2PUT

The crystal structure of isomerase domain of glucosamine-6-phosphate synthase from Candida albicans

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2POC

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	0.2 M magnesium acetate, 0.1 M sodium cacodylate pH 6.5, 30% v/v 2-methyl-2,4-pentanediol, 10-fold excess of UDP-GlcNAc and Glc-6-P; crystals soaked with large excess of Fru-6-P, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.028	α = 90
b = 118.188	β = 91.78
c = 100.032	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	MAR CCD 165 mm		2006-05-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11	0.81620	EMBL/DESY, HAMBURG	X11

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.9	20	99.7	0.08	22	7	120651	120651			23.2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.93	98.4		0.569	3	6.1	5965

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2POC	1.9	19.94	120111	117692	2419	100	0.17165	0.17165	0.17074	0.21508	RANDOM	25.584

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
r_dihedral_angle_2_deg	32.026
r_dihedral_angle_4_deg	17.896
r_dihedral_angle_3_deg	14.524
r_dihedral_angle_1_deg	6.607
r_scangle_it	4.618
r_scbond_it	2.892
r_mcangle_it	1.86
r_angle_refined_deg	1.687
r_mcbond_it	1.054
r_nbtor_refined	0.307
r_nbd_refined	0.217
r_symmetry_vdw_refined	0.196
r_symmetry_hbond_refined	0.179
r_xyhbond_nbd_refined	0.147
r_chiral_restr	0.115
r_metal_ion_refined	0.11
r_symmetry_metal_ion_refined	0.035
r_bond_refined_d	0.017
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10705
Nucleic Acid Atoms
Solvent Atoms	748
Heterogen Atoms	232

Software

Software
Software Name	Purpose
MAR345	data collection
PHASER	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling