4IX0

Computational Design of an Unnatural Amino Acid Metalloprotein with Atomic Level Accuracy

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION	6.5	298	1.6 M ammonium sulfate, 3% PEG3350, pH 6.5, EVAPORATION, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.21

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.573	α = 90
b = 62.79	β = 90
c = 92.709	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	98	IMAGE PLATE	RIGAKU RAXIS IV++	Varimax HR	2012-10-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.54

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	2.5	51.99	97.6	0.083	9.6	3.4	11274	10998		2	37.86

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	2.5	2.59	95.8		0.39		3.3	1037

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.5	51.99	10396	10396	526	96.91	0.2031	0.2031	0.20035	0.25699	RANDOM	33.488

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]
-0.05			0.26		-0.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.069
r_dihedral_angle_3_deg	21.206
r_dihedral_angle_4_deg	20.345
r_dihedral_angle_1_deg	7.523
r_scangle_it	5.534
r_scbond_it	3.302
r_mcangle_it	2.083
r_angle_refined_deg	2.081
r_mcbond_it	1.066
r_chiral_restr	0.132

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.069
r_dihedral_angle_3_deg	21.206
r_dihedral_angle_4_deg	20.345
r_dihedral_angle_1_deg	7.523
r_scangle_it	5.534
r_scbond_it	3.302
r_mcangle_it	2.083
r_angle_refined_deg	2.081
r_mcbond_it	1.066
r_chiral_restr	0.132
r_bond_refined_d	0.024
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1988
Nucleic Acid Atoms
Solvent Atoms	39
Heterogen Atoms	11

Software

Software
Software Name	Purpose
CrystalClear	data collection
PHASER	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

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.