Table 1 Cryo-EM reconstruction statistics

From: An immobilized antibody-based affinity grid strategy for on-grid purification of target proteins enables high-resolution cryo-EM

 

Apoferritin (EMDB-38143)

CCT6-HR-ATP-AlFx (EMDB-38142)

TBCA-apoferritin-consensus (EMDB-38145)

TBCA-focused refined TBCA-apoferritin (EMDB-39651)

CCT6-HR (EMDB-38147)

Data collection

 Microscope

Titan Krios

Glacios

 Camera

K2

K3

Falcon 4i

 Magnification

29,000

81,000

130,000

 Voltage (kV)

300

300

200

 Electron exposure (e−/Å2)

41

56.8

50

 Defocus range (μm)

−1.0 ~ −2.0

−0.6 ~ −2.5

−0.6 ~ −2.5

 Pixel size (Å)

0.81

0.86

0.89

Reconstruction

 Software

RELION 3.1

RELION 3.1 & cryoSPARC 4.2.1

 Symmetry imposed

O

D8

O

C1

D8

 Initial particle images (no.)

107,179

440,563

145,772

898,560

391,997

 Final particle images (no.)

43,720

144,370

37,440

109,152

83,979

 Map resolution (Å)

2.5

2.6

2.4

2.8

2.8

 Map resolution range (Å)

2.4–3.0

2.5–3.0

2.2–4.0

2.5–5.0

2.5–3.5

 FSC threshold

0.143