Any use of the resources at S2C2 requires acknowledgement in publications as follows:

“Some of this work was performed at the Stanford-SLAC Cryo-EM Center (S2C2), which is supported by the National Institutes of Health Common Fund Transformative High-Resolution Cryo-Electron Microscopy program (U24 GM129541).  The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.  The authors would also like to thank the following S2C2 personnel for their invaluable support and assistance: <INSERT-NAMES>."