219L

PROTEIN STRUCTURE PLASTICITY EXEMPLIFIED BY INSERTION AND DELETION MUTANTS IN T4 LYSOZYME

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				MUTANT WAS CRYSTALLIZED FROM PHOSPHATE IN CONTRAST TO L1 64AAA_PEG WHICH WAS CRYSTALLIZED FROM PEG.

Crystal Properties
Matthews coefficient	Solvent content
2.83	48.3

Crystal Data

Unit Cell
Length ( ? )	Angle ( ? )
a = 60.58	�� = 90
b = 60.58	�� = 90
c = 97.47	�� = 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		AREA DETECTOR	XUONG-HAMLIN MULTIWIRE		1994-10-16	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1

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	1.66	26.23	87.9	0.0684		2.9		21597

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-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.66	26.23	21597	21597		87.9	0.175

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_dihedral_angle_d	15.5
t_angle_deg	2.07
t_gen_planes	0.018
t_bond_d	0.014
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_it
t_nbd

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1308
Nucleic Acid Atoms
Solvent Atoms	127
Heterogen Atoms	8

Software

Software
Software Name	Purpose
TNT	refinement
UCSD	data reduction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.