4Y8Q

Yeast 20S proteasome beta7-delta7_Cter mutant in complex with Ac-PAY-ep

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.8	293	20 mM MgAC2, 13% MPD, 0.1 M MES

Crystal Properties
Matthews coefficient	Solvent content
3.67	66.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 136.78	α = 90
b = 300.56	β = 113.32
c = 145.55	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		2014-04-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	1.0	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	2.6	50	97.5	0.067	10.9	2.9	321686	321686

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	2.6	2.7	99.1		0.534	2

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1RYP	2.6	15	305601	16085	97.64	0.20744	0.20634	0.22834	RANDOM	64.858

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]
3.47		-0.04	-6.14		1.96

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.411
r_sphericity_free	31.808
r_dihedral_angle_3_deg	14.734
r_dihedral_angle_4_deg	14.683
r_dihedral_angle_1_deg	5.148
r_sphericity_bonded	5.061
r_long_range_B_refined	2.935
r_long_range_B_other	2.866
r_mcangle_it	2.45
r_mcangle_other	2.45
r_scangle_other	2.119
r_mcbond_it	1.896
r_mcbond_other	1.896
r_scbond_it	1.82
r_scbond_other	1.82
r_rigid_bond_restr	1.468
r_angle_refined_deg	0.883
r_angle_other_deg	0.714
r_chiral_restr	0.051
r_bond_refined_d	0.005
r_gen_planes_refined	0.002
r_bond_other_d	0.001
r_gen_planes_other	0.001
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_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	49128
Nucleic Acid Atoms
Solvent Atoms	655
Heterogen Atoms	157

Software

Software
Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
REFMAC	phasing
REFMAC	refinement