1QJ0

HUMAN INSULIN HEXAMERS WITH CHAIN B HIS MUTATED TO TYR

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.8		CRYSTALLISATION IN BATCH: 10 MG B5 TYR INSULIN DISSOLVED IN 2 ML 0.02M HCL. TO THIS ADDED 0.05 ML 0.15M ZINC ACETATE, 1.0 ML 0.2 M TRI-SODIUM CITRATE, 1.0 ML ACETONE. PH ADJUSTED TO 6.4-7.1 .

Crystal Properties
Matthews coefficient	Solvent content
2	39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.94	α = 90
b = 80.94	β = 90
c = 37.63	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	289	IMAGE PLATE	RIGAKU IMAGE PLATE			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	2.4	25.7	97	0.046		2.5		3477			30.9

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	2	2.1	92		0.132		2.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	T3R3 (NATIVE) INSULIN	2.4	25.7	3477	3477		97	0.199		20.1

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
p_staggered_tor	20.2
p_transverse_tor	15.6
p_planar_tor	5.1
p_scangle_it	3.4
p_mcangle_it	3.2
p_scbond_it	2.5
p_mcbond_it	2.3
p_multtor_nbd	0.279
p_chiral_restr	0.212
p_singtor_nbd	0.205
p_xyhbond_nbd	0.188
p_planar_d	0.058
p_angle_d	0.054
p_bond_d	0.021
p_plane_restr	0.021
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	795
Nucleic Acid Atoms
Solvent Atoms	28
Heterogen Atoms	3

Software

Software
Software Name	Purpose
PROLSQ	refinement
MOSFLM	data reduction
SCALA	data scaling