| Summary: | Raw, unprocessed SEM data images for Figure 1 of the manuscript: Scanning electron microscope images of "type-1 bone collagen" demineralized bone matrix fibrils. (A) Fibrils from the B . taurus extant long bone control. Prominent banding (~67nm) is present that is characteristic of type-1 collagen protein fibrils (Boatman et al., 2019; Gottardi et al., 2016; Lin et al., 1993; Rabotyagova et al., 2008; Tzaphlidou, 2005). (B) Permafrost YG 610.2397 M . primigenius demineralized bone matrix fibrils. An ~67nm banding pattern on the fibrils is also observed but is somewhat less distinct in comparison to that of the extant B . taurus specimen. (C) Observed fibril structures in the temperate MOR 91.72 M . columbi specimen. Fibril banding is generally absent, suggesting the original chemical state of the type-1 collagen fibrils/sequences is substantially altered. The files are "Tiff" file format, so any program that can open "Tiff" images should be able to open these files for viewing. File 03-03-2022_Cow_Collagen_m01_300dpi.tif corresponds to Figure 1a File 01-21-2022_Woolly_Mammoth_collagen_m01_m02_300dpi.tif corresponds to Figure 1b File 03-14-2022_MOR501_Collagen_m03_300dpi.tif corresponds to Figure 1c Funding provided by: Private Donors (Lynn and Susan Packard Orr; Vance and Gayle Mullis)* Crossref Funder Registry ID: Award Number:
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