6MCS:
reference: Halogen bond interactions of novel HIV-1 protease inhibitors (PI)(GRL-001-15 and GRL-003-15) with the flap of protease are critical for their potent activity against wild-type and multi-PI-resistant HIV-1 variants., Hattori SI, Hayashi H, Bulut H, Rao KV, Nyalapatla PR, Hasegawa K, Aoki M, Ghosh AK, Mitsuya H, Antimicrob Agents Chemother. 2019 Apr 8. pii: AAC.02635-18. doi:, 10.1128/AAC.02635-18. PMID: 30962341

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