1MTR

HIV-1 PROTEASE COMPLEXED WITH A CYCLIC PHE-ILE-VAL PEPTIDOMIMETIC INHIBITOR


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.75 Å
  • R-Value Free: 0.244 
  • R-Value Work: 0.179 
  • R-Value Observed: 0.179 

wwPDB Validation   3D Report Full Report


This is version 1.8 of the entry. See complete history


Literature

Substrate-based cyclic peptidomimetics of Phe-Ile-Val that inhibit HIV-1 protease using a novel enzyme-binding mode.

March, D.R.Abbenante, G.Bergman, D.A.Brinkworth, R.I.Wickramasinghe, W.Begun, J.Martin, J.L.Fairlie, D.P.

(1996) J Am Chem Soc 118: 3375-3379


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
HIV-1 PROTEASE
A, B
99Human immunodeficiency virus 1Mutation(s): 4 
EC: 3.4.23.16
UniProt
Find proteins for P03369 (Human immunodeficiency virus type 1 group M subtype B (isolate ARV2/SF2))
Explore P03369 
Go to UniProtKB:  P03369
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP03369
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
PI6
Query on PI6

Download Ideal Coordinates CCD File 
E [auth B][1-BENZYL-3-(8-SEC-BUTYL-7,10-DIOXO-2-OXA-6,9-DIAZA-BICYCLO[11.2.2] HEPTADECA-1(16),13(17),14-TRIEN-11-YLAMINO)-2-HYDROXY-PROPYL]-CARBAMIC ACID TERT-BUTYL ESTER
C33 H48 N4 O6
RFUKEYSMPSCDLJ-CLFZCTPNSA-N
SO4
Query on SO4

Download Ideal Coordinates CCD File 
C [auth A],
D [auth A],
F [auth B]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
ABA
Query on ABA
A, B
L-PEPTIDE LINKINGC4 H9 N O2ALA
Binding Affinity Annotations 
IDSourceBinding Affinity
PI6 Binding MOAD:  1MTR Ki: 4 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.75 Å
  • R-Value Free: 0.244 
  • R-Value Work: 0.179 
  • R-Value Observed: 0.179 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 51.4α = 90
b = 58.7β = 90
c = 62γ = 90
Software Package:
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
PROCESSdata reduction
PROCESSdata scaling
X-PLORphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1996-08-01
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance
  • Version 1.3: 2011-08-24
    Changes: Non-polymer description
  • Version 1.4: 2012-07-25
    Changes: Non-polymer description
  • Version 1.5: 2012-09-19
    Changes: Non-polymer description
  • Version 1.6: 2012-12-12
    Changes: Other
  • Version 1.7: 2021-11-03
    Changes: Database references, Derived calculations, Other
  • Version 1.8: 2023-08-09
    Changes: Refinement description