Fachgebiet Molekulare Biophysik

2019

  • Self-assembly behaviors and application of terphenyl-cored trimaltosides for membrane protein study: impact of detergent hydrophobic group geometry on protein stability
    Ehsan M, Du Y, Mortensen JS, Hariharan P, Qu Q, Ghani L, Das M, Grethen A, Byrne B, Skiniotis G, Keller S, Loland CJ, Guan L, Kobilka BK, Chae PS
    Chem. Eur. J. 2019, 25, 11545
  • Copper and zinc ions govern the trans-directed dimerization of APP family members in multiple ways
    August A, Schmidt N, Klingler J, Baumkötter F, Lechner M, Klement J, Eggert S, Vargas C, Wild K, Keller S, Kins S
    J. Neurochem. 2019, accepted
  • Structural dynamics of membrane-protein folding from single-molecule FRET
    Krainer G, Keller S, Schlierf M
    Curr. Opin. Struct. Biol. 2019, 58, 124
  • VIPP1 rods engulf membranes containing phosphatidylinositol phosphates
    Theis J, Gupta T, Klingler J, Wan W, Albert S, Keller S, Engel B, Schroda M
    Sci. Rep. 2019, 9, 8725
  • Structural determinants of the interaction between influenza A virus matrix protein M1 and lipid membranes
    Hoefer CT, Di Lella S, Dahmani I, Jungnick N, Bordag N, Bobone S, Huang Q, Keller S, Herrmann A, Chiantia S
    Biochim. Biophys. Acta 2019, 1861, 1123
  • Influence of Mg2+ and Ca2+ on nanodisc formation by diisobutylene/maleic acid (DIBMA) copolymer
    Danielczak B, Meister A, Keller S
    Chem. Phys. Lipids 2019, 221, 30
  • Hydrogenated diglucose detergents for membrane-protein extraction and stabilization
    Guillet P, Mahler F, Garnier K, Nyame Mendendy Boussambe G, Igonet S, Vargas C, Ebel C, Soulié M, Keller S, Jawhari A, Durand G
    Langmuir 2019, 35, 4287

2018

  • Carbon's three-center-four-electron tetrel bond, treated experimentally
    Karim A, Schulz N, Andersson H, Nekoueishahraki B, Carlsson AC, Sarabi D, Valkonen A, Rissanen K, Gräfenstein J, Keller S, Erdélyi M
    J. Am. Chem. Soc. 2018, 140, 17571
  • Collisional lipid exchange among DIBMA-encapsulated nanodiscs (DIBMALPs)
    Danielczak B, Keller S 
    Eur. Polym. J. 201810, 206
  • Conformational dynamics govern the free-energy landscape of a membrane-interacting protein
    Frotscher E, Krainer G, Hartmann A, Schlierf M, Keller S
    ACS Omega 2018, 3, 12026
  • A minimal helical-hairpin motif provides molecular-level insights into misfolding and pharmacological rescue of CFTR
    Krainer G, Treff A, Hartmann A, Stone TA, Schenkel M, Keller S, Deber CM, Schlierf M
    Commun. Biol. 2018, 154, 1
  • Rationalizing steroid interactions with lipid membranes: conformations, partitioning, and kinetics
    Atkovska K, Klingler J, Oberwinkler J, Keller S, Hub JS
    ACS Cent. Sci. 2018, 4, 1155
  • Aggregation behavior of pHLIP in aqueous solution at low concentrations: a fluorescence study
    Rao BD, Chakraborty H, Keller S, Chattopadhyay A 
    J. Fluoresc. 2018, 28, 967
  • Lipid membranes and reactions at lipid interfaces: theory, experiments, and applications
    Bondar AN, Keller S
    J. Membr. Biol. 2018, 251, 295
  • Fluorinated diglucose detergents for membrane-protein extraction
    Boussambe GNM, Guillet P, Mahler F, Marconnet A, Vargas C, Cornut D, Soulié M, Ebel C, Le Roy A, Jawhari A, Bonneté F, Keller S, Durand G
    Methods 2018, 147, 84
  • Extracavity effect in cyclodextrin/surfactant complexation
    Vargas C, Schönbeck C, Heimann I, Keller S
    Langmuir 201834, 5781
  • Dissecting nanosecond dynamics in membrane proteins with dipolar relaxation upon tryptophan photoexcitation
    Frotscher E, Krainer G, Schlierf M, Keller S
    J. Phys. Chem. Lett2018, 9, 2241
  • Role of Coulombic repulsion in collisional lipid transfer among SMA(2:1)-bounded nanodiscs
    Grethen A, Glueck D, Keller S
    J. Membr. Biol. 2018, 251, 443
  • Ultrafast protein folding in membrane-mimetic environments
    Krainer G, Hartmann A, Anandamurugan A, Gracia P, Keller S, Schlierf M
    J. Mol. Biol. 2018, 430, 554 

2017

  • Formation of lipid-bilayer nanodiscs by diisobutylene/maleic acid (DIBMA) copolymer
    Oluwole AO, Klingler J, Danielczak B, Babalola JO, Vargas C, Pabst G, Keller S
    Langmuir 2017, 33, 14378
  • Thermodynamics of nanodisc formation mediated by styrene/maleic acid (2:1) copolymer
    Grethen A, Oluwole AO, Danielczak B, Vargas C, Keller S
    Sci. Rep. 2017, 7, 11517 
  • Structural and molecular comparison of bacterial and eukaryotic trigger factors
    Ries F, Carius Y, Rohr M, Gries K, Keller S, Lancaster CRD, Willmund F
    Sci. Rep. 2017, 7, 10680
  • Slow interconversion in a heterogeneous unfolded-state ensemble of outer-membrane phospholipase A
    Krainer G, Gracia P, Frotscher E, Hartmann A, Gröger P, Keller S, Schlierf M
    Biophys. J. 2017, 113, 1280
  • Fast collisional lipid transfer among polymer-bounded nanodiscs
    Cuevas Arenas R, Danielczak B, Martel A, Porcar L, Breyton C, Ebel C, Keller S
    Sci. Rep. 2017, 7, 45875
  • Real-time visualization of phospholipid degradation by outer membrane phospholipase A using high-speed atomic force microscopy
    Rangl M, Rima L, Klement J, Miyagi A, Keller S, Scheuring S
    J. Mol. Biol. 2017, 429, 977
  • Model-free analysis of critical micellar concentrations for detecting demixing in surfactant mixtures
    Frotscher E, Höring J, Durand G, Vargas C, Keller S
    Anal. Chem. 2017, 89, 3245
  • Solubilization of membrane proteins into functional lipid-bilayer nanodiscs by diisobutylene/maleic acid copolymer
    Oluwole AO, Danielczak B, Meister A, Babalola JO, Vargas C, Keller S 
    Angew. Chem. Int. Ed. 201756, 1919

2016

  • Oxoanion binding to a cyclic pseudopeptide containing 1,4-disubstituted 1,2,3-triazole moieties
    Mungalpara D, Kelm H, Valkonen A, Keller S, Kubik S
    Org. Biomol. Chem. 201615, 102
  • Influence of lipid bilayer properties on nanodisc formation mediated by styrene/maleic acid copolymers
    Cuevas Arenas R, Klingler J, Vargas C, Keller S
    Nanoscale 2016, 8, 15016
  • Journal of Membrane Biology: Biophysics
    Keller S, Bondar AN, Broecker J, Ladokhin AS, Sinner EK
    J. Membr. Biol. 2016, 249, 5
  • Sparingly fluorinated maltoside-based surfactants for membrane-protein stabilization
    Polidori A, Raynal S, Barret LA, Dahani M, Barrot-Ivolot C, Jungas C, Frotscher E, Keller S, Ebel C, Breyton C, Bonneté F
    New J. Chem 2016, 40, 5364
  • Integration and global analysis of isothermal titration calorimetry data for studying macromolecular interactions
    Brautigam CA, Zhao H, Vargas C, Keller S, Schuck P
    Nat. Protoc. 2016, 11, 882
  • Reversible unfolding of rhomboid intramembrane proteases
    Panigrahi R, Arutyunova E, Panwar P, Gimpl K, Keller S, Lemieux M
    Biophys. J. 2016110, 1379
  • Characterising protein/detergent complexes by triple-detection size-exclusion chromatography
    Gimpl K, Klement J, Keller S
    Biol. Proced. Online 201618, 4
  • Calorimetric quantification of cyclodextrin-mediated detergent extraction for membrane-protein reconstitution
    Textor M, Keller S
    Methods Enzymol. 2016567, 129

2015

  • Nanoparticle self-assembly in mixtures of phospholipids with styrene/maleic acid copolymers or fluorinated surfactants
    Vargas C, Cuevas Arenas R, Frotscher E, Keller S
    Nanoscale 20157, 20685
  • Quantification of millisecond protein-folding dynamics in membrane-mimetic environments by single-molecule FRET spectroscopy
    Hartmann A, Krainer G, Keller S, Schlierf M
    Anal. Chem. 2015, 87, 11224
  • Multiple multidentate halogen bonding in solution, in the solid state, and in the (calculated) gas phase
    Jungbauer SH, Schindler S, Herdtweck E, Keller S, Huber SM
    Chemistry 201521, 13625
  • Structural thermodynamics of myr-Src(2–19) binding to phospholipid membranes
    Scheidt HA, Klingler J, Huster D, Keller S
    Biophys. J. 2015109, 586
  • Automated analysis of calorimetric demicellisation titrations
    Textor M, Keller S
    Anal. Biochem. 2015, 485, 119
  • Modulating bilayer mechanical properties to promote the coupled folding and insertion of an integral membrane protein
    Herrmann M, Danielczak B, Textor M, Klement J, Keller S
    Eur. Biophys. J. 201544, 503
  • Biocalorimetry
    Chaires JB, Hansen LD, Keller S, Brautigam CA, Zhao H, Schuck P
    Methods 2015, 76, 1
  • A fluorinated detergent for membrane-protein applications
    Frotscher E, Danielczak B, Vargas C, Meister A, Durand G, Keller S
    Angew. Chem. Int. Ed. 2015, 54, 5069
  • Preparation of ready-to-use small unilamellar phospholipid vesicles by ultrasonication with a beaker resonator
    Klingler J, Vargas C, Fiedler S, Keller S
    Anal. Biochem. 2015, 477, 10
  • Micellar and biochemical properties of a propyl-ended fluorinated surfactant designed for membrane-protein study
    Abla M, Unger S, Keller S, Bonneté F, Ebel C, Pucci B, Breyton C, Durand G
    J. Colloid Interface Sci. 2015, 445, 127
  • Calorimetric quantification of linked equilibria in cyclodextrin/lipid/detergent mixtures for membrane-protein reconstitution
    Textor M, Vargas C, Keller S
    Methods 2015, 76, 183
  • Single-experiment displacement assay for quantifying high-affinity binding by isothermal titration calorimetry
    Krainer G, Keller S
    Methods 2015, 76, 116
  • Mistic's membrane association and its assistance in overexpression of a human GPCR are independent processes
    Marino J, Bordag N, Keller S, Zerbe O
    Protein Sci. 201524, 38

2014

  • Sequence-specific dimerization of a transmembrane helix in amphipol A8-35
    Stangl M, Unger S, Keller S, Schneider D
    PLoS One 2014, 9, e110970
  • Self-assembly thermodynamics of pH-responsive amino acid-based polymers with a non-ionic surfactant
    Bogomolova AY, Keller S, Klingler J, Sedlak M, Rak D, Sturcova A, Hruby M, Stepanek P, Filippov SK
    Langmuir 2014, 30, 11307
  • Polar interactions trump hydrophobicity in stabilizing the self-inserting membrane protein Mistic
    Broecker J, Fiedler S, Gimpl K, Keller S
    J. Am. Chem. Soc. 2014, 136, 13761
  • Amyloid precursor protein dimerization and synaptogenic function depend on copper binding to the growth factor-like domain
    Baumkötter F, Schmidt N, Vargas C, Schilling S, Weber R, Wagner K, Fiedler S, Klug W, Radzimanowski J, Nickolaus S, Keller S, Eggert S, Wild K, Kins S
    J. Neurosci. 2014, 34, 11159
  • Analysis of selected and designed chimeric D- and L-α-helix assemblies
    Kükenshöner T, Hagemann UB, Wohlwend D, Räuber C, Baumann T, Keller S, Einsle O, Müller KM, Arndt KM
    Biomacromolecules 2014, 15, 3296
  • Small-molecule inhibitors of AF6 PDZ-mediated protein–protein interactions
    Vargas C, Radziwill G, Krause G, Diehl A, Keller S, Kamdem N, Czekelius C, Kreuchwig A, Schmieder P, Doyle D, Moelling K, Hagen V, Schade M, Oschkinat H
    ChemMedChem 2014, 9, 1458
  • Structure–activity relationships of the antimicrobial peptide gramicidin S and its analogues: aqueous solubility, self association, conformation, antimicrobial activity and interactions with model lipid membranes
    Abraham T, Prenner EJ, Lewis RN, Mant CT, Keller S, Hodges RS, McElhaney RN
    Biochim. Biophys. Acta 2014, 1838, 1420

2013

  • New and Notable: How membrane partitioning modulates receptor activation: parallel versus serial effects of hydrophobic ligands
    Heerklotz H, Keller S
    Biophys. J. 2013105, 2607
  • Real-time monitoring of membrane-protein reconstitution by isothermal titration calorimetry
    Jahnke N, Krylova O, Hoomann T, Vargas C, Fiedler S, Pohl P, Keller S
    Anal. Chem. 2014, 86, 920
  • The mechanism of denaturation and the unfolded state of the α-helical membrane-associated protein Mistic
    Jacso T, Bardiaux B, Broecker J, Fiedler S, Baerwinkel T, Mainz A, Fink U, Vargas C, Oschkinat H, Keller S, Reif B
    J. Am. Chem. Soc. 2013, 135, 18884
  • Calmodulin-dependent activation and inactivation of anoctamin calcium-gated chloride channels
    Vocke K, Dauner K, Hahn A, Ulbrich A, Broecker J, Keller S, Frings S, Möhrlen F
    J. Gen. Physiol. 2013, 142, 381
  • Membrane partitioning and translocation studied by isothermal titration calorimetry
    Vargas C, Klingler J, Keller S
    Methods Mol. Biol. 2013, 1033, 253
  • Filter gate closure inhibits ion but not water transport through potassium channels
    Hoomann T, Jahnke N, Horner A, Keller S, Pohl P
    Proc. Natl. Acad. Sci. USA 2013, 110, 10842
  • Impact of urea on detergent micelle properties
    Broecker J, Keller S
    Langmuir 2013, 29, 8502
  • Automated circular dichroism spectroscopy for medium-throughput analysis of protein conformation
    Fiedler S, Cole L, Keller S
    Anal. Chem. 2013, 85, 1868

2012

  • Quantifying high-affinity binding of hydrophobic ligands by isothermal titration calorimetry
    Krainer G, Broecker J, Vargas C, Fanghänel J, Keller S
    Anal. Chem. 2012, 84, 10715
  • Coumarin-based octopamine phototriggers and their effects on an insect octopamine receptor
    Schaal J, Dekowski B, Wiesner B, Eichhorst J, Marter K, Vargas C, Keller S, Eremina N, Barth A, Baumann A, Eisenhardt D, Hagen V
    ChemBioChem 2012, 13, 1458
  • High-precision isothermal titration calorimetry with automated peak-shape analysis
    Keller S, Vargas C, Zhao H, Piszczek G, Brautigam CA, Schuck P
    Anal. Chem. 2012, 84, 5066
  • Ring A of nukacin ISK-1: a lipid II-binding motif for type-A(II) lantibiotic
    Islam MR, Nishie M, Nagao J, Keller S, Nakayama J, Kohda D, Sahl HG, Sonomoto K
    J. Am. Chem. Soc. 2012, 134, 3687
  • Mutations of ventricular essential myosin light chain disturb myosin binding and sarcomeric sorting
    Lossie J, Ushakov DS, Ferenczi MA, Werner S, Keller S, Haase H, Morano I
    Cardiovasc. Res. 2012, 93, 390
  • Characterization of membrane proteins in isolated native cellular membranes by dynamic nuclear polarization solid-state NMR spectroscopy without purification and reconstitution
    Jacso T, Franks WT, Rose H, Fink U, Broecker J, Keller S, Oschkinat H, Reif B
    Angew. Chem. Int. Ed. 2012, 51, 432

2011

  • Mia40-dependent oxidation of cysteines in domain I of Ccs1 controls its distribution between mitochondria and the cytosol
    Klöppel C, Suzuki Y, Kojer K, Petrungaro C, Longen S, Fiedler S, Keller S, Riemer J
    Mol. Biol. Cell 201122, 3749
  • Revisiting the optimal c value for isothermal titration calorimetry
    Broecker J, Vargas C, Keller S
    Anal. Biochem. 2011, 418, 307
  • Distinct binding properties distinguish LQ-type calmodulin-binding domains in cyclic nucleotide-gated channels
    Ungerer N, Mücke N, Broecker J, Keller S, Frings S, Möhrlen F
    Biochemistry 2011, 50, 3221
  • Human essential myosin light chain isoforms revealed distinct myosin binding, sarcomeric sorting, and inotropic activity
    Petzhold D, Lossie J, Keller S, Werner S, Haase H, Morano I
    Cardiovasc. Res. 2011, 90, 513
  • A myomesin mutation associated with hypertrophic cardiomyopathy deteriorates dimerisation properties
    Segert R, Perrot A, Keller S, Behlke J, Michalewska-Włudarczyk A, Wycisk A, Tendera M, Morano I, Ozcelik C.
    Biochem. Biophys. Res. Commun. 2011, 405, 473
  • Interaction of W-substituted analogs of cyclo-RRRWFW with bacterial lipopolysaccharides: the role of the aromatic cluster in antimicrobial activity
    Bagheri M, Keller S, Dathe M
    Antimicrob. Agents Chemother. 2011, 55, 788

2010

  • Short cationic antimicrobial peptides interact with ATP
    Hilpert K, McLeod B, Yu J, Elliott MR, Rautenbach M, Ruden S, Bürck J, Muhle-Goll C, Ulrich AS, Keller S, Hancock RE
    Antimicrob. Agents Chemother. 2010, 54, 4480
  • Auto-inhibitory effects of an IQ motif on protein structure and function
    Petzhold D, Lossie J, Behlke J, Keller S, Haase H, Morano I
    Biochem. Biophys. Res. Commun. 2010, 396, 939
  • Membrane solubilisation and reconstitution by octylglucoside: comparison of synthetic lipid and natural lipid extract by isothermal titration calorimetry
    Krylova OO, Jahnke N, Keller S
    Biophys. Chem. 2010, 150, 105
  • Nonlinear least-squares data fitting in Excel spreadsheets
    Kemmer G, Keller S
    Nat. Protoc. 2010, 5, 267
  • Crystal structures of the solute receptor GacH of Streptomyces glaucescens in complex with acarbose and an acarbose homolog: comparison with the acarbose-loaded maltose-binding protein of Salmonella typhimurium
    Vahedi-Faridi A, Licht A, Bulut H, Scheffel F, Keller S, Wehmeier UF, Saenger W, Schneider E
    J. Mol. Biol. 2010, 397, 709
  • Protein folding in membranes
    Fiedler S, Broecker J, Keller S
    Cell. Mol. Life Sci. 2010, 67, 1779
  • Membrane translocation assayed by fluorescence spectroscopy
    Broecker J, Keller S
    Methods Mol. Biol. 2010, 606, 271
  • Molecular basis for association of PIPKIγ-p90 with clathrin adaptor AP-2
    Kahlfeldt N, Vahedi-Faridi A, Koo SJ, Schäfer JG, Krainer G, Keller S, Saenger W, Krauss M, Haucke V
    J. Biol. Chem. 2010, 285, 2734
  • α-helical transmembrane peptides: a "divide and conquer" approach to membrane proteins
    Bordag N, Keller S
    Chem. Phys. Lipids 2010, 163, 1

2009

  • Selective identification of cooperatively binding fragments in a high-throughput ligation assay enables development of a picomolar caspase-3 inhibitor
    Schmidt MF, El-Dahshan A, Keller S, Rademann J
    Angew. Chem. Int. Ed. 2009, 48, 6346
  • Proline-rich sequence recognition II: proteomic analysis of Tsg101-UEV interactions
    Schlundt A, Sticht J, Piotukh K, Kosslik D, Jahnke N, Keller S, Schuemann M, Krause E, Freund C
    Mol. Cell. Proteomics 2009, 8, 2474
  • Monitoring detergent-mediated solubilization and reconstitution of lipid membranes by isothermal titration calorimetry
    Heerklotz H, Tsamaloukas AD, Keller S
    Nat. Protoc. 2009, 4, 686
  • Periplasmic loop P2 of the MalE subunit of the maltose ATP binding cassette transporter is sufficient to bind the maltose binding protein MalE
    Jacso T, Grote M, Daus ML, Schmieder P, Keller S, Schneider E, Reif B
    Biochemistry 2009, 48, 2216

2007

  • Uptake and release protocol for assessing membrane binding and permeation by way of isothermal titration calorimetry
    Tsamaloukas A, Keller S, Heerklotz H
    Nat. Protoc. 2007, 2, 695
  • A simple fluorescence-spectroscopic membrane translocation assay
    Keller S, Böthe M, Bienert M, Dathe M, Blume A
    ChemBioChem 2007, 8, 546
  • A network of coiled-coil associations derived from synthetic GCN4 leucine zipper arrays
    Portwich M, Keller S, Strauss HM, Mahrenholz CC, Kramer A, Kretzschmar I, Volkmer R
    Angew. Chem. Int. Ed. 2007, 46, 1654
  • Caged capsaicins: new tools for the examination of TRPV1 channels in somatosensory neurons
    Gilbert D, Funk K, Lechler R, Keller S, Möhrlen F, Frings S, Hagen V
    ChemBioChem 2007, 8, 89

2006

  • Dipalmitoylation of a cellular uptake-mediating apolipoprotein E-derived peptide as a promising modification for stable anchorage in liposomal drug carriers
    Sauer I, Nikolenko H, Keller S, Abu Ajaj K, Bienert M, Dathe M
    Biochim. Biophys. Acta 2006, 1758, 552
  • Thermodynamics of lipid membrane solubilization by sodium dodecyl sulfate
    Keller S, Heerklotz H, Jahnke N, Blume A
    Biophys. J. 2006, 90, 4509
  • A caged doxycycline analogue for photoactivated gene expression
    Cambridge SB, Geissler D, Keller S, Cürten B
    Angew. Chem. Int. Ed. 2006, 45, 2229
  • Monitoring lipid membrane translocation of sodium dodecyl sulfate by isothermal titration calorimetry
    Keller S, Heerklotz H, Blume A
    J. Am. Chem. Soc. 2006, 128, 1279

2005

  • Coumarinylmethyl esters for ultrafast release of high concentrations of cyclic nucleotides upon one- and two-photon photolysis
    Hagen V, Dekowski B, Nache V, Schmidt R, Geissler D, Lorenz D, Eichhorst J, Keller S, Kaneko H, Benndorf K, Wiesner B
    Angew. Chem. Int. Ed. 2005, 44, 7887
  • A quantitative model describing the selective solubilization of membrane domains
    Keller S, Tsamaloukas A, Heerklotz H
    J. Am. Chem. Soc. 2005, 127, 11469
  • A critical reassessment of penetratin translocation across lipid membranes
    Bárány-Wallje E, Keller S, Serowy S, Geibel S, Pohl P, Bienert M, Dathe M
    Biophys. J. 2005, 89, 2513
  • Membrane-mimetic nanocarriers formed by a dipalmitoylated cell-penetrating peptide
    Keller S, Sauer I, Strauss H, Gast K, Dathe M, Bienert M
    Angew. Chem. Int. Ed. 2005, 44, 5252
  • (Coumarin-4-yl)methyl esters as highly efficient, ultrafast phototriggers for protons and their application to acidifying membrane surfaces
    Geissler D, Antonenko YN, Schmidt R, Keller S, Krylova OO, Wiesner B, Bendig J, Pohl P, Hagen V
    Angew. Chem. Int. Ed. 2005, 44, 1195

Book Chapters

  • Peptide–membrane interactions studied by isothermal titration calorimetry.
    Klingler J, Keller S.
    In Biocalorimetry: Foundations and Contemporary Approaches
    Bastos M, Ed.; CRC Press: London, 2015, in print.
  • Pharmacological interference with protein–protein interactions mediated by coiled-coil motifs.
    Strauss HM, Keller S.
    In Handbook of Experimental Pharmacology 186: Protein–Protein Interactions as New Drug Targets
    Klussmann E, Scott J, Eds.; Springer-Verlag: Berlin, 2008, 461–481.
  • Cellular uptake of liposomal and micellar carriers mediated by apoE-derived peptides.
    Dathe M, Keller S, Sauer I, Bienert M.
    In Handbook of Cell-Penetrating Peptides 2nd ed. Langel Ü, Ed.; CRC Press: Boca Raton, 2006, 483–503.

Patent

Peptide and protein affinity tag.
Keller S, Bordag N.
EP 10 075 359.9, US 61/376,083; deposited 23rd August 2010.

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