3GUM

T4 lysozyme M102E/L99A mutant with buried charge in apolar cavity--p-xylene binding

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3GUI

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	277	30% PEG 8000, 0.14M magnesium/calcium sulfate, 0.1M PIPES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.14	42.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.709	α = 90
b = 49.709	β = 90
c = 129.71	γ = 90

Symmetry
Space Group	P 43

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	Si(111)	2007-10-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	1.000	ALS	8.2.1

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	2.24	46.42	99.5	0.061	32.8	7.2		15049		2

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	2.24	2.33	99		0.397	6.2	7.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3GUI	2.24	46.42	14252	758	99.51	0.22023	0.21804	0.26359	RANDOM	43.054

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]
1.4			1.4		-2.79

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.195
r_dihedral_angle_4_deg	20.362
r_dihedral_angle_3_deg	18.025
r_dihedral_angle_1_deg	5.878
r_scangle_it	3.295
r_scbond_it	2.063
r_angle_refined_deg	1.584
r_mcangle_it	1.208
r_mcbond_it	0.713
r_symmetry_hbond_refined	0.392
r_nbtor_refined	0.304
r_symmetry_vdw_refined	0.274
r_nbd_refined	0.22
r_xyhbond_nbd_refined	0.176
r_chiral_restr	0.101
r_bond_refined_d	0.023
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2586
Nucleic Acid Atoms
Solvent Atoms	68
Heterogen Atoms	28

Software

Software
Software Name	Purpose
Blu-Ice	data collection
AMoRE	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling