1SLN

CRYSTAL STRUCTURE OF THE CATALYTIC DOMAIN OF HUMAN FIBROBLAST STROMELYSIN-1 INHIBITED WITH THE N-CARBOXY-ALKYL INHIBITOR L-702,842

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.54		HANGING DROP VAPOR DIFFUSION. 1.5 MICROLITER DROPS OF ENZYME:INHIBITOR SOLUTION (9 MG/ML ENZYME, 1.5 MILLIMOLAR INHIBITOR, 5.0 MILLIMOLAR CALCIUM CHLORIDE, 0.02% SODIUM AZIDE, 20 MILLIMOLAR TRIS HYDROCHLORIDE, PH 7.5) WERE MIXED WITH AN EQUAL VOLUME OF RESERVOIR BUFFER (10% PEG-6000, 15% SATURATED AMMONIUM ACETATE 0.02% SODIUM AZIDE, 0.1 M CACODYLATE, PH 5.54) AND INCUBATED AT ROOM TEMPERATURE., vapor diffusion - hanging drop

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.23	α = 90
b = 47.23	β = 90
c = 150.85	γ = 120

Symmetry
Space Group	P 31 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	293	AREA DETECTOR	SIEMENS		1990-12-01	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE

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	2.27	8	88.9	0.0598	0.0758	11.9	2.79		8311		1	11.76

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.26	2.41	60.9		0.189	4.03	1.71

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		FREE-R	2.27	8	2	7931	663	84.9	0.2263	0.2263	0.299	RANDOM	11.69

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
x_dihedral_angle_d	24.2
x_angle_deg	1.52
x_improper_angle_d	1.36
x_bond_d	0.009
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1338
Nucleic Acid Atoms
Solvent Atoms	51
Heterogen Atoms	40

Software

Software
Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
XENGEN	data reduction
XENGEN	data scaling
X-PLOR	phasing