Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/3REH
DNA (145-MER)Histone H2A type 1Histone H2B 1.1Histone H3.2Histone H4MANGANESE (II) IONSULFATE ION
crystal structureangstromnucleosomecore
https://pubmed.ncbi.nlm.nih.gov/19653995/
The 26S proteasome is the most downstream element of the ubiquitin-proteasome pathway of protein degradation. It is composed of the 20S core particle (CP) and...
atomic modelaaa atpasecore particlesubcomplex
https://www.adafruit.com/product/2403
Adafruit Industries, Unique & fun DIY electronics and kits : -
adafruit industriesparticlemakerkitcore