Experiment: 44HQ

Crystal structure of human glutaminyl cyclase in complex with Inhibitor 5

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	8HY3

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	12% to 25% PEG 4000;0.2 M MgCl2;0.1 M Tris-HCL pH 8.0

Crystal Properties
Matthews coefficient	Solvent content
2.11	46.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.747	α = 83.05
b = 78.126	β = 69.26
c = 97.17	γ = 67.66

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	195	PIXEL	DECTRIS PILATUS3 X CdTe 1M		2025-12-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL19U1	0.97861	SSRF	BL19U1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	2.43	47.61	98.3	0.9606	7.24	3.36		74064			48.16

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.43	2.49			0.933

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2.43	47.61	1.96	73729	1991	97.84	0.206	0.2038	0.2093	0.286	0.2884	54.27

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	8.7272
f_angle_d	1.3399
f_chiral_restr	0.0544
f_bond_d	0.0133
f_plane_restr	0.0113

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15630
Nucleic Acid Atoms
Solvent Atoms	158
Heterogen Atoms	127

Software

Software
Software Name	Purpose
autoPX	data processing
autoPX	data reduction
PHASER	phasing
PHENIX	refinement