SYFA_METJA
ID SYFA_METJA Reviewed; 480 AA.
AC Q57911;
DT 01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1996, sequence version 1.
DT 03-AUG-2022, entry version 126.
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=MJ0487;
OS Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM
OS 10045 / NBRC 100440) (Methanococcus jannaschii).
OC Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC Methanocaldococcaceae; Methanocaldococcus.
OX NCBI_TaxID=243232;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440;
RX PubMed=8688087; DOI=10.1126/science.273.5278.1058;
RA Bult C.J., White O., Olsen G.J., Zhou L., Fleischmann R.D., Sutton G.G.,
RA Blake J.A., FitzGerald L.M., Clayton R.A., Gocayne J.D., Kerlavage A.R.,
RA Dougherty B.A., Tomb J.-F., Adams M.D., Reich C.I., Overbeek R.,
RA Kirkness E.F., Weinstock K.G., Merrick J.M., Glodek A., Scott J.L.,
RA Geoghagen N.S.M., Weidman J.F., Fuhrmann J.L., Nguyen D., Utterback T.R.,
RA Kelley J.M., Peterson J.D., Sadow P.W., Hanna M.C., Cotton M.D.,
RA Roberts K.M., Hurst M.A., Kaine B.P., Borodovsky M., Klenk H.-P.,
RA Fraser C.M., Smith H.O., Woese C.R., Venter J.C.;
RT "Complete genome sequence of the methanogenic archaeon, Methanococcus
RT jannaschii.";
RL Science 273:1058-1073(1996).
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; L77117; AAB98478.1; -; Genomic_DNA.
DR PIR; G64360; G64360.
DR RefSeq; WP_010869988.1; NC_000909.1.
DR AlphaFoldDB; Q57911; -.
DR SMR; Q57911; -.
DR STRING; 243232.MJ_0487; -.
DR PRIDE; Q57911; -.
DR EnsemblBacteria; AAB98478; AAB98478; MJ_0487.
DR GeneID; 1451349; -.
DR KEGG; mja:MJ_0487; -.
DR eggNOG; arCOG00410; Archaea.
DR HOGENOM; CLU_025086_2_2_2; -.
DR InParanoid; Q57911; -.
DR OMA; QIEGWVM; -.
DR OrthoDB; 22747at2157; -.
DR PhylomeDB; Q57911; -.
DR Proteomes; UP000000805; 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:0000049; F:tRNA binding; IEA:InterPro.
DR GO; GO:0006432; P:phenylalanyl-tRNA aminoacylation; IBA:GO_Central.
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;
KW Reference proteome.
FT CHAIN 1..480
FT /note="Phenylalanine--tRNA ligase alpha subunit"
FT /id="PRO_0000126810"
FT BINDING 324
FT /ligand="L-phenylalanine"
FT /ligand_id="ChEBI:CHEBI:58095"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00282"
FT BINDING 407
FT /ligand="L-phenylalanine"
FT /ligand_id="ChEBI:CHEBI:58095"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00282"
FT BINDING 409
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 432
FT /ligand="L-phenylalanine"
FT /ligand_id="ChEBI:CHEBI:58095"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00282"
SQ SEQUENCE 480 AA; 57027 MW; 1DC2599CF0D97B72 CRC64;
MELHIDEKRL LKIFQDNNRD EFNLNELEKF MPKEKILRVS LWLKGKNLVE TEEKVKKIIK
LIKEEEFPER KIANYLKQHN IKEIEIKNLK DILPKEEINA ALGAIKRKGI ARIEKGKIIF
DNLDYKDVEE QLLQKIKENK YLDDFSEEEK KIIDILKKRG YVDFDEEKEI KIKLTEKGKE
FIKNPIEIEE EITQLTRDII ISGKWKKAYI RPYDVKVPTK PIYPAKVHPL TRIIREVKEI
LLAMGFKEVK SPIVETEFWN FDMLFEPQDH PAREMQDTFF LKYPNEGDIP EDLLSKVKEV
HERCWKYKFD ENVSRRLILR THTTASSIRY LASLSDEEKN KPHKVFCIDR VFRNEAIDYK
HLPEFYQCEG IIMDDNVNFN NLIGVLKEFL NRLGFEKVRF RPAYFPFTEP SLEAEVYLEG
KGWLEILGAG IFRPEVLEPI GIEKPVLAWG IGFSRLAMLR YGLTDIRDLH KNDLDWLKRV
