2FWT

Crystal structure of DHC purified from Rhodobacter sphaeroides

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	298	20% PEG 3000, 0.2M ammonium acetate, 0.1M MES pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.91	57.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.79	α = 90
b = 72.79	β = 90
c = 51.484	γ = 120

Symmetry
Space Group	P 31 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	ADSC QUANTUM 4		2001-09-01	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM30A	0.9, 1.74	ESRF	BM30A

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	1.85	30	95.2	0.068	11.4	4.2	13408	13408

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)
	1.85	1.95	94.3		0.342	2.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	1.85	20	12739	12739	659	100	0.1519	0.1519	0.14987	0.19272	RANDOM	19.946

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]
0.77	0.38		0.77		-1.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.245
r_dihedral_angle_4_deg	23.026
r_dihedral_angle_3_deg	13.528
r_sphericity_free	6.475
r_dihedral_angle_1_deg	5.107
r_scangle_it	3.344
r_scbond_it	2.56
r_mcangle_it	1.998
r_sphericity_bonded	1.776
r_rigid_bond_restr	1.766
r_angle_refined_deg	1.594
r_mcbond_it	1.555
r_angle_other_deg	0.958
r_mcbond_other	0.437
r_nbd_refined	0.319
r_symmetry_vdw_other	0.318
r_symmetry_hbond_refined	0.208
r_nbd_other	0.187
r_nbtor_refined	0.176
r_chiral_restr	0.12
r_xyhbond_nbd_refined	0.117
r_nbtor_other	0.092
r_symmetry_vdw_refined	0.065
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	823
Nucleic Acid Atoms
Solvent Atoms	115
Heterogen Atoms	86

Software

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