3A3P

Crystal structure of complex between E201A/SA-subtilisin and Tk-propeptide

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	0.1M Sodium Cacodylate, 0.2M Zinc Acetate, 10%(v/v) isopropanol, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.95	36.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.038	α = 90
b = 68.15	β = 90
c = 73.772	γ = 90

Symmetry
Space Group	P 21 21 21

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	RIGAKU JUPITER 210		2008-10-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL38B1	1.0	SPring-8	BL38B1

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	1.9	50	98.9	0.186	12.8			26027

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	1.9	1.97	99.8		0.571	1.8

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	2Z30	1.9	26.98	24382	1302	98.43	0.17175	0.16935	0.21569	RANDOM	26.474

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	37.968
r_dihedral_angle_3_deg	17.001
r_dihedral_angle_4_deg	15.866
r_dihedral_angle_1_deg	5.892
r_scangle_it	3.623
r_scbond_it	2.433
r_angle_refined_deg	1.558
r_mcangle_it	1.439
r_mcbond_it	0.876
r_symmetry_vdw_refined	0.32
r_metal_ion_refined	0.313
r_nbtor_refined	0.31
r_symmetry_metal_ion_refined	0.237
r_nbd_refined	0.232
r_xyhbond_nbd_refined	0.191
r_symmetry_hbond_refined	0.168
r_chiral_restr	0.117
r_bond_refined_d	0.015
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2810
Nucleic Acid Atoms
Solvent Atoms	236
Heterogen Atoms	8

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing