2QXC	Apoptosis	date	Aug 10, 2007
title	Human P53 Core Domain Mutant N239y
authors	H.Luecke, Y.Wang
compound		source
Molecule: Cellular Tumor Antigen P53 Chain: A, B, C, D Fragment: P53 Core Domain Synonym: Tumor Suppressor P53, Phosphoprotein P53, Antigen Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Tp53, P53 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pse420 Other_details: Pcr Mutagenesis
symmetry	Space Group: P 1 21 1	R_factor 0.264 R_Free 0.283
crystal cell	length a length b length c angle alpha angle beta angle gamma 68.877 71.103 84.302 90.00 89.86 90.00
method	X-Ray Diffraction	resolution	1.85 Å
ligand	ZN	enzyme

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (135 Kb) [Save to disk] Biological Unit Coordinates (2qxc.pdb1.gz) 35 Kb Biological Unit Coordinates (2qxc.pdb2.gz) 34 Kb Biological Unit Coordinates (2qxc.pdb3.gz) 34 Kb Biological Unit Coordinates (2qxc.pdb4.gz) 35 Kb LPC: Ligand-Protein Contacts for 2QXC CSU: Contacts of Structural Units for 2QXC Likely Quarternary Molecular Structure file(s) for 2QXC Structure Factors (562 Kb) Retrieve 2QXC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QXC from S2C, [Save to disk] Re-refined 2qxc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QXC 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 2QXC

Cartoon representation from PDB Cartoon 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 Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 2QXC, from MSDmotif at EBI Fold representative 2qxc from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qxc_A] [2qxc_B] [2qxc_C] [2qxc_D] SWISS-PROT database: [P04637] Domain organization of [P53_HUMAN] by SWISSPFAM Alignments of the sequence of 2QXC with the sequences similar proteins can be viewed for 2QXC's classification [P53_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [P53_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 2QXC

Community annotation for 2QXC at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

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