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
  • Alignments of the sequence of 2LKX with the sequences similar proteins can be viewed for 2LKX's classification 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 at ProtoMap. Click on the Cluster number.
  • 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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