Experiment: 3LNB

Crystal Structure Analysis of Arylamine N-acetyltransferase C from Bacillus anthracis

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1E2T

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION		294	1.8-1.9M Ammonium sulfate, 0.17M-0.2M potassium nitrate, VAPOR DIFFUSION, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
1.779778	30.890238

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.99	α = 90
b = 53.99	β = 90
c = 172.44	γ = 90

Symmetry
Space Group	P 41 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	100	CCD	ADSC QUANTUM 315r	mirrors	2008-11-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.92	ESRF	ID23-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	50	94	0.062	0.063	20.45	5.68	18116	17034		-3	24.85

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2	2.2	75.7		0.202	0.177	7.91	4.24	4366

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	1E2T	2.01	45.76	18116	17034	852	96	0.203	0.2029	0.244	0.2427	RANDOM	19.19

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]
-4.5			-4.5		9.01

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	23.1
c_scangle_it	2.56
c_scbond_it	1.8
c_mcangle_it	1.6
c_angle_deg	1.3
c_mcbond_it	1.08
c_improper_angle_d	0.84
c_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2055
Nucleic Acid Atoms
Solvent Atoms	137
Heterogen Atoms	54

Software

Software
Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
MxCuBE	data collection
XDS	data reduction
XSCALE	data scaling
CNS	phasing