2LKX Transcription Dna date Oct 21, 2011
title Nmr Structure Of The Homeodomain Of Pitx2 In Complex With A Binding Site
authors J.M.Baird-Titus, T.Doerdelmann, B.A.Chaney, K.Clark-Baldwin, V.D
compound source
Molecule: Pituitary Homeobox 3
Chain: A
Fragment: Homeobox Dna Binding Domain Residues 62-121
Synonym: Homeobox Protein Pitx3, Paired-Like Homeodomain Transcription Factor 3;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Pitx3, Ptx3
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector: Pgex-1lambdat-Pitx2hd

Molecule: Dna (5'-D(Gpcptpcptpapaptpcpcpcpcpg)
Chain: B
Engineered: Yes

Synthetic: Yes

Molecule: Dna (5'-D(Cpgpgpgpgpaptptpapgpapgpc)
Chain: C
Engineered: Yes

Synthetic: Yes
methodSolution NMR
note 2LKX supersedes 1YZ8

Primary referenceSolution structure of the K50 class homeodomain PITX2 bound to DNA and implications for mutations that cause Rieger syndrome., Chaney BA, Clark-Baldwin K, Dave V, Ma J, Rance M, Biochemistry. 2005 May 24;44(20):7497-511. PMID:15895993
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (574 Kb) [Save to disk]
  • Biological Unit Coordinates (2lkx.pdb1.gz) 34 Kb
  • CSU: Contacts of Structural Units for 2LKX
  • Original NMR restraints for 2LKX from PDB
  • Retrieve 2LKX in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2LKX from S2C, [Save to disk]
  • View 2LKX 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 2LKX
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2LKX, from MSDmotif at EBI
  • Fold representative 2lkx from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2lkx] [2lkx_C] [2lkx_A] [2lkx_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 2LKX: [HOX ] by SMART
  • Other resources with information on 2LKX
  • Community annotation for 2LKX at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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