1P5U

X-ray structure of the ternary Caf1M:Caf1:Caf1 chaperone:subunit:subunit complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.9	293	PEG 8000, calcium acetate, cacodylate, pH 5.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 178.816	α = 90
b = 69.62	β = 90
c = 45.271	γ = 90

Symmetry
Space Group	P 21 21 2

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		2002-09-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.933	ESRF	ID14-2

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	1.99	87.71		0.086	5.4	5.4	34536	34536			23.9

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)
	1.99	2.15	82		0.24	3	3.4

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	Refined model of binary Caf1M:Caf1 pre-assembly complex	1.99	87.71	34445	32723	1754	87.28	0.1682	0.16555	0.21634	RANDOM	17.994

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]
0.79			-0.36		-0.43

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	7.204
r_scangle_it	5.602
r_scbond_it	3.522
r_mcangle_it	2.264
r_angle_refined_deg	2.06
r_mcbond_it	1.31
r_angle_other_deg	0.954
r_symmetry_vdw_other	0.289
r_nbd_other	0.266
r_symmetry_vdw_refined	0.241
r_nbd_refined	0.199
r_xyhbond_nbd_refined	0.155
r_symmetry_hbond_refined	0.147
r_chiral_restr	0.136
r_nbtor_other	0.093
r_bond_refined_d	0.027
r_gen_planes_refined	0.01
r_gen_planes_other	0.005
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_xyhbond_nbd_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	3692
Nucleic Acid Atoms
Solvent Atoms	290
Heterogen Atoms

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing
REFMAC	refinement
CCP4	data scaling