Experiment: 3D31

ModBC from Methanosarcina acetivorans

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8	293.15	18% (w/v) PEG 3350, 200mM magnesium formate, 50mM Tris-HCl pH 8.0, VAPOR DIFFUSION, temperature 293.15K

Crystal Properties
Matthews coefficient	Solvent content
4.68	73.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.84	α = 90
b = 139.46	β = 90
c = 207.33	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	293.15	PIXEL	PSI PILATUS 6M		2007-09-16	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	0.9537, 0.9789, 1.2143, 1.2147	SLS	X06SA

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	3	30	77.8	0.14	0.14	14.4	19.6	54491	42405

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	3

Refinement

Statistics
Diffraction ID	Structure Solution Method	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 Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	3	30	54491	42405	2993	99.6	0.251	0.2604	0.282	RANDOM

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]

RMS Deviations
Key	Refinement Restraint Deviation
c_angle_deg	1.607
c_bond_d	0.0093

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9310
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	10

Software

Software
Software Name	Purpose
XDS	data scaling
SHELX	model building
CNS	refinement
XDS	data reduction
SHELX	phasing