Nanobody-based chromatin immunoprecipitation

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4 Citations (Scopus)


Chromatin immunoprecipitation (ChIP), followed by microarray hybridization (ChIP-chip) or high-throughput sequencing (ChIP-seq), is becoming a widely used powerful method for the analysis of the in vivo DNA-protein interactions at genomic scale.
The success of ChIP largely depends on the quality of antibodies. Although polyclonal antibodies have been successfully used for ChIP, their production requires regular immunization and they exhibit high aspecificity and batch to batch variability. These problems can be circumvented by generating monoclonal antibodies (mAbs) via hybridoma technology. However, such mAbs do not often capture DNA-protein complexes and are not amenable to engineering.
Nanobodies are recombinant single domain antibody fragments derived from camelid Heavy-Chain antibodies. Nanobodies exhibit high affinity and specificity towards their cognate antigens and often capture their target antigens in solution. Moreover, the Nanobody genes can be easily tailored to streamline ChIP.
Here, we describe a Nanobody-based ChIP protocol which we have successfully used for genome-wide identification of the binding sites of the low-abundant transcription factor Ss-LrpB from the hyperthermoacidophilic archaeon Sulfolobus solfataricus.
Original languageEnglish
Title of host publicationSingle Domain Antibodies
Subtitle of host publicationMethods an Protocols
EditorsDirk Saerens, Serge Muyldermans
PublisherHumana Press
Number of pages15
ISBN (Electronic)978-1-61779-968-6
ISBN (Print)978-1-61779-967-9
Publication statusPublished - 18 Jul 2012

Publication series

NameMethods in Molecular Biology
PublisherHumana Press
ISSN (Print)1064-3745

Bibliographical note

John M. Walker


  • Chromatin immunoprecipitation
  • DNA-protein interaction
  • Nanobody
  • Single domain antibody
  • Sulfolobus solfataricus


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