Experiment: 2P8E

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1A6Q	PDB entry 1A6Q

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	294	100mM Hepes pH 7.5, 20% PEG 4000, 10% Isopropanol, VAPOR DIFFUSION, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.399	α = 90
b = 92.315	β = 90
c = 118.713	γ = 90

Symmetry
Space Group	P 21 21 21

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		2007-03-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.97958	APS	31-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.816	72.932	93.8	0.184	0.184	8.3	5.4	49509	49509			17.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.816	1.91	84.5		0.842	0.842	1.5	4.8	6430

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1A6Q	1.816	20	49432	49432	2523	93.8	0.189	0.186	0.246	RANDOM	22.186

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]
-0.71			1.33		-0.62

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.085
r_dihedral_angle_4_deg	19.126
r_dihedral_angle_3_deg	14.57
r_dihedral_angle_1_deg	5.964
r_scangle_it	4.039
r_scbond_it	2.689
r_mcangle_it	1.578
r_angle_refined_deg	1.503
r_mcbond_it	1.039
r_nbtor_refined	0.305

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.085
r_dihedral_angle_4_deg	19.126
r_dihedral_angle_3_deg	14.57
r_dihedral_angle_1_deg	5.964
r_scangle_it	4.039
r_scbond_it	2.689
r_mcangle_it	1.578
r_angle_refined_deg	1.503
r_mcbond_it	1.039
r_nbtor_refined	0.305
r_nbd_refined	0.209
r_xyhbond_nbd_refined	0.2
r_symmetry_vdw_refined	0.196
r_symmetry_hbond_refined	0.168
r_chiral_restr	0.108
r_bond_refined_d	0.015
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4438
Nucleic Acid Atoms
Solvent Atoms	431
Heterogen Atoms	2

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction
CCP4	data scaling
AMoRE	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 R01GM157729.