1LTS	Toxin	date	Jul 15, 1992
title	Refined Structure Of E. Coli Heat Labile Enterotoxin, A Close Relative Of Cholera Toxin
authors	T.K.Sixma, W.G.J.Hol
compound		source
Molecule: Heat-Labile Enterotoxin, Subunit B Chain: D, E, F, G, H Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Cell_line: 293 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: 293
Molecule: Heat-Labile Enterotoxin, Subunit A Chain: A Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Cell_line: 293 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: 293
Molecule: Heat-Labile Enterotoxin, Subunit A Chain: C Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Cell_line: 293 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: 293
symmetry	Space Group: P 21 21 21	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 119.200 98.200 64.800 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.95 Å
related structures	by homologous chain: 1LT3, 1PZI, 1S5E
Gene Ontology	Chain Function Process Component A, C H, F, D, G, E toxin activity
Primary reference	Refined structure of Escherichia coli heat-labile enterotoxin, a close relative of cholera toxin., Sixma TK, Kalk KH, van Zanten BA, Dauter Z, Kingma J, Witholt B, Hol WG, J Mol Biol 1993 Apr 5;230(3):890-918. PMID:8478941

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (131 Kb) [Save to disk] Biological Unit Coordinates (1lts.pdb1.gz) 127 Kb CSU: Contacts of Structural Units for 1LTS Likely Quarternary Molecular Structure file(s) for 1LTS Structure Factors (498 Kb) Retrieve 1LTS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1LTS from S2C, [Save to disk] Re-refined 1lts structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1LTS 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 1LTS

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 1LTS, from MSDmotif at EBI Genome occurence of 1LTS's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1lts.1, region A:,C [Jmol] [rasmolscript] [script source]     - Domain d1ltsd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1ltse_, region E [Jmol] [rasmolscript] [script source]     - Domain d1ltsf_, region F [Jmol] [rasmolscript] [script source]     - Domain d1ltsg_, region G [Jmol] [rasmolscript] [script source]     - Domain d1ltsh_, region H [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: [1lts_C] [1lts_H] [1lts_E] [1lts] [1lts_F] [1lts_D] [1lts_G] [1lts_A] SWISS-PROT database: [P06717] [P32890] Domain organization of [ELAP_ECOLX] [ELBP_ECOLX] by SWISSPFAM

Other resources with information on 1LTS

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

Movements, Movies and Images

Domain movements in 1LTS from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---