Experiment: 3CZ4

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2B82	PDB entry 2B82

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.2	279	drop: 4.2-3.5 mg/mL in 50 mM CH3COONa buffer at pH 7.2, 10 mM MgCl2 reservoir: 18% (w/v) polyethylene glycol (PEG) 6000, 0.6% (w/v) Spermine, VAPOR DIFFUSION, SITTING DROP, temperature 279K

Crystal Properties
Matthews coefficient	Solvent content
3.34	63.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.294	α = 90
b = 92.775	β = 90
c = 137.6	γ = 90

Symmetry
Space Group	I 2 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	ADSC QUANTUM 4	Monochromator double crystal, Si(111); toroidal mirror	2002-07-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.934	ESRF	ID14-4

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.7	8	96.8	0.092	4.4	4.3		31967		2	17.14

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)
	1.7	1.742	99.51		0.165	0.165	2.3	4.14	2311

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	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	PDB entry 2B82	1.7	7.99	2	31967	31967	1717	96.84	0.181	0.181	0.181	0.18	0.21167	0.21	RANDOM	23.54

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.098
r_dihedral_angle_4_deg	18.695
r_dihedral_angle_3_deg	12.224
r_dihedral_angle_1_deg	4.99
r_scangle_it	2.86
r_scbond_it	1.79
r_mcangle_it	1.176
r_angle_refined_deg	1.082
r_mcbond_it	0.692
r_nbtor_refined	0.308

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.098
r_dihedral_angle_4_deg	18.695
r_dihedral_angle_3_deg	12.224
r_dihedral_angle_1_deg	4.99
r_scangle_it	2.86
r_scbond_it	1.79
r_mcangle_it	1.176
r_angle_refined_deg	1.082
r_mcbond_it	0.692
r_nbtor_refined	0.308
r_symmetry_hbond_refined	0.231
r_nbd_refined	0.191
r_symmetry_vdw_refined	0.175
r_xyhbond_nbd_refined	0.111
r_chiral_restr	0.084
r_metal_ion_refined	0.021
r_bond_refined_d	0.01
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1680
Nucleic Acid Atoms
Solvent Atoms	324
Heterogen Atoms	27

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
MOSFLM	data reduction
SCALA	data scaling
MOLREP	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.