3IG4

Structure of a putative aminopeptidase P from Bacillus anthracis

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	295	2M ammonium sulfate, 5% isopropanol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
3.52	65.04

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 180.88	α = 90
b = 180.88	β = 90
c = 254.78	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	110	CCD	MARMOSAIC 300 mm CCD	beryllium lense	2009-06-08	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	2.89	50	99.8	0.125	19	12.7		94533	1.6	2.7

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	2.89	3	99		0.88	2.7	10.1	8934

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	2.89	44.4	94923	94533	4743	99.61	0.199	0.199	0.198	0.226	RANDOM	46.921

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]
-0.19			-0.19		0.38

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.363
r_dihedral_angle_4_deg	16.389
r_dihedral_angle_3_deg	14.653
r_scangle_it	7.833
r_dihedral_angle_1_deg	4.694
r_scbond_it	4.597
r_mcangle_it	2.839
r_mcbond_it	1.37
r_angle_refined_deg	0.946
r_chiral_restr	0.065

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.363
r_dihedral_angle_4_deg	16.389
r_dihedral_angle_3_deg	14.653
r_scangle_it	7.833
r_dihedral_angle_1_deg	4.694
r_scbond_it	4.597
r_mcangle_it	2.839
r_mcbond_it	1.37
r_angle_refined_deg	0.946
r_chiral_restr	0.065
r_bond_refined_d	0.008
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	20274
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	202

Software

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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.