1N0R

4ANK: A designed ankyrin repeat protein with four identical consensus repeats

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.4	293	sodium cacodylate, magnesium bromide, MPD, isopropanol, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.99	38.12

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 28.429	α = 90
b = 46.115	β = 90
c = 81.588	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	ADSC QUANTUM 210		2002-01-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	0.9199	ALS	8.3.1

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	1.5	46.14	99.78	0.07			17879	16966	1	1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	Single anomolous diffraction	THROUGHOUT	1.5	19.65	16966	913	99.92	0.21605	0.21763	0.21605	0.24916	RANDOM	9.619

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]
-0.04			0.02		0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	14.114
r_scangle_it	4.818
r_dihedral_angle_1_deg	3.492
r_scbond_it	3.173
r_mcangle_it	1.528
r_angle_refined_deg	1.487
r_mcbond_it	0.818
r_symmetry_hbond_refined	0.715
r_nbd_refined	0.246
r_xyhbond_nbd_refined	0.244
r_symmetry_vdw_refined	0.173
r_chiral_restr	0.094
r_bond_refined_d	0.011
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_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	946
Nucleic Acid Atoms
Solvent Atoms	86
Heterogen Atoms	2

Software

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