Experiment: 3AI2

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3AI1	PDB ENTRY 3AI1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	293	5MM NADPH, 34% (W/V) PEG 400, 200MM CALCIUM ACETATE, 100MM SODIUM ACETATE TRIHYDRATE PH 4.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K, temperature 293.0K

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 124.29	α = 90
b = 60.98	β = 89.99
c = 124.45	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	ADSC QUANTUM 315		2008-06-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	1.000	Photon Factory	BL-5A

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	1.9	50	99.7	0.07	11.1			146936	1	1

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	1.9	1.95	99.8		0.383	3.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3AI1	1.9	19.67	139564	7364	99.8	0.175	0.172	0.221	RANDOM	19.4

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	31.995
r_dihedral_angle_4_deg	18.842
r_dihedral_angle_3_deg	14.412
r_dihedral_angle_1_deg	5.918
r_scangle_it	4.711
r_scbond_it	2.907
r_angle_refined_deg	1.746
r_mcangle_it	1.653
r_mcbond_it	0.964
r_chiral_restr	0.116

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.995
r_dihedral_angle_4_deg	18.842
r_dihedral_angle_3_deg	14.412
r_dihedral_angle_1_deg	5.918
r_scangle_it	4.711
r_scbond_it	2.907
r_angle_refined_deg	1.746
r_mcangle_it	1.653
r_mcbond_it	0.964
r_chiral_restr	0.116
r_bond_refined_d	0.02
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15928
Nucleic Acid Atoms
Solvent Atoms	1411
Heterogen Atoms	384

Software

Software
Software Name	Purpose
ADSC	data collection
MOLREP	phasing
REFMAC	refinement
XDS	data reduction
XDS	data scaling

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.