4QNU

Crystal structure of CmoB bound with Cx-SAM in P21212

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	0.1M HEPES:NaOH pH 7.5, 0.2M MgCl2, 30% (v/v) PEG400, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.22	61.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 184.803	α = 90
b = 347.551	β = 90
c = 59.415	γ = 90

Symmetry
Space Group	P 21 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		2012-02-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	1.075	NSLS	X29A

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	2.58	50	85.1	0.125	8.8	2.8	118227	100578

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	2.58	2.62	87.1		0.739	2	3.1

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.6	43.91	95523	5047	84	0.22284	0.22107	0.256	RANDOM	46.483

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]
-0.13			-2.07		2.2

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.182
r_dihedral_angle_4_deg	20.416
r_dihedral_angle_3_deg	14.748
r_long_range_B_refined	9.449
r_long_range_B_other	9.449
r_dihedral_angle_1_deg	7.396
r_scangle_other	7.394
r_mcangle_it	6.687
r_mcangle_other	6.686
r_scbond_it	5.092
r_scbond_other	5.03
r_mcbond_it	4.601
r_mcbond_other	4.601
r_angle_refined_deg	1.286
r_angle_other_deg	0.998
r_chiral_restr	0.067
r_gen_planes_refined	0.011
r_bond_refined_d	0.009
r_gen_planes_other	0.009
r_bond_other_d	0.005
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	20633
Nucleic Acid Atoms
Solvent Atoms	339
Heterogen Atoms	290

Software

Software
Software Name	Purpose
CBASS	data collection
MOLREP	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling