3I6S

Crystal Structure of the plant subtilisin-like protease SBT3

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.4	277	100 mM Bicine, 2.0 M NaCl, 10% (w/v) PEG 6000, 10 mM hexamminecobalt(III) chloride, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.63	66.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 143.89	α = 90
b = 143.89	β = 90
c = 195.14	γ = 90

Symmetry
Space Group	P 43 21 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	MARMOSAIC 225 mm CCD		2007-06-30	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	MARMOSAIC 225 mm CCD		2008-05-25	M	SINGLE WAVELENGTH
3	1	x-ray	100	IMAGE PLATE	MAR scanner 345 mm plate		2007-08-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	1.5	SLS	X10SA
2	SYNCHROTRON	SLS BEAMLINE X10SA	1.008	SLS	X10SA
3	ROTATING ANODE	RIGAKU	1.541

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	2.5	20	99.7	0.112	12.13	7.5	135407	71081	-6	-3

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)
	2.5	3	99.9		0.424	5.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MIRAS	THROUGHOUT	2.5	19.99	67526	3554	100	0.25032	0.2486	0.28262	RANDOM	50.096

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]
-1.9			-1.9		3.8

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.032
r_dihedral_angle_4_deg	16.168
r_dihedral_angle_3_deg	16.118
r_dihedral_angle_1_deg	5.42
r_scangle_it	2.076
r_scbond_it	1.224
r_angle_refined_deg	1.162
r_mcangle_it	0.864
r_mcbond_it	0.458
r_chiral_restr	0.09
r_gen_planes_refined	0.011
r_bond_refined_d	0.01
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
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_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9666
Nucleic Acid Atoms
Solvent Atoms	502
Heterogen Atoms	204

Software

Software
Software Name	Purpose
XSCALE	data scaling
SOLVE	phasing
RESOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction