ID   SYFA_MYCPA              Reviewed;         347 AA.
AC   Q740J1;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 101.
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=MAP_1359;
OS   Mycolicibacterium paratuberculosis (strain ATCC BAA-968 / K-10)
OS   (Mycobacterium paratuberculosis).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycobacterium; Mycobacterium avium complex (MAC).
OX   NCBI_TaxID=262316;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-968 / K-10;
RX   PubMed=16116077; DOI=10.1073/pnas.0505662102;
RA   Li L., Bannantine J.P., Zhang Q., Amonsin A., May B.J., Alt D., Banerji N.,
RA   Kanjilal S., Kapur V.;
RT   "The complete genome sequence of Mycobacterium avium subspecies
RT   paratuberculosis.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:12344-12349(2005).
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; AE016958; AAS03676.1; -; Genomic_DNA.
DR   RefSeq; WP_003877766.1; NC_002944.2.
DR   AlphaFoldDB; Q740J1; -.
DR   SMR; Q740J1; -.
DR   STRING; 262316.MAP_1359; -.
DR   EnsemblBacteria; AAS03676; AAS03676; MAP_1359.
DR   KEGG; mpa:MAP_1359; -.
DR   PATRIC; fig|262316.17.peg.1433; -.
DR   eggNOG; COG0016; Bacteria.
DR   HOGENOM; CLU_025086_0_1_11; -.
DR   OMA; DWHNFTA; -.
DR   Proteomes; UP000000580; 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;
KW   Reference proteome.
FT   CHAIN           1..347
FT                   /note="Phenylalanine--tRNA ligase alpha subunit"
FT                   /id="PRO_0000231995"
FT   BINDING         265
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   347 AA;  37935 MW;  5FB9EBE9F21AFA13 CRC64;
     MGDQPVDLSE TALAEAVGAA RQAFARAGDL DALARLKTEH LGDRAPLALA RQALGGVPKD
     QRADAGRRVN AARAQAQQAY DERLDVLRAE RDAAVLVAER IDVTLPSTRQ PVGARHPITI
     LAEHIADTFI AMGWELAEGP EVEAEQFNFD ALNFPADHPA RSEQDTFYIA PEGSRQLLRT
     HTSPVQVRTL LARELPVYVI SIGRTFRTDE LDATHTPVFH QVEGLAVDRG LSMAHLRGTL
     DAFARAEFGP QARTRIRPHF FPFTEPSAEV DVWFVGKKGG AGWVEWGGCG MVHPNVLRAA
     GIDPDVYSGF AFGMGLERTL QFRNGIPDMR DMVEGDVRFL LPFGVGA