Experiment: 1SD4

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.4	291	ammonium sulfate, glycerol, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.47	50.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.412	α = 90
b = 116.362	β = 90
c = 40.17	γ = 90

Symmetry
Space Group	P 21 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	100	CCD	BRANDEIS - B4		2003-03-23	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X12C	0.9792, 0.9795, 0.9611	NSLS	X12C

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	2	30	98.4	0.061	52.8	13.7	20786	20786			34.7

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)
1	2	2.07	94.5		0.51	3.7	10.3

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2	29.3	19686	19686	1061	98.33	0.2102	0.20468	0.20291	0.23718	RANDOM	35.416

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]
0.41			1.13		-1.53

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	6.523
r_dihedral_angle_1_deg	4.055
r_scbond_it	3.809
r_mcangle_it	2.518
r_angle_refined_deg	1.358
r_mcbond_it	1.304
r_nbd_refined	0.229
r_xyhbond_nbd_refined	0.2
r_symmetry_vdw_refined	0.177
r_symmetry_hbond_refined	0.156

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	6.523
r_dihedral_angle_1_deg	4.055
r_scbond_it	3.809
r_mcangle_it	2.518
r_angle_refined_deg	1.358
r_mcbond_it	1.304
r_nbd_refined	0.229
r_xyhbond_nbd_refined	0.2
r_symmetry_vdw_refined	0.177
r_symmetry_hbond_refined	0.156
r_chiral_restr	0.095
r_bond_refined_d	0.017
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2036
Nucleic Acid Atoms
Solvent Atoms	225
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
CBASS	data collection
SCALEPACK	data scaling
SOLVE	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 R01GM133198.