3LAC | pdb_00003lac

Crystal structure of Bacillus anthracis pyrrolidone-carboxylate peptidase, pcP

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	20% PEG 3350, 1% PEG 5KMME, 200mM magnesium chloride, 100mM Tris pH 8.5, 0.5% Tacsimate, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.29	46.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.55	α = 90
b = 78.55	β = 90
c = 141.04	γ = 90

Symmetry
Space Group	P 43 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	110	CCD	MARMOSAIC 300 mm CCD	beryllium lens	2009-11-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97857	APS	21-ID-G

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	34.3	99	0.102	17.8	10.5	30826	30518	1.7	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)
1	2	2.07	93.8		0.526	3	8.2	3040

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2	34.3	3	30826	30484	1538	99	0.183	0.183	0.181	0.2073	0.223	0.2488	RANDOM	16.685

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]
0.09			0.09		-0.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.664
r_dihedral_angle_3_deg	14.745
r_dihedral_angle_4_deg	11.521
r_dihedral_angle_1_deg	10.606
r_scangle_it	6.279
r_scbond_it	4.2
r_mcangle_it	2.39
r_angle_refined_deg	1.646
r_mcbond_it	1.526
r_chiral_restr	0.118
r_bond_refined_d	0.015
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3154
Nucleic Acid Atoms
Solvent Atoms	287
Heterogen Atoms	65

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
BLU-MAX	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing