Experiment: 3IHM

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	293	0.2 M MgCl2, 0.1 M Tris-HCl, pH 8.5, 30% (w/v) PEG-4000, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.91	57.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 114.302	α = 90
b = 114.302	β = 90
c = 140.803	γ = 120

Symmetry
Space Group	P 63

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		2008-12-01	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	MAR CCD 130 mm		2009-06-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	1.03	APS	23-ID-D
2	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.98	APS	21-ID-F

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
1,2	2.27	50	100	0.093	8	11.6		48378

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)
1,2	2.27	2.31	100		0.378		11.6	2398

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MIRAS, MR	THROUGHOUT	2.3	42.41	46247	2340	99.95	0.207	0.206	0.244	RANDOM	18.854

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]
0.06	0.03		0.06		-0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.535
r_dihedral_angle_4_deg	16.543
r_dihedral_angle_3_deg	15.283
r_dihedral_angle_1_deg	4.847
r_angle_refined_deg	0.891
r_scangle_it	0.786
r_scbond_it	0.443
r_mcangle_it	0.346
r_mcbond_it	0.179
r_chiral_restr	0.061

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.535
r_dihedral_angle_4_deg	16.543
r_dihedral_angle_3_deg	15.283
r_dihedral_angle_1_deg	4.847
r_angle_refined_deg	0.891
r_scangle_it	0.786
r_scbond_it	0.443
r_mcangle_it	0.346
r_mcbond_it	0.179
r_chiral_restr	0.061
r_bond_refined_d	0.006
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6429
Nucleic Acid Atoms
Solvent Atoms	578
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
SHARP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection

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.