ID SYFA_STAAU Reviewed; 352 AA.
AC P68849; Q99QR1;
DT 21-DEC-2004, integrated into UniProtKB/Swiss-Prot.
DT 21-DEC-2004, sequence version 1.
DT 27-MAR-2024, entry version 96.
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};
OS Staphylococcus aureus.
OC Bacteria; Bacillota; Bacilli; Bacillales; Staphylococcaceae;
OC Staphylococcus.
OX NCBI_TaxID=1280;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=WCUH29 / NCIMB 40771;
RX PubMed=11281723; DOI=10.1006/prep.2001.1407;
RA Savopoulos J.W., Hibbs M., Jones E.J., Mensah L., Richardson C.,
RA Fosberry A., Downes R., Fox S.G., Brown J.R., Jenkins O.;
RT "Identification, cloning, and expression of a functional phenylalanyl-tRNA
RT synthetase (pheRS) from Staphylococcus aureus.";
RL Protein Expr. Purif. 21:470-484(2001).
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.
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; AF327740; AAK15704.1; -; Genomic_DNA.
DR RefSeq; WP_000003566.1; NZ_WYDB01000003.1.
DR AlphaFoldDB; P68849; -.
DR SMR; P68849; -.
DR BindingDB; P68849; -.
DR ChEMBL; CHEMBL3436; -.
DR OMA; EIMGCGM; -.
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:0016740; F:transferase activity; IEA:UniProt.
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.
FT CHAIN 1..352
FT /note="Phenylalanine--tRNA ligase alpha subunit"
FT /id="PRO_0000126764"
FT BINDING 258
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 352 AA; 40121 MW; 01FD437729B8FDF7 CRC64;
MSEQQTMSEL KQQALVDINE ANDERALQEV KVKYLGKKGS VSGLMKLMKD LPNEEKPAFG
QKVNELRQTI QNELDERQQM LVKEKLNKQL AEETIDVSLP GRHIEIGSKH PLTRTIEEIE
DLFLGLGYEI VNGYEVEQDH YNFEMLNLPK SHPARDMQDS FYITDEILLR THTSPVQART
MESRHGQGPV KIICPGKVYR RDSDDATHSH QFTQIEGLVV DKNVKMSDLK GTLELLAKKL
FGADREIRLR PSYFPFTEPS VEVDVSCFKC KGKGCNVCKH TGWIEILGAG MVHPNVLEMA
GFDSSEYSGF AFGMGPDRIA MLKYGIEDIR HFYTNDVRFL DQFKAVEDRG DM
//
