Experiment: 3AHS

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.9	293	0.84M sodium dihydrogenphosphate, 1.26M dipotassium hydrogenphosphate, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.28	62.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 98.237	α = 90
b = 98.237	β = 90
c = 87.605	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	95	CCD	ADSC QUANTUM 4r		2010-01-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-6A	0.978	Photon Factory	BL-6A

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	1.32	50	99.98	0.081	68.5	15	114464	114464		-3	20

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	1.32	1.37	99.9		0.587	4	10	8374

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 3AGN	1.32	50	114132	5706	99.71	0.163	0.162	0.174	RANDOM	17.127

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]
0.14	0.07		0.14		-0.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.445
r_dihedral_angle_3_deg	11.209
r_dihedral_angle_4_deg	8.932
r_dihedral_angle_1_deg	6.623
r_angle_other_deg	5.263
r_scangle_it	4.401
r_mcbond_other	3.221
r_scbond_it	3.061
r_mcangle_it	2.322
r_rigid_bond_restr	2.135

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.445
r_dihedral_angle_3_deg	11.209
r_dihedral_angle_4_deg	8.932
r_dihedral_angle_1_deg	6.623
r_angle_other_deg	5.263
r_scangle_it	4.401
r_mcbond_other	3.221
r_scbond_it	3.061
r_mcangle_it	2.322
r_rigid_bond_restr	2.135
r_angle_refined_deg	1.487
r_mcbond_it	1.428
r_chiral_restr	0.082
r_gen_planes_other	0.013
r_bond_refined_d	0.012
r_gen_planes_refined	0.011
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2570
Nucleic Acid Atoms
Solvent Atoms	404
Heterogen Atoms	29

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
HKL-2000	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 R01GM133198.