3T11

Dimeric inhibitor of HIV-1 protease.

• PDB DOI: https://doi.org/10.2210/pdb3T11/pdb

• Classification: HYDROLASE/HYDROLASE INHIBITOR
• Organism(s): Human immunodeficiency virus 1
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2011-07-21 Released: 2012-08-22 
• Deposition Author(s): Brynda, J., Rezacova, P., Saskova, G.K., Kozisek, M., Konvalinka, J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.22 Å
• R-Value Free: 0.256 
• R-Value Work: 0.183 
• R-Value Observed: 0.186 

Starting Model: experimental

Literature

Dimeric inhibitor of HIV-1 protease.

Brynda, J., Rezacova, P., Saskova, G.K., Kozisek, M., Konvalinka, J.

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)

Macromolecule Content

• Total Structure Weight: 22.69 kDa 
• Atom Count: 1,668 
• Modelled Residue Count: 198 
• Deposited Residue Count: 198 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HIV-1 Protease	A, B	99	Human immunodeficiency virus 1	Mutation(s): 0  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 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
3T1	C [auth A], F [auth B]	(3S,11S)-11-(3-chloro-4-hydroxy-5-methoxyphenyl)-3-phenyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one C26 H23 Cl N2 O3 OSQNVTKXOKFBHH-LMKMVOKYSA-N
BME	E [auth A], G [auth B]	BETA-MERCAPTOETHANOL C2 H6 O S DGVVWUTYPXICAM-UHFFFAOYSA-N
CL	D [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Binding Affinity Annotations
ID	Source	Binding Affinity
3T1	BindingDB:  3T11	IC50: 4300 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.22 Å
• R-Value Free: 0.256 
• R-Value Work: 0.183 
• R-Value Observed: 0.186 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 30.755	α = 90
b = 49.221	β = 90
c = 122.524	γ = 90

Software Package:

Software Name	Purpose
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-08-22 
Deposition Author(s): Brynda, J., Rezacova, P., Saskova, G.K., Kozisek, M., Konvalinka, J.

Revision History  

• Version 1.0: 2012-08-22
  Type: Initial release
  
• Version 1.1: 2017-11-08
  Changes: Refinement description
• Version 1.2: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description