SARS: 1P9S.pdb (HCoV M(pro), 1P9U.pdb (TGEV M(pro) + peptide), 1LVO.pdb (TGEV M(pro), 1UJ1.pdb (SARS-CoV M(pro)), 1UK2.pdb (SARS-CoV M(pro) pH 8.0), 1UK3.pdb (SARS-CoV M(pro) pH 7.6), 1UK4.pdb (SARS-CoV M(pro) + inhibitor)

Our Science and PNAS publications on Coronavirus main proteinases
SARS worldwide: WHO, CDC, MSB, HPA

HIV: 1IZI (HIV PR), 1IZH (HIV PR)
Legionella pneumophila: 1FD9 (Mip)
Streptococcus dysgalactiae subsp. equisimilis: 1VJ7 (RelSeq)

Scientific illustrations (SARS, HIV, etc.): RKM