2H6V

Spectroscopic and structural study of the heterotropic linkage between halide and proton ion binding to GFP proteins- E2(GFP) APO FORM

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5		14% (w/v) PEG3350, 100 mM NH4 acetate pH 5.0, 0.2 M NH4F, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 100K

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.133	α = 90
b = 62.85	β = 90
c = 69.631	γ = 90

Symmetry
Space Group	P 21 21 21

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				M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1		ESRF	ID14-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.47	46.7	75	0.072	0.072	5.6	7		38294		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.47	1.54	95		0.156	0.156	4.1	4.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	1.47	46.62	2	36275	1926	97.32	0.16017	0.15882	0.18692	RANDOM	8.949

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]
-0.03			-0.23		0.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.036
r_dihedral_angle_4_deg	17.01
r_dihedral_angle_3_deg	12.082
r_dihedral_angle_1_deg	6.401
r_scangle_it	2.629
r_scbond_it	1.686
r_angle_refined_deg	1.35
r_angle_other_deg	1.282
r_mcangle_it	1.017
r_mcbond_it	0.506
r_nbd_refined	0.273
r_metal_ion_refined	0.268
r_symmetry_vdw_other	0.197
r_nbd_other	0.195
r_nbtor_refined	0.175
r_xyhbond_nbd_refined	0.113
r_mcbond_other	0.107
r_symmetry_hbond_refined	0.106
r_symmetry_vdw_refined	0.094
r_nbtor_other	0.084
r_chiral_restr	0.072
r_bond_refined_d	0.006
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1881
Nucleic Acid Atoms
Solvent Atoms	266
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
MOSFLM	data reduction
MOLREP	phasing