Experiment: 3CX3

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4	293	PEG 2000, NaCl, citric acid, pH 4.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.76	α = 90
b = 63.26	β = 90
c = 151.66	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	ADSC QUANTUM 315		2007-06-19	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM30A	0.971968, 0.979648, 0.979896	ESRF	BM30A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.4	44.9	95.6	0.044	0.071	12.91	3.7	40540	38743		2	13.3

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)
	2.4	2.5	66.9		0.53	0.52	2.4	3.6	3981

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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		THROUGHOUT	2.4	44.9	21262	1064	100	0.229	0.225	0.295	RANDOM	56.198

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]
4.85			-3.72		-1.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	43.004
r_dihedral_angle_3_deg	22.167
r_dihedral_angle_4_deg	22.113
r_dihedral_angle_1_deg	11.037
r_scangle_it	4.143
r_mcangle_it	2.841
r_scbond_it	2.481
r_angle_refined_deg	1.722
r_mcbond_it	1.602
r_nbtor_refined	0.315

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	43.004
r_dihedral_angle_3_deg	22.167
r_dihedral_angle_4_deg	22.113
r_dihedral_angle_1_deg	11.037
r_scangle_it	4.143
r_mcangle_it	2.841
r_scbond_it	2.481
r_angle_refined_deg	1.722
r_mcbond_it	1.602
r_nbtor_refined	0.315
r_nbd_refined	0.283
r_symmetry_vdw_refined	0.274
r_xyhbond_nbd_refined	0.215
r_metal_ion_refined	0.176
r_chiral_restr	0.172
r_symmetry_hbond_refined	0.165
r_bond_refined_d	0.012
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4132
Nucleic Acid Atoms
Solvent Atoms	144
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XSCALE	data scaling
SHARP	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.