Experiment: 3TKB

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.8	296	18% PEG 4000, 0.041M ammonium sulfate, 0.05M sodium chloride, 0.1M imidazole/maleate, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 296K

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.53	α = 90
b = 39.71	β = 97.91
c = 66.73	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	RAYONIX MX-225		2008-10-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.2	0.91841	BESSY	14.2

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	1.399	34.04	69.6	0.021	42.29	3.567	30634	30527		3	18.012

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	1.5	1.58	38.4		0.041	0.041	17.8	2.3	1951

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1AKZ	1.5	34.04	29680	1464	83.31	0.1535	0.1515	0.192	RANDOM	12.8287

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]
0.15		0.08	0.13		-0.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.805
r_dihedral_angle_3_deg	11.23
r_dihedral_angle_4_deg	10.017
r_dihedral_angle_1_deg	5.374
r_scangle_it	3.836
r_scbond_it	2.335
r_angle_refined_deg	1.51
r_mcangle_it	1.506
r_mcbond_it	0.93
r_chiral_restr	0.107

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.805
r_dihedral_angle_3_deg	11.23
r_dihedral_angle_4_deg	10.017
r_dihedral_angle_1_deg	5.374
r_scangle_it	3.836
r_scbond_it	2.335
r_angle_refined_deg	1.51
r_mcangle_it	1.506
r_mcbond_it	0.93
r_chiral_restr	0.107
r_bond_refined_d	0.015
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1806
Nucleic Acid Atoms
Solvent Atoms	343
Heterogen Atoms	10

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
MOLREP	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.