3QDO

Crystal Structure of PDZ domain of sorting nexin 27 (SNX27) fused to the Gly-Gly linker followed by C-terminal (ESESKV) of GIRK3

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	0.2 M calcium chloride, 0.1 M HEPES, 28% v/v PEG400, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.795	α = 90
b = 59.795	β = 90
c = 53.606	γ = 90

Symmetry
Space Group	I 41

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	mirrors	2009-11-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2		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	1.88	42.28	99.79	0.045	37.3	7.2	7380	7380			14.216

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)
	1.88	1.91	100		0.106	19.4	7.2	384

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3QE1	1.88	42.28	7380	7380	354	99.79	0.14688	0.14427	0.20305	RANDOM	19.074

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]
-0.68			-0.68		1.36

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.063
r_dihedral_angle_3_deg	15.269
r_dihedral_angle_4_deg	9.101
r_dihedral_angle_1_deg	6.354
r_scangle_it	5.72
r_scbond_it	3.392
r_mcangle_it	2.432
r_angle_refined_deg	2.02
r_mcbond_it	1.405
r_chiral_restr	0.223

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.063
r_dihedral_angle_3_deg	15.269
r_dihedral_angle_4_deg	9.101
r_dihedral_angle_1_deg	6.354
r_scangle_it	5.72
r_scbond_it	3.392
r_mcangle_it	2.432
r_angle_refined_deg	2.02
r_mcbond_it	1.405
r_chiral_restr	0.223
r_bond_refined_d	0.023
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	798
Nucleic Acid Atoms
Solvent Atoms	108
Heterogen Atoms

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.