1R6B Hydrolase date Oct 15, 2003
title High Resolution Crystal Structure Of Clpa
authors D.Xia, M.R.Maurizi, F.Guo, S.K.Singh, L.Esser
compound source
Molecule: Clpa Protein
Chain: X
Engineered: Yes
Mutation: Yes
 Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Psk39
symmetry Space Group: P 65
R_factor 0.234 R_Free 0.278
crystal
cell
length a length b length c angle alpha angle beta angle gamma
124.110 124.110 97.049 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.25 Å
ligand ADP, MG enzyme
related structures by homologous chain: 1MBU, 1MBX
Gene
Ontology
ChainFunctionProcessComponent
X
  • ATP-dependent peptidase acti...


    • Primary referenceCrystallographic investigation of peptide binding sites in the N-domain of the ClpA chaperone., Xia D, Esser L, Singh SK, Guo F, Maurizi MR, J Struct Biol. 2004 Apr-May;146(1-2):166-79. PMID:15037248
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (119 Kb) [Save to disk]
  • Biological Unit Coordinates (1r6b.pdb1.gz) 112 Kb
  • LPC: Ligand-Protein Contacts for 1R6B
  • CSU: Contacts of Structural Units for 1R6B
  • Likely Quarternary Molecular Structure file(s) for 1R6B
  • Retrieve 1R6B in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1R6B from S2C, [Save to disk]
    • View 1R6B 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 1R6B
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1R6B, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1r6bx1, region X:1-141 [Jmol] [rasmolscript] [script source]
        - Domain d1r6bx2, region X:169-436 [Jmol] [rasmolscript] [script source]
        - Domain d1r6bx3, region X:437-751 [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: [1r6b_X] [1r6b]
  • SWISS-PROT database: [P0ABH9]
  • Domain organization of [CLPA_ECOLI] by SWISSPFAM
  • Domains found in 1R6B: [AAA] [ClpB_D2-small ] by SMART
    • Other resources with information on 1R6B
  • Community annotation for 1R6B 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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