6ATY

Exploring Cystine Dense Peptide Space to Open a Unique Molecular Toolbox

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.2	298	0.1 M Phosphate-citrate pH 4.2, 40% Ethanol, 5% PEG 000

Crystal Properties
Matthews coefficient	Solvent content
1.89	34.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.775	α = 90
b = 39.775	β = 90
c = 68.563	γ = 120

Symmetry
Space Group	P 63 2 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	RIGAKU SATURN 944+		2016-04-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.54

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.8	50	90	105.8	16.9		10167

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.8	1.83	27.6		0.103	0.67	0.983	11.6	2.3

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.8	34.45	2905	140	91.97	0.16899	0.16614	0.22294	RANDOM	18.233

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		0.01		-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.79
r_dihedral_angle_3_deg	10.875
r_dihedral_angle_1_deg	7.734
r_long_range_B_other	6.094
r_long_range_B_refined	6.093
r_dihedral_angle_4_deg	4.469
r_scangle_other	3.548
r_mcangle_it	2.569
r_mcangle_other	2.562
r_scbond_it	2.244
r_scbond_other	2.201
r_angle_refined_deg	1.713
r_mcbond_it	1.601
r_mcbond_other	1.572
r_angle_other_deg	0.932
r_chiral_restr	0.126
r_bond_refined_d	0.015
r_gen_planes_refined	0.009
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	280
Nucleic Acid Atoms
Solvent Atoms	38
Heterogen Atoms	6

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing