6SGP

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

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 1 % (w/v) PEG 3350 100 mM Tris-HCl, pH 8.0

Crystal Properties
Matthews coefficient	Solvent content
3.36	63.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 101.349	α = 90
b = 130.394	β = 90
c = 158.538	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 PILATUS3 6M		2015-10-15	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	97	0.04	0.045	1	18.5	4.4		141047

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	1.67	97.3		0.689	0.789	0.83		4.9

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	46.9	134096	7094	98.31	0.1813	0.1803	0.2011	RANDOM	30.564

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]
1.5			-2.23		0.73

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.16
r_dihedral_angle_4_deg	14.979
r_dihedral_angle_3_deg	13.535
r_dihedral_angle_1_deg	6.225
r_angle_other_deg	4.287
r_mcangle_it	2.479
r_mcbond_it	1.716
r_mcbond_other	1.715
r_angle_refined_deg	1.354
r_chiral_restr	0.084

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.16
r_dihedral_angle_4_deg	14.979
r_dihedral_angle_3_deg	13.535
r_dihedral_angle_1_deg	6.225
r_angle_other_deg	4.287
r_mcangle_it	2.479
r_mcbond_it	1.716
r_mcbond_other	1.715
r_angle_refined_deg	1.354
r_chiral_restr	0.084
r_gen_planes_other	0.014
r_gen_planes_refined	0.009
r_bond_refined_d	0.008
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5511
Nucleic Acid Atoms
Solvent Atoms	434
Heterogen Atoms	289

Software

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

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.