3NHU | pdb_00003nhu

X-ray Crystallographic Structure Activity Relationship (SAR) of Casimiroin and its Analogs Bound to Human Quinone Reductase 2

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	hanging drop	6.7	298	1.339 M ammonium sulfate, 0.1 M Bis-Tris, 0.1 M NaCl, 5 mM DTT, 12 uM FAD, pH 6.7, hanging drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.88

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.762	α = 90
b = 83.79	β = 90
c = 106.699	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		2009-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM	1.0	APS	22-BM

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.9	65.94	99				40328

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	1.9	1.97	97.5		0.45	0.41			3857

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.9	50	40328	40270	2020	99.19	0.1739	0.1714	0.1717	0.2212	0.2196	RANDOM	21.0922

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]
0.54			0.41		-0.95

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.305
r_dihedral_angle_4_deg	19.133
r_dihedral_angle_3_deg	13.711
r_dihedral_angle_1_deg	6.897
r_scangle_it	4.372
r_scbond_it	2.892
r_mcangle_it	2.008
r_angle_refined_deg	1.94
r_mcbond_it	1.192
r_chiral_restr	0.135
r_bond_refined_d	0.023
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3648
Nucleic Acid Atoms
Solvent Atoms	445
Heterogen Atoms	138

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
DENZO	data reduction
SCALEPACK	data scaling
HKL-2000	data scaling
CCP4	phasing