AC MF_01080; DC Protein; auto TR HAMAP; MF_01080; -; 1; level=0 XX Names: TruB_bact XX ID TRUB DE RecName: Full=tRNA pseudouridine synthase B; DE EC=5.4.99.25; DE AltName: Full=tRNA pseudouridine(55) synthase; DE Short=Psi55 synthase; DE AltName: Full=tRNA pseudouridylate synthase; DE AltName: Full=tRNA-uridine isomerase; GN Name=truB; XX CC -!- FUNCTION: Responsible for synthesis of pseudouridine from uracil-55 in CC the psi GC loop of transfer RNAs. CC -!- CATALYTIC ACTIVITY: CC Reaction=uridine(55) in tRNA = pseudouridine(55) in tRNA; CC Xref=Rhea:RHEA:42532, Rhea:RHEA-COMP:10101, Rhea:RHEA-COMP:10102, CC ChEBI:CHEBI:65314, ChEBI:CHEBI:65315; EC=5.4.99.25; CC -!- SIMILARITY: Belongs to the pseudouridine synthase TruB family. Type 1 CC subfamily. XX DR Pfam; PF01509; TruB_N; 1; trigger=no DR Pfam; PF01472; PUA; 1; trigger=no DR NCBIfam; TIGR00431; TruB; 1; trigger=no DR PROSITE; PS50890; PUA; 0-1; trigger=yes XX KW Isomerase KW tRNA processing XX GO GO:0009982; F:pseudouridine synthase activity GO GO:0031119; P:tRNA pseudouridine synthesis XX FT From: TRUB_ECOLI (P60340) FT ACT_SITE 48 FT /note="Nucleophile" FT Condition: D case FT BINDING 43 FT /ligand="substrate" FT Condition: H FT BINDING 76 FT /ligand="substrate" FT Condition: Y FT BINDING 179 FT /ligand="substrate" FT Condition: Y FT BINDING 200 FT /ligand="substrate" FT Condition: L end case XX Size: 218-387; Related: MF_01081; Template: P60340; P9WHP7; Q9WZW0; Scope: Bacteria Fusion: Nter: None Cter: None Duplicate: None Plasmid: None Comments: None XX # Revision 1.27 2023/06/01 //