.
DR   RefSeq; WP_004684561.1; NC_003317.1.
DR   AlphaFoldDB; Q8YE73; -.
DR   SMR; Q8YE73; -.
DR   GeneID; 29594886; -.
DR   KEGG; bme:BMEI2005; -.
DR   KEGG; bmel:DK63_1486; -.
DR   PATRIC; fig|224914.52.peg.1566; -.
DR   eggNOG; COG0016; Bacteria.
DR   OMA; AAMMRHG; -.
DR   PhylomeDB; Q8YE73; -.
DR   Proteomes; UP000000419; Chromosome I.
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   CDD; cd00496; PheRS_alpha_core; 1.
DR   FunFam; 3.30.930.10:FF:000003; Phenylalanine--tRNA ligase alpha subunit; 1.
DR   Gene3D; 3.30.930.10; Bira Bifunctional Protein, Domain 2; 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..369
FT                   /note="Phenylalanine--tRNA ligase alpha subunit"
FT                   /id="PRO_0000126674"
FT   BINDING         269
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   369 AA;  41540 MW;  BC2B81DE7F180926 CRC64;
     MSDLEQLERQ ILEDIAAAVD EQGIEAVRVA ALGKKGTVSE KLKTLGGMSP EERQMQGPAI
     NGLKNRVTEA LSERRTELRK AAVAARLERE KVDVTLPVRE SAASRGRIHP ISQVIDEITA
     IFADMGFSIA EGPDIETDYY NFTALNFPEG HPAREMHDTF FFNPDEKGER KLLRTHTSPV
     QVHTMEKFAA MRDKEGRDEP IRIVIPGKTY RMDSDATHSP MFHQVEGLVV DKSANVANMK
     WVLEEFCKAF FEVPSVKMRM RPSFFPFTEP SVEVDIQCDR SGPHVKFGEG NDWLEILGCG
     MVHPNVLRMS GYDPEVYQGF AWGMGIGRIA MLKYGMPDLR AFFDADVRWI EHYGFRPLDI
     PTLFGGLSA
//