1F23 Viral Protein date May 23, 2000
title Contribution Of A Buried Hydrogen Bond To Hiv-1 Envelope Gly Structure And Function
authors J.Liu, W.Shu, M.Fagan, J.H.Nunberg, M.Lu
compound source
Molecule: Transmembrane Glycoprotein
Chain: A, B, C, D, E, F
Fragment: Ectodomain
Synonym: Gp41
Engineered: Yes
Mutation: Yes
Organism_scientific: Human Immunodeficiency Virus 1
Organism_taxid: 11676
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pn36(L)C34
symmetry Space Group: P 1
R_factor 0.191 R_Free 0.270
length a length b length c angle alpha angle beta angle gamma
38.920 41.870 55.980 90.59 88.93 96.28
method X-Ray Diffractionresolution 2.30 Å
related structures by homologous chain: 1SZT, 2SIV
Primary referenceStructural and functional analysis of the HIV gp41 core containing an Ile573 to Thr substitution: implications for membrane fusion., Liu J, Shu W, Fagan MB, Nunberg JH, Lu M, Biochemistry 2001 Mar 6;40(9):2797-807. PMID:11258890
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (79 Kb) [Save to disk]
  • Biological Unit Coordinates (1f23.pdb1.gz) 36 Kb
  • Biological Unit Coordinates (1f23.pdb2.gz) 38 Kb
  • CSU: Contacts of Structural Units for 1F23
  • Likely Quarternary Molecular Structure file(s) for 1F23
  • Retrieve 1F23 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1F23 from S2C, [Save to disk]
  • View 1F23 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 1F23
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1F23, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1f23a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1f23b_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1f23c_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1f23d_, region D [Jmol] [rasmolscript] [script source]
        - Domain d1f23e_, region E [Jmol] [rasmolscript] [script source]
        - Domain d1f23f_, region F [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: [1f23_B] [1f23_F] [1f23_A] [1f23] [1f23_E] [1f23_C] [1f23_D]
  • SWISS-PROT database: [Q89797]
  • Domain organization of [Q89797_9HIV1] by SWISSPFAM
  • Other resources with information on 1F23
  • Community annotation for 1F23 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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