4TR6

Crystal structure of DNA polymerase sliding clamp from Bacillus subtilis

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION		293	0.1M bis tris pH 6.5 and 28% PEG MME 2000

Crystal Properties
Matthews coefficient	Solvent content
2.69	45.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.22	α = 65.77
b = 68.33	β = 82.84
c = 85.31	γ = 86.79

Symmetry
Space Group	P 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	MARMOSAIC 225 mm CCD		2007-04-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	1.00153	SLS	X10SA

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	1.5	42.8	95.9	16.36	4.8		135911			24.22

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.5	21.96	135877	6815	96.07	0.1775	0.1761	0.2041	RANDOM	32.03

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]
-3.4179	4.0137	-1.8942	-1.2695	0.3945	4.6874

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	13.68
t_omega_torsion	3.89
t_angle_deg	1.2
t_bond_d	0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11720
Nucleic Acid Atoms
Solvent Atoms	763
Heterogen Atoms	1

Software

Software
Software Name	Purpose
BUSTER	refinement