3A4K

Crystal structural analysis of HindIII restriction endonuclease in complex with cognate DNA and divalent cations at 2.17 angstrom resolution


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.17 Å
  • R-Value Free: 0.226 
  • R-Value Work: 0.178 
  • R-Value Observed: 0.180 

Starting Model: experimental
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This is version 1.4 of the entry. See complete history


Literature

Structures of restriction endonuclease HindIII in complex with its cognate DNA and divalent cations

Watanabe, N.Takasaki, Y.Sato, C.Ando, S.Tanaka, I.

(2009) Acta Crystallogr D Biol Crystallogr 65: 1326-1333

  • DOI: https://doi.org/10.1107/S0907444909041134
  • Primary Citation of Related Structures:  
    2E52, 3A4K

  • PubMed Abstract: 

    The three-dimensional crystal structures of HindIII bound to its cognate DNA with and without divalent cations were solved at 2.17 and 2.00 A resolution, respectively. HindIII forms a dimer. The structures showed that HindIII belongs to the EcoRI-like (alpha-class) subfamily of type II restriction endonucleases. The cognate DNA-complex structures revealed the specific DNA-recognition mechanism of HindIII by which it recognizes the palindromic sequence A/AGCTT. In the Mg(2+) ion-soaked structure the DNA was cleaved and two ions were bound at each active site, corresponding to the two-metal-ion mechanism.


  • Organizational Affiliation

    Department of Biotechnology and Biomaterial Chemistry, Graduate School of Engineering, Nagoya University, Japan. nobuhisa@nagoya-u.jp


Macromolecules

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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Type-2 restriction enzyme HindIIIA,
B [auth C],
C [auth B],
D
301Haemophilus influenzae Rd KW20Mutation(s): 0 
Gene Names: hindIIIR
EC: 3.1.21.4
UniProt
Find proteins for P43870 (Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd))
Explore P43870 
Go to UniProtKB:  P43870
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP43870
Sequence Annotations
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  • Reference Sequence

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Entity ID: 2
MoleculeChains LengthOrganismImage
DNA (5'-D(*GP*CP*CP*A)-3')
E, G, I, K
4N/A
Sequence Annotations
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  • Reference Sequence

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Entity ID: 3
MoleculeChains LengthOrganismImage
DNA (5'-D(P*AP*GP*CP*TP*TP*GP*GP*C)-3')
F, H, J, L
8N/A
Sequence Annotations
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  • Reference Sequence

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Entity ID: 4
MoleculeChains LengthOrganismImage
DNA (5'-D(*GP*CP*CP*AP*AP*GP*CP*TP*TP*GP*GP*C)-3')
M, N
12N/A
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
GOL
Query on GOL

Download Ideal Coordinates CCD File 
AA [auth D],
Q [auth A]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
ACT
Query on ACT

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BA [auth D],
T [auth C],
W [auth B],
X [auth B]
ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
MN
Query on MN

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P [auth A],
S [auth C],
V [auth B],
Z [auth D]
MANGANESE (II) ION
Mn
WAEMQWOKJMHJLA-UHFFFAOYSA-N
MG
Query on MG

Download Ideal Coordinates CCD File 
O [auth A],
R [auth C],
U [auth B],
Y [auth D]
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.17 Å
  • R-Value Free: 0.226 
  • R-Value Work: 0.178 
  • R-Value Observed: 0.180 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 83.46α = 90
b = 132.211β = 111.03
c = 94.07γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
SERGUIdata collection
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2009-10-20
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Source and taxonomy, Version format compliance
  • Version 1.2: 2014-03-05
    Changes: Database references
  • Version 1.3: 2017-10-11
    Changes: Refinement description
  • Version 1.4: 2023-11-01
    Changes: Data collection, Database references, Derived calculations, Refinement description