7MAS

Drug Resistant HIV-1 Protease (L10F, M46I, I50V, F53L, L63P, G73S) in Complex with DRV

• PDB DOI: https://doi.org/10.2210/pdb7MAS/pdb

• Classification: HYDROLASE/HYDROLASE INHIBITOR
• Organism(s): Human immunodeficiency virus type 1 (BRU ISOLATE)
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2021-03-31 Released: 2022-11-09 
• Deposition Author(s): Lockbaum, G.J., Schiffer, C.A.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.225 
• R-Value Work: 0.202 
• R-Value Observed: 0.203 

Literature

Drug Resistant HIV-1 Protease (L10F, M46I, I50V, F53L, L63P, G73S) in Complex with DRV

Lockbaum, G.J., Schiffer, C.A.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 44.35 kDa 
• Atom Count: 3,475 
• Modelled Residue Count: 396 
• Deposited Residue Count: 396 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protease	A [auth B], B [auth D], C, D [auth A]	99	Human immunodeficiency virus type 1 (BRU ISOLATE)	Mutation(s): 6  Gene Names: gag-pol EC: 3.4.23.16
UniProt
Find proteins for P03367 (Human immunodeficiency virus type 1 group M subtype B (isolate BRU/LAI)) Explore P03367  Go to UniProtKB:  P03367

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
017 (Subject of Investigation/LOI)	E [auth C], F [auth A]	(3R,3AS,6AR)-HEXAHYDROFURO[2,3-B]FURAN-3-YL(1S,2R)-3-[[(4-AMINOPHENYL)SULFONYL](ISOBUTYL)AMINO]-1-BENZYL-2-HYDROXYPROPYLCARBAMATE C27 H37 N3 O7 S CJBJHOAVZSMMDJ-HEXNFIEUSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.225 
• R-Value Work: 0.202 
• R-Value Observed: 0.203 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.739	α = 90
b = 36.28	β = 98.66
c = 103.508	γ = 90

Software Package:

Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
PHENIX	refinement
Coot	model building
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-11-09 
Deposition Author(s): Lockbaum, G.J., Schiffer, C.A.

---

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	P01-GM109767

Revision History  

• Version 1.0: 2022-11-09
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description