ID   SYFB_HELHP              Reviewed;         801 AA.
AC   Q7VK65;
DT   18-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   03-AUG-2022, entry version 108.
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=HH_0027;
OS   Helicobacter hepaticus (strain ATCC 51449 / 3B1).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=235279;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51449 / 3B1;
RX   PubMed=12810954; DOI=10.1073/pnas.1332093100;
RA   Suerbaum S., Josenhans C., Sterzenbach T., Drescher B., Brandt P., Bell M.,
RA   Droege M., Fartmann B., Fischer H.-P., Ge Z., Hoerster A., Holland R.,
RA   Klein K., Koenig J., Macko L., Mendz G.L., Nyakatura G., Schauer D.B.,
RA   Shen Z., Weber J., Frosch M., Fox J.G.;
RT   "The complete genome sequence of the carcinogenic bacterium Helicobacter
RT   hepaticus.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:7901-7906(2003).
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; AE017125; AAP76624.1; -; Genomic_DNA.
DR   RefSeq; WP_011114870.1; NC_004917.1.
DR   AlphaFoldDB; Q7VK65; -.
DR   SMR; Q7VK65; -.
DR   STRING; 235279.HH_0027; -.
DR   EnsemblBacteria; AAP76624; AAP76624; HH_0027.
DR   KEGG; hhe:HH_0027; -.
DR   eggNOG; COG0072; Bacteria.
DR   eggNOG; COG0073; Bacteria.
DR   HOGENOM; CLU_016891_2_1_7; -.
DR   OMA; ISYNWLK; -.
DR   OrthoDB; 53568at2; -.
DR   Proteomes; UP000002495; 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   HAMAP; MF_00283; Phe_tRNA_synth_beta1; 1.
DR   InterPro; IPR045864; aa-tRNA-synth_II/BPL/LPL.
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; 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; PF03484; B5; 1.
DR   Pfam; PF03147; FDX-ACB; 1.
DR   Pfam; PF01588; tRNA_bind; 1.
DR   Pfam; PF17759; tRNA_synthFbeta; 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;
KW   Reference proteome; RNA-binding; tRNA-binding.
FT   CHAIN           1..801
FT                   /note="Phenylalanine--tRNA ligase beta subunit"
FT                   /id="PRO_0000232802"
FT   DOMAIN          39..154
FT                   /note="tRNA-binding"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT   DOMAIN          398..475
FT                   /note="B5"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT   DOMAIN          708..800
FT                   /note="FDX-ACB"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT   BINDING         453
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         459
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         462
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         463
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   801 AA;  90071 MW;  2D52EF5F93BFC651 CRC64;
     MIFSKHLLSH FVDISHLDIE QMCMRLSSMG LEVESAYPLK MPQKVVVGKI LSLTPHPDAD
     KLNVCKVSIG SQELQIVCGA NNVKANQYVA VALEGAVIPH TKSGEIVIKQ TNLRGIESCG
     MLCSSVELGL PKINDGIMVL DSTAGHLELG VELGNLPLFN DYVIEVGITP NRGDCLSVLG
     IARELATSYD LRLKHEVDMD NVVTLGLGRV LQILCDEKIE AHLLYRVVEV KQAYLPLDIA
     LCLARNGSLV DDIMCNFLEY GTYMTGVILN AYKLYDCENK DIVLDNGLVA QLRIKKDENG
     LGAVFAHQKL SIIGVSYGER HFGTRSEIYI IEASYVNPTL IAKSLYKHAI KGDVQLTYRS
     TRGSNPNLEQ GIDFLCRKMV LVSDALVYSG SHNIVQNIDE ITIKTTFKAI NQIIGIELDK
     EEIATILKRL NFKLDATCDE NFFMVTVPNY RHDIQSIQDV AEEVLRIYGI DNVSSVPLLC
     SQSHNINNTY FTYKNTRKLA YGLIAYGFVE CIHYVFASSQ NLERLGFVRL DEDLELLNPI
     TNELDTLRTS LLPAMLDSVK RNENLGFKNI TLFEIGSVYS SKREEKSKLA LVASGCMQDE
     CYPHTKAVKW NLFAFGTICQ RCVGDLSFRN IRDEANAKEL LSHFCFTDER LLHPYQSAFV
     YQKDKPIGII AKLHPQVATN MDLSEEIFIC EIEIGMSDFS LPQAYEFSKY QKSTRDLTIL
     IDKDIPFYRV RQILLEDQIA YVKNIYPIDV YYDKALGEKM ALSIRIVLQS DEGTLQEMQL
     VQAVESVLSV LVREFDAVLR T