ID   SYFB_ENCCU              Reviewed;         557 AA.
AC   Q8SS40;
DT   03-NOV-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2002, sequence version 1.
DT   03-AUG-2022, entry version 110.
DE   RecName: Full=Probable phenylalanine--tRNA ligase beta subunit;
DE            EC=6.1.1.20;
DE   AltName: Full=Phenylalanyl-tRNA synthetase beta subunit;
DE            Short=PheRS;
GN   OrderedLocusNames=ECU04_0900;
OS   Encephalitozoon cuniculi (strain GB-M1) (Microsporidian parasite).
OC   Eukaryota; Fungi; Fungi incertae sedis; Microsporidia; Unikaryonidae;
OC   Encephalitozoon.
OX   NCBI_TaxID=284813;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=GB-M1;
RX   PubMed=11719806; DOI=10.1038/35106579;
RA   Katinka M.D., Duprat S., Cornillot E., Metenier G., Thomarat F.,
RA   Prensier G., Barbe V., Peyretaillade E., Brottier P., Wincker P.,
RA   Delbac F., El Alaoui H., Peyret P., Saurin W., Gouy M., Weissenbach J.,
RA   Vivares C.P.;
RT   "Genome sequence and gene compaction of the eukaryote parasite
RT   Encephalitozoon cuniculi.";
RL   Nature 414:450-453(2001).
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;
CC         Evidence={ECO:0000250|UniProtKB:A5K464};
CC   -!- SUBUNIT: Tetramer of two alpha and two beta subunits. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the phenylalanyl-tRNA synthetase beta subunit
CC       family. Type 2 subfamily. {ECO:0000305}.
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DR   EMBL; AL590444; CAD25277.1; -; Genomic_DNA.
DR   RefSeq; NP_584773.1; NM_001041123.1.
DR   AlphaFoldDB; Q8SS40; -.
DR   SMR; Q8SS40; -.
DR   STRING; 284813.Q8SS40; -.
DR   GeneID; 858921; -.
DR   KEGG; ecu:ECU04_0900; -.
DR   VEuPathDB; MicrosporidiaDB:ECU04_0900; -.
DR   HOGENOM; CLU_020279_2_0_1; -.
DR   InParanoid; Q8SS40; -.
DR   OMA; FPGRCAN; -.
DR   OrthoDB; 378921at2759; -.
DR   Proteomes; UP000000819; Chromosome IV.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:InterPro.
DR   GO; GO:0004826; F:phenylalanine-tRNA ligase activity; IEA:UniProtKB-EC.
DR   GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR   GO; GO:0006432; P:phenylalanyl-tRNA aminoacylation; IEA:InterPro.
DR   CDD; cd00769; PheRS_beta_core; 1.
DR   Gene3D; 3.30.930.10; -; 1.
DR   Gene3D; 3.50.40.10; -; 1.
DR   InterPro; IPR045864; aa-tRNA-synth_II/BPL/LPL.
DR   InterPro; IPR005146; B3/B4_tRNA-bd.
DR   InterPro; IPR009061; DNA-bd_dom_put_sf.
DR   InterPro; IPR045060; Phe-tRNA-ligase_IIc_bsu.
DR   InterPro; IPR004531; Phe-tRNA-synth_IIc_bsu_arc_euk.
DR   InterPro; IPR020825; Phe-tRNA_synthase-like_B3/B4.
DR   InterPro; IPR041616; PheRS_beta_core.
DR   InterPro; IPR040659; PhetRS_B1.
DR   InterPro; IPR005147; tRNA_synthase_B5-dom.
DR   PANTHER; PTHR10947; PTHR10947; 1.
DR   Pfam; PF03483; B3_4; 1.
DR   Pfam; PF03484; B5; 1.
DR   Pfam; PF18262; PhetRS_B1; 1.
DR   Pfam; PF17759; tRNA_synthFbeta; 1.
DR   SMART; SM00873; B3_4; 1.
DR   SMART; SM00874; B5; 1.
DR   SUPFAM; SSF46955; SSF46955; 2.
DR   SUPFAM; SSF55681; SSF55681; 1.
DR   TIGRFAMs; TIGR00471; pheT_arch; 1.
DR   PROSITE; PS51483; B5; 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..557
FT                   /note="Probable phenylalanine--tRNA ligase beta subunit"
FT                   /id="PRO_0000388410"
FT   DOMAIN          276..352
FT                   /note="B5"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00816"
FT   BINDING         330
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_note="shared with alpha subunit"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00816"
FT   BINDING         336
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_note="shared with alpha subunit"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00816"
FT   BINDING         339
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_note="shared with alpha subunit"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00816"
FT   BINDING         340
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_note="shared with alpha subunit"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00816"
SQ   SEQUENCE   557 AA;  62618 MW;  445E33A342AB8AE8 CRC64;
     MPTLVAEKKR IQDLLGMDLG DRRFEKILFD FGLELDDVVE EEGKTMYRIE IPANRYDLLC
     AEGLCYALRA FLSMETYEDI DVEEGEVVVY KTGGEERPCI ACAVIKGVDL LSEGAYKSFI
     DYQDKLHLTI GRNRALVSMG THDLDKIKGP VFYKSETPER IGFKPLNAER EVNGKELGSR
     FPPGSKIGRY MRLIEKNEKY PLFEDSMGTI MSLPPIINSD ATKISPGTKN VFVEMTGTDF
     HRVNTALKLL LGCFRGRKIE SVEIRNGNER TRTPVMHNRS YVMGLGEINR SLGLDLSLSA
     AKSYMERMMH SVDTIDESTL RVRVHDIRSD VLHKCDLIED IAIAHGFNNF RRELPSFFTA
     GSEIPLNKFS DKLRTELSIM GFDEALTLTL LSREENVIDG DQAVVLMNPK SASYEVCRTS
     LIPGLMKTVA SNLHMKIPFR LFEVSDVVLL DKENECGASN SRRLAAMYCG HTPCLEEVQG
     SLSLLLKKCG VRHSYSTHND SARYLKNQSA LVIVEDAAIG SIGVCNPEIC KTFRVPYAAS
     FFEIDVEKLL SIYMART