1AIK	Viral Protein	date	Apr 20, 1997
title	Hiv Gp41 Core Structure
authors	D.C.Chan, D.Fass, J.M.Berger, P.S.Kim
compound		source
Molecule: Hiv-1 Gp41 Glycoprotein Chain: N Fragment: Protease-Resistant Core Engineered: Yes Other_details: N36 And C34 Are Synthetic Peptides		Organism_scientific: Hiv-1 M:B_hxb2r Organism_taxid: 11706 Strain: Hxb2 Cellular_location: Viral Membrane Gene: Gp41 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_gene: Gp41
Molecule: Hiv-1 Gp41 Glycoprotein Chain: C Fragment: Protease-Resistant Core Engineered: Yes Other_details: N36 And C34 Are Synthetic Peptides		Organism_scientific: Hiv-1 M:B_hxb2r Organism_taxid: 11706 Strain: Hxb2 Cellular_location: Viral Membrane Gene: Gp41 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_gene: Gp41
symmetry	Space Group: P 3 2 1	R_factor 0.238 R_Free 0.266
crystal cell	length a length b length c angle alpha angle beta angle gamma 49.500 49.500 55.300 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	ACE	enzyme
related structures	by homologous chain: 1DLB, 1I5Y, 2SIV
Primary reference	Core structure of gp41 from the HIV envelope glycoprotein., Chan DC, Fass D, Berger JM, Kim PS, Cell 1997 Apr 18;89(2):263-73. PMID:9108481

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (21 Kb) [Save to disk] Biological Unit Coordinates (1aik.pdb1.gz) 51 Kb LPC: Ligand-Protein Contacts for 1AIK CSU: Contacts of Structural Units for 1AIK Likely Quarternary Molecular Structure file(s) for 1AIK Retrieve 1AIK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1AIK from S2C, [Save to disk]

View 1AIK 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 1AIK

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1AIK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1aik.1, region N:,C [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1aik_N] [1aik] [1aik_C] SWISS-PROT database: [P04578] Belongs to the human immunodeficiency virus type 1 (hiv-1) fusion peptide (hiv-fp) family according to TCDB. Domain organization of [ENV_HV1H2] by SWISSPFAM

Other resources with information on 1AIK

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

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