1O8O

The active site of the molybdenum cofactor biosynthetic protein domain Cnx1G

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		1.4 M SODIUM ACETATE, 0.1 M SODIUM CACODYLATE, PH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.8	56.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 122.263	α = 90
b = 122.263	β = 90
c = 174.623	γ = 90

Symmetry
Space Group	I 41 2 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	IMAGE PLATE	RIGAKU IMAGE PLATE	OSMIX MIRROR	2001-07-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	2.7	26.57	99.9	0.031	17.7	2.7		18549

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	2.7	2.85	100		0.112	6.7	5.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MAD	THROUGHOUT	PDB ENTRY 1EAV	2.7	100	17581	949	99.8	0.2	0.198	0.243	RANDOM	46.93

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]
-0.11			-0.11		0.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.031
r_scangle_it	4.06
r_scbond_it	2.115
r_mcangle_it	1.519
r_angle_refined_deg	1.374
r_angle_other_deg	0.925
r_mcbond_it	0.764
r_symmetry_vdw_other	0.342
r_symmetry_hbond_refined	0.247
r_nbd_other	0.246
r_nbd_refined	0.216
r_symmetry_vdw_refined	0.16
r_xyhbond_nbd_refined	0.127
r_nbtor_other	0.084
r_chiral_restr	0.068
r_bond_refined_d	0.013
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3591
Nucleic Acid Atoms
Solvent Atoms	64
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing