7MCC

Crystal structure of an AI-designed TIM-barrel F2C

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
in silico model	AlphaFold		AI designed model

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6	292	25% PEG 3350, 0.15 M Li2SO4, 0.1 M Bis Tris (pH 6.0)

Crystal Properties
Matthews coefficient	Solvent content
2.38	48.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.75	α = 90
b = 55.73	β = 90
c = 78.72	γ = 90

Symmetry
Space Group	P 21 21 21

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	Rh coated collimating mirrors, K-B focusing mirrors	2021-01-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL12-2	0.97946	SSRL	BL12-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim 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	1.46	39.36	99.8	0.072	0.075	0.999	16.87	12.828		34828			29.039

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.46	1.5	99.8		1.645	1.711	0.718	1.59	13.075

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	AI designed model	1.46	39.36	33097	1742	99.77	0.1756	0.1734	0.2186	RANDOM	27.311

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]
-1.79			3.11		-1.32

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.29
r_dihedral_angle_4_deg	13.071
r_dihedral_angle_3_deg	12.438
r_rigid_bond_restr	6.309
r_dihedral_angle_1_deg	4.549
r_angle_other_deg	1.452
r_angle_refined_deg	1.432
r_chiral_restr	0.069
r_bond_refined_d	0.01
r_bond_other_d	0.008
r_gen_planes_refined	0.008
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1447
Nucleic Acid Atoms
Solvent Atoms	178
Heterogen Atoms	20

Software

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