1SU3

X-ray structure of human proMMP-1: New insights into collagenase action

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5		1.5M Li2SO4, 0.1M Hepes, pH 7.5, VAPOR DIFFUSION, SITTING DROP

Crystal Properties
Matthews coefficient	Solvent content
3.62	66.04

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 142.746	α = 90
b = 142.746	β = 90
c = 295.308	γ = 90

Symmetry
Space Group	I 4 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		CCD				M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6	1.28200, 1.28380, 1.0500	MPG/DESY, HAMBURG	BW6

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.02	20		0.07	27.26	5.46		72595

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)
	2.02				0.07	27.26	5.46

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	MAD	THROUGHOUT	2.2	20	72595	3885	100	0.22422	0.22269	0.25233	RANDOM	39.405

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]
-0.04			-0.04		0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.376
r_scangle_it	3.025
r_scbond_it	1.854
r_mcangle_it	1.357
r_angle_refined_deg	1.269
r_angle_other_deg	0.789
r_mcbond_it	0.736
r_symmetry_hbond_refined	0.425
r_symmetry_vdw_other	0.265
r_nbd_other	0.235
r_xyhbond_nbd_refined	0.217
r_nbd_refined	0.211
r_symmetry_vdw_refined	0.177
r_metal_ion_refined	0.15
r_nbtor_other	0.087
r_chiral_restr	0.084
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6674
Nucleic Acid Atoms
Solvent Atoms	372
Heterogen Atoms	53

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MLPHARE	phasing