5I5A

quasi racemic structure of allo-Ile7-ShK and D-ShK

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4LFS

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	292	2.1 M D/L-Malic acid NaCl

Crystal Properties
Matthews coefficient	Solvent content
1.73	29.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.849	α = 90
b = 17.656	β = 101.61
c = 49.469	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	PIXEL	DECTRIS PILATUS 6M-F		2015-03-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.7749	APS	24-ID-C

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	1.2	48.5	91	0.062	7.3	4.2		16200

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.2	1.23	89.9		0.36	0.954	3	4.2

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	4LFS	1.2	48.46	15373	827	90.17	0.15595	0.15389	0.19533	RANDOM	14.637

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]
-0.57		-0.17	1.05		-0.38

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	25.528
r_sphericity_free	23.573
r_dihedral_angle_1_deg	19.23
r_dihedral_angle_3_deg	13.08
r_dihedral_angle_4_deg	11.48
r_sphericity_bonded	8.102
r_long_range_B_other	3.682
r_long_range_B_refined	3.679
r_angle_refined_deg	2.231
r_scangle_other	2.076
r_scbond_it	1.838
r_scbond_other	1.83
r_angle_other_deg	1.805
r_rigid_bond_restr	1.745
r_mcangle_it	1.719
r_mcangle_other	1.717
r_mcbond_it	1.387
r_mcbond_other	1.387
r_chiral_restr	0.991
r_bond_refined_d	0.013
r_gen_planes_refined	0.012
r_bond_other_d	0.002
r_gen_planes_other	0.002
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	555
Nucleic Acid Atoms
Solvent Atoms	82
Heterogen Atoms	23

Software

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