1P5V

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

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	PEG 4000, Tris-HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.05	39.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36	α = 90
b = 69.23	β = 92.96
c = 69.11	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	ADSC QUANTUM 4		2001-06-30	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	ADSC QUANTUM 4		2001-12-06	M	MAD
3	1	x-ray	100	CCD	ADSC QUANTUM 4		2001-11-16	M	MAD
4	1	x-ray	100	CCD	MARRESEARCH		2002-03-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.933	ESRF	ID14-2
2	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.9798, 0.9801	ESRF	ID14-4
3	SYNCHROTRON	ESRF BEAMLINE ID29	0.9798, 0.9801	ESRF	ID29
4	SYNCHROTRON	MAX II BEAMLINE I711	1.076	MAX II	I711

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
1,2,3,4	1.7	20	90.5	0.077	20.9	3.3	34122	34122			20.3

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)
	1.7	1.75	69.5		0.791	1.6		2587

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.7	20	34122	32386	1711	91	0.201	0.201	0.198	0.244	RANDOM	13.07

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]
0.98		0.37	-1.85		0.9

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	7.518
r_scangle_it	4.621
r_scbond_it	3.034
r_angle_refined_deg	2.218
r_mcangle_it	2.171
r_mcbond_it	1.324
r_angle_other_deg	0.984
r_symmetry_vdw_other	0.343
r_symmetry_vdw_refined	0.263
r_nbd_other	0.257
r_nbd_refined	0.255
r_symmetry_hbond_refined	0.217
r_chiral_restr	0.15
r_xyhbond_nbd_refined	0.143
r_nbtor_other	0.095
r_bond_refined_d	0.027
r_gen_planes_refined	0.01
r_bond_other_d	0.003
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2512
Nucleic Acid Atoms
Solvent Atoms	138
Heterogen Atoms

Software

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