ID   SYFA_METM7              Reviewed;         501 AA.
AC   A6VH81;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   03-AUG-2022, entry version 78.
DE   RecName: Full=Phenylalanine--tRNA ligase alpha subunit {ECO:0000255|HAMAP-Rule:MF_00282};
DE            EC=6.1.1.20 {ECO:0000255|HAMAP-Rule:MF_00282};
DE   AltName: Full=Phenylalanyl-tRNA synthetase alpha subunit {ECO:0000255|HAMAP-Rule:MF_00282};
DE            Short=PheRS {ECO:0000255|HAMAP-Rule:MF_00282};
GN   Name=pheS {ECO:0000255|HAMAP-Rule:MF_00282}; OrderedLocusNames=MmarC7_0740;
OS   Methanococcus maripaludis (strain C7 / ATCC BAA-1331).
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanococcaceae; Methanococcus.
OX   NCBI_TaxID=426368;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=C7 / ATCC BAA-1331;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Clum A., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Anderson I., Sieprawska-Lupa M., Whitman W.B., Richardson P.;
RT   "Complete sequence of Methanococcus maripaludis C7.";
RL   Submitted (JUN-2007) to the EMBL/GenBank/DDBJ databases.
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_00282};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00282};
CC       Note=Binds 2 magnesium ions per tetramer. {ECO:0000255|HAMAP-
CC       Rule:MF_00282};
CC   -!- SUBUNIT: Tetramer of two alpha and two beta subunits.
CC       {ECO:0000255|HAMAP-Rule:MF_00282}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00282}.
CC   -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC       Phe-tRNA synthetase alpha subunit type 2 subfamily. {ECO:0000255|HAMAP-
CC       Rule:MF_00282}.
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DR   EMBL; CP000745; ABR65807.1; -; Genomic_DNA.
DR   RefSeq; WP_011977127.1; NC_009637.1.
DR   AlphaFoldDB; A6VH81; -.
DR   SMR; A6VH81; -.
DR   STRING; 426368.MmarC7_0740; -.
DR   EnsemblBacteria; ABR65807; ABR65807; MmarC7_0740.
DR   GeneID; 5328864; -.
DR   KEGG; mmz:MmarC7_0740; -.
DR   eggNOG; arCOG00410; Archaea.
DR   HOGENOM; CLU_025086_2_2_2; -.
DR   OMA; QIEGWVM; -.
DR   OrthoDB; 22747at2157; -.
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_00282; Phe_tRNA_synth_alpha2; 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; IPR022917; Phe_tRNA_ligase_alpha_bac/arc.
DR   InterPro; IPR002319; Phenylalanyl-tRNA_Synthase.
DR   Pfam; PF01409; tRNA-synt_2d; 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..501
FT                   /note="Phenylalanine--tRNA ligase alpha subunit"
FT                   /id="PRO_1000007663"
FT   BINDING         340
FT                   /ligand="L-phenylalanine"
FT                   /ligand_id="ChEBI:CHEBI:58095"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00282"
FT   BINDING         423
FT                   /ligand="L-phenylalanine"
FT                   /ligand_id="ChEBI:CHEBI:58095"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00282"
FT   BINDING         425
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_note="shared with beta subunit"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00282"
FT   BINDING         448
FT                   /ligand="L-phenylalanine"
FT                   /ligand_id="ChEBI:CHEBI:58095"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00282"
SQ   SEQUENCE   501 AA;  58159 MW;  6662BD46E5BAFE1D CRC64;
     MELHNDEKRL LKAFQDSNKK IMNLEELSEY IEKEKVMRAA FWLSGRDFLE IIENKTRVCE
     LTELGKNSLD SEIPERKVAN YIKENNLESI PIKDLSKILE KDETGAALGN LKKKELVTID
     KGNIVFKNLD YKDNEEEVLK KVSEDFNLSN YSEDEVKIIE NLKKRGFLKI NEVVDRSFEL
     KSAGIDFIKN PIEIKEEITQ LTREMIVSGK WNDYTIRPYD AKIPTEEIYP VKAHPMSKII
     QEVNEVLISM GFKEVKSQIV QTEFWNFDTL FEPQDHPARD MQDTFFVKYP NTGIVPKDLL
     EKVKGIHECG TIGSEKISKG WCYKFDEKVS ERTVLRTHTT VSSIKYLASL SETERENPQK
     VFCIDRVFRN ETIDYKHLPE FYQCEGIVMA EDVNFDNLVG VLKEFLRKLG FEKVRIRPAY
     FPFTEPSLEA EVYMEGKGWL ELLGAGVFRP EVLEPFGIKK PVLAWGIGLS RLAMLRLGLT
     DIRELHKNDI EWLKKTAVSE K