4GPG

X/N joint refinement of Achromobacter Lyticus Protease I free form at pD8.0

X-RAY DIFFRACTION - NEUTRON DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8	297	20% w/v PEG 3350, 10mM Tris, HCl pH 8.0, 50% PEG 3350, HCl pD 8.0, VAPOR DIFFUSION, temperature 297K

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.574	α = 64.82
b = 40.785	β = 66.1
c = 43.98	γ = 73.42

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	neutron	297	IMAGE PLATE		BIX-4, SILICON	2007-06-12	M	SINGLE WAVELENGTH
2	1	x-ray	297	IMAGE PLATE	MAC Science DIP-2000	double mirror	2007-05-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	NUCLEAR REACTOR	JRR-3M BEAMLINE 1G-C	2.6	JRR-3M	1G-C
2	ROTATING ANODE	MACSCIENCE M06X	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	R Split (All)	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	1.98	50	89.4	0.161						4.87			11000
2	1.895	50	89.4	0.078						17.38			16128

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	R Split (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
2	1.88	1.95		0.198						5.95
2	1.95	2.03		0.17						7.2
2	2.03	2.12		0.135						9.3
2	2.12	2.23		0.121						10.5
2	2.23	2.37		0.112						11.6
2	2.37	2.55		0.099						13
2	2.55	2.81		0.086						15.3
2	2.81	3.21		0.075						17.8
2	3.21	4.05		0.062						23
2	4.05	80		0.062						23.3
2	2	2.07		0.319						2.5
2	2.07	2.15		0.342						2.9
2	2.15	2.25		0.33						3.2
2	2.25	2.37		0.329						2.9
2	2.37	2.52		0.288						3.3
2	2.52	2.71		0.289						3.7
2	2.71	2.99		0.247						4.5
2	2.99	3.42		0.18						6.7
2	3.42	4.31		0.139						9.7
2	4.31	50		0.124						10.7
1	2	2.07		0.319						2.51

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		1.895	20.358		2.08		16081	800	89.99		0.1493	0.1466	0.2028
NEUTRON DIFFRACTION		1.979	37.61				10998	554	69.97		0.1984	0.1952	0.2595

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]
-2.3375	1.7676	2.5966	4.4118	-2.9931	-2.0743
-0.058	-1.3327	0.8508	-1.2985	0.8387	-3.4569

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.315
f_angle_d	1.473
f_chiral_restr	0.096
f_bond_d	0.011
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1920
Nucleic Acid Atoms
Solvent Atoms	140
Heterogen Atoms

Software

Software
Software Name	Purpose
MacScience	data collection
PHENIX	refinement
DENZO	data reduction
SCALEPACK	data scaling