2Z2Z

Crystal structure of unautoprocessed form of Tk-subtilisin soaked by 10mM CaCl2

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	277	4.0M Sodium Formate, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.658	α = 90
b = 124.173	β = 90
c = 72.314	γ = 90

Symmetry
Space Group	I 2 2 2

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		2006-10-20	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	1.87	50	99.9	0.042	45			34961

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	1.87	1.93	99.9		0.188	7.4

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 2E1P	1.87	46.33	33178	1752	99.6	0.17155	0.16941	0.21191	RANDOM	19.491

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_3_deg	17.847
r_scangle_it	5.437
r_dihedral_angle_1_deg	5.351
r_scbond_it	3.585
r_mcangle_it	2.366
r_angle_refined_deg	2.279
r_mcbond_it	1.429
r_angle_other_deg	1.057
r_symmetry_hbond_refined	0.477
r_symmetry_vdw_other	0.332
r_symmetry_vdw_refined	0.25
r_nbd_refined	0.247
r_chiral_restr	0.241
r_nbd_other	0.227
r_xyhbond_nbd_refined	0.219
r_metal_ion_refined	0.213
r_bond_refined_d	0.029
r_gen_planes_refined	0.011
r_gen_planes_other	0.003
r_xyhbond_nbd_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2861
Nucleic Acid Atoms
Solvent Atoms	410
Heterogen Atoms	7

Software

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