2G4M

Insulin collected at 2.0 A wavelength

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
3.45	64.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.27	α = 90
b = 78.27	β = 90
c = 78.27	γ = 90

Symmetry
Space Group	I 21 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	CCD	MARRESEARCH		2005-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X12	2.00	EMBL/DESY, HAMBURG	X12

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.8	30					7537

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	FOURIER SYNTHESIS	THROUGHOUT	1.8	30	7364	173	99.85	0.1677	0.16651	0.22295	RANDOM	25.011

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.357
r_dihedral_angle_3_deg	13.153
r_dihedral_angle_1_deg	6.061
r_scangle_it	5.645
r_scbond_it	4.866
r_dihedral_angle_4_deg	4.127
r_mcangle_it	2.56
r_mcbond_it	2.006
r_angle_refined_deg	1.777
r_angle_other_deg	0.905
r_symmetry_hbond_refined	0.398
r_mcbond_other	0.303
r_symmetry_vdw_other	0.237
r_xyhbond_nbd_refined	0.231
r_symmetry_vdw_refined	0.206
r_nbd_refined	0.2
r_nbtor_refined	0.195
r_nbd_other	0.181
r_chiral_restr	0.119
r_nbtor_other	0.092
r_bond_refined_d	0.025
r_gen_planes_refined	0.007
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	403
Nucleic Acid Atoms
Solvent Atoms	61
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
CCP4	data scaling
FFT	phasing