1HAO

COMPLEX OF HUMAN ALPHA-THROMBIN WITH A 15MER OLIGONUCLEOTIDE GGTTGGTGTGGTTGG (BASED ON NMR MODEL OF DNA)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

An ambiguous structure of a DNA 15-mer thrombin complex.

Padmanabhan, K.Tulinsky, A.

(1996) Acta Crystallogr.,Sect.D 52: 272-282

  • DOI: 10.1107/S0907444995013977
  • Primary Citation of Related Structures:  1HAP
  • Also Cited By: 4DIH, 4DII

  • PubMed Abstract: 
  • The structure of a complex between thrombin and a GGTTGGTGTGGTTGG DNA 15-mer has been analyzed crystallographically. The solution NMR structure of the 15-mer has two stacked G-quartets similar to that found in the previous X-ray structure determinati ...

    The structure of a complex between thrombin and a GGTTGGTGTGGTTGG DNA 15-mer has been analyzed crystallographically. The solution NMR structure of the 15-mer has two stacked G-quartets similar to that found in the previous X-ray structure determination of the 15-mer-thrombin complex [Padmanabhan, Padmanabhan, Ferrara, Sadler & Tulinsky (1993). J. Biol. Chem. 268, 17651-17654]; the strand polarity, however, is reversed from that of the crystallographic structure. The structure of the complex here has been redetermined with better diffraction data confirming the previous crystallographic structure but also indicating that the NMR solution structure fits equally well. Both 15-mer complex structures refined to an R value of about 0.16 presenting a disconcerting ambiguity. Since the two 15-mer structures associate with thrombin in different ways (through the TGT loop in the X-ray and TT loop in the NMR model), other independent lines of physical or chemical evidence are required to resolve the ambiguity.


    Related Citations: 
    • The Structure of Alpha-Thrombin Inhibited by a 15-mer Single-Stranded DNA Aptamer
      Padmanabhan, K.,Padmanabhan, K.P.,Ferrara, J.D.,Sadler, J.E.,Tulinsky, A.
      (1993) J.Biol.Chem. 268: 17651


    Organizational Affiliation

    Department of Chemistry, Michigan State University, East Lansing 48824, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure


Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
ALPHA-THROMBIN light chain
L
36Homo sapiensGene Names: F2
EC: 3.4.21.5
Find proteins for P00734 (Homo sapiens)
Go to Gene View: F2
Go to UniProtKB:  P00734
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
ALPHA-THROMBIN heavy chain
H
259Homo sapiensGene Names: F2
EC: 3.4.21.5
Find proteins for P00734 (Homo sapiens)
Go to Gene View: F2
Go to UniProtKB:  P00734
Entity ID: 1
MoleculeChainsLengthOrganism
DNA 5'-D(*GP*GP*TP*TP*GP*GP*TP*GP*TP*GP*GP*TP*TP*GP*G)-3'D15N/A
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
0G6
Query on 0G6

Download SDF File 
Download CCD File 
H
D-phenylalanyl-N-[(2S,3S)-6-{[amino(iminio)methyl]amino}-1-chloro-2-hydroxyhexan-3-yl]-L-prolinamide
PPACK
C21 H34 Cl N6 O3
DVFLYEYCMMLBTQ-VSZNYVQBSA-O
 Ligand Interaction
Biologically Interesting Molecules 1 Unique
IDChainsNameType/Class2D Diagram3D Interactions
PRD_000020 (0G6)
Query on PRD_000020
HD-Phe-Pro-Arg-CH2ClPeptide-like / Inhibitor

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Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 58.280α = 90.00
b = 77.610β = 90.00
c = 100.020γ = 90.00
Software Package:
Software NamePurpose
PROLSQrefinement
NUCLINrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1996-04-03
    Type: Initial release
  • Version 1.1: 2008-05-22
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance
  • Version 1.3: 2013-02-27
    Type: Other