5X1B

CO bound cytochrome c oxidase at 20 nsec after pump laser irradiation to release CO from O2 reduction center

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BATCH MODE	6.8	277	40 mM sodium phosphate, 0.2% decyl maltoside, 2% ethylene glycol, PEG 4000

Crystal Properties
Matthews coefficient	Solvent content
4.26	71.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 185.849	α = 90
b = 209.485	β = 90
c = 179.524	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	277	CCD	RAYONIX MX225HE		2015-06-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	FREE ELECTRON LASER	SACLA BEAMLINE BL3	1.24020	SACLA	BL3

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	2.4	14.99	98.2	0.1624	0.9576	6.28	63.23		266141

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4	2.44	79.6		0.4131	0.4967		4.61

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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		THROUGHOUT	2.4	15	252489	13569	97.67	0.1843	0.1819	0.2296	RANDOM	72.697

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]
-0.89			4.94		-4.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.898
r_dihedral_angle_3_deg	18.114
r_dihedral_angle_4_deg	17.423
r_dihedral_angle_1_deg	6.641
r_angle_refined_deg	1.832
r_chiral_restr	0.114
r_bond_refined_d	0.013
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	28506
Nucleic Acid Atoms
Solvent Atoms	972
Heterogen Atoms	2236

Software

Software
Software Name	Purpose
REFMAC	refinement
cctbx.xfel	data processing
cctbx.prime	data scaling
REFMAC	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.