1H8X

Domain-swapped Dimer of a Human Pancreatic Ribonuclease Variant


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.243 
  • R-Value Work: 0.196 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

The Structure of an Engineered Domain-Swapped Ribonuclease Dimer and its Implications for the Evolution of Proteins Toward Oligomerization

Canals, A.Pous, J.Guasch, A.Benito, A.Ribo, M.Vilanova, M.Coll, M.

(2001) Structure 9: 967


  • PubMed Abstract: 
  • Domain swapping has been proposed as a mechanism that explains the evolution from monomeric to oligomeric proteins. Bovine and human pancreatic ribonucleases are monomers with no biological properties other than their RNA cleavage ability. In contras ...

    Domain swapping has been proposed as a mechanism that explains the evolution from monomeric to oligomeric proteins. Bovine and human pancreatic ribonucleases are monomers with no biological properties other than their RNA cleavage ability. In contrast, the closely related bovine seminal ribonuclease is a natural domain-swapped dimer that has special biological properties, such as cytotoxicity to tumour cells. Several recombinant ribonuclease variants are domain-swapped dimers, but a structure of this kind has not yet been reported for the human enzyme.


    Organizational Affiliation

    Laboratori d'Enginyeria de Proteïnes, Facultat de Ciències, Universitat de Girona, Campus de Montilivi, Girona E-17071, Spain.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
RIBONUCLEASE 1
A, B
128Homo sapiensGene Names: RNASE1 (RIB1, RNS1)
EC: 3.1.27.5
Find proteins for P07998 (Homo sapiens)
Go to Gene View: RNASE1
Go to UniProtKB:  P07998
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.243 
  • R-Value Work: 0.196 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 50.610α = 90.00
b = 61.430β = 90.00
c = 75.140γ = 90.00
Software Package:
Software NamePurpose
CNSrefinement
MOSFLMdata reduction
AMoREphasing
SCALAdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2002-02-14
    Type: Initial release
  • Version 1.1: 2011-05-07
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance