SYFA_AERPE
ID SYFA_AERPE Reviewed; 488 AA.
AC Q9Y9I6;
DT 08-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT 08-DEC-2000, sequence version 2.
DT 03-AUG-2022, entry version 123.
DE RecName: Full=Phenylalanine--tRNA ligase alpha subunit {ECO:0000255|HAMAP-Rule:MF_00282};
DE EC=6.1.1.20 {ECO:0000255|HAMAP-Rule:MF_00282};
DE AltName: Full=Phenylalanyl-tRNA synthetase alpha subunit {ECO:0000255|HAMAP-Rule:MF_00282};
DE Short=PheRS {ECO:0000255|HAMAP-Rule:MF_00282};
GN Name=pheS {ECO:0000255|HAMAP-Rule:MF_00282}; OrderedLocusNames=APE_2302.1;
OS Aeropyrum pernix (strain ATCC 700893 / DSM 11879 / JCM 9820 / NBRC 100138 /
OS K1).
OC Archaea; Crenarchaeota; Thermoprotei; Desulfurococcales;
OC Desulfurococcaceae; Aeropyrum.
OX NCBI_TaxID=272557;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700893 / DSM 11879 / JCM 9820 / NBRC 100138 / K1;
RX PubMed=10382966; DOI=10.1093/dnares/6.2.83;
RA Kawarabayasi Y., Hino Y., Horikawa H., Yamazaki S., Haikawa Y., Jin-no K.,
RA Takahashi M., Sekine M., Baba S., Ankai A., Kosugi H., Hosoyama A.,
RA Fukui S., Nagai Y., Nishijima K., Nakazawa H., Takamiya M., Masuda S.,
RA Funahashi T., Tanaka T., Kudoh Y., Yamazaki J., Kushida N., Oguchi A.,
RA Aoki K., Kubota K., Nakamura Y., Nomura N., Sako Y., Kikuchi H.;
RT "Complete genome sequence of an aerobic hyper-thermophilic crenarchaeon,
RT Aeropyrum pernix K1.";
RL DNA Res. 6:83-101(1999).
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_00282};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00282};
CC Note=Binds 2 magnesium ions per tetramer. {ECO:0000255|HAMAP-
CC Rule:MF_00282};
CC -!- SUBUNIT: Tetramer of two alpha and two beta subunits.
CC {ECO:0000255|HAMAP-Rule:MF_00282}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00282}.
CC -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC Phe-tRNA synthetase alpha subunit type 2 subfamily. {ECO:0000255|HAMAP-
CC Rule:MF_00282}.
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DR EMBL; BA000002; BAA81314.2; -; Genomic_DNA.
DR PIR; B72457; B72457.
DR AlphaFoldDB; Q9Y9I6; -.
DR SMR; Q9Y9I6; -.
DR STRING; 272557.APE_2302.1; -.
DR EnsemblBacteria; BAA81314; BAA81314; APE_2302.1.
DR KEGG; ape:APE_2302.1; -.
DR PATRIC; fig|272557.25.peg.1535; -.
DR eggNOG; arCOG00410; Archaea.
DR OMA; QIEGWVM; -.
DR BRENDA; 6.1.1.20; 171.
DR Proteomes; UP000002518; 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:InterPro.
DR GO; GO:0006432; P:phenylalanyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR Gene3D; 1.10.10.10; -; 1.
DR Gene3D; 3.30.930.10; -; 1.
DR HAMAP; MF_00282; Phe_tRNA_synth_alpha2; 1.
DR InterPro; IPR006195; aa-tRNA-synth_II.
DR InterPro; IPR045864; aa-tRNA-synth_II/BPL/LPL.
DR InterPro; IPR004529; Phe-tRNA-synth_IIc_asu.
DR InterPro; IPR022917; Phe_tRNA_ligase_alpha_bac/arc.
DR InterPro; IPR002319; Phenylalanyl-tRNA_Synthase.
DR InterPro; IPR036388; WH-like_DNA-bd_sf.
DR InterPro; IPR036390; WH_DNA-bd_sf.
DR Pfam; PF01409; tRNA-synt_2d; 1.
DR SUPFAM; SSF46785; SSF46785; 1.
DR SUPFAM; SSF55681; SSF55681; 1.
DR TIGRFAMs; TIGR00468; pheS; 1.
DR PROSITE; PS50862; AA_TRNA_LIGASE_II; 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.
FT CHAIN 1..488
FT /note="Phenylalanine--tRNA ligase alpha subunit"
FT /id="PRO_0000126806"
FT BINDING 332
FT /ligand="L-phenylalanine"
FT /ligand_id="ChEBI:CHEBI:58095"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00282"
FT BINDING 371..373
FT /ligand="L-phenylalanine"
FT /ligand_id="ChEBI:CHEBI:58095"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00282"
FT BINDING 410
FT /ligand="L-phenylalanine"
FT /ligand_id="ChEBI:CHEBI:58095"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00282"
FT BINDING 412
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_note="shared with beta subunit"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00282"
FT BINDING 435
FT /ligand="L-phenylalanine"
FT /ligand_id="ChEBI:CHEBI:58095"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00282"
SQ SEQUENCE 488 AA; 55084 MW; D2E284563C89457B CRC64;
MEVTLSQGEY RLLKLMAERG FREGTLEEAS KILGVDKSSL ASLSNLLAEK GVVEVEERVE
EHYVLTERGR DALERGLPEE KLVLFLAGRG GEASVEEVRR ALGEEAGIAL GQAARKGLVV
IAGGVVRLAV DQAEALKTIT PLKKLLENVA SGSKPTVGDE LLREALSRGL IRREARRSIV
LRLKVNPAEA LARARVEAAV LTRDMLKSGE WRRLRFKPYN VKAEPPRVLP ARRHFLAEFI
ERLRDILREL GFREVRGPLV ELELFNFDVL FQAQDHPARE IHDSLWIKSP RRGDLSGYSD
LVERVASVHE RGWKYRWSPE VASRYILRSQ TTAVSARILA TRPNPPARFF TVGKVFRSDA
VGPTRLPEFH QLDGIEGDEG YTFRDLLGRL DEIASMLGLK LKFKPAYFPF TEPSVEGYVK
LPNGRWLELF GAGMFRPEVL EAVGVDYPVG AWGFGIERLA MAFYGVSDIR KLYTRNVDEV
REMRVRWL
