Experiment: 3ROV

Insulin's biosynthesis and activity have opposing structural requirements: a new factor in neonatal diabetes mellitus

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.3	298	0.05 M sodium citrate, 1% phenol, 0.04% zinc acetate, pH 8.3, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.78	31.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.662	α = 90
b = 61.772	β = 105.5
c = 46.038	γ = 90

Symmetry
Space Group	P 1 21 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	IMAGE PLATE	RIGAKU RAXIS IV	Double crystal	2001-10-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

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	2.3	44.36	95.9	0.057	12.1	2.1	11056	10607			21.5

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	2.3	2.44	91.1		0.232	32.8	3	1431

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-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1ZNJ	2.3	44.36	11056	10280	1032	95.9	0.218	0.2197	0.307	0.307	Random	36.3

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]
0.28		-0.58	-0.38		0.1

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.2
c_improper_angle_d	3.79
c_angle_deg	1.4
c_angle_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2442
Nucleic Acid Atoms
Solvent Atoms	186
Heterogen Atoms	46

Software

Software
Software Name	Purpose
bioteX	data collection
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
CNS	phasing