4OUH

Crystal structure of the FP domain of Human PI31 Proteasome Inhibitor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	298	PEG 8000, NaAc, KBr, pH 5.0, vapor diffusion, hanging drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.83	α = 90
b = 97.67	β = 90
c = 108.22	γ = 90

Symmetry
Space Group	P 21 21 21

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			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	0.97872	APS	21-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	31.176					42700

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2	31.176	1.34	42700	2000	99.58	0.1887	0.1864	0.2385	28.92

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	12.989
f_angle_d	0.877
f_chiral_restr	0.063
f_bond_d	0.004
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4648
Nucleic Acid Atoms
Solvent Atoms	494
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction