3OM3

Catalytic core subunits (I and II) of cytochrome C oxidase from Rhodobacter sphaeroides with K362M mutation in the reduced state

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.3	277	26-28% PEG-400, crystal reduced by dithionite, pH 6.3, VAPOR DIFFUSION, SITTING DROP, temperature 277K, vapor diffusion, sitting drop

Crystal Properties
Matthews coefficient	Solvent content
4.16	70.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 124.65	α = 90
b = 132.365	β = 90
c = 178.006	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 300 mm CCD		2008-07-11		SINGLE WEAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	1.0	APS	21-ID-G

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	2.45	50	89.1	0.056	13.5	4.4	84462	96671

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	2.45	2.54	47.6		0.32		3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2.6	40.46	84462	87092	2630	95.7	0.199	0.198	0.229	55.95

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]
-4.36			-0.19		4.56

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.13
r_dihedral_angle_4_deg	18.09
r_dihedral_angle_3_deg	14.474
r_dihedral_angle_1_deg	5.431
r_scangle_it	1.566
r_angle_refined_deg	1.174
r_scbond_it	1.03
r_mcangle_it	0.849
r_mcbond_it	0.49
r_nbtor_refined	0.313
r_nbd_refined	0.2
r_symmetry_vdw_refined	0.174
r_xyhbond_nbd_refined	0.134
r_metal_ion_refined	0.12
r_chiral_restr	0.084
r_symmetry_hbond_refined	0.032
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12288
Nucleic Acid Atoms
Solvent Atoms	282
Heterogen Atoms	633

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MD2	data collection
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing