2WQ6

Structure of the 6-4 photolyase of D. melanogaster in complex with the non-natural N4-methyl T(Dewar)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			291	100 MM HEPES, PH 7, 13-17% PEG1500, 18C

Crystal Properties
Matthews coefficient	Solvent content
2.95	58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 89.169	α = 90
b = 87.486	β = 90
c = 91.856	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 X06DA		SLS	X06DA

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	2.3	43.73	99.3	0.06	18.1	4		32351		2	42.4

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	2.3	2.42	99.7		0.4	3.9	4.1

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-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3CVU	2.3	43.74	30688	1620	99.17	0.20265	0.20129	0.22848	RANDOM	27.233

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]
0.02			0.88		-0.9

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.493
r_dihedral_angle_4_deg	15.619
r_dihedral_angle_3_deg	13.928
r_dihedral_angle_1_deg	4.998
r_scangle_it	4.127
r_scbond_it	2.685
r_mcangle_it	1.959
r_angle_refined_deg	1.22
r_mcbond_it	1.041
r_angle_other_deg	0.933
r_mcbond_other	0.221
r_chiral_restr	0.103
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d	0.005
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4162
Nucleic Acid Atoms	609
Solvent Atoms	170
Heterogen Atoms	53

Software

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