Experiment: 2FO5

Crystal structure of recombinant barley cysteine endoprotease B isoform 2 (EP-B2) in complex with leupeptin

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	1.4 M LiSO4 0.1 M HEPES, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.2	44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.37	α = 86.32
b = 51.73	β = 86.46
c = 115.655	γ = 79.63

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	113	CCD	ADSC QUANTUM 4		2005-10-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.115869	ALS	8.3.1

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	2.15	50	89.9	0.059	11.7	3.3		48898

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	2.15	2.23		59.5	0.284		2.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (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	2.2	15	46985	3395	92	0.201	0.2016	0.233	0.2338	random	26.942

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]
-10.935	2.045	-3.243	2.964	-2.316	7.971

RMS Deviations
Key	Refinement Restraint Deviation
c_angle_deg	1.4
c_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6740
Nucleic Acid Atoms
Solvent Atoms	509
Heterogen Atoms	45

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
CNS	refinement
PDB_EXTRACT	data extraction