8BY0

streptavidin mutant S112I K121R 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	2.0 M ammonium sulfate 0.1 M sodium acetate (soaking under pH 6.0)

Crystal Properties
Matthews coefficient	Solvent content
2.29	46.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.428	α = 90
b = 57.428	β = 90
c = 183.123	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		2022-08-28	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	2.1	45.78	99.8	0.18	0.191	0.065	0.998	10.3	15.5		9422

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	2.1	2.16			2.279	2.424	0.824	0.573		16.5

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	NONE	2.1	41.862	9206	449	97.718	0.216	0.2143	0.2507	44.64

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]
-2.85			-2.85		5.7

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_6_deg	16.517
r_dihedral_angle_3_deg	15.271
r_dihedral_angle_2_deg	9.991
r_lrange_it	8.302
r_lrange_other	8.288
r_dihedral_angle_1_deg	7.19
r_scangle_it	5.765
r_scangle_other	5.633
r_mcangle_it	4.8
r_mcangle_other	4.797
r_scbond_it	4.085
r_scbond_other	3.989
r_mcbond_it	3.34
r_mcbond_other	3.338
r_angle_refined_deg	2.174
r_angle_other_deg	0.921
r_nbd_refined	0.219
r_symmetry_nbd_other	0.209
r_nbtor_refined	0.189
r_symmetry_nbd_refined	0.154
r_nbd_other	0.133
r_xyhbond_nbd_refined	0.112
r_symmetry_nbtor_other	0.104
r_chiral_restr	0.069
r_symmetry_xyhbond_nbd_refined	0.055
r_gen_planes_refined	0.008
r_bond_refined_d	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	928
Nucleic Acid Atoms
Solvent Atoms	12
Heterogen Atoms	56

Software

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