3GQC

Structure of human Rev1-DNA-dNTP ternary complex

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Free: 0.267 
  • R-Value Work: 0.214 
  • R-Value Observed: 0.219 

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Literature

Structure of the human Rev1-DNA-dNTP ternary complex.

Swan, M.K., Johnson, R.E., Prakash, L., Prakash, S., Aggarwal, A.K.

(2009) J Mol Biol 390: 699-709

  • DOI: 10.1016/j.jmb.2009.05.026
  • Primary Citation of Related Structures:  
    3GQC

  • PubMed Abstract: 

    • Y-family DNA polymerases have proven to be remarkably diverse in their functions and in strategies for replicating through DNA lesions. The structure of yeast Rev1 ternary complex has revealed the most radical replication strategy, where the polymerase itself dictates the identity of the incoming nucleotide, as well as the identity of the templating base ...

    Y-family DNA polymerases have proven to be remarkably diverse in their functions and in strategies for replicating through DNA lesions. The structure of yeast Rev1 ternary complex has revealed the most radical replication strategy, where the polymerase itself dictates the identity of the incoming nucleotide, as well as the identity of the templating base. We show here that many of the key elements of this highly unusual strategy are conserved between yeast and human Rev1, including the eviction of template G from the DNA helix and the pairing of incoming deoxycytidine 5'-triphosphate with a surrogate arginine residue. We also show that the catalytic core of human Rev1 is uniquely augmented by two large inserts, I1 and I2, wherein I1 extends >20 A away from the active site and may serve as a platform for protein-protein interactions specific for Rev1's role in translesion DNA synthesis in human cells, and I2 acts as a "flap" on the hydrophobic pocket accommodating template G. We suggest that these novel structural features are important for providing human Rev1 greater latitude in promoting efficient and error-free translesion DNA synthesis through the diverse array of bulky and potentially carcinogenic N(2)-deoxyguanosine DNA adducts in human cells.

    Organizational Affiliation: 

    Department of Structural and Chemical Biology, Mount Sinai School of Medicine, New York, NY 10029, USA.



Macromolecules

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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
DNA repair protein REV1A, B, C, D504Homo sapiensMutation(s): 0 
Gene Names: REV1, REV1L
EC: 2.7.7
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UBZ9 (Homo sapiens)
Explore Q9UBZ9 
Go to UniProtKB:  Q9UBZ9
PHAROS:  Q9UBZ9
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ9UBZ9
Protein Feature View
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  • Reference Sequence

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Entity ID: 2
MoleculeChainsLengthOrganismImage
5'-D(*AP*TP*CP*CP*TP*CP*CP*CP*CP*TP*AP*(DOC))-3'E, G, I, K 12N/A
Protein Feature View
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  • Reference Sequence

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Entity ID: 3
MoleculeChainsLengthOrganismImage
5'-D(*TP*AP*AP*GP*GP*TP*AP*GP*GP*GP*GP*AP*GP*GP*AP*T)-3'F, H, J, L 16N/A
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
DCP
Query on DCP
Download Ideal Coordinates CCD File 
M [auth A],
R [auth B],
U [auth C],
Y [auth D]		2'-DEOXYCYTIDINE-5'-TRIPHOSPHATE
C9 H16 N3 O13 P3
RGWHQCVHVJXOKC-SHYZEUOFSA-N		 Ligand Interaction
MG
Query on MG
Download Ideal Coordinates CCD File 
AA [auth D],
BA [auth D],
CA [auth D],
N [auth A],
O [auth A],
AA [auth D],
BA [auth D],
CA [auth D],
N [auth A],
O [auth A],
P [auth A],
Q [auth A],
S [auth B],
T [auth B],
V [auth C],
W [auth C],
X [auth C],
Z [auth D]
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N		 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Free: 0.267 
  • R-Value Work: 0.214 
  • R-Value Observed: 0.219 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 56.436α = 90
b = 172.78β = 90.65
c = 129.192γ = 90
Software Package:
Software NamePurpose
ADSCdata collection
PHASERphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2009-05-19
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Advisory, Refinement description, Version format compliance