1MSO

T6 Human Insulin at 1.0 A Resolution

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4INS	PDB Entry 4ins

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	SLOW COOLING	6.3	298	0.001 M HCl, 0.007 M Zinc Acetate, 0.05 M Sodium Citrate, 17% acetone, pH 6.3, SLOW COOLING at 298K, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
1.84	33.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.286	α = 90
b = 81.286	β = 90
c = 33.714	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	120	CCD	BRUKER SMART 2000		1997-11-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

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	30.4	91.7	0.0491	11	1.8	41170	41170			7.42

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	1.02	75		0.369	2.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB Entry 4ins	1	30.4	41170	41170	4194	91.8	0.183	0.183	0.183	0.201	Random	12.4

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	0.54		0.89		-1.78

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	20.8
c_scangle_it	3.892
c_scbond_it	3.842
c_mcangle_it	2.387
c_angle_deg	2.2
c_mcbond_it	1.928
c_improper_angle_d	1.1
c_bond_d	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	804
Nucleic Acid Atoms
Solvent Atoms	226
Heterogen Atoms	2

Software

Software
Software Name	Purpose
SORTAV	data reduction
CNS	refinement
SMART	data reduction
SORTAV	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.