Experiment: 2A2L

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	290	30% MPD, 0.1M HEPES, 0.2M Sodium citrate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.49	α = 90
b = 80.49	β = 90
c = 207.05	γ = 90

Symmetry
Space Group	P 42 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	87	CCD	ADSC QUANTAM Q315	MIRRORS	2005-03-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	0.989	NSLS	X29A

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	2.2	20	92.3	0.122	0.118	6.7	9.2	33912	32826		0.5

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	2.2	2.28	79.6		0.191	0.222	2.1	4.4	2765

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.2	103.69	32826	31792	1017	92.35	0.247	0.23725	0.23489	0.24	0.30788	0.31	RANDOM	27.415

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]
-0.52			-0.52		1.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	46.827
r_dihedral_angle_4_deg	20.552
r_dihedral_angle_3_deg	19.65
r_scangle_it	11.064
r_dihedral_angle_1_deg	8.48
r_scbond_it	7.583
r_angle_refined_deg	1.397
r_nbtor_refined	0.302
r_symmetry_hbond_refined	0.234
r_mcangle_it	0.218

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	46.827
r_dihedral_angle_4_deg	20.552
r_dihedral_angle_3_deg	19.65
r_scangle_it	11.064
r_dihedral_angle_1_deg	8.48
r_scbond_it	7.583
r_angle_refined_deg	1.397
r_nbtor_refined	0.302
r_symmetry_hbond_refined	0.234
r_mcangle_it	0.218
r_xyhbond_nbd_refined	0.215
r_symmetry_vdw_refined	0.208
r_nbd_refined	0.19
r_mcbond_it	0.131
r_chiral_restr	0.117
r_bond_refined_d	0.012
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4264
Nucleic Acid Atoms
Solvent Atoms	558
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
HKL-2000	data reduction
SOLVE	phasing
RESOLVE	model building
REFMAC	refinement
SCALEPACK	data scaling
RESOLVE	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.