ID   SYFA_ALTMD              Reviewed;         326 AA.
AC   B4RS43; F2G9B6;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   23-SEP-2008, sequence version 1.
DT   03-AUG-2022, entry version 89.
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=MADE_1008275;
OS   Alteromonas mediterranea (strain DSM 17117 / CIP 110805 / LMG 28347 / Deep
OS   ecotype).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Alteromonadaceae; Alteromonas/Salinimonas group; Alteromonas.
OX   NCBI_TaxID=1774373;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 17117 / CIP 110805 / LMG 28347 / Deep ecotype;
RX   PubMed=18670397; DOI=10.1038/ismej.2008.74;
RA   Ivars-Martinez E., Martin-Cuadrado A.-B., D'Auria G., Mira A., Ferriera S.,
RA   Johnson J., Friedman R., Rodriguez-Valera F.;
RT   "Comparative genomics of two ecotypes of the marine planktonic copiotroph
RT   Alteromonas macleodii suggests alternative lifestyles associated with
RT   different kinds of particulate organic matter.";
RL   ISME J. 2:1194-1212(2008).
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; CP001103; AEA97795.1; -; Genomic_DNA.
DR   RefSeq; WP_012518127.1; NC_011138.3.
DR   AlphaFoldDB; B4RS43; -.
DR   SMR; B4RS43; -.
DR   EnsemblBacteria; AEA97795; AEA97795; MADE_1008275.
DR   GeneID; 61588457; -.
DR   KEGG; amc:MADE_1008275; -.
DR   HOGENOM; CLU_025086_0_1_6; -.
DR   OMA; DWHNFTA; -.
DR   Proteomes; UP000001870; 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..326
FT                   /note="Phenylalanine--tRNA ligase alpha subunit"
FT                   /id="PRO_1000114845"
FT   BINDING         251
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   326 AA;  36819 MW;  D964E777E7B614A8 CRC64;
     MELDAIINQA QSQIDAAQDA ATLDQVRVEF MGKKGKLTDL LKGLGKLSNE ERPAAGQKIN
     QAKQVIQQAI SAKGEFLRTE ELNKKLAEEA VDVTLPGRTE KPGNLHPVSR TIARIESFFG
     ELGFSVKTGP EIEDGFHNFD ALNIPANHPA RADHDTFYFN PDMMLRTQTS GVQIRTMEAE
     KPPLRIISPG RVYRNDYDQT HTPMFHQVEG LMVDKNVSFT DLKGILHDFL HHFFEESLEI
     RFRPSYFPFT EPSAEVDVMG KNGQWLEVLG CGMVHPNVLK AVGIDPEEYT GFAFGMGVER
     LTMLRYGVND LRAFFENDLR FLKQFN