3BQH

Structure of the central domain (MsrA) of Neisseria meningitidis PilB (oxidized form)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	microbatch-under-oil	4.6	293	1 volume of 30% PEG 4000, 0.2M Ammonium Sulfate,0.1M Na Acetate pH 4.6, mixed with 1 volume of 50mM TRIS HCl, 2mM EDTA pH 8, 10mg/mL protein priorly oxidized, microbatch-under-oil, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.56984	21.648073

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.5	α = 90
b = 47.6	β = 90
c = 66	γ = 90

Symmetry
Space Group	P 21 21 21

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	MAR CCD 130 mm		2003-05-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.89	ESRF	BM14

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	1.95	20	99.9	0.069	23.8	9.5	10464	10452			12.5

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	1.95	2.06	100		0.358	6.9	9.7	1496

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3BQE	1.95	19.3	10465	10360	513	99	0.193	0.218	RANDOM	29

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]
2.7			3.08		-5.79

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	23.8
c_scangle_it	3.37
c_mcangle_it	2.56
c_scbond_it	2.08
c_mcbond_it	1.92
c_angle_deg	1.2
c_improper_angle_d	0.65
c_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1303
Nucleic Acid Atoms
Solvent Atoms	76
Heterogen Atoms	4

Software

Software
Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
MxCuBE	data collection
XDS	data reduction
SCALA	data scaling
CNS	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.