3RKO

Crystal structure of the membrane domain of respiratory complex I from E. coli at 3.0 angstrom resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.8	296	0.1M sodium acetate, 0.3M sodium tartrate, 9% PEG4000, 0.15% sodium cholate, 0.1M NDSB-256, pH 4.8, VAPOR DIFFUSION, SITTING DROP, temperature 296K

Crystal Properties
Matthews coefficient	Solvent content
4.25	71.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 94.98	α = 98.51
b = 116.57	β = 104.08
c = 191.37	γ = 108.51

Symmetry
Space Group	P 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	ADSC QUANTUM 210	mirrors	2010-07-03	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.9789, 0.9790, 0.85, 1.00	ESRF	ID29

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	3	29.979	95.5	0.165	4.2	2.6	139150	139150			65.9

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	3	3.16	96		1.217	0.8	2.6	20452

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	3	19.991	126323	126323	2546	86.46	0.2329	0.2329	0.2319	0.2816	RANDOM	76.9128

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]
-5.9953	0.1213	-0.6214	-4.4125	1.1621	1.7671

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.335
f_angle_d	1.07
f_chiral_restr	0.07
f_bond_d	0.016
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	30002
Nucleic Acid Atoms
Solvent Atoms	16
Heterogen Atoms	292

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
SHARP	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 R01GM157729.