3ENG

STRUCTURE OF ENDOGLUCANASE V CELLOBIOSE COMPLEX

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2ENG	PDB ENTRY 2ENG

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8		10MG/ML ENZYME IN 20MM TRIS-HCL BUFFER PH 8.0. PRECIPITANT 18%(W/V) PEG 8K. CO-CRYSTALLISED WITH 5MM CELLOBIOSE

Crystal Properties
Matthews coefficient	Solvent content
1.91	35.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.75	α = 90
b = 56.18	β = 93.4
c = 37.37	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	293	IMAGE PLATE	RIGAKU		1993-12-21	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	1.9	20	96.3	0.071	16.5	3.4		13151		-999

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)
	1.9	2	78.3		0.118	7.44	2.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 2ENG	1.9	10	13070			0.145

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	24.6
p_staggered_tor	16.7
p_scangle_it	4.413
p_planar_tor	3.8
p_scbond_it	2.945
p_mcangle_it	2.174
p_mcbond_it	1.621
p_multtor_nbd	0.255
p_singtor_nbd	0.161
p_chiral_restr	0.119
p_planar_d	0.032
p_angle_d	0.028
p_bond_d	0.009
p_plane_restr	0.008
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_xyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1605
Nucleic Acid Atoms
Solvent Atoms	152
Heterogen Atoms	23

Software

Software
Software Name	Purpose
DENZO	data reduction
ROTAVATA	data reduction
AMoRE	phasing
REFMAC	refinement
CCP4	data scaling