2CKI

Structure of Ulilysin, a member of the pappalysin family of metzincin metalloendopeptidases.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	EQUIVOLUMETRIC SITTING DROPS CONSISTING OF PROTEIN (5 MG PER ML IN 30MM TRIS PH 7.5, 2MM DTT, 100MM NACL) AND RESERVOIR SOLUTION (18% PEG 8000, 0.1M MES PH6.5, 0.2M CACL2) AFTER SEVERAL WEEKS AT 20 DEGREES CELCIUS.

Crystal Properties
Matthews coefficient	Solvent content
2.4	47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.564	α = 90
b = 126.148	β = 90
c = 87.406	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			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM16		ESRF	BM16

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	1.7	39	99.8	0.08	11.6	5.9		61061

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	1.7	1.79	99.9		0.44	3.4	5.7

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	1.7	39	60401	610	99.8	0.174	0.173	0.241	RANDOM	19.1

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]
0.27			0.89		-1.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.24
r_dihedral_angle_4_deg	12.706
r_dihedral_angle_3_deg	12.541
r_dihedral_angle_1_deg	6.161
r_scangle_it	3.527
r_scbond_it	2.342
r_angle_refined_deg	1.286
r_mcangle_it	1.255
r_mcbond_it	0.912
r_nbtor_refined	0.308
r_nbd_refined	0.198
r_symmetry_vdw_refined	0.149
r_symmetry_hbond_refined	0.132
r_xyhbond_nbd_refined	0.126
r_chiral_restr	0.092
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_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	4078
Nucleic Acid Atoms
Solvent Atoms	597
Heterogen Atoms	79

Software

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