3IR0

Crystal Structure of Human Insulin complexed with Cu+2 metal ion

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.8	293	0.2M Sodium citrate, 1M Ammonium sulphate, 0.1M Copper chloride, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.89	35.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.559	α = 90
b = 81.559	β = 90
c = 68.825	γ = 120

Symmetry
Space Group	P 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	MAR scanner 345 mm plate	Mirrors	2009-01-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	1.54

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.2	30	99.8	0.0649	0.0567	3.3	5.41		24706			28.26

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.2	2.3	99.1		0.2311	0.2022	1.1	5.01	65208

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	1MSO	2.2	26.7	24706	1286	99.9	0.26945	0.26797	0.29882	RANDOM	26.186

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]
-0.21	-0.11		-0.21		0.32

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.15
r_dihedral_angle_3_deg	21.093
r_dihedral_angle_4_deg	18.834
r_dihedral_angle_1_deg	8.33
r_scangle_it	3.805
r_scbond_it	2.779
r_angle_refined_deg	1.826
r_mcangle_it	1.744
r_mcbond_it	1.12
r_symmetry_vdw_refined	0.348
r_symmetry_hbond_refined	0.311
r_nbtor_refined	0.309
r_nbd_refined	0.272
r_xyhbond_nbd_refined	0.241
r_chiral_restr	0.123
r_bond_refined_d	0.019
r_metal_ion_refined	0.015
r_symmetry_metal_ion_refined	0.009
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4821
Nucleic Acid Atoms
Solvent Atoms	310
Heterogen Atoms	12

Software

Software
Software Name	Purpose
MAR345dtb	data collection
AMoRE	phasing
REFMAC	refinement
AUTOMAR	data reduction
SCALEPACK	data scaling