Experiment: 2AK4

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.7	277	200mM Potassium Iodide, 16% PEG 3350, 100mM Na Cacodylate, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.66	53.84

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.154	α = 90
b = 213.282	β = 89.94
c = 122.303	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	ADSC QUANTUM 4		2005-04-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	1	APS	14-BM-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.5	50		12.98			134769

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)
	2.5				0.501	2.6

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.5	50	133366	4033	95.54	0.247	0.247	0.246	0.278	RANDOM	10.386

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]
-3.06		0.24	5.54		-2.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.903
r_dihedral_angle_4_deg	16.732
r_dihedral_angle_3_deg	15.331
r_dihedral_angle_1_deg	5.368
r_scangle_it	3.992
r_scbond_it	2.413
r_mcangle_it	1.606
r_angle_refined_deg	1.053
r_mcbond_it	0.841
r_nbtor_refined	0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.903
r_dihedral_angle_4_deg	16.732
r_dihedral_angle_3_deg	15.331
r_dihedral_angle_1_deg	5.368
r_scangle_it	3.992
r_scbond_it	2.413
r_mcangle_it	1.606
r_angle_refined_deg	1.053
r_mcbond_it	0.841
r_nbtor_refined	0.3
r_symmetry_vdw_refined	0.281
r_nbd_refined	0.181
r_symmetry_hbond_refined	0.172
r_xyhbond_nbd_refined	0.129
r_chiral_restr	0.068
r_bond_refined_d	0.007
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	26348
Nucleic Acid Atoms
Solvent Atoms	239
Heterogen Atoms	22

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
SCALEPACK	data scaling
PHASER	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.