Atomic resolution structure of RNase A (data collection 6)

Experimental Data Snapshot

  • Resolution: 1.02 Å
  • R-Value Free: 0.178 
  • R-Value Work: 0.140 
  • R-Value Observed: 0.146 

Starting Model: experimental
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Raman-markers of X-ray radiation damage of proteins.

Vergara, A.Caterino, M.Merlino, A.

(2018) Int J Biol Macromol 111: 1194-1205

  • DOI: https://doi.org/10.1016/j.ijbiomac.2018.01.135
  • Primary Citation of Related Structures:  
    6ETK, 6ETL, 6ETM, 6ETN, 6ETP, 6ETQ, 6ETR

  • PubMed Abstract: 

    Despite their high relevance, the mechanisms of X-ray radiation damage on protein structure yet have to be completely established. Here, we used Raman microspectrophotometry to follow X-ray-induced chemical modifications on the structure of the model protein bovine pancreatic ribonuclease (RNase A). The combination of dose-dependent Raman spectra and ultrahigh resolution (eight structures solved using data collected between 0.85 and 1.17 Å resolution on the same single crystal) allowed direct observation of several radiation damage events, including covalent bond breakages and formation of radicals. Our results are relevant for analytical photodamage detection and provide implications for a detailed understanding of the mechanisms of photoproduct formation.

  • Organizational Affiliation

    Department of Chemical Sciences, University of Naples "Federico II", Via Cinthia, Naples I-80126, Italy; CEINGE Biotecnologie Avanzate Scarl, Via G. Salvatore, Napoli, Italy.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Ribonuclease pancreatic124Bos taurusMutation(s): 0 
Find proteins for P61823 (Bos taurus)
Explore P61823 
Go to UniProtKB:  P61823
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP61823
Sequence Annotations
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Resolution: 1.02 Å
  • R-Value Free: 0.178 
  • R-Value Work: 0.140 
  • R-Value Observed: 0.146 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 29.125α = 90
b = 37.971β = 105.83
c = 52.541γ = 90
Software Package:
Software NamePurpose
HKL-2000data reduction
SCALEPACKdata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2018-02-21
    Type: Initial release
  • Version 1.1: 2024-01-17
    Changes: Data collection, Database references, Refinement description