ID B3Y0K0_ECO11 Unreviewed; 327 AA.
AC B3Y0K0;
DT 23-SEP-2008, integrated into UniProtKB/TrEMBL.
DT 23-SEP-2008, sequence version 1.
DT 13-SEP-2023, entry version 72.
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 ECO:0000313|EMBL:BAG66474.1};
OS Escherichia coli O111:H-.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=168927 {ECO:0000313|EMBL:BAG66474.1};
RN [1] {ECO:0000313|EMBL:BAG66474.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=B171-8 {ECO:0000313|EMBL:BAG66474.1};
RX PubMed=18757547; DOI=10.1128/JB.00625-08;
RA Ogura Y., Abe H., Katsura K., Kurokawa K., Asadulghani M., Iguchi A.,
RA Ooka T., Nakayama K., Yamashita A., Hattori M., Tobe T., Hayashi T.;
RT "Systematic identification and sequence analysis of the genomic islands of
RT the enteropathogenic Escherichia coli strain B171-8 by the combined use of
RT whole-genome PCR scanning and fosmid mapping.";
RL J. Bacteriol. 190:6948-6960(2008).
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}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; AB426053; BAG66474.1; -; Genomic_DNA.
DR AlphaFoldDB; B3Y0K0; -.
DR SMR; B3Y0K0; -.
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 116..305
FT /note="Aminoacyl-transfer RNA synthetases class-II family
FT profile"
FT /evidence="ECO:0000259|PROSITE:PS50862"
FT BINDING 252
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 327 AA; 36832 MW; 601082304FD27110 CRC64;
MSHLAELVAS AKAAISQASD VAALDNVRVE YLGKKGHLTL QMTTLRELPP EERPAAGAVI
NEAKEQVQQA LNARKAELES AALNARLAAE TIDVSLPGRR IENGGLHPVT RTIDRIESFF
GELGFTVATG PEIEDDYHNF DALNIPGHHP ARADHDTFWF DTTRLLRTQT SGVQIRTMKA
QQPPIRIIAP GRVYRNDYDQ THTPMFHQME GLIVDTNISF TNLKGTLHDF LRNFFEEDLQ
IRFRPSYFPF TEPSAEVDVM GKNGKWLEVL GCGMVHPNVL RNVGIDPEVY SGFAFGMGME
RLTMLRYGVT DLRSFFENDL RFLKQFK
//
