1S22 | pdb_00001s22

Absolute Stereochemistry of Ulapualide A

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1QZ6

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	Batch	6	293	100 mM MES, 15% methyl ether poly(ethylene glycol) 5000, 75 mM CaCl2, 1 mM sodium azide, 1 mM TCEP, pH 6.0, Batch, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.8	α = 90
b = 75.2	β = 100.2
c = 67.5	γ = 90

Symmetry
Space Group	P 1 21 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	CUSTOM-MADE		2003-04-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.964	APS	19-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	1.6	65.94	99.7	0.066	36.5	4.3	52947	52947			26.2

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)
	1.6	1.66	99.9		0.347	5.2

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1QZ6	1.6	65.94	52947	50233	2690	99.7	0.15338	0.15338	0.152	0.17	0.17903	0.19	RANDOM	16.76

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		-0.19	0.2		-0.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.547
r_scangle_it	4.092
r_scbond_it	2.486
r_angle_other_deg	1.732
r_angle_refined_deg	1.673
r_mcangle_it	1.484
r_mcbond_it	0.83
r_symmetry_vdw_other	0.371
r_symmetry_hbond_refined	0.261
r_nbd_other	0.249
r_nbd_refined	0.209
r_xyhbond_nbd_refined	0.169
r_nbtor_other	0.162
r_symmetry_vdw_refined	0.142
r_chiral_restr	0.101
r_metal_ion_refined	0.083
r_bond_refined_d	0.015
r_gen_planes_refined	0.009
r_gen_planes_other	0.008
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2783
Nucleic Acid Atoms
Solvent Atoms	387
Heterogen Atoms	90

Software

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