Cited by 175DNA Repair MechanismsGenomics and Chromatin DynamicsT-cell and B-cell Immunology

Conservation of sequence in recombination signal sequence spacers

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Ramsden, Dale A., Baetz, Kristin, Wu, Gillian E.·1994·Nucleic Acids Research

Abstract

The variable domains of immunoglobulins and T cell receptors are assembled through the somatic, site specific recombination of multiple germline segments (V, D, and J segments) or V(D)J rearrangement. The recombination signal sequence (RSS) is necessary and sufficient for cell type specific targeting of the V(D)J rearrangement machinery to these germline segments. Previously, the RSS has been described as possessing both a conserved heptamer and a conserved nonamer motif. The heptamer and nonamer motifs are separated by a 'spacer' that was not thought to possess significant sequence conservation, however the length of the spacer could be either 12 +/- 1 bp or 23 +/- 1 bp long. In this report we have assembled and analyzed an extensive data base of published RSS. We have derived, through extensive consensus comparison, a more detailed description of the RSS than has previously been reported. Our analysis indicates that RSS spacers possess significant conservation of sequence, and that the conserved sequence in 12 bp spacers is similar to the conserved sequence in the first half of 23 bp spacers.

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Crossref · 10.1093/nar/22.10.1785

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  • The structure of Transib TIRs corresponds closely to the structure of RSSs, which are composed of conserved heptamers 5′-CACAGTG separated by variable 22-bp spacers from ACAAAAACC-like nonamers.

    “This corresponds closely to the structure of RSSs, which are composed of the conserved heptamers 5′- CACAGTG separated by a variable 22-bp spacers from ACAAAAACC-like nonamers [1,5–7].”

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Authors
Ramsden, D. A., Baetz, K., & Wu, G. E.
Affiliations
University of Toronto (CA)
Corresponding author
Wu, Gillian E.
Venue
Nucleic Acids Research
Published
1994
Volume
22
Issue
10
Pages
1785-1796
ISSN
  • 0305-1048 (ISSN-L)
  • 1362-4962
OpenAlex
W2087604899
Cited by
175
References
121
Citations by year
2026: 1 · 2025: 9 · 2024: 4 · 2023: 7 · 2022: 3 · 2021: 5 · 2020: 2 · 2019: 3 · 2018: 6 · 2017: 4 · 2016: 5 · 2015: 4 · 2014: 5 · 2013: 8 · 2012: 1
FWCI
1.77
Type
journal article
Language
en
Open access
Locations
  • Nucleic Acids Research (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
Francis Crick Institute
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
Keywords
recombination signal sequences, sequence conservation, V(D)J recombination, immunoglobulin variable region, T-cell receptor variable region
MeSH terms
Animals, Antibody Diversity, Base Composition, Base Sequence, DNA, Genes, Immunoglobulin, Humans, Molecular Sequence Data, Receptors, Antigen, T-Cell, Recombination, Genetic, Gene Rearrangement, Consensus Sequence, Sequence Alignment, Conserved Sequence

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