Supplementary Figure 1: The chemical structures of nicotinamide riboside (NR), nicotinamide mononucleotide (NMN) and nicotinamide adenine dinucleotide (NAD).
From: Crystal structure of the vitamin B3 transporter PnuC, a full-length SWEET homolog

From: Crystal structure of the vitamin B3 transporter PnuC, a full-length SWEET homolog
