1KC6 Hydrolase Dna date Nov 07, 2001
title Hincii Bound To Cognate Dna
authors N.C.Horton, L.F.Dorner, J.J.Perona
compound source
Molecule: 5'-D(Pcpcpgpgptpcpgpapcpcpgpg)-3'
Chain: E, F, G, H
Engineered: Yes
Synthetic: Yes

Molecule: Type II Restriction Enzyme Hincii
Chain: A, B, C, D
Synonym: Endonuclease Hincii
Engineered: Yes

Organism_scientific: Haemophilus Influenzae
Organism_taxid: 727
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: I 21 21 21
R_factor 0.219 R_Free 0.285
length a length b length c angle alpha angle beta angle gamma
67.120 177.670 256.360 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand NA enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1TW8, 1TX3
A, D, C, B
  • nuclease activity
  • endonuclease activity

  • Primary referenceSequence selectivity and degeneracy of a restriction endonuclease mediated by DNA intercalation., Horton NC, Dorner LF, Perona JJ, Nat Struct Biol 2002 Jan;9(1):42-7. PMID:11742344
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (191 Kb) [Save to disk]
  • Biological Unit Coordinates (1kc6.pdb1.gz) 99 Kb
  • Biological Unit Coordinates (1kc6.pdb2.gz) 88 Kb
  • LPC: Ligand-Protein Contacts for 1KC6
  • CSU: Contacts of Structural Units for 1KC6
  • Likely Quarternary Molecular Structure file(s) for 1KC6
  • Retrieve 1KC6 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KC6 from S2C, [Save to disk]
  • View 1KC6 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 1KC6
  • 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 1KC6, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1kc6a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1kc6b_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1kc6c_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1kc6d_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1kc6 from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1kc6_E] [1kc6_C] [1kc6_A] [1kc6_B] [1kc6_D] [1kc6_G] [1kc6_F] [1kc6] [1kc6_H]
  • SWISS-PROT database: [P17743]
  • Domain organization of [T2C2_HAEIN] by SWISSPFAM
  • Other resources with information on 1KC6
  • Community annotation for 1KC6 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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