3E5M

Crystal structure of the HSCARG Y81A mutant

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	277	3% MPD, 10mM potassium chloride, 0.1M sodium Hepes, 1.86M ammonium sulfate, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.64	53.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.956	α = 90
b = 89.036	β = 88.23
c = 84.182	γ = 90

Symmetry
Space Group	P 1 21 1

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	BRUKER SMART 6000		2008-05-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR591	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.2	60					22513		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	MOLECULAR REPLACEMENT	THROUGHOUT	2EXX	2.7	20	17638	892	97.09	0.26081	0.26022	0.27267	RANDOM	17.867

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]
-1.41		-0.7	0.2		1.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.447
r_dihedral_angle_3_deg	22.578
r_dihedral_angle_4_deg	18.635
r_dihedral_angle_1_deg	10.811
r_scangle_it	3.667
r_scbond_it	2.78
r_mcangle_it	2.144
r_angle_refined_deg	2.043
r_mcbond_it	1.523
r_chiral_restr	0.455
r_nbtor_refined	0.325
r_nbd_refined	0.283
r_xyhbond_nbd_refined	0.281
r_symmetry_vdw_refined	0.242
r_symmetry_hbond_refined	0.15
r_bond_refined_d	0.024
r_gen_planes_refined	0.01
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4605
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MOLREP	phasing