Experiment: 3K2R

Crystal Structure of Spin Labeled T4 Lysozyme Mutant K65V1/R76V1

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	2.2M dibasic potassium phosphate and monobasic sodium phosphate, 0.15M sodium chloride, 100mM 1,6 hexanediol, pH 7.0, vapor diffusion, hanging drop, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.21

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.547	α = 90
b = 59.547	β = 90
c = 95.28	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++	CONFOCAL MIRRORS (BLUE OPTICS)	2008-02-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-D	1.5418

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	1.5	80	96.8	0.058	20.4	5.7		30957			20.8

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	1.5	1.55	76.2		0.368	2.16	2.4	2395

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3LZM	1.5	25.248	1.36	30920	1562	96.79	0.198	0.197	0.212	0.2301	RANDOM	19.139

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]
1.349			1.349		-3.717

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	18.148
f_angle_d	1.16
f_chiral_restr	0.066
f_plane_restr	0.042
f_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1284
Nucleic Acid Atoms
Solvent Atoms	149
Heterogen Atoms	41

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction