2OUM

The first domain of L1 from Thermus thermophilus

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8.5	277	30% v/v polyethylenglycol 4K, 100 mM Tris-HCl, 200 mM acetate Na, pH 8.5, VAPOR DIFFUSION, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
1.86	33.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 31.7	α = 90
b = 45.32	β = 100.74
c = 37.89	γ = 90

Symmetry
Space Group	P 1 21 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	CCD	MAR CCD 165 mm		2006-03-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA		SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.55	15	94.4	0.16	0.119	8.8	3.3	3594	3392			52.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.55	2.6	89.1		0.431	0.351	3.5	3	202

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	The first domain of L1 from Thermus thermophilus	2.55	15	3356	3356	154	100	0.18147	0.18147	0.17737	0.26973	RANDOM	34.255

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]
-2.19		-0.07	-0.46		2.62

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	22.426
r_scangle_it	12.318
r_mcangle_it	11.289
r_dihedral_angle_3_deg	10.321
r_scbond_it	9.543
r_mcbond_it	9.195
r_dihedral_angle_4_deg	5.82
r_dihedral_angle_1_deg	2.412
r_angle_refined_deg	1.32
r_nbtor_refined	0.317
r_nbd_refined	0.238
r_symmetry_vdw_refined	0.228
r_symmetry_hbond_refined	0.173
r_xyhbond_nbd_refined	0.169
r_chiral_restr	0.086
r_bond_refined_d	0.01
r_gen_planes_refined	0.008
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	1002
Nucleic Acid Atoms
Solvent Atoms	23
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing