1XHU Hydrolase Dna date Sep 20, 2004
title Hincii Bound To Cleaved, Cognate Dna Containing Gtcgac
authors C.Etzkorn, N.C.Horton
compound source
Molecule: 5'-D(Gpcpcpgpgptpc)-3'
Chain: E, G, I, K
Engineered: Yes
Synthetic: Yes
Other_details: Phosphoramidite Synthetic Chemistry

Molecule: 5'-D(Pgpapcpcpgpg)-3'
Chain: F, H, J, L
Engineered: Yes

Synthetic: Yes
Other_details: Phosphoramidite Synthetic Chemistry

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

Organism_scientific: Haemophilus Influenzae
Organism_taxid: 727
Gene: Hinciir
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: I 21 21 21
R_factor 0.187 R_Free 0.277
length a length b length c angle alpha angle beta angle gamma
67.200 177.200 256.000 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.95 Å
enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1TW8
A, D, C, B
  • nuclease activity
  • endonuclease activity

  • Primary referenceMechanistic insights from the structures of HincII bound to cognate DNA cleaved from addition of Mg2+ and Mn2+., Etzkorn C, Horton NC, J Mol Biol 2004 Oct 29;343(4):833-49. PMID:15476804
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (205 Kb) [Save to disk]
  • Biological Unit Coordinates (1xhu.pdb1.gz) 105 Kb
  • Biological Unit Coordinates (1xhu.pdb2.gz) 98 Kb
  • CSU: Contacts of Structural Units for 1XHU
  • Likely Quarternary Molecular Structure file(s) for 1XHU
  • Retrieve 1XHU in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1XHU from S2C, [Save to disk]
  • View 1XHU 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 1XHU
  • 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 1XHU, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1xhua_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1xhub_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1xhuc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1xhud_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1xhu 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: [1xhu_B] [1xhu_H] [1xhu_L] [1xhu_K] [1xhu_I] [1xhu_A] [1xhu_E] [1xhu_D] [1xhu_G] [1xhu] [1xhu_J] [1xhu_F] [1xhu_C]
  • SWISS-PROT database: [P17743]
  • Domain organization of [T2C2_HAEIN] by SWISSPFAM
  • Other resources with information on 1XHU
  • Community annotation for 1XHU 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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