6XK2

Crystal structure of Ribokinase from Cryptococcus neoformans var. grubii serotype A in complex with ADP

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6CW5	apo structure, 6cw5

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	285	Microlytic MCSG-1 screen D12: 20% (w/V) PDG 3350, 200mM ammonium chloride; CrneC.01141.a.B12.PW38396 at 19.46mg/ml + 2.5mM ADP + 2.5mM MgCl2; tray 299998 D12; cryo: 20% EG + 2.5mM ADP/MgCl2; puck pjn0-4

Crystal Properties
Matthews coefficient	Solvent content
2.28	45.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.17	α = 90
b = 84.57	β = 95.27
c = 98.27	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 MX-300	C(111)	2018-04-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

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	2.5	37.05	99.1	0.046	0.055	0.999	17.97	3.413		43388			58.322

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	2.5	2.56	99.9		0.575	0.682	0.8	2.09	3.427

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	apo structure, 6cw5	2.5	37.05	1.35	43337	1941	99.1	0.1833	0.1811	0.2304	0	65.7744

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	14.991
f_angle_d	0.827
f_chiral_restr	0.048
f_bond_d	0.006
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9027
Nucleic Acid Atoms
Solvent Atoms	167
Heterogen Atoms	123

Software

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

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.