1RWA

Crystal structure of Arthrobacter aurescens chondroitin AC lyase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.4	293	PEG 8000, ammonium acetate, glycerol, phosphate buffer, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 6.40

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.356	α = 90
b = 85.256	β = 105.78
c = 82.162	γ = 90

Symmetry
Space Group	P 1 21 1

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		2002-02-15	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X8C	1.005133, 1.009078, 0.997068	NSLS	X8C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.3	50	98.8	0.067	14.7	4.8		183424		1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.3	1.35	89		0.325	6.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	MAD	THROUGHOUT	1.3	28.99	178604	178604	1800	100	0.134	0.134	0.156	RANDOM	13.95

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]
1.41		-0.07	-0.95		-0.5

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.762
r_dihedral_angle_4_deg	12.957
r_dihedral_angle_3_deg	11.743
r_sphericity_free	7.849
r_sphericity_bonded	6.474
r_dihedral_angle_1_deg	6.235
r_scangle_it	4.056
r_angle_other_deg	3.142
r_scbond_it	3.091
r_mcangle_it	2.473
r_angle_refined_deg	1.872
r_mcbond_it	1.849
r_rigid_bond_restr	1.818
r_metal_ion_refined	0.374
r_symmetry_vdw_other	0.327
r_nbd_other	0.293
r_nbd_refined	0.227
r_symmetry_vdw_refined	0.21
r_symmetry_hbond_refined	0.202
r_chiral_restr	0.183
r_xyhbond_nbd_refined	0.172
r_nbtor_other	0.093
r_bond_refined_d	0.02
r_gen_planes_refined	0.011
r_gen_planes_other	0.008
r_bond_other_d	0.001
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other
r_mcbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5600
Nucleic Acid Atoms
Solvent Atoms	1103
Heterogen Atoms	27

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing