1EC2 Hydrolase Hydrolase Inhibitor date Jan 25, 2000
title Hiv-1 Protease In Complex With The Inhibitor Bea428
authors T.Unge
compound source
Molecule: Hiv-1 Protease
Chain: A, B
Fragment: Fragment 69-167
Engineered: Yes
Organism_scientific: Human Immunodeficiency Virus 1
Organism_taxid: 11676
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_plasmid: Pet11c
symmetry Space Group: P 21 21 2
R_factor 0.209 R_Free 0.245
length a length b length c angle alpha angle beta angle gamma
58.480 86.670 46.520 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand BEJ BindingDB enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1MSM, 7UPJ
A, B

Primary referenceOptimization of P1-P3 groups in symmetric and asymmetric HIV-1 protease inhibitors., Andersson HO, Fridborg K, Lowgren S, Alterman M, Muhlman A, Bjorsne M, Garg N, Kvarnstrom I, Schaal W, Classon B, Karlen A, Danielsson UH, Ahlsen G, Nillroth U, Vrang L, Oberg B, Samuelsson B, Hallberg A, Unge T, Eur J Biochem 2003 Apr;270(8):1746-58. PMID:12694187
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (38 Kb) [Save to disk]
  • Biological Unit Coordinates (1ec2.pdb1.gz) 34 Kb
  • LPC: Ligand-Protein Contacts for 1EC2
  • CSU: Contacts of Structural Units for 1EC2
  • Likely Quarternary Molecular Structure file(s) for 1EC2
  • Structure Factors (115 Kb)
  • Retrieve 1EC2 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1EC2 from S2C, [Save to disk]
  • Re-refined 1ec2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1EC2 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 1EC2
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1EC2, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ec2a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1ec2b_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1ec2 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: [1ec2] [1ec2_A] [1ec2_B]
  • SWISS-PROT database: [P03366]
  • Domain organization of [POL_HV1B1] by SWISSPFAM
  • Other resources with information on 1EC2
  • Community annotation for 1EC2 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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