1JQY	Toxin	date	Aug 09, 2001
title	Heat-Labile Enterotoxin B-Pentamer With Ligand Bmsc-0010
authors	E.A.Merritt, W.G.J.Hol
compound		source
Molecule: Heat-Labile Enterotoxin B Chain Chain: D, E, F, G, H, L, M, N, O, P, V, W, X, Y, Z Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Etxb Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Mc1061 Expression_system_vector_type: Plasmid Expression_system_plasmid: Profit
symmetry	Space Group: P 1 21 1	R_factor 0.211 R_Free 0.284
crystal cell	length a length b length c angle alpha angle beta angle gamma 64.990 166.006 74.420 90.00 92.13 90.00
method	X-Ray Diffraction	resolution	2.14 Å
ligand	A32	enzyme
related structures	by homologous chain: 1LTA, 1LTI
Gene Ontology	Chain Function Process Component F, O, W, X, N, P, Y, E, V, Z, H, M, D, G, L toxin activity
Primary reference	Anchor-based design of improved cholera toxin and E. coli heat-labile enterotoxin receptor binding antagonists that display multiple binding modes., Pickens JC, Merritt EA, Ahn M, Verlinde CL, Hol WG, Fan E, Chem Biol 2002 Feb;9(2):215-24. PMID:11880036

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (290 Kb) [Save to disk] Biological Unit Coordinates (1jqy.pdb1.gz) 99 Kb Biological Unit Coordinates (1jqy.pdb2.gz) 96 Kb Biological Unit Coordinates (1jqy.pdb3.gz) 97 Kb LPC: Ligand-Protein Contacts for 1JQY CSU: Contacts of Structural Units for 1JQY Likely Quarternary Molecular Structure file(s) for 1JQY Structure Factors (1160 Kb) Retrieve 1JQY in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1JQY from S2C, [Save to disk] Re-refined 1jqy structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1JQY 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 1JQY

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 1JQY, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1jqyd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1jqye_, region E [Jmol] [rasmolscript] [script source]     - Domain d1jqyf_, region F [Jmol] [rasmolscript] [script source]     - Domain d1jqyg_, region G [Jmol] [rasmolscript] [script source]     - Domain d1jqyh_, region H [Jmol] [rasmolscript] [script source]     - Domain d1jqyl_, region L [Jmol] [rasmolscript] [script source]     - Domain d1jqym_, region M [Jmol] [rasmolscript] [script source]     - Domain d1jqyn_, region N [Jmol] [rasmolscript] [script source]     - Domain d1jqyo_, region O [Jmol] [rasmolscript] [script source]     - Domain d1jqyp_, region P [Jmol] [rasmolscript] [script source]     - Domain d1jqyv_, region V [Jmol] [rasmolscript] [script source]     - Domain d1jqyw_, region W [Jmol] [rasmolscript] [script source]     - Domain d1jqyx_, region X [Jmol] [rasmolscript] [script source]     - Domain d1jqyy_, region Y [Jmol] [rasmolscript] [script source]     - Domain d1jqyz_, region Z [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: [1jqy_H] [1jqy_W] [1jqy_G] [1jqy_Y] [1jqy_V] [1jqy_O] [1jqy_D] [1jqy_P] [1jqy_N] [1jqy_F] [1jqy] [1jqy_M] [1jqy_L] [1jqy_E] [1jqy_Z] [1jqy_X] SWISS-PROT database: [P32890] Domain organization of [ELBP_ECOLX] by SWISSPFAM

Other resources with information on 1JQY

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

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