2SIV	Envelope Glycoprotein	date	Jun 17, 1998
title	Siv Gp41 Core Structure
authors	V.N.Malashkevich, D.C.Chan, C.T.Chutkowski, P.S.Kim
compound		source
Molecule: Siv Gp41 Glycoprotein Chain: A, C, E Fragment: Protease-Resistant Core Synonym: N36c34 Core Engineered: Yes Other_details: N36 And C34 Are Synthetic Peptides		Organism_scientific: Simian Immunodeficiency Virus Organism_taxid: 11723 Gene: Gp41
Molecule: Siv Gp41 Glycoprotein Chain: B, D, F Fragment: Protease-Resistant Core Synonym: N36c34 Core Engineered: Yes Other_details: N36 And C34 Are Synthetic Peptides		Organism_scientific: Simian Immunodeficiency Virus Organism_taxid: 11723 Strain: Mac239 Cellular_location: Viral Membrane Gene: Gp41
symmetry	Space Group: P 21 21 21	R_factor 0.211 R_Free 0.288
crystal cell	length a length b length c angle alpha angle beta angle gamma 55.722 57.713 66.513 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	ACE, NH2	enzyme
related structures	by homologous chain: 1AIK, 1F23, 1JPX, 1JQ0
Primary reference	Crystal structure of the simian immunodeficiency virus (SIV) gp41 core: conserved helical interactions underlie the broad inhibitory activity of gp41 peptides., Malashkevich VN, Chan DC, Chutkowski CT, Kim PS, Proc Natl Acad Sci U S A 1998 Aug 4;95(16):9134-9. PMID:9689046

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (45 Kb) [Save to disk] Biological Unit Coordinates (2siv.pdb1.gz) 40 Kb LPC: Ligand-Protein Contacts for 2SIV CSU: Contacts of Structural Units for 2SIV Likely Quarternary Molecular Structure file(s) for 2SIV Retrieve 2SIV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2SIV from S2C, [Save to disk]

View 2SIV 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 2SIV

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2SIV, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2siv.1, region A:,B [Jmol] [rasmolscript] [script source]     - Domain d2siv.2, region C:,D [Jmol] [rasmolscript] [script source]     - Domain d2siv.3, region E:,F [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2siv_B] [2siv_D] [2siv_A] [2siv_F] [2siv] [2siv_E] [2siv_C] SWISS-PROT database: [Q87973] Domain organization of [Q87973_SIVCZ] by SWISSPFAM

Other resources with information on 2SIV

Community annotation for 2SIV at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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