1ENV	Viral Protein	date	Jun 27, 1997
title	Atomic Structure Of The Ectodomain From Hiv-1 Gp41
authors	W.Weissenhorn, A.Dessen, S.C.Harrison, J.J.Skehel, D.C.Wiley
compound		source
Molecule: Hiv-1 Envelope Protein Chimera Consisting Of A Fr Gcn4 Zipper Cloned N-Terminal To Two Fragments Of Gp41; Chain: A Fragment: Gcn4 Is Residues 1 - 29, Gp41 Is Residues 30 - 15 Synonym: Env Polyprotein Engineered: Yes Mutation: Yes		Fragment: 30 - 154 Organism_scientific: Saccharomyces Cerevisiae, Human Immunodeficiency Virus 1; Organism_common: Baker'S Yeast, Hiv-1 Organism_taxid: 4932, 11676 Gene: Gcn4, Aas3, Arg9, Yel009c, Env Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_gene: Gp41
symmetry	Space Group: H 3 2	R_factor 0.244 R_Free 0.277
crystal cell	length a length b length c angle alpha angle beta angle gamma 52.350 52.350 414.600 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.60 Å
related structures	by homologous chain: 1DF5, 1KQL, 1SWI
Gene Ontology	Chain Function Process Component A
Primary reference	Atomic structure of the ectodomain from HIV-1 gp41., Weissenhorn W, Dessen A, Harrison SC, Skehel JJ, Wiley DC, Nature 1997 May 22;387(6631):426-30. PMID:9163431

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (24 Kb) [Save to disk] Biological Unit Coordinates (1env.pdb1.gz) 57 Kb CSU: Contacts of Structural Units for 1ENV Likely Quarternary Molecular Structure file(s) for 1ENV Structure Factors (64 Kb) Retrieve 1ENV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ENV from S2C, [Save to disk] Re-refined 1env structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ENV 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 1ENV

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 3D motif for 1ENV, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1enva_, region A [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: [1env_A] [1env] SWISS-PROT database: [P03377] [P03069] Domain organization of [ENV_HV1BR] [GCN4_YEAST] by SWISSPFAM

Other resources with information on 1ENV

Community annotation for 1ENV at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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