Experiment: 3SPC

Inward rectifier potassium channel Kir2.2 in complex with dioctanoylglycerol pyrophosphate (DGPP)

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3JYC	PDB ENTRY 3JYC

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	HANGING DROP, VAPOR DIFFUSION	7		6.2% PEG400, 0.5 M potassium chloride, 0.1 M HEPES, pH 7.0, HANGING DROP, VAPOR DIFFUSION

Crystal Properties
Matthews coefficient	Solvent content
4.17	70.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.904	α = 90
b = 82.904	β = 90
c = 191.159	γ = 90

Symmetry
Space Group	I 4

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 315		2011-02-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	1.0	NSLS	X29A

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	2.45	16	100	0.146	11.7	4.8		23341		3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.45	2.6	100		2.2	4.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 3JYC	2.454	15.657	22164	1120	94.58	0.1944	0.1929	0.2091	0.2237	0.2442	R-Free values were generated from PDB entry 3JYC and extended to higher resolution frames.

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]
4.7079			4.7079		-9.4158

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.018
f_angle_d	0.882
f_chiral_restr	0.064
f_bond_d	0.011
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2605
Nucleic Acid Atoms
Solvent Atoms	88
Heterogen Atoms	34

Software

Software
Software Name	Purpose
CBASS	data collection
PHENIX	refinement