3QGL

Crystal Structure of PDZ domain of sorting nexin 27 (SNX27) in complex with the ESESKV peptide corresponding to the C-terminal tail of GIRK3

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	4.0 M sodium formate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.93	58.02

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.571	α = 90
b = 81.567	β = 102.11
c = 90.678	γ = 90

Symmetry
Space Group	P 1 21 1

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	3.3	38.949	99.8	0.093	14.72	3.8	9810	9810			90.692

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)
	3.3	3.36	98.3		0.208	6.08	3.5	475

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3QE1	3.31	38.949	9329	470	99.36	0.23462	0.23365	0.25434	RANDOM	58.22

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]
0.84		-2.61	5.43		-7.37

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.266
r_dihedral_angle_4_deg	19.985
r_dihedral_angle_3_deg	16.656
r_dihedral_angle_1_deg	5.528
r_angle_refined_deg	1.207
r_chiral_restr	0.077
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_mcbond_it
r_mcangle_it

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.266
r_dihedral_angle_4_deg	19.985
r_dihedral_angle_3_deg	16.656
r_dihedral_angle_1_deg	5.528
r_angle_refined_deg	1.207
r_chiral_restr	0.077
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_mcbond_it
r_mcangle_it
r_scbond_it
r_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3815
Nucleic Acid Atoms
Solvent Atoms	5
Heterogen Atoms

Software

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

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.