Experiment: 2OCX

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	292	0.3M potassium dihydrogen phosphate, 0.1M Tris-HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2.82	56.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 124.2	α = 90
b = 124.2	β = 90
c = 96.2	γ = 120

Symmetry
Space Group	P 65 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	MAR CCD 165 mm		2004-11-20	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE BW7A	0.9537, 0.9787, 0.9790	EMBL/DESY, HAMBURG	BW7A

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	2.2	20	100	0.085	56	42.6	22641	22609		-3	35.4

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	2.2	2.28	100		0.346	13.4	43.1	2202

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.2	19.96	22625	22498	1062	99.47	0.186	0.186	0.184	0.217	RANDOM	32.68

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]
-1.42	-0.71		-1.42		2.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.511
r_dihedral_angle_4_deg	20.007
r_dihedral_angle_3_deg	14.577
r_dihedral_angle_1_deg	5.935
r_scangle_it	5.571
r_scbond_it	4.065
r_angle_refined_deg	1.532
r_mcangle_it	1.456
r_mcbond_it	1.004
r_nbd_refined	0.211

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.511
r_dihedral_angle_4_deg	20.007
r_dihedral_angle_3_deg	14.577
r_dihedral_angle_1_deg	5.935
r_scangle_it	5.571
r_scbond_it	4.065
r_angle_refined_deg	1.532
r_mcangle_it	1.456
r_mcbond_it	1.004
r_nbd_refined	0.211
r_symmetry_vdw_refined	0.199
r_symmetry_hbond_refined	0.196
r_nbtor_refined	0.185
r_xyhbond_nbd_refined	0.148
r_chiral_restr	0.09
r_bond_refined_d	0.017
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2349
Nucleic Acid Atoms
Solvent Atoms	180
Heterogen Atoms	23

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
DENZO	data reduction
SCALEPACK	data scaling
Auto-Rickshaw	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.