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Description
Rabbit skeletal muscle fibers were minced in an ATP-containing relaxing buffer and dissociated into thick and thin filaments by mild blending. The isolated filaments were then deposited onto mica flakes, quick-frozen by contact with a liquid helium- cooled copper block in a Heuser-type cryopress, and freeze-etched in a Balzers 400 freeze fracture machine. The sample was then rotary-replicated with Pt-C at 11 degrees and visualized in a JEOL 100CX2 transmission electron microscope operating at 100 kev. Images were recorded on Kodak 4489 film at 75,000x magnification. Stereo pairs were taken at +5 and -5 degrees. Films were scanned with a 20 micrometer pixel spacing on a Nikon Coolscan 9000ED. All the filaments seen in this micrograph are thin, actin-containing filaments. Note the striped appearance representing a helical rise due to subunit packing of g-actin monomers. A few hemocyanin molecules were included in this preparation for size calibration. LEFT image a of stereo pair. Research Data Curation Program, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/rdcp) Ip, Wallace (2021). CIL:830, Oryctolagus cuniculus, skeletal muscle cell. In Cell Image Library. UC San Diego Library Digital Collections. Dataset. https://doi.org/10.6075/J0DJ5DXN
Type
image
Identifier
ark:/20775/bb2532475v
Language
No linguistic content
Subject
Structural constituent of muscle Skeletal muscle contraction Cytoskeleton Skeletal muscle cell Oryctolagus cuniculus Cell Image Library Group ID: 1846
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