2VQX

Precursor of Protealysin, Metalloproteinase from Serratia proteamaculans.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6		THE HANGING-DROP VAPOR DIFFUSION METHOD AGAINST A PRECIPITANT SOLUTION OF 15% PEG MME 2000, 0.2M AMMONIUM SULPHATE, 0.1 M SODIUM ACETATE PH 4.6. DROPLETS CONTAINED 3 MKL OF 10 MG/ML PROTEIN SOLUTION AND 1.5 MKL PRECIPITANT SOLUTION WITH 0.06% BETA-OCTIL-D-GLUCOPYRANOSIDE IN THE SAME BUFFER

Crystal Properties
Matthews coefficient	Solvent content
2.15	42.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.76	α = 90
b = 78.65	β = 90
c = 59.28	γ = 90

Symmetry
Space Group	P 21 21 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	MARRESEARCH		2007-06-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	KURCHATOV SNC BEAMLINE K4.4		KURCHATOV SNC	K4.4

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	1.8	52.6	90.9	0.03	26.9	2.82		28551		2	26.2

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	1.8	2	78.6		0.09	11.07	2.6

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1NPC	1.821	52.63	27076	1448	94.2	0.17141	0.16984	0.20205	RANDOM	12.3

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]
-0.183			-0.269		0.453

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.294
r_dihedral_angle_4_deg	14.787
r_dihedral_angle_3_deg	12.484
r_dihedral_angle_1_deg	5.096
r_scangle_it	1.629
r_angle_other_deg	1.266
r_scbond_it	1.168
r_angle_refined_deg	1.039
r_mcangle_it	0.666
r_mcbond_it	0.562
r_symmetry_vdw_other	0.219
r_nbd_refined	0.197
r_nbd_other	0.178
r_symmetry_vdw_refined	0.172
r_nbtor_refined	0.166
r_symmetry_hbond_refined	0.164
r_xyhbond_nbd_refined	0.112
r_mcbond_other	0.093
r_nbtor_other	0.08
r_chiral_restr	0.064
r_bond_refined_d	0.01
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2507
Nucleic Acid Atoms
Solvent Atoms	277
Heterogen Atoms	1

Software

Software
Software Name	Purpose
XDS	data reduction
XDS	data scaling
BALBES	phasing
MOLREP	phasing
REFMAC	refinement