1RGE

HYDROLASE, GUANYLORIBONUCLEASE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.7		ROOM TEMPERATURE, PH 6.7, AMMONIUM SULFATE

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.73	α = 90
b = 78.56	β = 90
c = 38.99	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		IMAGE PLATE	MARRESEARCH		1993-11-26	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X31		EMBL/DESY, Hamburg	X31

Data Collection

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.15	10	62714		88	0.109

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
13		1957

RMS Deviations
Key	Refinement Restraint Deviation
s_approx_iso_adps	6.1
s_similar_adp_cmpnt	1.8
s_from_restr_planes	0.304
s_rigid_bond_adp_cmpnt	0.3
s_anti_bump_dis_restr	0.16
s_zero_chiral_vol	0.085
s_angle_d	0.019
s_bond_d
s_similar_dist
s_non_zero_chiral_vol

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1490
Nucleic Acid Atoms
Solvent Atoms	447
Heterogen Atoms	29

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHELXL-93	model building
SHELXL-93	refinement
SHELXL-93	phasing