7ZXZ

dithiol-ligand bound to streptavidin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	298	0.1 M MIB, 25 % w/v PEG 1500

Crystal Properties
Matthews coefficient	Solvent content
2.27	45.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.324	α = 90
b = 80.79	β = 104.317
c = 46.657	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 2M-F		2021-05-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06DA	0.999997	SLS	X06DA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	1.45	45.249	97.4	0.079	0.094	0.05	0.998	11.7	6.7		50291

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.45	1.47			0.886	1.046	0.553	0.78		6.7

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2bc3	1.45	45.249	50261	2449	97.168	0.181	0.1799	0.204	18.912

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]
-0.741		0.694	-0.474		0.761

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	22.6
r_dihedral_angle_6_deg	16.857
r_dihedral_angle_3_deg	14.255
r_dihedral_angle_1_deg	7.507
r_lrange_it	6.718
r_lrange_other	6.639
r_scangle_it	4.899
r_scangle_other	4.898
r_scbond_it	3.419
r_scbond_other	3.419
r_mcangle_it	3.18
r_mcangle_other	3.18
r_mcbond_other	2.149
r_mcbond_it	2.147
r_angle_refined_deg	1.812
r_angle_other_deg	0.749
r_symmetry_nbd_refined	0.258
r_nbd_refined	0.228
r_symmetry_xyhbond_nbd_refined	0.212
r_symmetry_nbd_other	0.203
r_xyhbond_nbd_refined	0.19
r_nbtor_refined	0.185
r_nbd_other	0.17
r_chiral_restr	0.122
r_symmetry_xyhbond_nbd_other	0.09
r_symmetry_nbtor_other	0.087
r_bond_refined_d	0.012
r_gen_planes_refined	0.012
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1836
Nucleic Acid Atoms
Solvent Atoms	195
Heterogen Atoms	73

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Coot	model building
Aimless	data scaling
PDB_EXTRACT	data extraction
PHASER	phasing