8XGT

Crystal structure of human secretory glutaminyl cyclase in complex with (Z)-3-((1H-benzo[d]imidazol-5-yl)methylene)-4-hydroxyindolin-2-one

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	12% -16% PEG 4000, 0.2M MgCl2, 0.1M Tris HCl, pH 8.5

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.88

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.962	α = 90
b = 217.386	β = 90
c = 242.375	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	195	PIXEL	DECTRIS PILATUS3 6M		2023-06-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL19U1	1	SSRF	BL19U1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim 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	2.81	161.83	99.3	0.114	0.125	0.051	0.998	13.5	6		107900

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.81	2.96		100	0.883	0.967	0.391	0.815		6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.813	54.857	1.34	107692	1998	99.21	0.1956	0.194	0.282

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.412
f_angle_d	1.946
f_chiral_restr	0.129
f_bond_d	0.038
f_plane_restr	0.013

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	31320
Nucleic Acid Atoms
Solvent Atoms	3
Heterogen Atoms	264

Software

Software
Software Name	Purpose
PHENIX	refinement
SCALEPACK	data scaling
PHASER	phasing
PDB_EXTRACT	data extraction
HKL-3000	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 R01GM133198.