1QAF

THE ACTIVE SITE BASE CONTROLS COFACTOR REACTIVITY IN ESCHERICHIA COLI AMINE OXIDASE : X-RAY CRYSTALLOGRAPHIC STUDIES WITH MUTATIONAL VARIANTS

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.1	315	VAPOR DIFFUSION, SITTING DROP PH 7.1, 315 K SODIUM CITRATE, HEPES

Crystal Properties
Matthews coefficient	Solvent content
2.79	55.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 135.2	α = 90
b = 167	β = 90
c = 79.93	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	MIRRORS	1997-06-21	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	2.2	20	91.6	0.066	8.3	2.9	92396	92396	1	1	30.2

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	2.2	2.3	73.3		0.204	3.2	1.03

Refinement

Statistics
Diffraction ID	Structure Solution 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	DIFFERENCE FOURIER	PDB ENTRY 1OAC	2.2	20	82076	92396	2781	91.6	0.179	0.179	0.1764	0.24429	RANDOM	32.227

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	24.8
p_staggered_tor	18
p_scangle_it	5.574
p_mcangle_it	4.09
p_scbond_it	4.056
p_angle_deg	3.6
p_mcbond_it	3.18
p_planar_tor	1.3
p_multtor_nbd	0.233
p_chiral_restr	0.213
p_singtor_nbd	0.2
p_xyhbond_nbd	0.183
p_planar_d	0.053
p_angle_d	0.049
p_bond_d	0.012
p_hb_or_metal_coord
p_plane_restr
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11356
Nucleic Acid Atoms
Solvent Atoms	1407
Heterogen Atoms	12

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
CNS	refinement
CCP4	model building
REFMAC	refinement
CCP4	data scaling
CNS	phasing
CCP4	phasing