1NA0

Design of Stable alpha-Helical Arrays from an Idealized TPR Motif

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	277	Tris, PEG 4000, MgCl2, IPTG, NaCl, pH 8., VAPOR DIFFUSION, HANGING DROP at 277K

Crystal Properties
Matthews coefficient	Solvent content
2.16	42.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 102.734	α = 90
b = 46.56	β = 99.11
c = 52.517	γ = 90

Symmetry
Space Group	C 1 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 315			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	1.100	NSLS	X25

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	1.6	33.9	99.6	0.048	0.048	29.6	3.4	29432	22432		-3

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)
	1.6	1.66	99.7		0.82	0.82	1.6

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.6	33.9	29432	29432	2953	100	0.1858	0.18271	0.21598	RANDOM	12.652

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]
-1.7		-0.12	-0.45		2.11

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	4.774
r_dihedral_angle_1_deg	4.446
r_scbond_it	3.08
r_angle_refined_deg	1.598
r_mcangle_it	1.496
r_angle_other_deg	0.915
r_mcbond_it	0.841
r_symmetry_vdw_other	0.252
r_xyhbond_nbd_refined	0.241
r_nbd_other	0.24
r_nbd_refined	0.235
r_symmetry_vdw_refined	0.207
r_symmetry_hbond_refined	0.205
r_chiral_restr	0.139
r_nbtor_other	0.086
r_bond_refined_d	0.016
r_gen_planes_refined	0.012
r_bond_other_d	0.002
r_gen_planes_other	0.001
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	1966
Nucleic Acid Atoms
Solvent Atoms	157
Heterogen Atoms	43

Software

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