Experiment: 1EV3

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	SLOW COOLING	8.5	298	30 mg insulin, 3.0 ml of 0.02 M HCl, 0.3 ml of 0.15 M Zinc Acetate, 1.5 ml of 0.2 M Sodium Citrate, 1.2 ml of 2.5% m-cresol in acetone, 0.36 gm sodium chloride, pH 8.5, SLOW COOLING, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.866	α = 90
b = 78.866	β = 90
c = 39.465	γ = 120

Symmetry
Space Group	H 3

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	OSMIC CONFOCAL MIRRORS	2000-01-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	1.7	19.72	92.8	0.047	60.6	6.9	9334	9334			30.6

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	1.78	1.83	82.6		0.173	10	3

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		THROUGHOUT	1.78	19.72	8552	8552	885	97.3	0.2	0.2	0.2	0.266	Random	33.2

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]
-0.96	0.73		-0.96		1.92

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	20.3
c_scangle_it	3.41
c_mcangle_it	2.72
c_scbond_it	2.36
c_mcbond_it	1.78
c_angle_deg	1.37
c_improper_angle_d	0.9
c_bond_d	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	755
Nucleic Acid Atoms
Solvent Atoms	88
Heterogen Atoms	28

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
CNS	refinement
CNS	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.