3QDE

The structure of Cellobiose phosphorylase from Clostridium thermocellum in complex with phosphate

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	298	Protein Solution (5.0 mg/ml protein, 0.05 M NaCl, 0.0003 M NaN3, and 0.005 M HEPES pH 7) mixed in a 1:1 ratio with the Well Solution (0.157 M (NH4)2HPO4, 2.143 M (NH4)H2PO4, and 0.1 M Tris pH 8.0). Cryoprotected with 0.157 M (NH4)2HPO4, 2.143 M (NH4)H2PO4, 5% ethylene glycol, and 0.1 M Tris pH 8.0, vapor diffusion, hanging drop, temperature 298K, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.262	α = 90
b = 122.062	β = 90
c = 181.996	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	CCD	MARmosaic 300	mirrors and beryllium lenses	2009-11-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97857	APS	21-ID-G

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	2.4	50	99.5	0.127	10.5	6.2		73974

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	2.4	2.46	97.6		0.42		5.3	4772

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2.4	34.326	70898	3535	95.02	0.1536	0.1508	0.2083	34.1839

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]
-4.0662			3.8791		0.1871

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.991
f_angle_d	0.933
f_chiral_restr	0.069
f_bond_d	0.006
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13126
Nucleic Acid Atoms
Solvent Atoms	692
Heterogen Atoms	26

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
DENZO	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.