Experiment: 3CFA

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2A56	PDB ENTRY 2A56

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	298	0.2M CaCl2, 28%(W/V) PEG 400, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.82	56.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 98.449	α = 90
b = 98.54	β = 90
c = 241.615	γ = 90

Symmetry
Space Group	C 2 2 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	MAR CCD 165 mm	mirror	2007-06-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6	1.05	MPG/DESY, HAMBURG	BW6

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	1.75	20	97	0.08	15.5	4.66	114548	111019		2	25.5

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)
	1.75	1.78	98.9		0.6	2	4.5	5722

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 (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 2A56	1.75	12.39	114548	108505	5721	97.02	0.20522	0.20387	0.2	0.23063	0.23	RANDOM	28.673

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]
0.95			0.98		-1.93

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.421
r_dihedral_angle_4_deg	17.53
r_dihedral_angle_3_deg	13.89
r_dihedral_angle_1_deg	5.918
r_scangle_it	1.663
r_angle_refined_deg	1.092
r_scbond_it	1.056
r_mcangle_it	0.923
r_mcbond_it	0.542
r_nbtor_refined	0.298

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.421
r_dihedral_angle_4_deg	17.53
r_dihedral_angle_3_deg	13.89
r_dihedral_angle_1_deg	5.918
r_scangle_it	1.663
r_angle_refined_deg	1.092
r_scbond_it	1.056
r_mcangle_it	0.923
r_mcbond_it	0.542
r_nbtor_refined	0.298
r_symmetry_vdw_refined	0.208
r_nbd_refined	0.195
r_xyhbond_nbd_refined	0.152
r_symmetry_hbond_refined	0.136
r_chiral_restr	0.071
r_bond_refined_d	0.006
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7484
Nucleic Acid Atoms
Solvent Atoms	1004
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345dtb	data collection
DENZO	data reduction
SCALEPACK	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.