Modomics - A Database of RNA Modifications

ID Card:

Full name: 23S rRNA (uracil(747)-C(5))-methyltransferase
Synonym: PYRAB11450
GI: 50401700
Orf: PAB0760
COG: COG2265
UniProt: Q9UZK1
Alpha Fold Predicted Structure: AF-Q9UZK1-F1
Enzyme type: methyltransferase
Position of modification - modification: l:887(747) - m5U



Protein sequence:

MRGIIKGVSNDGLGVLGEVLVPFAYPGDVVEVISTRERFGRTIARDFKLVKSSPIRVPGKCRYFGRCGGCLWQGLKYREQLKLKEEIFKRVTGVEAEIKGSPRIWFFRNISNFIVTVNGIGFKEFGMPRTVVSVDECPVFSERTKLYIRAMKRFLRETGLNPWNWKNGDVHYLQVREGKFTGEVMINVIAHIPPSGREELTEAFGFADSVYWSLKRDKRDDPKGIPTLIKGNEFIRESIEGLVYLIHPSTFFQTNSYALPILLKAVESFAEGSKVLDLYSGVGTFSLYLAKKGFEVTGVEVNEESVRVAKKSAEVNSLDVSFIPGRAEDAKLKGYETLIVDPPRKGLKDFSKRIAKEGPENLIYVSCNPSKFVLDYRNYLSKAYKIEDAVLIDMFPHTPHVEAVVKLRRR

Comments:

The gene coding for this enzyme appears in Thermococcales (Archaea) by lateral gene transfer of a bacterial gene coding for a RlmD (RumA-like). Once in Archaea, it duplicates into two paralogs (PAB0719 (TrmU54) and PAB0760). PAB0760 behaves like a bacterial RlmC (E. coli RumB) catalyzing in vitro the site-specific formation of m5U at position 747 (E. coli numbering) in helix 35 of domain II of P. abyssi 23S rRNA. A transcript of rRNA fragment encompassing helix 33-35 was used as substrate in an in vitro test system.




Reaction Substrate SubstrateType Position (Anti)Codon Modified (Anti)Codon Amino Acid Change Transcript Name Transcript Region Cellular Localization References
U:m5U RNA rRNA 859 LSU-23S Prokaryotic Cytosol 21051506   

Alpha Fold Predicted Structure:






Clear Selection and Reset Camera

Protein sequence:

M R G I I K G V S N D G L G V L G E V L V P F A Y P G D V V E V I S T R E R F G R T I A R D F K L V K S S P I R V P G K C R Y F G R C G G C L W Q G L K Y R E Q L K L K E E I F K R V T G V E A E I K G S P R I W F F R N I S N F I V T V N G I G F K E F G M P R T V V S V D E C P V F S E R T K L Y I R A M K R F L R E T G L N P W N W K N G D V H Y L Q V R E G K F T G E V M I N V I A H I P P S G R E E L T E A F G F A D S V Y W S L K R D K R D D P K G I P T L I K G N E F I R E S I E G L V Y L I H P S T F F Q T N S Y A L P I L L K A V E S F A E G S K V L D L Y S G V G T F S L Y L A K K G F E V T G V E V N E E S V R V A K K S A E V N S L D V S F I P G R A E D A K L K G Y E T L I V D P P R K G L K D F S K R I A K E G P E N L I Y V S C N P S K F V L D Y R N Y L S K A Y K I E D A V L I D M F P H T P H V E A V V K L R R R

Secondary Structure Alphabet

  • G: 3-turn helix (310helix)
  • H: α-helix
  • I: 𝝅-helix (5 - turn helix)
  • T: Hydrogen Bonded Turn
  • B: β-sheet
  • S: Bend
  • C: Coil (residues not present in any of the above conformations)
  • N: Not assigned

Download PDB Structures & DSSP Secondary Structures:

Alpha Fold Pdb Files   AF-Q9UZK1-F1.pdb  
Alpha Fold Pdbx/mmCIF Files   AF-Q9UZK1-F1.cif  
DSSP Secondary Structures   Q9UZK1.dssp  





Publications:

Title Authors Journal Details PubMed Id DOI
Specificity shifts in the rRNA and tRNA nucleotide targets of archaeal and bacterial m5U methyltransferases. Auxilien S, Rasmussen A, Rose S, Brochier-Armanet C, Husson C, Fourmy D, Grosjean H, Douthwaite S RNA [details] 21051506 -

Links:

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