ID SYFA_NITWN Reviewed; 369 AA.
AC Q3SWK7;
DT 04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT 11-OCT-2005, sequence version 1.
DT 27-MAR-2024, entry version 114.
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=Nwi_0066;
OS Nitrobacter winogradskyi (strain ATCC 25391 / DSM 10237 / CIP 104748 /
OS NCIMB 11846 / Nb-255).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Nitrobacteraceae; Nitrobacter.
OX NCBI_TaxID=323098;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 25391 / DSM 10237 / CIP 104748 / NCIMB 11846 / Nb-255;
RX PubMed=16517654; DOI=10.1128/aem.72.3.2050-2063.2006;
RA Starkenburg S.R., Chain P.S.G., Sayavedra-Soto L.A., Hauser L., Land M.L.,
RA Larimer F.W., Malfatti S.A., Klotz M.G., Bottomley P.J., Arp D.J.,
RA Hickey W.J.;
RT "Genome sequence of the chemolithoautotrophic nitrite-oxidizing bacterium
RT Nitrobacter winogradskyi Nb-255.";
RL Appl. Environ. Microbiol. 72:2050-2063(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; CP000115; ABA03334.1; -; Genomic_DNA.
DR AlphaFoldDB; Q3SWK7; -.
DR SMR; Q3SWK7; -.
DR STRING; 323098.Nwi_0066; -.
DR KEGG; nwi:Nwi_0066; -.
DR eggNOG; COG0016; Bacteria.
DR HOGENOM; CLU_025086_0_1_5; -.
DR Proteomes; UP000002531; 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..369
FT /note="Phenylalanine--tRNA ligase alpha subunit"
FT /id="PRO_0000231999"
FT BINDING 269
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 369 AA; 41616 MW; 4701DAA02AC45390 CRC64;
MTLCKWWRFM SDLDALQSNI LADIANASDE AALEAVRVMA LGKKGSISAL LATLGKMSPD
ERKTEGAKIN LAKDTVTRAL AARREVLKAL ALDARLASET IDVTPPLRET PAEAGRIHPL
SQVWDEVTTI FADMGFAVAE GPDIETDDYN FTRLNFPEGH PAREMHDTFY FNPKDDGSRL
LLRTHTSPVQ VRTMLSQKPP IRVICPGRTY RSDSDQTHTP MFHQVEGLVI DKSSHLGHLK
WILHEFCKAF FEVDNVNMRF RPSFFPFTEP SLEVDIQCRR DKHEIRFGEG EDWLEILGCG
MVHPNVLKLC GIDPEVYQGF AWGMGIDRIT MLKYGIADLR QLFEGDVRWL THYGFRPLEI
PTLAGGLSS
//
