6LOW

crystal structure of alpha-momorcharin in complex with GMP

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	0.2 M Magnesium Acetate, 20% PEG 8000, 0.1 M Sodium cacodylate, pH 6.5

Crystal Properties
Matthews coefficient	Solvent content
1.92	36.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 130.92	α = 90
b = 130.92	β = 90
c = 36.832	γ = 120

Symmetry
Space Group	H 3

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	MARMOSAIC 300 mm CCD		2007-12-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.0	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	1.39	50	95	0.069	0.993	11.7	3.3		45100

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.39	1.44			0.797	0.747	2.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1F8Q	1.39	23.927	45100	2265	94.943	0.185	0.1833	0.2096	22.826

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]
-0.447	-0.223		-0.447		1.449

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.591
r_dihedral_angle_4_deg	21.543
r_dihedral_angle_3_deg	12.191
r_dihedral_angle_1_deg	5.871
r_lrange_it	4.713
r_lrange_other	4.712
r_scangle_it	3.349
r_scangle_other	3.348
r_scbond_other	2.178
r_scbond_it	2.177
r_mcangle_it	1.761
r_mcangle_other	1.761
r_angle_refined_deg	1.725
r_angle_other_deg	1.516
r_mcbond_it	1.209
r_mcbond_other	1.201
r_nbd_refined	0.216
r_symmetry_nbd_other	0.177
r_nbtor_refined	0.173
r_nbd_other	0.162
r_xyhbond_nbd_refined	0.113
r_chiral_restr	0.086
r_symmetry_nbtor_other	0.081
r_symmetry_nbd_refined	0.078
r_symmetry_xyhbond_nbd_refined	0.078
r_bond_refined_d	0.011
r_gen_planes_refined	0.009
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1932
Nucleic Acid Atoms
Solvent Atoms	204
Heterogen Atoms	38

Software

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