ID   SYFA_NEIMA              Reviewed;         330 AA.
AC   Q9JR76; A1IQX6;
DT   08-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 128.
DE   RecName: Full=Phenylalanine--tRNA ligase alpha subunit;
DE            EC=6.1.1.20;
DE   AltName: Full=Phenylalanyl-tRNA synthetase alpha subunit;
DE            Short=PheRS;
GN   Name=pheS; OrderedLocusNames=NMA0933;
OS   Neisseria meningitidis serogroup A / serotype 4A (strain DSM 15465 /
OS   Z2491).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Neisseriales; Neisseriaceae;
OC   Neisseria.
OX   NCBI_TaxID=122587;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=DSM 15465 / Z2491;
RX   PubMed=10722605; DOI=10.1128/iai.68.4.2082-2095.2000;
RA   Klee S.R., Nassif X., Kusecek B., Merker P., Beretti J.-L., Achtman M.,
RA   Tinsley C.R.;
RT   "Molecular and biological analysis of eight genetic islands that
RT   distinguish Neisseria meningitidis from the closely related pathogen
RT   Neisseria gonorrhoeae.";
RL   Infect. Immun. 68:2082-2095(2000).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 15465 / Z2491;
RX   PubMed=10761919; DOI=10.1038/35006655;
RA   Parkhill J., Achtman M., James K.D., Bentley S.D., Churcher C.M.,
RA   Klee S.R., Morelli G., Basham D., Brown D., Chillingworth T., Davies R.M.,
RA   Davis P., Devlin K., Feltwell T., Hamlin N., Holroyd S., Jagels K.,
RA   Leather S., Moule S., Mungall K.L., Quail M.A., Rajandream M.A.,
RA   Rutherford K.M., Simmonds M., Skelton J., Whitehead S., Spratt B.G.,
RA   Barrell B.G.;
RT   "Complete DNA sequence of a serogroup A strain of Neisseria meningitidis
RT   Z2491.";
RL   Nature 404:502-506(2000).
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   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC       Note=Binds 2 magnesium ions per tetramer. {ECO:0000250};
CC   -!- SUBUNIT: Tetramer of two alpha and two beta subunits. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC       Phe-tRNA synthetase alpha subunit type 1 subfamily. {ECO:0000305}.
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DR   EMBL; AJ391257; CAB72013.1; -; Genomic_DNA.
DR   EMBL; AL157959; CAM08160.1; -; Genomic_DNA.
DR   PIR; F81939; F81939.
DR   RefSeq; WP_002246072.1; NC_003116.1.
DR   AlphaFoldDB; Q9JR76; -.
DR   SMR; Q9JR76; -.
DR   EnsemblBacteria; CAM08160; CAM08160; NMA0933.
DR   KEGG; nma:NMA0933; -.
DR   HOGENOM; CLU_025086_0_1_4; -.
DR   OMA; DWHNFTA; -.
DR   BioCyc; NMEN122587:NMA_RS04680-MON; -.
DR   Proteomes; UP000000626; 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.
FT   CHAIN           1..330
FT                   /note="Phenylalanine--tRNA ligase alpha subunit"
FT                   /id="PRO_0000126734"
FT   BINDING         254
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_note="shared with beta subunit"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   330 AA;  37305 MW;  54D748469F95E42B CRC64;
     MENVNRIVAE GIAAVEAAQD FNALEQIKAR YLGKTGELTG LLKTLGQMSP EERKTIGAHI
     NECKNRFQTA FNAKRDALNE AKLQARLAAE ALDITLPGRA QEGGSLHPVT LTLQRVVELF
     HGMGFEVADG PEIEDDFHNF QALNIPANHP ARAMQDTFYV ENGDVLRTHT SPIQIRYMLD
     KKEPPVRIIA PGRVYRVDSD ATHSPMFHQA EGLWVEEGVT FADLKAVFTD FIRRFFERDD
     LQVRFRPSFF PFTEPSAEID IMGENGKWLE VGGCGMVHPN VLKNVNIDPE KYTGFAFGIG
     LDRFAMLRYN VNDLRLFFDN DLNFLKQFVK