SYFB_LACLA
ID SYFB_LACLA Reviewed; 797 AA.
AC Q9CEB5;
DT 30-APR-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2001, sequence version 1.
DT 03-AUG-2022, entry version 115.
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=LL1928;
GN ORFNames=L0355;
OS Lactococcus lactis subsp. lactis (strain IL1403) (Streptococcus lactis).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC Lactococcus.
OX NCBI_TaxID=272623;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=IL1403;
RX PubMed=11337471; DOI=10.1101/gr.gr-1697r;
RA Bolotin A., Wincker P., Mauger S., Jaillon O., Malarme K., Weissenbach J.,
RA Ehrlich S.D., Sorokin A.;
RT "The complete genome sequence of the lactic acid bacterium Lactococcus
RT lactis ssp. lactis IL1403.";
RL Genome Res. 11:731-753(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 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; AE005176; AAK06026.1; -; Genomic_DNA.
DR PIR; H86865; H86865.
DR RefSeq; NP_268085.1; NC_002662.1.
DR RefSeq; WP_010906202.1; NC_002662.1.
DR AlphaFoldDB; Q9CEB5; -.
DR SMR; Q9CEB5; -.
DR STRING; 272623.L0355; -.
DR PaxDb; Q9CEB5; -.
DR EnsemblBacteria; AAK06026; AAK06026; L0355.
DR KEGG; lla:L0355; -.
DR PATRIC; fig|272623.7.peg.2072; -.
DR eggNOG; COG0072; Bacteria.
DR eggNOG; COG0073; Bacteria.
DR HOGENOM; CLU_016891_0_0_9; -.
DR OMA; ISYNWLK; -.
DR Proteomes; UP000002196; 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;
KW Reference proteome; RNA-binding; tRNA-binding.
FT CHAIN 1..797
FT /note="Phenylalanine--tRNA ligase beta subunit"
FT /id="PRO_0000126898"
FT DOMAIN 40..154
FT /note="tRNA-binding"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT DOMAIN 407..482
FT /note="B5"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT DOMAIN 704..797
FT /note="FDX-ACB"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT BINDING 460
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 466
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 469
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 470
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 797 AA; 87197 MW; CA52EFFB60752695 CRC64;
MQVSYKWLKE LVPNLRATSA ELEQKMSTSG IEVEGVTSPM EGLSKLVVGE ILSSEDIPDT
HLHITQVNVG AEESLQIVCG APNVRVGMKV IVALVGARIA DNYKIKKGKI RGVESLGMLC
ALDEIGIDEK INPMKHEDGI FEMPADAKVG DSIFSYLDMD DEIIELSITP NRADALSMHG
AAWEVGAIYG LPVQLEKKDL VEASESAASK IAVKVETDKV PTYKIRLIEG VKIAKSPQWL
QNRLMNAGVK PINNVVDVTN YVLMAFGQPL HSFDFSKFGS DEILVRQAKA GEKMTTLDHV
ERELDDSDIV VTANGLPVAL GGVMGGADSE ITDETTSVAL EAALFDGTSI RKTSQKFALR
SEASSRFEKG INEGTVREAL DFAAAMIVEL AGGKVLSGVV ESNDYQPILP KVSITLSRVN
SALGTDLSLE TVEKIFVQLG FGVEVEGEKF TCEIPSRRWD IHIEADLVEE VARIYGYDNL
PSTLPSSQNA GELTQMQKFR RTVRTGLESS GLNEVIGYSL VTPEKATEFV GQLETTTLMM
PMTEDRQTLR ANMIPGLLDI VNYNQNRKNA DVAIYEIGNI FLPNPDDIRP IEVPNLAFAI
SGNVVDKSYN GQAVPVDFYY AKGIVENLLE AYKEVEFIPS NNQAAMHPGR TAVIKINGRV
AGFVGQIHPA TAKKYDIAET YVAGLDMQVM LEELPAQTIF TDIPKVQAVH RDIALLIDAE
VTHAQIVSVI KSSRIKTLSQ VELFDIYQGK NLPAGKKSMA YSLTFQPVEN TMTDEEITAA
VNKITKNLVE KLDIEIR
