File:Number of structures of Protein Data Bank (1976-2020).png - Wikimedia Commons
File:5H84 as recorded by PYMOL from the Protein Data Bank.png - Wikipedia
Protein - Wikipedia
RCSB PDB - 5CXP: X-ray crystallographic protein structure of the glycoside hydrolase family 30 subfamily 8 xylanase, Xyn30A, from Clostridium acetobutylicum
Protein secondary structure - Wikipedia
Protein tertiary structure - Wikipedia | Learn biology, Structural biology, Chemical kinetics
RCSB PDB - 1BXL: STRUCTURE OF BCL-XL/BAK PEPTIDE COMPLEX, NMR, MINIMIZED AVERAGE STRUCTURE