4CXN

Crystal structure of human insulin analogue (NMe-AlaB8)-insulin crystal form I

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1MSO	PDB ENTRY 1MSO

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8		0.1 M TRIS/HCL PH 8.0, 0.2 M SODIUM CITRATE, 40% V/V MPD, PROTEIN IN 20 MM HCL AT 7 MG/ML

Crystal Properties
Matthews coefficient	Solvent content
3.7	67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.17	α = 90
b = 79.17	β = 90
c = 79.17	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	PIXEL	DECTRIS PILATUS 6M		2012-12-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02		Diamond	I02

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	56	100	0.04	36.1	19.4		9334

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	1.74	100		0.77	4.4	20.2

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	PDB ENTRY 1MSO	1.7	55.98	8872	444	99.96	0.17462	0.17301	0.20918	RANDOM	34.131

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	39.856
r_dihedral_angle_3_deg	12.405
r_dihedral_angle_4_deg	8.653
r_dihedral_angle_1_deg	6.447
r_scbond_it	5.56
r_mcangle_it	5.116
r_mcbond_it	3.64
r_mcbond_other	3.328
r_angle_other_deg	2.443
r_angle_refined_deg	2.175
r_chiral_restr	0.166
r_bond_refined_d	0.03
r_gen_planes_other	0.015
r_gen_planes_refined	0.011
r_bond_other_d	0.003
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	399
Nucleic Acid Atoms
Solvent Atoms	39
Heterogen Atoms

Software

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