3SBA | pdb_00003sba

Zn-mediated Hexamer of T4 Lysozyme R76H/R80H by Synthetic Symmetrization

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	290	0.17M Ammonium Acetate, 0.085 Sodium Acetate Trihydrate, 25.5% PEG 4000, 15% Glycerol, pH 4.6, vapor diffusion, hanging drop, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.52	51.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.47	α = 90
b = 137.78	β = 90
c = 146.94	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	ADSC QUANTUM 315		2010-07-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.97949	APS	24-ID-C

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	2.75	19.765	97.1	0.219	5.31			29680		-3	32.343

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	2.75	2.82	87.9		0.49	1.88

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2.75	19.765	2	29680	1485	98.95	0.2248	0.2219	0.219	0.2779	0.2761	35.3116

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]
-6.6477			-6.3257		12.9733

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.29
f_angle_d	0.601
f_chiral_restr	0.045
f_bond_d	0.003
f_plane_restr	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7762
Nucleic Acid Atoms
Solvent Atoms	4
Heterogen Atoms	4

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction