SYFB_AQUAE
ID SYFB_AQUAE Reviewed; 775 AA.
AC O67620;
DT 08-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT 01-AUG-1998, sequence version 1.
DT 03-AUG-2022, entry version 134.
DE RecName: Full=Phenylalanine--tRNA ligase beta subunit;
DE EC=6.1.1.20;
DE AltName: Full=Phenylalanyl-tRNA synthetase beta subunit;
DE Short=PheRS;
GN Name=pheT; OrderedLocusNames=aq_1730;
OS Aquifex aeolicus (strain VF5).
OC Bacteria; Aquificae; Aquificales; Aquificaceae; Aquifex.
OX NCBI_TaxID=224324;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=VF5;
RX PubMed=9537320; DOI=10.1038/32831;
RA Deckert G., Warren P.V., Gaasterland T., Young W.G., Lenox A.L.,
RA Graham D.E., Overbeek R., Snead M.A., Keller M., Aujay M., Huber R.,
RA Feldman R.A., Short J.M., Olsen G.J., Swanson R.V.;
RT "The complete genome of the hyperthermophilic bacterium Aquifex aeolicus.";
RL Nature 392:353-358(1998).
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; Evidence={ECO:0000250};
CC Note=Binds 2 magnesium ions per tetramer. {ECO:0000250};
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 1 subfamily. {ECO:0000305}.
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DR EMBL; AE000657; AAC07582.1; -; Genomic_DNA.
DR PIR; B70449; B70449.
DR RefSeq; NP_214186.1; NC_000918.1.
DR RefSeq; WP_010881123.1; NC_000918.1.
DR AlphaFoldDB; O67620; -.
DR SMR; O67620; -.
DR STRING; 224324.aq_1730; -.
DR PRIDE; O67620; -.
DR EnsemblBacteria; AAC07582; AAC07582; aq_1730.
DR KEGG; aae:aq_1730; -.
DR PATRIC; fig|224324.8.peg.1332; -.
DR eggNOG; COG0072; Bacteria.
DR eggNOG; COG0073; Bacteria.
DR HOGENOM; CLU_016891_0_0_0; -.
DR InParanoid; O67620; -.
DR OMA; ISYNWLK; -.
DR OrthoDB; 53568at2; -.
DR Proteomes; UP000000798; Chromosome.
DR GO; GO:0009328; C:phenylalanine-tRNA ligase complex; IBA:GO_Central.
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; IBA:GO_Central.
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..775
FT /note="Phenylalanine--tRNA ligase beta subunit"
FT /id="PRO_0000126834"
FT DOMAIN 39..147
FT /note="tRNA-binding"
FT DOMAIN 394..470
FT /note="B5"
FT DOMAIN 681..774
FT /note="FDX-ACB"
FT BINDING 448
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_note="shared with alpha subunit"
FT /evidence="ECO:0000250"
FT BINDING 454
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_note="shared with alpha subunit"
FT /evidence="ECO:0000250"
FT BINDING 457
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_note="shared with alpha subunit"
FT /evidence="ECO:0000250"
FT BINDING 458
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_note="shared with alpha subunit"
FT /evidence="ECO:0000250"
SQ SEQUENCE 775 AA; 88485 MW; 61BB15FDE5B274C8 CRC64;
MKVPYSWLSE FVELSDVSPE EIAEKLSLRS VEATVETFGI DLDGVVFGKV VEVKEHPTKK
KLAVVKVQVQ EHIFIDVVTV DKSVREGDGV IVALPNAKVG NMCVTEREFD GVVSKGLLLS
AQELGLEEKS EGVLKIHEDF KPGTDANEIL GFGEKIIEID ITPNRGDMLS VRGVARDLSA
IFRLPKKKPE EPTYEETGEF FIEIEDEDCK RYRGVVIEGV EIKESPLYIK KRLWQCGIKS
INNVVDITNY VMLRDGQPLH AFDLSKVEGG IIVRSAKKGE KIITLDGEER ELDEDILVIA
DREKPLAVAG VIGGLESGIK ENTKDILLES AYFNPFRVRK ASKKLGIQTE SSYRFERNVD
IERVDRAQDY AVYLILKHAG GKVKVVKDVY REKYKPKKVF LPQGKYIRYA GESYKNEEVK
EILDALEIPN EIMRCGVEVL VPSHRSFDIQ RDVDLIEEIM RVKGYEHYTS ETLKLPSIAN
LWKDNLLEVK KYLRDKGLTE VINFSFEDSK LYELLNLPLP ELEVINPLNP TQRYMRNTLI
TSLLRTAVYN DRNYNYDQAV FELGKVFFKE GEENRLGILL KGNKPRTLKE EKWEPYDLTE
IIAGIFALFG LEPEFRNAKR NFLHPYVQGE VYLEGEFVGF FGKLHPKIAK ELELKGEPFV
AEIEIERVLS KKRLPHYREV AKFPPVVRDI ALVMDKELDV NKLLIDTKSQ IGELLEEVRV
FDVYTGEKVG EGKKSVAVRL VLRSKTGSLK DEEANELVNK LVNYLKEKYG VELRT