1KWC

The His145Ala mutant of 2,3-dihydroxybiphenyl dioxygenase in complex with 2,3-dihydroxybiphenyl

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	Batch	7.5	285	Tris/HCl, hexylene glycol, Ammonium Sulfate, pH 7.5, Batch, temperature 285K

Crystal Properties
Matthews coefficient	Solvent content
3.14	60.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 121.595	α = 90
b = 121.595	β = 90
c = 109.068	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	CCD	ADSC QUANTUM 4		2000-10-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-18B	1.0	Photon Factory	BL-18B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.1	46.13	100	0.097	0.097	6.8	6.3	27803	24136		3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.21	100		0.302	0.302		6.3

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-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	2.1	84.52	22902	1233	99.94	0.17527	0.17393	0.20144	RANDOM	17.036

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]
-0.28			-0.28		0.56

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	16.461
r_dihedral_angle_1_deg	3.997
r_scangle_it	3.763
r_scbond_it	2.209
r_angle_refined_deg	1.672
r_mcangle_it	1.624
r_symmetry_hbond_refined	0.964
r_angle_other_deg	0.881
r_mcbond_it	0.869
r_nbd_other	0.209
r_symmetry_vdw_other	0.207
r_nbd_refined	0.206
r_xyhbond_nbd_refined	0.147
r_symmetry_vdw_refined	0.098
r_xyhbond_nbd_other	0.085
r_chiral_restr	0.083
r_bond_refined_d	0.018
r_gen_planes_refined	0.006
r_gen_planes_other	0.003
r_bond_other_d	0.002
r_nbtor_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2224
Nucleic Acid Atoms
Solvent Atoms	192
Heterogen Atoms	14

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing
REFMAC	refinement
CCP4	data scaling