Experiment: 3I1U

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2CTB	PDB ENTRY 2CTB

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	291	20% PEG 3350, 0.2M AMMONIUM CHLORIDE, 0.02M TRIS, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
1.97	37.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.319	α = 90
b = 57.504	β = 99.14
c = 57.08	γ = 90

Symmetry
Space Group	P 1 21 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	MAR CCD 165 mm	mirrors	2008-12-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13	0.8123	EMBL/DESY, HAMBURG	X13

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	1.38	57.544	96.6	0.068	0.068	20	6.1	55180	53703	2	2	9.3

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	1.38	1.46	77.8		0.379	0.379	1.8	5.3	6298

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2CTB	1.391	20.54	1	1	52590	53692	1102	98.87	0.148	0.148	0.15	0.162	0.16	RANDOM	9.564

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]
0.11		-0.09	-0.19		0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.444
r_dihedral_angle_4_deg	16.739
r_dihedral_angle_3_deg	10.91
r_dihedral_angle_1_deg	5.571
r_scangle_it	2.006
r_scbond_it	1.383
r_angle_refined_deg	1.137
r_mcangle_it	0.837
r_mcbond_it	0.548
r_nbtor_refined	0.312

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.444
r_dihedral_angle_4_deg	16.739
r_dihedral_angle_3_deg	10.91
r_dihedral_angle_1_deg	5.571
r_scangle_it	2.006
r_scbond_it	1.383
r_angle_refined_deg	1.137
r_mcangle_it	0.837
r_mcbond_it	0.548
r_nbtor_refined	0.312
r_nbd_refined	0.204
r_symmetry_vdw_refined	0.191
r_symmetry_hbond_refined	0.104
r_chiral_restr	0.078
r_xyhbond_nbd_refined	0.078
r_bond_refined_d	0.008
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2403
Nucleic Acid Atoms
Solvent Atoms	323
Heterogen Atoms	57

Software

Software
Software Name	Purpose
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
MOSFLM	data reduction

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.