SYFB_MESFL
ID SYFB_MESFL Reviewed; 793 AA.
AC Q6F166;
DT 18-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT 16-AUG-2004, sequence version 1.
DT 03-AUG-2022, entry version 98.
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=Mfl398;
OS Mesoplasma florum (strain ATCC 33453 / NBRC 100688 / NCTC 11704 / L1)
OS (Acholeplasma florum).
OC Bacteria; Tenericutes; Mollicutes; Entomoplasmatales; Entomoplasmataceae;
OC Mesoplasma.
OX NCBI_TaxID=265311;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33453 / NBRC 100688 / NCTC 11704 / L1;
RA Birren B.W., Stange-Thomann N., Hafez N., DeCaprio D., Fisher S.,
RA Butler J., Elkins T., Kodira C.D., Major J., Wang S., Nicol R., Nusbaum C.;
RL Submitted (JUN-2004) to the EMBL/GenBank/DDBJ databases.
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; AE017263; AAT75757.1; -; Genomic_DNA.
DR RefSeq; WP_011183297.1; NC_006055.1.
DR RefSeq; YP_053641.1; NC_006055.1.
DR AlphaFoldDB; Q6F166; -.
DR SMR; Q6F166; -.
DR STRING; 265311.Mfl398; -.
DR EnsemblBacteria; AAT75757; AAT75757; Mfl398.
DR GeneID; 2898102; -.
DR KEGG; mfl:Mfl398; -.
DR PATRIC; fig|265311.5.peg.398; -.
DR eggNOG; COG0072; Bacteria.
DR eggNOG; COG0073; Bacteria.
DR HOGENOM; CLU_016891_2_0_14; -.
DR OMA; ISYNWLK; -.
DR Proteomes; UP000006647; 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; 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..793
FT /note="Phenylalanine--tRNA ligase beta subunit"
FT /id="PRO_0000232804"
FT DOMAIN 40..159
FT /note="tRNA-binding"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT DOMAIN 401..476
FT /note="B5"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT DOMAIN 701..793
FT /note="FDX-ACB"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00283"
FT BINDING 454
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 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 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"
FT BINDING 464
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 793 AA; 90755 MW; 77629685E85652D3 CRC64;
MIITRKWLEK YLDLSNITNE QISVCLNSLG FEVEQEIDYS KLNTKLVIGH IEESDPIEGT
KLKKTKTRIG ENKYATILST SRNIEEDKFA IVALPGAKLA NGLELENREI LGILSEGMFC
GFNEIGLPNS VLTEDEQQDV YYIDSIYKNM DEMVGREISE VLNFDDYTFE VDLTLNRSDA
LAAKQLVKEI ANYFDLKINN NEHKVKFEKP TESITIDLNK KVEDEVNTVS HTFIGLKNTN
TPFDSSHDVW LKHSNVKSAQ NKFENIANMA TLISGQPFIL IDADKVNGEL TLTKQTIDEK
ELIVLKSGNS IVNILGLKTE DKFKVTEETV TMLVVMLNLD QISMRKQQRN LNVSTVDTQR
YAKPLNPNLY DQGIDELVSI LDEYKMLEDV QKVVTTVQKQ NYDNVYSITL EKVQDILGIE
ITVEEIISLF RTLDIEISVK KSELTFTVDK NRTDLYGKND LCEEIARLYG YDNIIEQPLE
YVSFKKTKNL DKKLKDKLSD YLVGAGFNNI KTYSLTDIES NKTWNLFKVK DPVVLMSPLS
IQRETFRNNL SKSMIDTIIF NANNGNKSVK FFEMADIFAL NGFRQSNLCF GVSGEAITDS
LSQVHIKSNY AYISSILMSV LDLYKVDVTN VTFEVNDKAI DEIHPYINAT VKYKNKKIGF
IYKLNPAFEQ ANKIYPTFIC EVNLNLLLEI ADKVHVTSEI SKFQKSTRDI SFELSNDVNF
DTIVKAMLKD LNYLTNYKVI DKYSDEQMDK ENISSLTVKL SFNSLDHQLT EKEINDDFEK
ILNNLKELKV KVR
