1TGX	Cytotoxin	date	Nov 24, 1993
title	X-Ray Structure At 1.55 A Of Toxin Gamma, A Cardiotoxin From Nigricollis Venom. Crystal Packing Reveals A Model For Inse Membranes
authors	A.Bilwes, B.Rees, D.Moras
compound		source
Molecule: Gamma-Cardiotoxin Chain: A, B, C Engineered: Yes		Organism_scientific: Naja Nigricollis Organism_common: Spitting Cobra Organism_taxid: 8654
symmetry	Space Group: C 1 2 1	R_factor 0.172 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 78.670 40.710 56.020 90.00 117.08 90.00
method	X-Ray Diffraction	resolution	1.55 Å
ligand	CL	enzyme
note	1TGX is a representative structure
related structures	by homologous chain: 1UG4
Gene Ontology	Chain Function Process Component A, C, B toxin activity
Primary reference	X-ray structure at 1.55 A of toxin gamma, a cardiotoxin from Naja nigricollis venom. Crystal packing reveals a model for insertion into membranes., Bilwes A, Rees B, Moras D, Menez R, Menez A, J Mol Biol 1994 May 27;239(1):122-36. PMID:8196041

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (37 Kb) [Save to disk] Biological Unit Coordinates (1tgx.pdb1.gz) 65 Kb Biological Unit Coordinates (1tgx.pdb2.gz) 65 Kb Biological Unit Coordinates (1tgx.pdb3.gz) 65 Kb Biological Unit Coordinates (1tgx.pdb4.gz) 65 Kb LPC: Ligand-Protein Contacts for 1TGX CSU: Contacts of Structural Units for 1TGX Likely Quarternary Molecular Structure file(s) for 1TGX Structure Factors (133 Kb) Retrieve 1TGX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1TGX from S2C, [Save to disk] Re-refined 1tgx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1TGX 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 1TGX

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 1TGX, from MSDmotif at EBI Genome occurence of 1TGX's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1tgxa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1tgxb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1tgxc_, 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: [1tgx_B] [1tgx] [1tgx_A] [1tgx_C] SWISS-PROT database: [P01468] Domain organization of [CX1_NAJPA] by SWISSPFAM

Other resources with information on 1TGX

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

Movements, Movies and Images

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

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