3CB5

Crystal Structure of the S. pombe Peptidase Homology Domain of FACT complex subunit Spt16 (form A)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	13% PEG 2000, 0.1M Bis-Tris propane, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystal Properties
Matthews coefficient	Solvent content
2.54	51.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 97.07	α = 90
b = 101.65	β = 90
c = 103.51	γ = 90

Symmetry
Space Group	P 21 21 21

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 210		2007-02-28	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	MARMOSAIC 225 mm CCD		2007-01-26	M	MAD
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM16	0.931	ESRF	BM16
2	SYNCHROTRON	SLS BEAMLINE X06SA	0.980, 0.976, 0.907	SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.05	72.55	99.6	0.069	11	3.65	65005	64731	-3	-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	2.05	2.17	99		0.59	2.19	3.7	10275

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	2.05	46.12	-3	61740	61555	3292	99.77	0.208	0.20767	0.20562	0.24466	RANDOM	22.333

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]
-0.9			-0.6		1.5

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.286
r_dihedral_angle_4_deg	21.804
r_dihedral_angle_3_deg	15.74
r_dihedral_angle_1_deg	6.182
r_scangle_it	2.576
r_scbond_it	1.847
r_angle_refined_deg	1.419
r_angle_other_deg	1.399
r_mcangle_it	0.926
r_mcbond_it	0.503

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.286
r_dihedral_angle_4_deg	21.804
r_dihedral_angle_3_deg	15.74
r_dihedral_angle_1_deg	6.182
r_scangle_it	2.576
r_scbond_it	1.847
r_angle_refined_deg	1.419
r_angle_other_deg	1.399
r_mcangle_it	0.926
r_mcbond_it	0.503
r_mcbond_other	0.127
r_chiral_restr	0.076
r_bond_refined_d	0.012
r_gen_planes_refined	0.007
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6996
Nucleic Acid Atoms
Solvent Atoms	451
Heterogen Atoms	19

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
XDS	data reduction
XDS	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.