3DN4

Iodobenzene binding in the hydrophobic cavity of T4 lysozyme L99A mutant

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.9	277	2.0-2.2 M K/Na phosphate, pH 6.9, 5mM BME and 5mM oxidized BME. Complexes were prepared by soaking or vapor diffusion methods, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.68	54.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.982	α = 90
b = 59.982	β = 90
c = 95.991	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	100	IMAGE PLATE	RIGAKU RAXIS IV		2005-03-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	1.542

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.8	53	95.9				18278	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.8	1.86	90.6

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	PDB entry 3DMV	1.8	45.69	17262	934	96.22	0.18702	0.18505	0.22292	RANDOM	21.672

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]
-0.26	-0.13		-0.26		0.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.691
r_dihedral_angle_4_deg	14.795
r_dihedral_angle_3_deg	11.877
r_dihedral_angle_1_deg	4.77
r_scangle_it	2.058
r_scbond_it	1.278
r_angle_refined_deg	1.001
r_mcangle_it	0.791
r_mcbond_it	0.455
r_nbtor_refined	0.293
r_symmetry_vdw_refined	0.193
r_nbd_refined	0.185
r_symmetry_hbond_refined	0.174
r_xyhbond_nbd_refined	0.125
r_chiral_restr	0.061
r_bond_refined_d	0.008
r_gen_planes_refined	0.003
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	1326
Nucleic Acid Atoms
Solvent Atoms	212
Heterogen Atoms	48

Software

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