Experiment: 1U3C

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1DNP	E.coli DNA photolyase, pdb entry 1DNP

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	309	glycerol, MES, sulfobetaine-195, 1,6-hexanediol, sodium, potassium tartrate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 309K

Crystal Properties
Matthews coefficient	Solvent content
3.7	67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 169.43	α = 90
b = 169.43	β = 90
c = 104.245	γ = 120

Symmetry
Space Group	P 63 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	CUSTOM-MADE		2004-02-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.979	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.6	50	96.5	0.094	26.5	12.4	26452	26452		-3	47.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.6	2.69	97.6		0.806	2.8	9.9	2627

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	E.coli DNA photolyase, pdb entry 1DNP	2.6	34.6	25083	25083	2477	90.9	0.21	0.205	0.205	0.254	RANDOM	47.9

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]
8.79	11.91		8.79		-17.58

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22.5
c_scangle_it	7.67
c_scbond_it	5.82
c_mcangle_it	4.91
c_mcbond_it	3.41
c_angle_deg	1.5
c_improper_angle_d	0.96
c_bond_d	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3941
Nucleic Acid Atoms
Solvent Atoms	68
Heterogen Atoms	85

Software

Software
Software Name	Purpose
CNS	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
CNS	phasing

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.