2G98

human gamma-D-crystallin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				Several crystals, ~0.15 x 0.15 x 0.5 mm from the lens tissue extract were transferred to PBS buffer with 25% (v/v) glycerol and flash cooled in 100 K nitrogen stream for measurements.

Crystal Properties
Matthews coefficient	Solvent content
2.87	57.12

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.375	α = 90
b = 81.778	β = 90
c = 106.279	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				1999-06-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-3		ESRF	ID14-3

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	2.2	29.62	99.6	0.062				21417

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	2.2				0.23

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	pdb entry 1ELP	2.2	27.9	21417	21414	1153	100	0.20034	0.1973	0.25735	RANDOM	50.492

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]
-0.07			0.14		-0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.202
r_dihedral_angle_3_deg	21.269
r_dihedral_angle_4_deg	19.348
r_dihedral_angle_1_deg	8.077
r_scangle_it	4.981
r_scbond_it	3.915
r_angle_refined_deg	2.687
r_mcangle_it	2.194
r_mcbond_it	1.736
r_angle_other_deg	1.52
r_mcbond_other	0.64
r_nbd_refined	0.3
r_symmetry_vdw_other	0.269
r_nbd_other	0.246
r_xyhbond_nbd_refined	0.242
r_xyhbond_nbd_other	0.238
r_nbtor_refined	0.206
r_chiral_restr	0.19
r_symmetry_hbond_refined	0.135
r_nbtor_other	0.113
r_symmetry_vdw_refined	0.072
r_bond_refined_d	0.037
r_gen_planes_refined	0.014
r_bond_other_d	0.01
r_gen_planes_other	0.009
r_metal_ion_refined
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	2767
Nucleic Acid Atoms
Solvent Atoms	152
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
EPMR	phasing