3BBA

Structure of active wild-type Prevotella intermedia interpain A cysteine protease

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	293	28% PEG 4000, 0.2M magnesium chloride, 30% xylitol, 0.1M Tris HCl, pH8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.13	60.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 129.241	α = 90
b = 129.241	β = 90
c = 81.97	γ = 90

Symmetry
Space Group	P 41 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	ADSC QUANTUM 315		2006-09-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.9760	ESRF	ID29

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	3.2	47.25	99	0.329	6.2	7.9	13017	13017		1.5	46.8

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	3.2	3.4	98.2		0.897	1.9	7.9

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-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3BB7	3.2	47.25	11333	11333	570	99.72	0.20977	0.20977	0.20725	0.26117	RANDOM	56.898

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]
3.01			3.01		-6.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.599
r_dihedral_angle_3_deg	17.952
r_dihedral_angle_4_deg	13.252
r_dihedral_angle_1_deg	6.34
r_angle_refined_deg	1.31
r_scangle_it	0.995
r_angle_other_deg	0.885
r_scbond_it	0.654
r_mcangle_it	0.378
r_mcbond_it	0.277
r_nbd_refined	0.222
r_symmetry_vdw_refined	0.201
r_nbtor_refined	0.197
r_nbd_other	0.191
r_symmetry_vdw_other	0.178
r_xyhbond_nbd_refined	0.162
r_nbtor_other	0.089
r_chiral_restr	0.069
r_mcbond_other	0.058
r_xyhbond_nbd_other	0.041
r_bond_refined_d	0.012
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3797
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing