2RIU

Alternative models for two crystal structures of Candida albicans 3,4-dihydroxy-2-butanone 4-phosphate synthase- alternate interpreation

X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 109.597	α = 90
b = 47.9	β = 70.62
c = 40.2	γ = 90

Symmetry
Space Group	C 1 2 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	IMAGE PLATE	MARRESEARCH		2003-07-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.542

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.66	51.71					20361

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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		THROUGHOUT	1.7	51.71	20361	1050	93	0.187	0.185	0.215	RANDOM	13.836

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]
-0.85		0.33	0.85		-0.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.63
r_dihedral_angle_3_deg	13.904
r_dihedral_angle_4_deg	9.066
r_dihedral_angle_1_deg	5.412
r_scangle_it	2.398
r_scbond_it	1.448
r_angle_refined_deg	1.129
r_mcangle_it	0.764
r_mcbond_it	0.468
r_nbtor_refined	0.304

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.63
r_dihedral_angle_3_deg	13.904
r_dihedral_angle_4_deg	9.066
r_dihedral_angle_1_deg	5.412
r_scangle_it	2.398
r_scbond_it	1.448
r_angle_refined_deg	1.129
r_mcangle_it	0.764
r_mcbond_it	0.468
r_nbtor_refined	0.304
r_symmetry_hbond_refined	0.211
r_nbd_refined	0.207
r_symmetry_vdw_refined	0.124
r_xyhbond_nbd_refined	0.115
r_chiral_restr	0.075
r_bond_refined_d	0.007
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1521
Nucleic Acid Atoms
Solvent Atoms	151
Heterogen Atoms	14

Software

Software
Software Name	Purpose
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 R01GM133198.