3AHA	Membrane Protein	date	Apr 22, 2010
title	Crystal Structure Of The Complex Between Gp41 Fragments N36 Mutant N126ke137q
authors	K.Izumi, S.Nakamura, H.Nakano, K.Shimura, Y.Sakagami, S.Oishi, S.U T.Ohkubo, Y.Kobayashi, N.Fujii, M.Matsuoka, E.N.Kodama
compound		source
Molecule: Transmembrane Protein Gp41 Chain: A, C, E Fragment: Gp41 Fragment N36 Engineered: Yes		Organism_scientific: Human Immunodeficiency Virus 1 Organism_common: Hiv-1 Organism_taxid: 11676 Gene: Env Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Transmembrane Protein Gp41 Chain: B, D, F Fragment: Gp41 Fragment C34 Engineered: Yes Mutation: Yes		Organism_scientific: Human Immunodeficiency Virus 1 Organism_common: Hiv-1 Organism_taxid: 11676 Gene: Env Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 1 2 1	R_factor 0.189 R_Free 0.219
crystal cell	length a length b length c angle alpha angle beta angle gamma 88.632 50.479 56.154 90.00 90.88 90.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	ACE, CL, MPD, NH2	enzyme
Primary reference	Characterization of HIV-1 resistance to a fusion inhibitor, N36, derived from the gp41 amino terminal heptad repeat., Izumi K, Nakamura S, Nakano H, Shimura K, Sakagami Y, Oishi S, Uchiyama S, Ohkubo T, Kobayashi Y, Fujii N, Matsuoka M, Kodama EN, Antiviral Res. 2010 May 7. PMID:20438763

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (44 Kb) [Save to disk] Biological Unit Coordinates (3aha.pdb1.gz) 39 Kb LPC: Ligand-Protein Contacts for 3AHA CSU: Contacts of Structural Units for 3AHA Structure Factors (405 Kb) Retrieve 3AHA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3AHA from S2C, [Save to disk] Re-refined 3aha structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 3AHA

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 3AHA, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3aha] [3aha_F] [3aha_D] [3aha_A] [3aha_C] [3aha_E] [3aha_B] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3AHA

Community annotation for 3AHA at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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