3O4H

Structure and Catalysis of Acylaminoacyl Peptidase

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2HU5	Hydrolase and propeller domains of PDB entry 2HU5.

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	293	78mM sodium acetate, 0.44mM EDTA, 6.7mM DITHIOTHREITOL, 2.4% PEG 4000 , pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.405	α = 105.69
b = 97.979	β = 103.52
c = 98.797	γ = 100.36

Symmetry
Space Group	P 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	IMAGE PLATE	MAR555 FLAT PANEL	mirror	2009-12-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11	0.8148	EMBL/DESY, HAMBURG	X11

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	1.82	30	95.2	0.028	22.72	1.88	206854	206854		-3

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)
	1.82	1.87	94.1		0.606	2.26	1.88	15188

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	Hydrolase and propeller domains of PDB entry 2HU5.	1.82	24.62	196431	196431	10388	95.29	0.20468	0.20468	0.20314	0.23366	RANDOM	36.26

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]
	0.03	0.04	0.09	0.06	-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.218
r_dihedral_angle_4_deg	21.006
r_dihedral_angle_3_deg	15.42
r_dihedral_angle_1_deg	6.335
r_scangle_it	2.924
r_scbond_it	2.026
r_angle_refined_deg	1.722
r_angle_other_deg	1.426
r_mcangle_it	1.157
r_mcbond_it	0.775
r_mcbond_other	0.483
r_chiral_restr	0.098
r_bond_refined_d	0.019
r_bond_other_d	0.008
r_gen_planes_refined	0.008
r_gen_planes_other	0.006
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	17118
Nucleic Acid Atoms
Solvent Atoms	928
Heterogen Atoms	32

Software

Software
Software Name	Purpose
MAR345dtb	data collection
MOLREP	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling