Experiment: 10SR

Crystal structure of Guanylate Kinase from Burkholderia thailandensis in complex with GMP

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
in silico model	AlphaFold	AF-Q2SY72-F1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	291	1.6M Sodium Formate, 0.1M Acetate/acidic acid, pH 4.6. ButhA.01463.a.A1.PB00147 at 21.6 mg/mL. Cocrystallization with 2 mM GMP. plate Liu-S197 H3, Puck: PSL-1813, Cryo: 4.0M Sodium Formate, 0.1M Acetate/acidic acid, pH 4.6

Crystal Properties
Matthews coefficient	Solvent content
2.95	58.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 94.889	α = 90
b = 63.259	β = 95.21
c = 191.484	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	PIXEL	DECTRIS EIGER2 XE 9M		2025-11-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS-II BEAMLINE 19-ID	0.9786	NSLS-II	19-ID

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	3.02	47.67	99.8	0.118	0.128	0.049	0.998	13.8	6.8		44978

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	3.02	3.1		100	1.395	1.51	0.572	0.605		6.9

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	3.02	47.67	1.35	44954	2219	99.75	0.2061	0.2039	0.2052	0.2493	0.2422

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	14.339
f_angle_d	0.448
f_chiral_restr	0.041
f_plane_restr	0.003
f_bond_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12744
Nucleic Acid Atoms
Solvent Atoms	8
Heterogen Atoms	192

Software

Software
Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing
PDB_EXTRACT	data extraction