Compound PDB Complex indinavir 1C6Y 1HSG 1HSH 1K6C 1SDT 1SDU 1SDV 1SGU 2AVO 2AVS 2AVV 2B7Z 2BPX 2R5P nelfinavir 1OHR 2PYM 2PYN 2Q63 2Q64 2QAK 2R5Q 3EKX 3EL0 3EL5         saquinavir 1C6Z 1FB7 2NMW 2NMY 2NMZ 2NNK 2NNP 3CYX 3D1X 3D1Y 3EKQ 3EL4 3K4V 3N3I

Table 9: List of PDB entry code related to HIV-1 protease. List of PDB entry code related to HIV-1 protease structures in complex with indinavir, nelfinavir and saquinavir, respectively.