1QBZ	Envelope Glycoprotein	date	Apr 28, 1999
title	The Crystal Structure Of The Siv Gp41 Ectodomain At 1.47 A
authors	Z.N.Yang, T.C.Mueser, J.Kaufman, S.J.Stahl, P.T.Wingfield, C.C.H
compound		source
Molecule: Protein (Siv Gp41 Ectodomain) Chain: A, B, C Fragment: Siv Gp41 Ectodomain 27-149 Engineered: Yes Mutation: Yes		Organism_scientific: Simian Immunodeficiency Virus Organism_taxid: 11723 Strain: Mac239 Cellular_location: Viral Membrane Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 1 2 1	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 91.124 47.206 77.465 90.00 100.83 90.00
method	X-Ray Diffraction	resolution	1.47 Å
ligand	CL, HG, MRD	enzyme
note	1QBZ is a representative structure
related structures	by homologous chain: 1DF4, 1JQ0
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	The crystal structure of the SIV gp41 ectodomain at 1.47 A resolution., Yang ZN, Mueser TC, Kaufman J, Stahl SJ, Wingfield PT, Hyde CC, J Struct Biol 1999 Jun 15;126(2):131-44. PMID:10388624

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (135 Kb) [Save to disk] Biological Unit Coordinates (1qbz.pdb1.gz) 130 Kb Biological Unit Coordinates (1qbz.pdb2.gz) 259 Kb LPC: Ligand-Protein Contacts for 1QBZ CSU: Contacts of Structural Units for 1QBZ Likely Quarternary Molecular Structure file(s) for 1QBZ Retrieve 1QBZ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QBZ from S2C, [Save to disk]

View 1QBZ 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 1QBZ

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1QBZ 1QBZA 1QBZB 1QBZC from the CEP Server. Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QBZ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qbza_, region A [Jmol] [rasmolscript] [script source]     - Domain d1qbzb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1qbzc_, region C [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: [1qbz_B] [1qbz_A] [1qbz_C] [1qbz] SWISS-PROT database: [Q88007] Domain organization of [Q88007_SIVCZ] by SWISSPFAM

Other resources with information on 1QBZ

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

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