4ZLE

Cellobionic acid phosphorylase - ligand free structure

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		298	sodium citrate, Li2SO4, 0.6 M (NH3)2SO4, glycerol

Crystal Properties
Matthews coefficient	Solvent content
3.47	64.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 106.934	α = 90
b = 106.934	β = 90
c = 185.345	γ = 120

Symmetry
Space Group	P 31 2 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 270		2013-05-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-17A	0.9988	Photon Factory	BL-17A

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	2.1	50	99.5	0.112	17.6	7.3		72225

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	2.1	2.14	100		0.73	2.6	7.2

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	SAD	THROUGHOUT	2.1	41.44	63592	3385	92.79	0.17258	0.17012	0.21936	RANDOM	30.548

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]
					-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.604
r_dihedral_angle_4_deg	16.745
r_dihedral_angle_3_deg	14.286
r_dihedral_angle_1_deg	6.963
r_long_range_B_refined	6.487
r_long_range_B_other	6.487
r_scangle_other	5.154
r_scbond_it	3.468
r_scbond_other	3.467
r_mcangle_it	3.385
r_mcangle_other	3.384
r_mcbond_it	2.496
r_mcbond_other	2.49
r_angle_refined_deg	1.917
r_angle_other_deg	1.068
r_chiral_restr	0.121
r_bond_refined_d	0.02
r_gen_planes_refined	0.01
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6224
Nucleic Acid Atoms
Solvent Atoms	477
Heterogen Atoms	49

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing
Coot	model building