2CUU

Crystal structure of spin labeled T4 Lysozyme (V131R1)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1C6T

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.8	278	potassium phosphate, sodium phospahte, sodium choloride, sodium azide, oxidized beta-mercaptoehtanol, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 278K

Crystal Properties
Matthews coefficient	Solvent content
2.64	53.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.405	α = 90
b = 60.405	β = 90
c = 96.055	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++		2002-10-01	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 Sym 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	1.75	100	99.8	0.055	48.9	18	21086	21086			33

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.81	100		0.368	8.1		2062

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1C6T	1.75	51.99	19921	19921	1081	99.78	0.19238	0.19238	0.19066	0.22396	RANDOM	21.049

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]
0.62	0.31		0.62		-0.92

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.365
r_dihedral_angle_4_deg	10.862
r_dihedral_angle_3_deg	9.363
r_scangle_it	2.733
r_dihedral_angle_1_deg	2.659
r_scbond_it	1.816
r_angle_refined_deg	1.658
r_mcangle_it	1.024
r_mcbond_it	0.621
r_nbtor_refined	0.293
r_nbd_refined	0.2
r_symmetry_vdw_refined	0.166
r_symmetry_hbond_refined	0.15
r_xyhbond_nbd_refined	0.115
r_chiral_restr	0.087
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
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	1308
Nucleic Acid Atoms
Solvent Atoms	204
Heterogen Atoms	26

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing