3BFV

crystal structure of the chimerical protein CapAB

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ION	PDB 1ION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.8	298	23 % PEG 1000, 0.1 M Tris-HCl, pH 8.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 8.80

Crystal Properties
Matthews coefficient	Solvent content
1.93	36.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.46	α = 107.71
b = 52.52	β = 89.95
c = 68.11	γ = 110.32

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			2007-04-16	M	SINGLE WAVELENGTH
2	1	x-ray		M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2		ESRF	ID23-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.8	20	98.7	0.088	9.35			39022		1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.8	1.9	99		0.303

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB 1ION	1.8	19.94	39022	2054	100	0.18	0.178	0.217	RANDOM	11.48

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]
				0.01	0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.772
r_dihedral_angle_4_deg	20.082
r_dihedral_angle_3_deg	12.204
r_dihedral_angle_1_deg	5.713
r_scangle_it	2.231
r_scbond_it	1.421
r_angle_refined_deg	1.151
r_mcangle_it	0.935
r_mcbond_it	0.586
r_nbtor_refined	0.301
r_nbd_refined	0.186
r_symmetry_vdw_refined	0.15
r_symmetry_hbond_refined	0.122
r_xyhbond_nbd_refined	0.094
r_chiral_restr	0.078
r_bond_refined_d	0.008
r_gen_planes_refined	0.003
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	3728
Nucleic Acid Atoms
Solvent Atoms	418
Heterogen Atoms	56

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing