3EZX

Structure of Methanosarcina barkeri monomethylamine corrinoid protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	PEG 8000, Magnesium acetate, Sodium cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.89	57.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.97	α = 90
b = 77.71	β = 90
c = 100.36	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	93	CCD	ADSC QUANTUM 4	Double crystal monochromator	2004-01-01	M	MAD
2	1	x-ray	93	CCD	ADSC QUANTUM 4	Double crystal monochromator	2004-01-01
3	1	x-ray	93	CCD	ADSC QUANTUM 4	Double crystal monochromator	2004-01-01

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	1.60296	SSRL	BL9-2
2	SYNCHROTRON	SSRL BEAMLINE BL9-2	1.333117	SSRL	BL9-2
3	SYNCHROTRON	SSRL BEAMLINE BL9-2	1.605839	SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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
1,2,3	2.56	50	95.3	0.054	16.2	2.8	44512	15833			28.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.56	2.65	75.9		0.198	3.8	2.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	2.56	45.58	15144	1436	91.4	0.205	0.205	0.262	RANDOM	46.6

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]
19.79			-10.78		-9.01

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	19.3
c_scangle_it	10.55
c_scbond_it	8.54
c_mcangle_it	7.25
c_improper_angle_d	7.09
c_mcbond_it	5.23
c_angle_deg	1.3
c_bond_d	0.008
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1578
Nucleic Acid Atoms
Solvent Atoms	95
Heterogen Atoms	91

Software

Software
Software Name	Purpose
ADSC	data collection
SOLVE	phasing
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling