4YGN

NaI--Interactions between Hofmeister Anions and the Binding Pocket of a Protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.8	277	100 mM Tris-Cl, 1.15 M sodium citrate, pH 7.8

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.341	α = 90
b = 41.336	β = 104.57
c = 72.837	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	PIXEL	DECTRIS PILATUS 6M		2014-06-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	1.1	NSLS	X25

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	1.23	50	82.4	29.7	2.6		59438

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.23	1.25	26.6		4	1.1

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		THROUGHOUT	1.23	50	59438	3163	87.96	0.17694	0.17525	0.20937	RANDOM	14.768

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]
0.15		-0.02	-0.23		0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.926
r_dihedral_angle_4_deg	24.994
r_sphericity_free	16.772
r_dihedral_angle_3_deg	12.37
r_rigid_bond_restr	9.615
r_sphericity_bonded	8.363
r_dihedral_angle_1_deg	6.764
r_scbond_it	4.003
r_scbond_other	4.002
r_scangle_other	3.949
r_long_range_B_refined	3.527
r_long_range_B_other	3.509
r_mcangle_other	2.427
r_mcangle_it	2.399
r_angle_refined_deg	2.164
r_mcbond_it	2.125
r_mcbond_other	1.994
r_angle_other_deg	1.099
r_chiral_restr	0.203
r_bond_refined_d	0.022
r_gen_planes_refined	0.013
r_bond_other_d	0.002
r_gen_planes_other	0.002
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2039
Nucleic Acid Atoms
Solvent Atoms	138
Heterogen Atoms	6

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling