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@ARTICLE{Loritz:15800,
author = {Loritz, H.M. and Kirchgeßner, N. and Born, S. and
Hoffmann, B. and Merkel, R.},
title = {{M}echamical {S}trength of {S}pecific {B}onds {A}cting
{I}solated or in {P}airs: {A} {C}ase {S}tudy on {E}ngineered
{P}roteins},
journal = {The journal of physical chemistry / B},
volume = {115},
issn = {1520-6106},
address = {Washington, DC},
publisher = {Soc.},
reportid = {PreJuSER-15800},
pages = {2582 - 2592},
year = {2011},
note = {Record converted from VDB: 12.11.2012},
abstract = {The dynamic strength of multiple specific bonds exposed to
external mechanical force is of significant interest for the
understanding of biological adhesion. Exploiting the
well-established FLAG tag technology, we engineered model
proteins exhibiting no, one, or two identical binding sites
for a monoclonal antibody. Bonds between these engineered
proteins and the antibody were studied with dynamic force
spectroscopy. On single bonds between a FLAG-tag and the
antibody, we observed two regimes corresponding to two
different activated complexes, that is, two intermediate
states along the reaction path for bond breakage. Dynamic
force spectroscopy on double bonds showed the same two
regimes. The actual yield forces of double bonds slightly
exceeded those of single bonds. A simplified kinetic model
with analytical solutions was developed and used to
interpret the measured spectra.},
keywords = {Algorithms / Antibodies, Monoclonal: chemistry /
Antibodies, Monoclonal: immunology / Antibody Affinity /
Biomechanics / Green Fluorescent Proteins: genetics /
Kinetics / Models, Chemical / Peptides: chemistry /
Peptides: genetics / Peptides: immunology / Probability /
Protein Binding / Protein Engineering / Recombinant
Proteins: chemistry / Recombinant Proteins: genetics /
Recombinant Proteins: immunology / Spectrum Analysis:
methods / Statistical Distributions / Antibodies, Monoclonal
(NLM Chemicals) / Peptides (NLM Chemicals) / Recombinant
Proteins (NLM Chemicals) / Green Fluorescent Proteins (NLM
Chemicals) / FLAG peptide (NLM Chemicals) / J (WoSType)},
cin = {ICS-7},
ddc = {530},
cid = {I:(DE-Juel1)ICS-7-20110106},
pnm = {BioSoft: Makromolekulare Systeme und biologische
Informationsverarbeitung},
pid = {G:(DE-Juel1)FUEK505},
shelfmark = {Chemistry, Physical},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:21355605},
UT = {WOS:000288401100013},
doi = {10.1021/jp108280q},
url = {https://juser.fz-juelich.de/record/15800},
}