9BH8

Human DNA polymerase theta helicase domain dimer bound to DNA in the microhomology searching conformation


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.60 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Starting Models: experimental
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wwPDB Validation   3D Report Full Report


This is version 1.0 of the entry. See complete history


Literature

Human polymerase theta helicase positions DNA microhomologies for double-strand break repair

Zerio, C.J.Bai, Y.Sosa-Alvarado, B.A.Guzi, T.Lander, G.C.

To be published.

Macromolecules

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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
DNA polymerase theta
A, B
893Homo sapiensMutation(s): 0 
Gene Names: POLQPOLH
EC: 3.6.4.12 (PDB Primary Data), 2.7.7.7 (PDB Primary Data), 2.7.7.49 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for O75417 (Homo sapiens)
Explore O75417 
Go to UniProtKB:  O75417
PHAROS:  O75417
GTEx:  ENSG00000051341 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupO75417
Sequence Annotations
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  • Reference Sequence
Find similar nucleic acids by:  (by identity cutoff)  |  3D Structure
Entity ID: 2
MoleculeChains LengthOrganismImage
Stem-loop DNA with microhomology in the 3' overhangC [auth X],
D [auth Y]
56synthetic construct
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.60 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
RECONSTRUCTIONcryoSPARC4.3
MODEL REFINEMENTPHENIX1.20.1

Structure Validation

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Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Cancer Institute (NIH/NCI)United StatesF32CA288144
National Institutes of Health/National Center for Research Resources (NIH/NCRR)United StatesS10OD032467

Revision History  (Full details and data files)

  • Version 1.0: 2024-05-01
    Type: Initial release