1OFA

Crystal structure of the tyrosine-regulated 3-deoxy-d-arabino-heptulosonate-7-phosphate synthase from saccharomyces cerevisiae in complex with phosphoenolpyruvate and cobalt(ii)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1HFB	PDB ENTRY 1HFB

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8		TRIS PH 7.5-9.0 10 MM 20% PEG3400, 5% GLYCEROL, 4 EQUIV. PEP, 2.5 EQUIV. CO2+ 13-17MG/ML DAHPS

Crystal Properties
Matthews coefficient	Solvent content
1.94	36.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 196.21	α = 90
b = 50.61	β = 106.33
c = 64.98	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	105	IMAGE PLATE	MARRESEARCH	MIRRORS	2000-08-15	M	SINGLE WAVELENGTH

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

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	2.02	18.6	96.8	0.053	15.1	3.2		128877

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	2.02	2.15	86.8		0.28	3.5	2

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1HFB	2.02	17.57	37403	1971	97.1	0.155	0.204	RANDOM	24.18

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]
0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.447
r_scangle_it	5.643
r_scbond_it	3.726
r_angle_other_deg	3.669
r_angle_refined_deg	2.305
r_mcangle_it	2.102
r_mcbond_it	1.241
r_symmetry_vdw_other	0.339
r_nbd_other	0.302
r_chiral_restr	0.274
r_nbd_refined	0.229
r_symmetry_vdw_refined	0.216
r_symmetry_hbond_refined	0.213
r_xyhbond_nbd_refined	0.174
r_nbtor_other	0.112
r_bond_refined_d	0.031
r_gen_planes_other	0.015
r_gen_planes_refined	0.01
r_bond_other_d
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5152
Nucleic Acid Atoms
Solvent Atoms	289
Heterogen Atoms	40

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
EPMR	phasing