Experiment: 2ATA

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.7	293	Lithium Chloride, PEG 3350, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.38	47.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.649	α = 83.35
b = 57.998	β = 87.55
c = 77.983	γ = 73.5

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV++	Osmic Inc. MSC - Blue Confocal Mirrors	2004-09-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	1.5418

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	43.03	96.2	0.068	19.19	3.8	44444	44444			31.4

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)
	2.2	2.25	93.5	93.5	0.255	5.7	3.8	2862

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	ISOMORPHOUS REPLACEMENT	THROUGHOUT	PDB ENTRY 2CA0	2.2	43	44444	43333	2188	97.5	0.149	0.149	0.145	0.215	RANDOM	29.131

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]
-0.44	-0.36	0.57	-0.06	0.14	0.62

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.791
r_dihedral_angle_4_deg	16.367
r_dihedral_angle_3_deg	15.258
r_scangle_it	7.454
r_dihedral_angle_1_deg	7.266
r_scbond_it	5.776
r_mcangle_it	3.817
r_mcbond_it	2.552
r_angle_refined_deg	1.8
r_nbtor_refined	0.312

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.791
r_dihedral_angle_4_deg	16.367
r_dihedral_angle_3_deg	15.258
r_scangle_it	7.454
r_dihedral_angle_1_deg	7.266
r_scbond_it	5.776
r_mcangle_it	3.817
r_mcbond_it	2.552
r_angle_refined_deg	1.8
r_nbtor_refined	0.312
r_symmetry_hbond_refined	0.225
r_nbd_refined	0.21
r_symmetry_vdw_refined	0.194
r_xyhbond_nbd_refined	0.17
r_chiral_restr	0.107
r_metal_ion_refined	0.102
r_bond_refined_d	0.017
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6178
Nucleic Acid Atoms	891
Solvent Atoms	717
Heterogen Atoms	4

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
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 R01GM133198.