6SKH

X-ray structure of human glutamate carboxypeptidase II (GCPII) - the E424M inactive mutant, in complex with a inhibitor sulfamide inhibitor GluAsp

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3BI1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	33% (v/v) pentaerythritol propoxylate PO/OH 5/4, 2 % (w/v) PEG 3350, 100 mM Tris-HCl, pH 8.0

Crystal Properties
Matthews coefficient	Solvent content
3.36	63.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 101.629	α = 90
b = 130.53	β = 90
c = 159.192	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	PIXEL	DECTRIS PILATUS 6M		2015-10-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)	1.033	PETRA III, EMBL c/o DESY	P13 (MX1)

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	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	1.58	50	99.2	0.033	0.042	0.999	19.5	4.4		143110

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.58	1.61	97.8		0.528	0.678	0.86	2.5	4.3

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	FOURIER SYNTHESIS	THROUGHOUT	3BI1	1.58	49.21	136083	7026	99.12	0.1722	0.1712	0.1928	RANDOM	29.211

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]
1.33			-2.03		0.7

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.963
r_dihedral_angle_4_deg	15.85
r_dihedral_angle_3_deg	13.23
r_dihedral_angle_1_deg	6.188
r_angle_other_deg	4.211
r_mcangle_it	2.267
r_mcbond_it	1.515
r_mcbond_other	1.515
r_angle_refined_deg	1.277
r_chiral_restr	0.083

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.963
r_dihedral_angle_4_deg	15.85
r_dihedral_angle_3_deg	13.23
r_dihedral_angle_1_deg	6.188
r_angle_other_deg	4.211
r_mcangle_it	2.267
r_mcbond_it	1.515
r_mcbond_other	1.515
r_angle_refined_deg	1.277
r_chiral_restr	0.083
r_gen_planes_other	0.011
r_bond_refined_d	0.008
r_gen_planes_refined	0.008
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5545
Nucleic Acid Atoms
Solvent Atoms	591
Heterogen Atoms	300

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
REFMAC	phasing
Coot	model building

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.