2NQA

Catalytic Domain of Human Calpain 8

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	291	2M NH4PO4, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
3.19	61.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.794	α = 90
b = 91.794	β = 90
c = 194.592	γ = 120

Symmetry
Space Group	P 61

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV		2006-10-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

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	2.2	50	96.3	0.119	7.1	4.7	47063	45317			37.9

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	2.2	2.28	98.6		0.812		4.5

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2ARY	2.2	38.954	43796	2229	93.282	0.2048	0.2048	0.2048	0.2678	RANDOM	17.801

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]
0.01	0.005		0.01		-0.014

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.932
r_dihedral_angle_1_deg	23.819
r_dihedral_angle_3_deg	14.694
r_dihedral_angle_4_deg	13.809
r_scangle_it	2.309
r_scbond_it	1.548
r_angle_refined_deg	1.456
r_scangle_other	1.124
r_mcangle_it	1.104
r_angle_other_deg	1.066
r_mcbond_it	0.711
r_mcangle_other	0.528
r_scbond_other	0.507
r_symmetry_vdw_refined	0.298
r_symmetry_vdw_other	0.247
r_symmetry_hbond_refined	0.246
r_nbd_refined	0.207
r_nbd_other	0.189
r_xyhbond_nbd_refined	0.184
r_nbtor_refined	0.171
r_mcbond_other	0.137
r_chiral_restr	0.124
r_metal_ion_refined	0.085
r_nbtor_other	0.084
r_bond_refined_d	0.015
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5073
Nucleic Acid Atoms
Solvent Atoms	308
Heterogen Atoms	5

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling