8BY1

streptavidin with an iridium catalyst for CH activation

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4	293	2 M ammonium sulfate 0.1 M sodium acetate (soaking at pH 6.0)

Crystal Properties
Matthews coefficient	Solvent content
2.92	57.87

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.657	α = 90
b = 57.657	β = 90
c = 183.626	γ = 90

Symmetry
Space Group	I 41 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	PIXEL	DECTRIS EIGER X 16M		2022-09-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	0.99988	SLS	X06SA

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	1.486	45.949	99.9	0.073	0.076	0.02	1	23.7	25.3		26068

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	1.49	1.51			2.237	2.357	0.722	0.556		19.4

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	NONE	2BC3	1.486	45.949	25913	1366	99.348	0.174	0.1729	0.1945	24.472

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]
-0.47			-0.47		0.94

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_6_deg	16.708
r_dihedral_angle_3_deg	11.628
r_dihedral_angle_1_deg	7.293
r_lrange_it	6.591
r_lrange_other	6.568
r_dihedral_angle_2_deg	5.907
r_scangle_it	5.294
r_scangle_other	4.991
r_scbond_it	3.421
r_scbond_other	3.208
r_mcangle_it	3.182
r_mcangle_other	3.18
r_mcbond_it	2.162
r_mcbond_other	2.161
r_angle_refined_deg	1.882
r_angle_other_deg	0.623
r_symmetry_nbd_refined	0.235
r_nbd_refined	0.213
r_symmetry_nbd_other	0.204
r_nbd_other	0.189
r_nbtor_refined	0.181
r_xyhbond_nbd_refined	0.177
r_symmetry_xyhbond_nbd_refined	0.104
r_symmetry_xyhbond_nbd_other	0.091
r_symmetry_nbtor_other	0.088
r_chiral_restr	0.086
r_bond_refined_d	0.012
r_gen_planes_refined	0.011
r_bond_other_d	0.009
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	924
Nucleic Acid Atoms
Solvent Atoms	87
Heterogen Atoms	55

Software

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