ID D3EQH7_ATETH Unreviewed; 281 AA.
AC D3EQH7;
DT 23-MAR-2010, integrated into UniProtKB/TrEMBL.
DT 23-MAR-2010, sequence version 1.
DT 27-MAR-2024, entry version 79.
DE RecName: Full=tRNA pseudouridine synthase A {ECO:0000256|HAMAP-Rule:MF_00171};
DE EC=5.4.99.12 {ECO:0000256|HAMAP-Rule:MF_00171};
DE AltName: Full=tRNA pseudouridine(38-40) synthase {ECO:0000256|HAMAP-Rule:MF_00171};
DE AltName: Full=tRNA pseudouridylate synthase I {ECO:0000256|HAMAP-Rule:MF_00171};
DE AltName: Full=tRNA-uridine isomerase I {ECO:0000256|HAMAP-Rule:MF_00171};
GN Name=truA {ECO:0000256|HAMAP-Rule:MF_00171};
GN OrderedLocusNames=UCYN_10520 {ECO:0000313|EMBL:ADB95727.1};
OS Atelocyanobacterium thalassa (isolate ALOHA).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC Chroococcales; Aphanothecaceae; Atelocyanobacterium;
OC Candidatus Atelocyanobacterium thalassa.
OX NCBI_TaxID=1453429 {ECO:0000313|Proteomes:UP000001405};
RN [1] {ECO:0000313|EMBL:ADB95727.1, ECO:0000313|Proteomes:UP000001405}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ALOHA {ECO:0000313|Proteomes:UP000001405};
RX PubMed=20173737; DOI=10.1038/nature08786;
RA Tripp H.J., Bench S.R., Turk K.A., Foster R.A., Desany B.A., Niazi F.,
RA Affourtit J.P., Zehr J.P.;
RT "Metabolic streamlining in an open-ocean nitrogen-fixing cyanobacterium.";
RL Nature 464:90-94(2010).
CC -!- FUNCTION: Formation of pseudouridine at positions 38, 39 and 40 in the
CC anticodon stem and loop of transfer RNAs. {ECO:0000256|HAMAP-
CC Rule:MF_00171}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=uridine(38/39/40) in tRNA = pseudouridine(38/39/40) in tRNA;
CC Xref=Rhea:RHEA:22376, Rhea:RHEA-COMP:10085, Rhea:RHEA-COMP:10087,
CC ChEBI:CHEBI:65314, ChEBI:CHEBI:65315; EC=5.4.99.12;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00171,
CC ECO:0000256|RuleBase:RU003792};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00171}.
CC -!- SIMILARITY: Belongs to the tRNA pseudouridine synthase TruA family.
CC {ECO:0000256|ARBA:ARBA00009375, ECO:0000256|HAMAP-Rule:MF_00171,
CC ECO:0000256|RuleBase:RU003792}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_00171}.
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DR EMBL; CP001842; ADB95727.1; -; Genomic_DNA.
DR RefSeq; WP_012954414.1; NC_013771.1.
DR AlphaFoldDB; D3EQH7; -.
DR STRING; 1453429.UCYN_10520; -.
DR KEGG; cyu:UCYN_10520; -.
DR PATRIC; fig|713887.8.peg.984; -.
DR HOGENOM; CLU_014673_0_1_3; -.
DR OrthoDB; 9811823at2; -.
DR Proteomes; UP000001405; Chromosome.
DR GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR GO; GO:0106029; F:tRNA pseudouridine synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0031119; P:tRNA pseudouridine synthesis; IEA:UniProtKB-UniRule.
DR CDD; cd02570; PseudoU_synth_EcTruA; 1.
DR Gene3D; 3.30.70.660; Pseudouridine synthase I, catalytic domain, C-terminal subdomain; 1.
DR Gene3D; 3.30.70.580; Pseudouridine synthase I, catalytic domain, N-terminal subdomain; 1.
DR HAMAP; MF_00171; TruA; 1.
DR InterPro; IPR020103; PsdUridine_synth_cat_dom_sf.
DR InterPro; IPR001406; PsdUridine_synth_TruA.
DR InterPro; IPR020097; PsdUridine_synth_TruA_a/b_dom.
DR InterPro; IPR020095; PsdUridine_synth_TruA_C.
DR InterPro; IPR020094; TruA/RsuA/RluB/E/F_N.
DR NCBIfam; TIGR00071; hisT_truA; 1.
DR PANTHER; PTHR11142; PSEUDOURIDYLATE SYNTHASE; 1.
DR PANTHER; PTHR11142:SF0; TRNA PSEUDOURIDINE SYNTHASE-LIKE 1; 1.
DR Pfam; PF01416; PseudoU_synth_1; 2.
DR PIRSF; PIRSF001430; tRNA_psdUrid_synth; 1.
DR SUPFAM; SSF55120; Pseudouridine synthase; 1.
PE 3: Inferred from homology;
KW Isomerase {ECO:0000256|ARBA:ARBA00023235, ECO:0000256|HAMAP-Rule:MF_00171};
KW Reference proteome {ECO:0000313|Proteomes:UP000001405};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_00171}.
FT DOMAIN 17..114
FT /note="Pseudouridine synthase I TruA alpha/beta"
FT /evidence="ECO:0000259|Pfam:PF01416"
FT DOMAIN 154..256
FT /note="Pseudouridine synthase I TruA alpha/beta"
FT /evidence="ECO:0000259|Pfam:PF01416"
FT ACT_SITE 62
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00171,
FT ECO:0000256|PIRSR:PIRSR001430-1"
FT BINDING 120
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00171,
FT ECO:0000256|PIRSR:PIRSR001430-2"
SQ SEQUENCE 281 AA; 32594 MW; F883FDA71595E6C1 CRC64;
MSTSHKQSQS KKRIALIIQY SGNRFHGWQR QPYRRTVQAD IENTITKSLG YKVSIHGAGR
TDAGVHATGQ VAHFDYAGPI PPKSLARVLN RYLPEDILIR NSKEVSINWH ARFSAQWRRY
RYTLYTNNDC NLLIKSYSWH YYRYPLKVKS MLDALKSLLG THHLTAFRKK GSQRNHSWVE
IQDVECYRKG AFIHIEIQAN GFLYGMVRLL MGMLVEVGID KLSLANFNQI WRDQKREYVR
HSAPANGLCL LGVGYPDFPF SSNTYLDTQP LFETNQIIHK D
//
