5F0Q

Crystal structure of C-terminal domain of the human DNA primase large subunit with bound DNA template/RNA primer

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4RR2

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	295	0.18 M lithium sulfate, 50 mM sodium citrate, 2 mM TCEP, 0.1 M sodium malonate, 0.1 M Hepes-NaOH (pH 7.0), 19.7% PEG 8,000 and 0.02 M magnesium chloride

Crystal Properties
Matthews coefficient	Solvent content
2.94	58.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 122.507	α = 90
b = 126.002	β = 90
c = 83.942	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	PSI PILATUS 6M		2015-08-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.987	APS	24-ID-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	2.2	50	95.4	0.062	0.068	0.027	9.6	5.3		31361			31.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.24	58.3		0.379	0.449	0.235	0.745	1.55	2.7	937

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	4RR2	2.21	49.48	30821	1532	93.3	0.223	0.258	RANDOM	63.8

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]
8.81			7.28		-16.09

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	19.9
c_scangle_it	6.55
c_scbond_it	4.93
c_mcangle_it	4.78
c_mcbond_it	3.19
c_improper_angle_d	1.8
c_angle_deg	1.4
c_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3035
Nucleic Acid Atoms	721
Solvent Atoms	65
Heterogen Atoms	18

Software

Software
Software Name	Purpose
HKL-3000	data collection
HKL-3000	data scaling
CNS	refinement
PDB_EXTRACT	data extraction
HKL-3000	data reduction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.