1EX1

BETA-D-GLUCAN EXOHYDROLASE FROM BARLEY

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		pH 7.0

Crystal Properties
Matthews coefficient	Solvent content
1.83	66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 102.09	α = 90
b = 102.09	β = 90
c = 184.5	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	291	IMAGE PLATE	RIGAKU RAXIS II	MIRRORS	1997-05-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	MACSCIENCE M18X

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	78	0.054	20.1	2.5		408526		1	26.6

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	37.8		0.142	2.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIRAS	THROUGHOUT	2.2	20	1	39456	2128	83.3	0.17	0.202	RANDOM

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	32.3
p_staggered_tor	17.4
p_special_tor	15
p_planar_tor	8
p_scangle_it	3.294
p_mcangle_it	2.315
p_scbond_it	2.244
p_mcbond_it	1.571
p_multtor_nbd	0.255
p_singtor_nbd	0.178
p_xyhbond_nbd	0.137
p_chiral_restr	0.12
p_planar_d	0.037
p_angle_d	0.035
p_plane_restr	0.0138
p_bond_d	0.013
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4566
Nucleic Acid Atoms
Solvent Atoms	220
Heterogen Atoms	99

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PROTEIN	model building
SHARP	phasing
REFMAC	refinement
PROTEIN	phasing