7D1D

Crystal structure of Bacteroides thetaiotaomicron glutaminyl cyclase bound to 1-benzylimidazole

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4FUU

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	293.15	0.2 M NaCl, 0.1 M Bis-Tris, pH 5.5, 25% (w/v) PEG 4000

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.302	α = 90
b = 78.536	β = 114.51
c = 49.221	γ = 90

Symmetry
Space Group	P 1 21 1

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	RAYONIX MX300HE		2019-09-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE TPS 05A	1.0	NSRRC	TPS 05A

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	1.75	45	99.9	0.065	15.9	3.3		28784

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	1.75	1.81	99.6		0.526	2	3.1

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	4FUU	1.75	44.79	26707	1447	97.72	0.1352	0.1329	0.1795	RANDOM	22.831

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		0.04	-0.17		0.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.472
r_dihedral_angle_4_deg	22.509
r_sphericity_free	20.684
r_dihedral_angle_3_deg	14.486
r_dihedral_angle_1_deg	5.708
r_sphericity_bonded	5.238
r_angle_refined_deg	1.315
r_rigid_bond_restr	1.162
r_angle_other_deg	0.909
r_chiral_restr	0.081

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.472
r_dihedral_angle_4_deg	22.509
r_sphericity_free	20.684
r_dihedral_angle_3_deg	14.486
r_dihedral_angle_1_deg	5.708
r_sphericity_bonded	5.238
r_angle_refined_deg	1.315
r_rigid_bond_restr	1.162
r_angle_other_deg	0.909
r_chiral_restr	0.081
r_bond_refined_d	0.008
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2333
Nucleic Acid Atoms
Solvent Atoms	218
Heterogen Atoms	13

Software

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

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.