3MDQ

Crystal structure of an Exopolyphosphatase (CHU_0316) from Cytophaga hutchinsonii ATCC 33406 at 1.50 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	1.4500M ammonium sulfate, 13.6000% Glycerol, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.687	α = 90
b = 89.335	β = 90
c = 89.374	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	MARMOSAIC 325 mm CCD	Flat collimating mirror, toroid focusing mirror	2010-03-11	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.96109,0.97934,0.97925	SSRL	BL9-2

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	1.5	29.786	94.1	0.057	8.14			56714		-3	16.011

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	1.5	1.55	90.3		0.435	1.7

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.5	29.786	56672	2875	97.52	0.154	0.153	0.178	RANDOM	17.122

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]
-0.38			0.29		0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.537
r_dihedral_angle_4_deg	17.65
r_dihedral_angle_3_deg	12.44
r_scangle_it	7.057
r_dihedral_angle_1_deg	5.455
r_scbond_it	4.546
r_mcangle_it	2.812
r_mcbond_it	1.664
r_angle_refined_deg	1.56
r_angle_other_deg	0.957

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.537
r_dihedral_angle_4_deg	17.65
r_dihedral_angle_3_deg	12.44
r_scangle_it	7.057
r_dihedral_angle_1_deg	5.455
r_scbond_it	4.546
r_mcangle_it	2.812
r_mcbond_it	1.664
r_angle_refined_deg	1.56
r_angle_other_deg	0.957
r_mcbond_other	0.436
r_chiral_restr	0.096
r_bond_refined_d	0.017
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	2408
Nucleic Acid Atoms
Solvent Atoms	350
Heterogen Atoms	40

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing
autoSHARP	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.