2L1B Transcription Regulator date Jul 27, 2010
title Solution Nmr Structure Of The Chromobox Protein Cbx7 With H3
authors L.Kaustov, A.Lemak, C.Fares, A.Gutmanas, R.Muhandiram, H.Quang, P. J.Min, A.Edwards, C.Arrowsmith, Structural Genomics Consortium
compound source
Molecule: Chromobox Protein Homolog 7
Chain: A
Fragment: Unp Residues 7-62
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Strain: Bl21(De3) Codon Plus Ril (Stratagene)
Gene: Cbx7
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3) Codon Plus Ril
Expression_system_vector: Pet28a-Mhl

Molecule: Histone H3
Chain: B
Fragment: Unp Residues 20-34
Engineered: Yes

Synthetic: Yes
Organism_scientific: Xenopus Laevis
Organism_common: Clawed Frog,Common Platanna,Platanna
Organism_taxid: 8355
Other_details: H3k27me3 15-Mer Peptide
methodSolution NMR
ligand M3L enzyme

Primary referenceRecognition and specificity determinants of the human cbx chromodomains., Kaustov L, Ouyang H, Amaya M, Lemak A, Nady N, Duan S, Wasney GA, Li Z, Vedadi M, Schapira M, Min J, Arrowsmith CH, J Biol Chem. 2011 Jan 7;286(1):521-9. Epub 2010 Nov 3. PMID:21047797
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (404 Kb) [Save to disk]
  • Biological Unit Coordinates (2l1b.pdb1.gz) 21 Kb
  • LPC: Ligand-Protein Contacts for 2L1B
  • CSU: Contacts of Structural Units for 2L1B
  • Original NMR restraints for 2L1B from PDB
  • Retrieve 2L1B in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2L1B from S2C, [Save to disk]
  • View 2L1B 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 2L1B
  • 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 2L1B, from MSDmotif at EBI
  • Fold representative 2l1b from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2l1b] [2l1b_A] [2l1b_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 2L1B: [CHROMO ] by SMART
  • Other resources with information on 2L1B
  • Community annotation for 2L1B 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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