6AI5

Disulfide-free, Zn-directed tetramer of the engineered cyt cb562 variant, C96T/A104AB3

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		298	12.5% PEG 3350, pH 7.5, 0.2 M MgCl2

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.562	α = 90
b = 76.871	β = 105.84
c = 96.425	γ = 90

Symmetry
Space Group	I 1 2 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	MARMOSAIC 325 mm CCD		2013-07-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL14-1	0.9817	SSRL	BL14-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	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	1.81	38.44	100	0.057	0.057	0.066	0.034	0.996	12.9	3.8		36906

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.81	1.91	100		0.156	0.045	0.053	0.027	0.965		3.8

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.81	36.6	34927	1895	99.76	0.1771	0.1753	0.2093	RANDOM	27.084

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]
0.02		1.03	-1.35		0.65

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.568
r_dihedral_angle_4_deg	16.813
r_dihedral_angle_3_deg	14.476
r_dihedral_angle_1_deg	4.784
r_angle_refined_deg	1.296
r_angle_other_deg	1.008
r_chiral_restr	0.066
r_bond_refined_d	0.009
r_gen_planes_refined	0.007
r_gen_planes_other	0.006

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.568
r_dihedral_angle_4_deg	16.813
r_dihedral_angle_3_deg	14.476
r_dihedral_angle_1_deg	4.784
r_angle_refined_deg	1.296
r_angle_other_deg	1.008
r_chiral_restr	0.066
r_bond_refined_d	0.009
r_gen_planes_refined	0.007
r_gen_planes_other	0.006
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3300
Nucleic Acid Atoms
Solvent Atoms	495
Heterogen Atoms	189

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
MOLREP	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 R01GM133198.