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SYFA_HAHCH
ID   SYFA_HAHCH              Reviewed;         331 AA.
AC   Q2SDJ6;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   24-JAN-2006, sequence version 1.
DT   03-AUG-2022, entry version 97.
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=HCH_04575;
OS   Hahella chejuensis (strain KCTC 2396).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Oceanospirillales;
OC   Hahellaceae; Hahella.
OX   NCBI_TaxID=349521;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=KCTC 2396;
RX   PubMed=16352867; DOI=10.1093/nar/gki1016;
RA   Jeong H., Yim J.H., Lee C., Choi S.-H., Park Y.K., Yoon S.H., Hur C.-G.,
RA   Kang H.-Y., Kim D., Lee H.H., Park K.H., Park S.-H., Park H.-S., Lee H.K.,
RA   Oh T.K., Kim J.F.;
RT   "Genomic blueprint of Hahella chejuensis, a marine microbe producing an
RT   algicidal agent.";
RL   Nucleic Acids Res. 33:7066-7073(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; CP000155; ABC31278.1; -; Genomic_DNA.
DR   RefSeq; WP_011398343.1; NC_007645.1.
DR   AlphaFoldDB; Q2SDJ6; -.
DR   SMR; Q2SDJ6; -.
DR   STRING; 349521.HCH_04575; -.
DR   EnsemblBacteria; ABC31278; ABC31278; HCH_04575.
DR   KEGG; hch:HCH_04575; -.
DR   eggNOG; COG0016; Bacteria.
DR   HOGENOM; CLU_025086_0_1_6; -.
DR   OMA; DWHNFTA; -.
DR   OrthoDB; 469058at2; -.
DR   Proteomes; UP000000238; 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..331
FT                   /note="Phenylalanine--tRNA ligase alpha subunit"
FT                   /id="PRO_1000006840"
FT   BINDING         252
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   331 AA;  37712 MW;  5C39F1F3DF85C122 CRC64;
     MENLEGIVDR AKDAVAKAES EQSLEQLRVD YLGKKGRITQ LLKELGRLDA AERPAAGAKI
     NEAKLLVQDL INEAKSELSS KNEAAKLAAE SIDVTLPGRK ESLGTLHPVT RTMLRIEDFF
     ARSGYTVEEG PEIQDDYHNF EALNIPSHHP ARAMHDTFYF DPKTLLRTHT SPVQIRVMES
     SKPPFRMICP GRVYRCDSDM THTPMFHQVE GLMVDKHVSF ADLKSTIVEF LREFFEKDLE
     VRFRPSYFPF TEPSAEVDIE WGRNEDGSIK WLEVMGCGMV HPKVFEAAGV DSETYSGFAF
     GMGVERLAML RYGVNDLRMF FENDMRFLDQ F
 
 
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