Experiment: 3KSM

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	0.5 M Ammonium sulfate, 0.1 M HEPES pH 7.5, 30% v/v (+/-)-2-Methyl-2,4-pentanediol, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.439	α = 103.49
b = 47.712	β = 90.49
c = 79.723	γ = 91.06

Symmetry
Space Group	P 1

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	Mirrors	2009-10-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	0.979	NSLS	X25

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	30	95.8	0.063	16.8	3.8	40397	38369			23.2

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	1.96	90.6		0.178	7.68	3.6	3204

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	SAD	THROUGHOUT	1.9	29.44	40397	38369	2028	95.89	0.16426	0.16218	0.20278	RANDOM	14.248

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]
			-0.01		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.848
r_dihedral_angle_4_deg	17.661
r_dihedral_angle_3_deg	14.437
r_dihedral_angle_1_deg	5.662
r_scangle_it	4.1
r_scbond_it	2.761
r_mcangle_it	1.518
r_angle_refined_deg	1.478
r_mcbond_it	1.01
r_nbtor_refined	0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.848
r_dihedral_angle_4_deg	17.661
r_dihedral_angle_3_deg	14.437
r_dihedral_angle_1_deg	5.662
r_scangle_it	4.1
r_scbond_it	2.761
r_mcangle_it	1.518
r_angle_refined_deg	1.478
r_mcbond_it	1.01
r_nbtor_refined	0.3
r_nbd_refined	0.197
r_symmetry_vdw_refined	0.17
r_xyhbond_nbd_refined	0.167
r_symmetry_hbond_refined	0.161
r_chiral_restr	0.123
r_bond_refined_d	0.014
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4196
Nucleic Acid Atoms
Solvent Atoms	349
Heterogen Atoms	20

Software

Software
Software Name	Purpose
CBASS	data collection
SHARP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	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.