ID SYFA_RHIEC Reviewed; 360 AA.
AC Q2KDK0;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 07-MAR-2006, sequence version 1.
DT 27-MAR-2024, entry version 118.
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=RHE_CH00263;
OS Rhizobium etli (strain CFN 42 / ATCC 51251).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Rhizobiaceae; Rhizobium/Agrobacterium group; Rhizobium.
OX NCBI_TaxID=347834;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CFN 42 / ATCC 51251;
RX PubMed=16505379; DOI=10.1073/pnas.0508502103;
RA Gonzalez V., Santamaria R.I., Bustos P., Hernandez-Gonzalez I.,
RA Medrano-Soto A., Moreno-Hagelsieb G., Janga S.C., Ramirez M.A.,
RA Jimenez-Jacinto V., Collado-Vides J., Davila G.;
RT "The partitioned Rhizobium etli genome: genetic and metabolic redundancy in
RT seven interacting replicons.";
RL Proc. Natl. Acad. Sci. U.S.A. 103:3834-3839(2006).
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; CP000133; ABC89086.1; -; Genomic_DNA.
DR RefSeq; WP_011423648.1; NC_007761.1.
DR AlphaFoldDB; Q2KDK0; -.
DR SMR; Q2KDK0; -.
DR KEGG; ret:RHE_CH00263; -.
DR eggNOG; COG0016; Bacteria.
DR HOGENOM; CLU_025086_0_1_5; -.
DR OrthoDB; 9800719at2; -.
DR Proteomes; UP000001936; 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 CDD; cd00496; PheRS_alpha_core; 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; 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 NCBIfam; TIGR00468; pheS; 1.
DR PANTHER; PTHR11538:SF41; PHENYLALANINE--TRNA LIGASE, MITOCHONDRIAL; 1.
DR PANTHER; PTHR11538; PHENYLALANYL-TRNA SYNTHETASE; 1.
DR Pfam; PF02912; Phe_tRNA-synt_N; 1.
DR Pfam; PF01409; tRNA-synt_2d; 1.
DR SUPFAM; SSF55681; Class II aaRS and biotin synthetases; 1.
DR SUPFAM; SSF46589; tRNA-binding arm; 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..360
FT /note="Phenylalanine--tRNA ligase alpha subunit"
FT /id="PRO_1000006880"
FT BINDING 260
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 360 AA; 40158 MW; F6077BA9C84DA0FB CRC64;
MSDIDQLNSS LLAEIAAAND EAALEAVRVS ALGKKGSVSE LLKTLGSMTP EERQTRGAAI
NALKNAVTDA VAERRSVLKV AAVNARLKAE TVDVSLPVRS SPAERGRIHP ISQIVDEITA
IFADMGFSIA EGPDIETDYY NFTALNFPEG HPAREMHDTF FFNPDENGER KVLRTHTSPV
QVRTMEAQQP PIRIIIPGKT YRQDSDATHS PMFHQVEGLV IDKKANVANI RWVLEEFCKT
FFEVDSVTMR FRPSFFPFTE PSFEVDIQCD RSGPIVKFGE GTDWMEILGC GMVHPNVLRY
GGLDPDEYQG FAWGMGLDRI AMLKYGMPDL RDFFNADVRW MTHYGFRPLD MPTLFGGLSA
//
