Crystal structure of the ternary complex of yeast tyrosyl-tRNA synthetase

Experimental Data Snapshot

  • Resolution: 2.40 Å
  • R-Value Free: 0.289 
  • R-Value Work: 0.245 
  • R-Value Observed: 0.247 

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Structural basis for recognition of cognate tRNA by tyrosyl-tRNA synthetase from three kingdoms.

Tsunoda, M.Kusakabe, Y.Tanaka, N.Ohno, S.Nakamura, M.Senda, T.Moriguchi, T.Asai, N.Sekine, M.Yokogawa, T.Nishikawa, K.Nakamura, K.T.

(2007) Nucleic Acids Res 35: 4289-4300

  • DOI: https://doi.org/10.1093/nar/gkm417
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    The specific aminoacylation of tRNA by tyrosyl-tRNA synthetases (TyrRSs) relies on the identity determinants in the cognate tRNA(Tyr)s. We have determined the crystal structure of Saccharomyces cerevisiae TyrRS (SceTyrRS) complexed with a Tyr-AMP analog and the native tRNA(Tyr)(GPsiA). Structural information for TyrRS-tRNA(Tyr) complexes is now full-line for three kingdoms. Because the archaeal/eukaryotic TyrRSs-tRNA(Tyr)s pairs do not cross-react with their bacterial counterparts, the recognition modes of the identity determinants by the archaeal/eukaryotic TyrRSs were expected to be similar to each other but different from that by the bacterial TyrRSs. Interestingly, however, the tRNA(Tyr) recognition modes of SceTyrRS have both similarities and differences compared with those in the archaeal TyrRS: the recognition of the C1-G72 base pair by SceTyrRS is similar to that by the archaeal TyrRS, whereas the recognition of the A73 by SceTyrRS is different from that by the archaeal TyrRS but similar to that by the bacterial TyrRS. Thus, the lack of cross-reactivity between archaeal/eukaryotic and bacterial TyrRS-tRNA(Tyr) pairs most probably lies in the different sequence of the last base pair of the acceptor stem (C1-G72 vs G1-C72) of tRNA(Tyr). On the other hand, the recognition mode of Tyr-AMP is conserved among the TyrRSs from the three kingdoms.

  • Organizational Affiliation

    School of Pharmaceutical Sciences, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan.


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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Tyrosyl-tRNA synthetase, cytoplasmicB [auth X]394Saccharomyces cerevisiaeMutation(s): 0 
Find proteins for P36421 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P36421 
Go to UniProtKB:  P36421
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP36421
Sequence Annotations
  • Reference Sequence
Find similar nucleic acids by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains LengthOrganismImage
T-RNA (76-MER)A [auth Y]76N/A
Sequence Annotations
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
Query on YMP

Download Ideal Coordinates CCD File 
C19 H24 N7 O8 P
Query on MG

Download Ideal Coordinates CCD File 
Experimental Data & Validation

Experimental Data

  • Resolution: 2.40 Å
  • R-Value Free: 0.289 
  • R-Value Work: 0.245 
  • R-Value Observed: 0.247 
  • Space Group: P 41 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 63.854α = 90
b = 63.854β = 90
c = 330.334γ = 90
Software Package:
Software NamePurpose
ADSCdata collection
MOSFLMdata reduction

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2007-06-12
    Type: Initial release
  • Version 1.1: 2008-04-01
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Non-polymer description, Version format compliance
  • Version 1.3: 2017-07-12
    Changes: Database references
  • Version 1.4: 2024-03-13
    Changes: Data collection, Database references, Derived calculations, Structure summary