1DQS

CRYSTAL STRUCTURE OF DEHYDROQUINATE SYNTHASE (DHQS) COMPLEXED WITH CARBAPHOSPHONATE, NAD+ AND ZN2+

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.8		pH 6.8

Crystal Properties
Matthews coefficient	Solvent content
1.9	32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.677	α = 90
b = 80.81	β = 90
c = 143.513	γ = 90

Symmetry
Space Group	P 21 21 21

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		1996-02-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX7.2		SRS	PX7.2

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	1.7	25	91.2	0.068	15.1	3.7		79632		-3	19.22

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)
	1.7	1.76	84.8		0.341	3.3

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SIRAS	THROUGHOUT	1.8	25	64534	3385	91.2	0.1735	0.224	RANDOM	20.58

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
p_transverse_tor	24.7
p_staggered_tor	15.2
p_planar_tor	4
p_scangle_it	2.28
p_mcangle_it	1.763
p_scbond_it	1.617
p_mcbond_it	1.301
p_multtor_nbd	0.18
p_singtor_nbd	0.175
p_chiral_restr	0.119
p_planar_d	0.032
p_angle_d	0.029
p_bond_d	0.012
p_angle_deg
p_hb_or_metal_coord
p_plane_restr
p_xhyhbond_nbd
p_xyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5696
Nucleic Acid Atoms
Solvent Atoms	718
Heterogen Atoms	125

Software

Software
Software Name	Purpose
HASSP	model building
MLPHARE	phasing
DMMulti	model building
ENVAT	model building
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
HASSP	phasing
DMMulti	phasing
ENVAT	phasing