1DIF Aspartic Proteinase date Oct 09, 1995
title Hiv-1 Protease In Complex With A Difluoroketone Containing Inhibitor A79285
authors A.M.Silva, R.E.Cachau, H.L.Sham, J.W.Erickson
compound source
Molecule: Hiv-1 Protease
Chain: A, B
Synonym: Hiv-1 Pr
Engineered: Yes
Organism_scientific: Human Immunodeficiency Virus 1
Organism_taxid: 11676
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 21 21 21
R_factor 0.198 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
52.000 59.900 62.100 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.70 Å
ligand A85, BME enzyme
related structures by homologous chain: 1DAZ, 1FFI
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceInhibition and catalytic mechanism of HIV-1 aspartic protease., Silva AM, Cachau RE, Sham HL, Erickson JW, J Mol Biol 1996 Jan 19;255(2):321-46. PMID:8551523
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (73 Kb) [Save to disk]
  • Biological Unit Coordinates (1dif.pdb1.gz) 69 Kb
  • LPC: Ligand-Protein Contacts for 1DIF
  • CSU: Contacts of Structural Units for 1DIF
  • Likely Quarternary Molecular Structure file(s) for 1DIF
  • Retrieve 1DIF in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1DIF from S2C, [Save to disk]
  • View 1DIF 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 1DIF
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1DIF, from MSDmotif at EBI
  • Genome occurence of 1DIF's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1difa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1difb_, region B [Jmol] [rasmolscript] [script source]
  • 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: [1dif_A] [1dif] [1dif_B]
  • SWISS-PROT database: [P03367]
  • Domain organization of [POL_HV1BR] by SWISSPFAM
  • Other resources with information on 1DIF
  • Community annotation for 1DIF at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 1DIF from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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