2NZO

Crystal structure of a secretion chaperone CsaA from Bacillus subtilis in the space group P 32 2 1

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		294	0.1 M Potassium dihydrogen phosphate, 12% PEG 4000, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
3.52	65.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 148.432	α = 90
b = 148.432	β = 90
c = 54.054	γ = 120

Symmetry
Space Group	P 32 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	102	IMAGE PLATE	RIGAKU RAXIS IV	VariMax Cu HF	2006-05-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54178

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	28.05	98.6	0.044	20.4	4.58	47258	45675		5

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	97		0.31	4.6	4.25	4438

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 1GD7	2	28.05	45674	45674	2311	98.53	0.192	0.192	0.19	0.23	RANDOM	18.691

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]
0.7	0.35		0.7		-1.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.857
r_dihedral_angle_4_deg	23.347
r_dihedral_angle_3_deg	16.635
r_dihedral_angle_1_deg	6.969
r_scangle_it	3.968
r_scbond_it	2.409
r_angle_refined_deg	1.777
r_mcangle_it	1.254
r_mcbond_it	0.783
r_nbtor_refined	0.309

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.857
r_dihedral_angle_4_deg	23.347
r_dihedral_angle_3_deg	16.635
r_dihedral_angle_1_deg	6.969
r_scangle_it	3.968
r_scbond_it	2.409
r_angle_refined_deg	1.777
r_mcangle_it	1.254
r_mcbond_it	0.783
r_nbtor_refined	0.309
r_xyhbond_nbd_refined	0.286
r_symmetry_hbond_refined	0.225
r_nbd_refined	0.204
r_symmetry_vdw_refined	0.19
r_chiral_restr	0.128
r_bond_refined_d	0.019
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3306
Nucleic Acid Atoms
Solvent Atoms	282
Heterogen Atoms	36

Software

Software
Software Name	Purpose
d*TREK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
CrystalClear	data reduction
CrystalClear	data scaling
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.