2XEJ

Human glutamate carboxypeptidase II in complex with ARM-M4, urea- based inhibitor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8		33% (V/V) PENTAERYTHRITOL PROPOXYLATE PO/OH 5/4, 1% (W/V) PEG 3350, 100 MM TRIS-HCL, pH 8.0

Crystal Properties
Matthews coefficient	Solvent content
3.29	62.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 101.508	α = 90
b = 129.958	β = 90
c = 159.246	γ = 90

Symmetry
Space Group	I 2 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	100	CCD	MARRESEARCH		2009-10-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM		APS	22-BM

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	1.78	30	99.7	0.09	21.3	7.1		100565		-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	1.78	1.84	97.3		0.52	2.5	5.6

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 2OOT	1.78	20	99006	1487	99.61	0.15706	0.15665	0.18467	RANDOM	27.092

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]
0.06			0.09		-0.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.036
r_dihedral_angle_4_deg	14.067
r_dihedral_angle_3_deg	13.777
r_dihedral_angle_1_deg	5.817
r_scangle_it	4.268
r_scbond_it	2.668
r_angle_refined_deg	1.717
r_mcangle_it	1.542
r_mcbond_it	0.93
r_chiral_restr	0.139
r_bond_refined_d	0.02
r_gen_planes_refined	0.01
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
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_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	5530
Nucleic Acid Atoms
Solvent Atoms	563
Heterogen Atoms	221

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
REFMAC	phasing