Experiment: 2WQ7

Structure of the 6-4 photolyase of D. melanogaster in complex with the non-natural N4-methyl T(6-4)C lesion

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				100MM HEPES PH 7, 13-17% PEG1500 18DGC

Crystal Properties
Matthews coefficient	Solvent content
2.95	58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.786	α = 90
b = 89.265	β = 90
c = 91.491	γ = 90

Symmetry
Space Group	P 21 21 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	CCD	MARMOSAIC 225 mm CCD		2009-07-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA		SLS	X10SA

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	40.5	99.2	0.06	14.7	3.6		48536		2	26.67

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)
1	2	2.1	96.2		0.38	3.7	3.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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 3CVU	2	40.468	1.35	48536	2451	99.02	0.1794	0.1778	0.1715	0.2089	0.2033	28.4

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]
0.8264			0.8688		-3.1512

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	19.071
f_angle_d	1.377
f_chiral_restr	0.103
f_bond_d	0.011
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4162
Nucleic Acid Atoms	609
Solvent Atoms	403
Heterogen Atoms	53

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing