5KKE

Crystal Structure of a Domain-swapped Dimer of Yeast Iso-1-cytochrome c with CYMAL5

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	295	Reservior solution: 77% Ammonium Sulfate, 0.1 M Tris, pH 7.5 Protein Solution: 18 mg/mL in 75 % Ammonium Sulfate Detergent Solution: 2.5 mM CYMAL-5 in deionized water Mixed 2:2:1

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.74	α = 90
b = 69.326	β = 90
c = 72.482	γ = 90

Symmetry
Space Group	I 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV++	Varimax-HR	2016-02-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	1.7	40	99.9	0.058	0.06	0.015	16	14.7		26560			26.78

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.7	1.76	99.5		0.93	0.974	0.284	0.829		11.3	2642

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	SAD, MOLECULAR REPLACEMENT	FREE R-VALUE	1.701	26.981	1.34	26555	2654	99.88	0.1742	0.1708	0.204	38.6617

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	19.742
f_angle_d	1.04
f_chiral_restr	0.051
f_bond_d	0.009
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	843
Nucleic Acid Atoms
Solvent Atoms	79
Heterogen Atoms	134

Software

Software
Software Name	Purpose
PHENIX	refinement
CrystalClear	data collection
SCALEPACK	data scaling
PHASER	phasing
SOLVE	phasing
PDB_EXTRACT	data extraction
HKL-2000	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.