SMTL ID : 3ufn.1

Crystal Structure of Multidrug Resistant HIV-1 Protease Clinical Isolate PR20 in Complex with Saquinavir

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.45 Å

Oligo State

homo-dimer

Ligands

2 x ROC: (2S)-N-[(2S,3R)-4-[(2S,3S,4aS,8aS)-3-(tert-butylcarbamoyl)-3,4,4a,5,6,7,8,8a-octahydro-1H-isoquinolin-2-yl]-3-hydroxy-1 -phenyl-butan-2-yl]-2-(quinolin-2-ylcarbonylamino)butanediamide(Non-covalent)

ROC.1: 23 residues within 4Å: Chain A: D.25, G.27, A.28, D.29, N.30, V.47, G.48, G.49, I.50, T.80, P.81 Chain B: R.8, D.25, G.27, N.30, V.47, G.48, G.49, I.50, V.82, V.84 Ligands: ROC.2, CL.3 17 PLIP interactions: 12 interactions with chain A, 5 interactions with chain B Hydrophobic interactions: A:P.81, B:V.47, B:I.50, B:V.82, B:V.84 Hydrogen bonds: A:G.27, A:G.27, A:G.27, A:D.29, A:N.30, A:N.30, A:G.48, A:G.48, A:G.48 Water bridges: A:I.50 Salt bridges: A:D.25, B:D.25 ROC.2: 9 residues within 4Å: Chain A: R.8, F.10, L.23, P.81, V.82 Chain B: G.27, D.29 Ligands: ROC.1, CL.3 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:L.23, A:P.81, A:V.82 Hydrogen bonds: A:R.8 Water bridges: A:R.8, A:E.21 pi-Cation interactions: A:R.8

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.3: 5 residues within 4Å: Chain B: A.28, D.29, N.30 Ligands: ROC.1, ROC.2 Ligand excluded by PLIP CL.4: 3 residues within 4Å: Chain B: K.20, E.21, N.83 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Agniswamy, J. et al., HIV-1 protease with 20 mutations exhibits extreme resistance to clinical inhibitors through coordinated structural rearrangements. Biochemistry (2012)

Release Date

2012-03-28

Peptides

HIV-1 protease: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

HIV-1 protease

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