1AW5

5-AMINOLEVULINATE DEHYDRATASE FROM SACCHAROMYCES CEREVISIAE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8		ENZYME CONCENTRATION 1 MG/ML, PH 7.0 - 8.5, BUFFER 0.2 M TRIS-HCL, PRECIPITANT PEG 6000 (<10%), 70 MICROMOLAR ZINC SULPHATE, 6 MM BETA-MERCAPTOETHANOL, HANGING DROPS., pH 8.0, vapor diffusion - hanging drop

Crystal Properties
Matthews coefficient	Solvent content
2.94	59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 102.5	α = 90
b = 102.5	β = 90
c = 168.3	γ = 90

Symmetry
Space Group	I 4 2 2

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		1996-09-25	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14		ESRF	BM14

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	2.3	35.6	99.9	0.088	6.6	16.8		459575		3

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	2.3	2.38	100		0.178	3.9	9.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.3	6	3	19072		99.9	0.198		0.27

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_angle_d	0.023
p_bond_d	0.011
p_angle_deg
p_planar_d
p_hb_or_metal_coord
p_mcbond_it
p_mcangle_it
p_scbond_it
p_scangle_it
p_plane_restr
p_chiral_restr
p_singtor_nbd
p_multtor_nbd
p_xhyhbond_nbd
p_xyhbond_nbd
p_planar_tor
p_staggered_tor
p_orthonormal_tor
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2527
Nucleic Acid Atoms
Solvent Atoms	307
Heterogen Atoms	2

Software

Software
Software Name	Purpose
DM	model building
MLPHARE	phasing
VECSUM	model building
RESTRAIN	refinement
MOSFLM	data reduction
CCP4	data scaling
ROTAVATA	data scaling
DM	phasing
VECSUM	phasing