5QCF

Crystal structure of human Cathepsin-S with bound ligand

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	293	100MM SODIUM ACETATE PH 4.5, 200MM AMMONIUM ACETATE, 25% PEG 8000. PROTEIN CONCENTRATION 7 MG/ML, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.891	α = 90
b = 73.635	β = 104.5
c = 44.716	γ = 90

Symmetry
Space Group	C 1 2 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	CCD	RIGAKU SATURN 944		2006-05-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF

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	2.1	30.99	99.51				13769

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	2.1	30.99	13769	729	99.51	0.1592	0.1576	0.1874	RANDOM	18.878

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]
-0.08		-0.03	0.03		0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.989
r_dihedral_angle_3_deg	13.371
r_dihedral_angle_4_deg	6.234
r_dihedral_angle_1_deg	5.941
r_angle_refined_deg	1.337
r_angle_other_deg	0.939
r_chiral_restr	0.079
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1700
Nucleic Acid Atoms
Solvent Atoms	254
Heterogen Atoms	58

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
SCALA	data scaling