4HRD

Crystal structure of yeast 20S proteasome in complex with the natural product carmaphycin A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5	297	30 mM of magnesium acetate, 100 mM of MES (pH 7.2) and 12% of MPD, vapor diffusion, temperature 297K

Crystal Properties
Matthews coefficient	Solvent content
3.83	67.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 134.62	α = 90
b = 300.28	β = 112.49
c = 144.57	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	PIXEL	PSI PILATUS 6M		2012-06-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA		SLS	X06SA

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	2.8	49.59	98	0.103	7.94			254447		-3	56.13

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	2.8	2.9	99.1		0.481	2.61

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	2.8	49.59	254440	12672	98.1	0.206	0.204	0.239	RANDOM	62.84

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]
3.56		-1.72	-7.79		2.91

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.842
r_dihedral_angle_3_deg	15.486
r_dihedral_angle_4_deg	13.68
r_dihedral_angle_1_deg	4.919
r_angle_refined_deg	0.949
r_scangle_it	0.768
r_scbond_it	0.425
r_mcangle_it	0.291
r_mcbond_it	0.148
r_chiral_restr	0.062
r_bond_refined_d	0.006
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	49538
Nucleic Acid Atoms
Solvent Atoms	954
Heterogen Atoms	210

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction