Experiment: 2QIH

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	291.15	12% PEG 3350, 0.2M Ammonium Phosphate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291.15K

Crystal Properties
Matthews coefficient	Solvent content
2.65	53.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.234	α = 90
b = 37.234	β = 90
c = 224.475	γ = 120

Symmetry
Space Group	P 3

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	MARMOSAIC 225 mm CCD		2006-02-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.95350	ESRF	BM14

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	1.897	223.61	93.5	0.086	11	9.4	27647	25857

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)
	1.897	1.97	69.9		0.4	2.1	3.5	1963

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	Chain A of 1D7M	1.897	223.61	27647	25855	1300	93.52	0.207	0.197	0.194	0.253	RANDOM	22.946

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]
0.91	0.45		0.91		-1.36

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.261
r_dihedral_angle_3_deg	15.478
r_dihedral_angle_4_deg	11.475
r_dihedral_angle_1_deg	3.94
r_scangle_it	3.759
r_scbond_it	2.529
r_mcangle_it	1.402
r_angle_refined_deg	1.241
r_mcbond_it	0.973
r_nbtor_refined	0.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.261
r_dihedral_angle_3_deg	15.478
r_dihedral_angle_4_deg	11.475
r_dihedral_angle_1_deg	3.94
r_scangle_it	3.759
r_scbond_it	2.529
r_mcangle_it	1.402
r_angle_refined_deg	1.241
r_mcbond_it	0.973
r_nbtor_refined	0.29
r_symmetry_vdw_refined	0.213
r_nbd_refined	0.212
r_symmetry_hbond_refined	0.179
r_xyhbond_nbd_refined	0.142
r_chiral_restr	0.087
r_bond_refined_d	0.016
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2088
Nucleic Acid Atoms
Solvent Atoms	386
Heterogen Atoms	36

Software

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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.