ID I1XIS6_METNJ Unreviewed; 345 AA.
AC I1XIS6;
DT 11-JUL-2012, integrated into UniProtKB/TrEMBL.
DT 11-JUL-2012, sequence version 1.
DT 27-MAR-2024, entry version 63.
DE RecName: Full=Phenylalanine--tRNA ligase alpha subunit {ECO:0000256|HAMAP-Rule:MF_00281};
DE EC=6.1.1.20 {ECO:0000256|HAMAP-Rule:MF_00281};
DE AltName: Full=Phenylalanyl-tRNA synthetase alpha subunit {ECO:0000256|HAMAP-Rule:MF_00281};
DE Short=PheRS {ECO:0000256|HAMAP-Rule:MF_00281};
GN Name=pheS {ECO:0000256|HAMAP-Rule:MF_00281};
GN OrderedLocusNames=Q7A_1467 {ECO:0000313|EMBL:AFI84295.1};
OS Methylophaga nitratireducenticrescens.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC Piscirickettsiaceae; Methylophaga.
OX NCBI_TaxID=754476 {ECO:0000313|EMBL:AFI84295.1, ECO:0000313|Proteomes:UP000009144};
RN [1] {ECO:0000313|EMBL:AFI84295.1, ECO:0000313|Proteomes:UP000009144}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JAM1 {ECO:0000313|EMBL:AFI84295.1,
RC ECO:0000313|Proteomes:UP000009144};
RX PubMed=22815445; DOI=10.1128/JB.00726-12;
RA Villeneuve C., Martineau C., Mauffrey F., Villemur R.;
RT "Complete genome sequences of Methylophaga sp. strain JAM1 and Methylophaga
RT sp. strain JAM7.";
RL J. Bacteriol. 194:4126-4127(2012).
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:0000256|ARBA:ARBA00000395, ECO:0000256|HAMAP-
CC Rule:MF_00281};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00281};
CC Note=Binds 2 magnesium ions per tetramer. {ECO:0000256|HAMAP-
CC Rule:MF_00281};
CC -!- SUBUNIT: Tetramer of two alpha and two beta subunits.
CC {ECO:0000256|ARBA:ARBA00011209, ECO:0000256|HAMAP-Rule:MF_00281}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|HAMAP-Rule:MF_00281}.
CC -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC Phe-tRNA synthetase alpha subunit type 1 subfamily.
CC {ECO:0000256|ARBA:ARBA00010207, ECO:0000256|HAMAP-Rule:MF_00281}.
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DR EMBL; CP003390; AFI84295.1; -; Genomic_DNA.
DR RefSeq; WP_014706668.1; NC_017857.3.
DR AlphaFoldDB; I1XIS6; -.
DR STRING; 754476.Q7A_1467; -.
DR KEGG; mej:Q7A_1467; -.
DR PATRIC; fig|754476.3.peg.1449; -.
DR eggNOG; COG0016; Bacteria.
DR HOGENOM; CLU_025086_0_1_6; -.
DR OrthoDB; 9800719at2; -.
DR Proteomes; UP000009144; 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 {ECO:0000256|ARBA:ARBA00023146,
KW ECO:0000256|HAMAP-Rule:MF_00281};
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_00281};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00281};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_00281};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_00281};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00281};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00281};
KW Protein biosynthesis {ECO:0000256|ARBA:ARBA00022917, ECO:0000256|HAMAP-
KW Rule:MF_00281}.
FT DOMAIN 112..343
FT /note="Aminoacyl-transfer RNA synthetases class-II family
FT profile"
FT /evidence="ECO:0000259|PROSITE:PS50862"
FT BINDING 259
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_note="shared with beta subunit"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00281"
SQ SEQUENCE 345 AA; 38627 MW; 1C1473C74CFD9FA4 CRC64;
MAELSSQLLA LKDIVEAAKT AIQNATDAKT LDNVRVEYLG KKGLITGYVK ELGNLSAEER
PLIGKEVNLA KQEVAGLTEV RSKLLAEQAM NAALAAETVD VSLPGRNAEV GGLHPVTRTL
QRIEQYFRQI GFQIAEGPEI EDGDHNFTAL NIPEGHPART MHDTFYFNAE MLLRTHTSPV
QIRVMENEQP PLRIIAPGRV YRCDSDLTHT PMFHQVEGLM VDENISFTDL KGILADFLQA
FFEKPLNVRF RPSYFPFTEP SAEADIECVI CGGEGCRVCS HTGWLEVLGC GMVHPKVFEH
VNIDSEKYLG LAFGMGVERL AMLRYGVNDL RLFFENDLRF LRQFK
//
