7M0C

Post-catalytic nicked complex of DNA Polymerase Lambda with bound mismatched DSB substrate

• PDB DOI: https://doi.org/10.2210/pdb7M0C/pdb
• NAKB: 7M0C

• Classification: TRANSFERASE
• Organism(s): Homo sapiens, synthetic construct
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2021-03-10 Released: 2022-03-16 
• Deposition Author(s): Kaminski, A.M., Bebenek, K., Pedersen, L.C., Kunkel, T.A.
• Funding Organization(s): National Institutes of Health/National Institute of Environmental Health Sciences (NIH/NIEHS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.65 Å
• R-Value Free: 0.229 
• R-Value Work: 0.180 
• R-Value Observed: 0.183 

Literature

Comprehensive structural survey of DNA double-strand break synapsis by DNA Polymerase Lambda

Kaminski, A.M., Bebenek, K., Kunkel, T.A., Pedersen, L.C.

Not Published 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 45.69 kDa 
• Atom Count: 3,121 
• Modelled Residue Count: 354 
• Deposited Residue Count: 368 
• Unique protein chains: 1
• Unique nucleic acid chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
DNA polymerase lambda	A	346	Homo sapiens	Mutation(s): 0  Gene Names: POLL EC: 2.7.7.7 (PDB Primary Data), 4.2.99 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UGP5 (Homo sapiens) Explore Q9UGP5  Go to UniProtKB:  Q9UGP5
PHAROS:  Q9UGP5 GTEx:  ENSG00000166169

Entity ID: 2
Molecule	Chains	Length	Organism	Image
DNA (5'-D(*CP*GP*GP*CP*AP*G)-3')	B [auth T]	6	synthetic construct

Entity ID: 3
Molecule	Chains	Length	Organism	Image
DNA (5'-D(*TP*AP*CP*TP*G)-3')	C [auth U]	5	synthetic construct

Entity ID: 4
Molecule	Chains	Length	Organism	Image
DNA (5'-D(*CP*AP*GP*TP*GP*CP*T)-3')	D [auth P]	7	synthetic construct

Entity ID: 5
Molecule	Chains	Length	Organism	Image
DNA (5'-D(P*GP*CP*CP*G)-3')	E [auth D]	4	synthetic construct

Small Molecules

Ligands 6 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PPV	L [auth A]	PYROPHOSPHATE H4 O7 P2 XPPKVPWEQAFLFU-UHFFFAOYSA-N
SO4	M [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
EDO	N [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL	J [auth A], K [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
MG	F [auth A], G [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N
NA	H [auth A], I [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.65 Å
• R-Value Free: 0.229 
• R-Value Work: 0.180 
• R-Value Observed: 0.183 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.205	α = 90
b = 60.023	β = 90
c = 139.824	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-03-16 
Deposition Author(s): Kaminski, A.M., Bebenek, K., Pedersen, L.C., Kunkel, T.A.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of Environmental Health Sciences (NIH/NIEHS)	United States	1ZIA ES102645
National Institutes of Health/National Institute of Environmental Health Sciences (NIH/NIEHS)	United States	Z01 ES065070

Revision History  

• Version 1.0: 2022-03-16
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Database references, Refinement description