2IPL

Crystal structure of a disulfide mutant glucose binding protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	290	0.1M HEPES, pH7.5, 20% PEG 1500, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 118.84	α = 90
b = 36.68	β = 124.03
c = 79.07	γ = 90

Symmetry
Space Group	C 1 2 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	MARRESEARCH		2006-07-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID		APS	22-ID

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	1.2	50	91.6	0.054	13.17		81424	81424		-3	16.267

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	1.3	72		0.262	3.7		13552

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2HPH	1.2	15	81403	81403	4070	100	0.168	0.168	0.167	0.191	RANDOM	11.115

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]
-0.17		0.31	0.97		-0.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.238
r_dihedral_angle_3_deg	11.568
r_dihedral_angle_4_deg	9.987
r_dihedral_angle_1_deg	5.454
r_sphericity_free	3.631
r_scangle_it	2.616
r_sphericity_bonded	2.19
r_scbond_it	1.831
r_mcangle_it	1.3
r_angle_refined_deg	1.196
r_rigid_bond_restr	0.948
r_mcbond_it	0.897
r_angle_other_deg	0.879
r_mcbond_other	0.379
r_nbd_refined	0.218
r_symmetry_vdw_refined	0.197
r_nbd_other	0.176
r_nbtor_refined	0.17
r_symmetry_hbond_refined	0.158
r_symmetry_vdw_other	0.147
r_xyhbond_nbd_refined	0.131
r_nbtor_other	0.083
r_metal_ion_refined	0.081
r_chiral_restr	0.078
r_bond_refined_d	0.007
r_gen_planes_refined	0.005
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2538
Nucleic Acid Atoms
Solvent Atoms	439
Heterogen Atoms	13

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
XDS	data reduction
AMoRE	phasing