2OLZ

Structure of human insulin in presence of thiocyanate at pH 7.0

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	291	15mM Na-SCN, 5%(v/v) ethanol, 200mM phosphate buffer pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.6	α = 90
b = 60.8	β = 116.1
c = 62.1	γ = 90

Symmetry
Space Group	C 1 2 1

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	MARMOSAIC 225 mm CCD		2006-04-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I911-3	1.3	MAX II	I911-3

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	50	92.2	0.041	14.9	2.1		36828			26.8

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	1.7	1.75	48.4		0.122	5.1	1.5	4537

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	insulin R6 conformation	1.7	19.78	36828	33178	1745	94.83	0.18055	0.1784	0.22147	RANDOM	20.962

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]
0.01		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.458
r_dihedral_angle_3_deg	10.905
r_dihedral_angle_4_deg	7.71
r_dihedral_angle_1_deg	5.876
r_scangle_it	3.495
r_scbond_it	2.167
r_mcangle_it	1.501
r_angle_refined_deg	1.248
r_mcbond_it	0.809
r_nbtor_refined	0.306
r_nbd_refined	0.233
r_symmetry_vdw_refined	0.166
r_symmetry_hbond_refined	0.163
r_xyhbond_nbd_refined	0.152
r_metal_ion_refined	0.129
r_chiral_restr	0.097
r_bond_refined_d	0.011
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2354
Nucleic Acid Atoms
Solvent Atoms	313
Heterogen Atoms	62

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing