ID   SYFB_BACFR              Reviewed;         820 AA.
AC   Q64T65;
DT   24-MAY-2005, integrated into UniProtKB/Swiss-Prot.
DT   25-OCT-2004, sequence version 1.
DT   03-AUG-2022, entry version 96.
DE   RecName: Full=Phenylalanine--tRNA ligase beta subunit {ECO:0000255|HAMAP-Rule:MF_00283};
DE            EC=6.1.1.20 {ECO:0000255|HAMAP-Rule:MF_00283};
DE   AltName: Full=Phenylalanyl-tRNA synthetase beta subunit {ECO:0000255|HAMAP-Rule:MF_00283};
DE            Short=PheRS {ECO:0000255|HAMAP-Rule:MF_00283};
GN   Name=pheT {ECO:0000255|HAMAP-Rule:MF_00283}; OrderedLocusNames=BF2565;
OS   Bacteroides fragilis (strain YCH46).
OC   Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae;
OC   Bacteroides.
OX   NCBI_TaxID=295405;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=YCH46;
RX   PubMed=15466707; DOI=10.1073/pnas.0404172101;
RA   Kuwahara T., Yamashita A., Hirakawa H., Nakayama H., Toh H., Okada N.,
RA   Kuhara S., Hattori M., Hayashi T., Ohnishi Y.;
RT   "Genomic analysis of Bacteroides fragilis reveals extensive DNA inversions
RT   regulating cell surface adaptation.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:14919-14924(2004).
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:0000255|HAMAP-Rule:MF_00283};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00283};
CC       Note=Binds 2 magnesium ions per tetramer. {ECO:0000255|HAMAP-
CC       Rule:MF_00283};
CC   -!- SUBUNIT: Tetramer of two alpha and two beta subunits.
CC       {ECO:0000255|HAMAP-Rule:MF_00283}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00283}.
CC   -!- SIMILARITY: Belongs to the phenylalanyl-tRNA synthetase beta subunit
CC       family. Type 1 subfamily. {ECO:0000255|HAMAP-Rule:MF_00283}.
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DR   EMBL; AP006841; BAD49314.1; -; Genomic_DNA.
DR   RefSeq; WP_011202920.1; NC_006347.1.
DR   RefSeq; YP_099848.1; NC_006347.1.
DR   AlphaFoldDB; Q64T65; -.
DR   SMR; Q64T65; -.
DR   STRING; 295405.BF2565; -.
DR   EnsemblBacteria; BAD49314; BAD49314; BF2565.
DR   KEGG; bfr:BF2565; -.
DR   PATRIC; fig|295405.11.peg.2474; -.
DR   HOGENOM; CLU_016891_0_0_10; -.
DR   OMA; ISYNWLK; -.
DR   Proteomes; UP000002197; 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:UniProtKB-KW.
DR   GO; GO:0006432; P:phenylalanyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR   CDD; cd00769; PheRS_beta_core; 1.
DR   CDD; cd02796; tRNA_bind_bactPheRS; 1.
DR   Gene3D; 2.40.50.140; -; 1.
DR   Gene3D; 3.30.70.380; -; 1.
DR   Gene3D; 3.30.930.10; -; 1.
DR   Gene3D; 3.50.40.10; -; 1.
DR   HAMAP; MF_00283; Phe_tRNA_synth_beta1; 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; IPR005121; Fdx_antiC-bd.
DR   InterPro; IPR036690; Fdx_antiC-bd_sf.
DR   InterPro; IPR012340; NA-bd_OB-fold.
DR   InterPro; IPR045060; Phe-tRNA-ligase_IIc_bsu.
DR   InterPro; IPR004532; Phe-tRNA-ligase_IIc_bsu_bact.
DR   InterPro; IPR020825; Phe-tRNA_synthase-like_B3/B4.
DR   InterPro; IPR041616; PheRS_beta_core.
DR   InterPro; IPR002547; tRNA-bd_dom.
DR   InterPro; IPR033714; tRNA_bind_bactPheRS.
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; PF03147; FDX-ACB; 1.
DR   Pfam; PF01588; tRNA_bind; 1.
DR   Pfam; PF17759; tRNA_synthFbeta; 1.
DR   SMART; SM00873; B3_4; 1.
DR   SMART; SM00874; B5; 1.
DR   SMART; SM00896; FDX-ACB; 1.
DR   SUPFAM; SSF46955; SSF46955; 1.
DR   SUPFAM; SSF50249; SSF50249; 1.
DR   SUPFAM; SSF54991; SSF54991; 1.
DR   SUPFAM; SSF55681; SSF55681; 1.
DR   TIGRFAMs; TIGR00472; pheT_bact; 1.
DR   PROSITE; PS51483; B5; 1.
DR   PROSITE; PS51447; FDX_ACB; 1.
DR   PROSITE; PS50886; TRBD; 1.
PE   3: Inferred from homology;
KW   Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase; Magnesium;
KW   Metal-binding; Nucleotide-binding; Protein biosynthesis; RNA-binding;
KW   tRNA-binding.
FT   CHAIN           1..820
FT                   /note="Phenylalanine--tRNA ligase beta subunit"
FT                   /id="PRO_0000126840"
FT   DOMAIN          42..154
FT                   /note="tRNA-binding"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT   DOMAIN          413..489
FT                   /note="B5"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT   DOMAIN          727..820
FT                   /note="FDX-ACB"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT   BINDING         467
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_note="shared with alpha subunit"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT   BINDING         473
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_note="shared with alpha subunit"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT   BINDING         476
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_note="shared with alpha subunit"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT   BINDING         477
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_note="shared with alpha subunit"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
SQ   SEQUENCE   820 AA;  90680 MW;  446A809C82DF016A CRC64;
     MNISYNWLKE YVNFDLTPDE VAAALTSIGL ETGGVEEVQT IKGGLEGLVI GEVLTCVEHP
     NSDHLHITTV NLGNGEPTQI VCGAPNVAAG QKVVVATLGT KLYDGDECFT IKKSKIRGVE
     SIGMICAEDE IGIGTSHDGI IVLPEDAVPG TLAKDYYNVK SDYVLEVDIT PNRADACSHY
     GVARDLYAYL VQNGKQAALT RPSVDAFAVE NHDLDIKVTV ENSEACPRYA GVTVKGVTVK
     ESPEWLQNKL RIIGLRPINN VVDITNYIVH AFGQPLHCFD ANKIKGGEVI VKTMPEGTTF
     VTLDGVERKL NERDLMICNK EDAMCIAGVF GGLDSGSTEA TTDVFLESAY FHPTWVRKTA
     RRHGLNTDAS FRFERGIDPN ITIYCLKLAA MMVKELAGGT ISSEIKDVCA APAQDFIVEL
     TYEKVHSLIG KVIPAETIKS IVTSLEMKIM DETAEGLTLA VPPYRVDVQR DCDVIEDILR
     IYGYNNVEIP STLKSSLTTK GDCDKSNKLQ NLVAEQLVGC GFNEILNNSL TRAAYYDGLE
     SYPSKNLVML LNPLSADLNC MRQTLLFGGL ESIAHNANRK NADLKFFEFG NCYHFDAEKK
     NPEKVLAPYS EDYHLGLWVT GKMVSNSWAH ADENTSVYEL KAYVENIFKR LGLDLHSLVV
     GNLSDDIYST ALTVNTKGGK RLATFGVVTK KMLKAFDVDN EVYYADLNWK ELMKAIRSVK
     VSYKEISKFP AVKRDLALLL DKKVQFAEIE KIAYETEKKL LKEVSLFDVY EGKNLEAGKK
     SYAVSFLLQD ESQTLNDKMI DKIMSKLVKN LEDKLGAKLR