It refers to the crystal structure of a fatty acyl-CoA synthetase from Mycobacterium tuberculosis .

RCSB PDB - 3R44: Mycobacterium tuberculosis fatty acyl CoA synthetase. The Shards of Narsil (3R44) - LOTR-TCG Wiki The Shards of Narsil (3R44) - LOTR-TCG Wiki. wiki.lotrtcgpc.net

It denotes "The Shards of Narsil" card from the Tower Anthology or Realms of the Elf-lords expansion of Decipher’s The Lord of the Rings Trading Card Game.

💡 Where did you find or download this image?