Experiment: 4DL7

Human DNA polymerase eta fails to extend primer 2 nucleotide after cisplatin crosslink (Pt-GG4).

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3MR2	PDB ENTRY 3MR2

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6	293	MES, MgCl2, PEG 2K-MME, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99	α = 90
b = 99	β = 90
c = 81.89	γ = 120

Symmetry
Space Group	P 61

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	95	CCD	MARMOSAIC 225 mm CCD	DOUBLE SI(220) CRYSTAL AND MIRROR VERTICAL FOCUSING	2010-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM		APS	22-BM

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.97	30	97.8	0.158	0.09	11.98	3.7		31415			17.67

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.97	2.03	82.3		0.65	0.45	2.12	1.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 3MR2	1.97	30	1.35	32078	31395	2412	97.9	0.194	0.192	0.191	0.214	0.2114	20.99

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
1.0972			1.0972		-2.0483

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	18.887
f_angle_d	0.815
f_chiral_restr	0.05
f_plane_restr	0.007
f_bond_d	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3338
Nucleic Acid Atoms	390
Solvent Atoms	327
Heterogen Atoms	20

Software

Software
Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XSCALE	data scaling
PHENIX	phasing