2HII

heterotrimeric PCNA sliding clamp

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5	298	18-20% PEG 3350, 150mM ammonium citrate, 100mM Bis-Tris, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K, pH 5.50

Crystal Properties
Matthews coefficient	Solvent content
2.55	51.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.519	α = 89.8
b = 87.179	β = 86.36
c = 135.874	γ = 78.33

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	ADSC QUANTUM 315		2005-12-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 12.3.1		ALS	12.3.1

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	2.79	50	93.2	0.077	12.3	3.7		37657

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	2.79	2.9	68.4		0.238		3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	2.79	20	37555	37555	1892	92.8	0.218	0.215	0.282	RANDOM	32.63

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]
5.69	3	2.06	-3.09	0.36	-4.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.425
r_dihedral_angle_3_deg	22.018
r_dihedral_angle_4_deg	18.501
r_dihedral_angle_1_deg	6.029
r_scangle_it	1.962
r_angle_refined_deg	1.389
r_scbond_it	1.291
r_mcangle_it	0.635
r_mcbond_it	0.476
r_nbtor_refined	0.313
r_nbd_refined	0.233
r_symmetry_vdw_refined	0.172
r_xyhbond_nbd_refined	0.131
r_symmetry_hbond_refined	0.115
r_chiral_restr	0.103
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	11550
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

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