1HPX Hydrolase Hydrolase Inhibitor date May 18, 1995
title Hiv-1 Protease Complexed With The Inhibitor Kni-272
authors T.N.Bhat, J.W.Erickson
compound source
Molecule: Hiv-1 Protease
Chain: A, B
Engineered: Yes
Organism_scientific: Human Immunodeficiency Virus 1
Organism_taxid: 11676
Strain: Hivlai
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 21 21 21
R_factor 0.170 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
51.900 59.100 62.300 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand KNI enzyme
related structures by homologous chain: 1A8K, 1HIV
A, B

Primary referenceStructure of HIV-1 protease with KNI-272, a tight-binding transition-state analog containing allophenylnorstatine., Baldwin ET, Bhat TN, Gulnik S, Liu B, Topol IA, Kiso Y, Mimoto T, Mitsuya H, Erickson JW, Structure 1995 Jun 15;3(6):581-90. PMID:8590019
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (37 Kb) [Save to disk]
  • Biological Unit Coordinates (1hpx.pdb1.gz) 33 Kb
  • LPC: Ligand-Protein Contacts for 1HPX
  • CSU: Contacts of Structural Units for 1HPX
  • Likely Quarternary Molecular Structure file(s) for 1HPX
  • Retrieve 1HPX in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1HPX from S2C, [Save to disk]
  • View 1HPX in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1HPX
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1HPX, from MSDmotif at EBI
  • Genome occurence of 1HPX's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1hpxa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1hpxb_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1hpx from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1hpx] [1hpx_B] [1hpx_A]
  • SWISS-PROT database: [P03367]
  • Domain organization of [POL_HV1BR] by SWISSPFAM
  • Other resources with information on 1HPX
  • Community annotation for 1HPX at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 1HPX from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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