Experiment: 3BQG

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

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3BQE	PDB ENTRY 3BQE

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	microbatch-under-oil	8	293	1 volume of 30% PEG 1500, mixed with 1 volume of 50mM TRIS HCl, 2mM EDTA pH 8, 31mg/mL protein, crystal soaking with 300mM dimethyl-sulfoxide, microbatch-under-oil, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.8	31.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.56	α = 90
b = 54.61	β = 90
c = 64.82	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 165 mm	Bent mirror	2006-04-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM30A	0.92	ESRF	BM30A

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	45	100	0.082	15.8	7.1	11186	11186			13.9

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	2.11	100		0.366	5.6	7.2	1608

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3BQE	2	41.76	11202	10911	528	97.4	0.195	0.1953	0.24	0.2405	RANDOM	25

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]
0.04			0.25		-0.29

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.2
c_scangle_it	2.84
c_scbond_it	1.95
c_mcangle_it	1.93
c_angle_deg	1.2
c_mcbond_it	1.2
c_improper_angle_d	0.7
c_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1338
Nucleic Acid Atoms
Solvent Atoms	123
Heterogen Atoms

Software

Software
Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
Xnemo	data collection
XDS	data reduction
SCALA	data scaling
CNS	phasing