1EPY | pdb_00001epy

T4 LYSOZYME MUTANT, T21H/C54T/C97A/Q141H/T142H

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	277	12-16% PEG 8000, 10% isopropanol, sodium chloride, HEPES, 0.002 M cobalt chloride, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 4K

Crystal Properties
Matthews coefficient	Solvent content
2.92	57.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.385	α = 90
b = 62.385	β = 90
c = 97.241	γ = 120

Symmetry
Space Group	P 32 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	298	AREA DETECTOR	XUONG-HAMLIN MULTIWIRE		1997-10-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION		1.85	20	21666	19458		89	0.183	0.183		0.17

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
t_angle_deg	2.4
t_gen_planes	0.019
t_bond_d	0.017

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1299
Nucleic Acid Atoms
Solvent Atoms	98
Heterogen Atoms	7

Software

Software
Software Name	Purpose
TNT	refinement
TNT	phasing