ID A0A1I2CI05_9BACT Unreviewed; 339 AA.
AC A0A1I2CI05;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 24-JAN-2024, entry version 28.
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 ORFNames=SAMN05444380_11629 {ECO:0000313|EMBL:SFE67977.1};
OS Thermophagus xiamenensis.
OC Bacteria; Bacteroidota; Bacteroidia; Marinilabiliales; Marinilabiliaceae;
OC Thermophagus.
OX NCBI_TaxID=385682 {ECO:0000313|EMBL:SFE67977.1, ECO:0000313|Proteomes:UP000181976};
RN [1] {ECO:0000313|EMBL:SFE67977.1, ECO:0000313|Proteomes:UP000181976}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 19012 {ECO:0000313|EMBL:SFE67977.1,
RC ECO:0000313|Proteomes:UP000181976};
RA de Groot N.N.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
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; FONA01000016; SFE67977.1; -; Genomic_DNA.
DR RefSeq; WP_010527610.1; NZ_FONA01000016.1.
DR AlphaFoldDB; A0A1I2CI05; -.
DR STRING; 385682.SAMN05444380_11629; -.
DR eggNOG; COG0016; Bacteria.
DR InParanoid; A0A1I2CI05; -.
DR OrthoDB; 9800719at2; -.
DR Proteomes; UP000181976; Unassembled WGS sequence.
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}; Reference proteome {ECO:0000313|Proteomes:UP000181976}.
FT DOMAIN 107..326
FT /note="Aminoacyl-transfer RNA synthetases class-II family
FT profile"
FT /evidence="ECO:0000259|PROSITE:PS50862"
FT BINDING 250
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 339 AA; 38640 MW; FA41C906BC52B455 CRC64;
MLDKINDLLK EIKELSAASA EEAEQLRIKY LSKKGIIPQL FNEFKTVPNE QKKVIGQAIN
QLKSLALEKI NNLKEQFEQS QPVSDVTDLT LPGTVVPLGS RHPLSIIRQQ ITNIFGRIGF
SVAEGPEIED DWHVFEALNF PPEHPARDMQ DTFFITQNPD ILLRTHTSSV QIRTMEQQKP
PIRAIFPGRV FRNEAISARA HCIFHQVEGL YIDKDVSFAD LRQTLLYFAK EMFGQDTRIR
LRPSYFPFTE PSAEMDISCT LCGGKGCNIC KHTGWVEILG CGMVDPAVLS NCKIDPHEYT
GFAFGMGIER IAMLKYQIND IRLFFENDIR FIKQFKAES
//