1W7V

ZnMg substituted aminopeptidase P from E. coli

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.3		ROOM TEMPERATURE HANGING DROP WITH 16% PEG4K, 0.1 M TRIS (PH8.3), 0.2 M MGCL2. TRANSFERRED TO A DROP ABOVE CONDITIONS PLUS WITH 10 MM VAL-PRO-LEU PEPTIDE AND ALLOWED TO EQUILIBRATE OVERNIGHT., pH 8.30

Crystal Properties
Matthews coefficient	Solvent content
4.4	71.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 111.731	α = 90
b = 236.527	β = 106.34
c = 137.997	γ = 90

Symmetry
Space Group	C 1 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	100	CCD	ADSC CCD	MIRROR	2004-07-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2		SSRL	BL9-2

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	2	40	97.9	0.07	13.9	2.9		225729		-3	32.21

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	2	2.07	96.3		0.44	6	2.7

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 1WL9 WITH ALL HET ATOMS, WATERS AND MULTIPLE CONFORMERS REMOVED	2	37.8	214328	11297	97.9	0.157	0.156	0.18	RANDOM	36.28

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]
2.04		1.44	-0.15		-1.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.13
r_dihedral_angle_4_deg	16.981
r_dihedral_angle_3_deg	12.084
r_scangle_it	8.978
r_scbond_it	5.879
r_dihedral_angle_1_deg	5.501
r_mcangle_it	3.689
r_mcbond_it	3.189
r_angle_refined_deg	1.106
r_angle_other_deg	0.762
r_symmetry_vdw_other	0.248
r_symmetry_vdw_refined	0.23
r_nbd_refined	0.2
r_nbd_other	0.177
r_nbtor_refined	0.172
r_symmetry_hbond_refined	0.144
r_xyhbond_nbd_refined	0.126
r_nbtor_other	0.08
r_chiral_restr	0.065
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
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_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	14028
Nucleic Acid Atoms
Solvent Atoms	1094
Heterogen Atoms	14

Software

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