1R6O

ATP-dependent Clp protease ATP-binding subunit clpA/ATP-dependent Clp protease adaptor protein clpS

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1			294	Drop: 0.02M Tris HCl (pH 8.5), 2mM ZnCl2, 10% (w/v) glycerol; Precipitant: 0.1M bis-tris (pH 6.5), 32% (w/v) glycerol, 0.01-0.015M yttrium chloride, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
4.14	70.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.436	α = 90
b = 87.436	β = 90
c = 212.955	γ = 120

Symmetry
Space Group	P 31 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	CCD	ADSC QUANTUM 4	mirrors	2002-06-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X9B	1.2823	NSLS	X9B

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	2.25	50	0.991	0.049	0.049	27.7	4.8	45504	45504	-2	-2

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)
1	2.25	2.3	0.94		0.68	0.68	1.75	3.8	3745

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 (All)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	THROUGHOUT	2.25	20	43921	43921	922	98.36	0.19022	0.19022	0.18991	0.20546	RANDOM	36.269

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]
-0.57	-0.28		-0.57		0.85

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.205
r_scangle_it	8.159
r_scbond_it	5.769
r_mcangle_it	3.224
r_dihedral_angle_1_deg	2.346
r_mcbond_it	1.282
r_angle_refined_deg	1.025
r_symmetry_hbond_refined	0.273
r_symmetry_vdw_refined	0.184
r_nbd_refined	0.182
r_chiral_restr	0.167
r_xyhbond_nbd_refined	0.147
r_metal_ion_refined	0.145
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_2_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3765
Nucleic Acid Atoms
Solvent Atoms	277
Heterogen Atoms	83

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
MLPHARE	phasing