2HHN

Cathepsin S in complex with non covalent arylaminoethyl amide.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	278	20% PEG-8000, 0.4M Lithium Sulfate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 278K

Crystal Properties
Matthews coefficient	Solvent content
2.82	56.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 85.532	α = 90
b = 85.532	β = 90
c = 150.403	γ = 90

Symmetry
Space Group	P 41 2 2

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	ADSC QUANTUM 4		2003-08-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.3	1	ALS	5.0.3

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.55	84.2	96.2	0.058	0.058	21.5	3.54	73915	73915

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.55	1.62	86.3		0.509	0.509	2.33		6804

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	RIGID BODY REFINEMENT	THROUGHOUT	2F1G	1.55	84.2	73915	73915	3951	96.19	0.15669	0.15669	0.15543	0.17994	RANDOM	12.839

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]
-0.2			-0.2		0.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.74
r_dihedral_angle_4_deg	16.912
r_dihedral_angle_3_deg	11.112
r_dihedral_angle_1_deg	5.542
r_scangle_it	4.703
r_scbond_it	3.396
r_mcangle_it	1.605
r_angle_refined_deg	1.422
r_mcbond_it	1.352
r_angle_other_deg	0.768
r_symmetry_vdw_refined	0.599
r_mcbond_other	0.281
r_nbd_refined	0.214
r_nbtor_refined	0.196
r_symmetry_vdw_other	0.195
r_nbd_other	0.194
r_symmetry_hbond_refined	0.16
r_xyhbond_nbd_refined	0.144
r_nbtor_other	0.088
r_chiral_restr	0.079
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3448
Nucleic Acid Atoms
Solvent Atoms	591
Heterogen Atoms	59

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling