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We describe a superfamily of eukaryotic and prokaryotic proteins (kleisins) that includes ScpA, Scc1, Rec8, and Barren. Scc1 interacts with SMC proteins through N- and C-terminal domains to form a ring-like structure. Since these are the only domains conserved among kleisins, we suggest that ring formation with SMC proteins may define this family.


Journal article


Mol Cell

Publication Date





571 - 575


Adenosine Triphosphatases, Adhesins, Bacterial, Amino Acid Sequence, Animals, Bacterial Proteins, Cell Cycle Proteins, Chromosomal Proteins, Non-Histone, DNA-Binding Proteins, Drosophila Proteins, Endopeptidases, Fungal Proteins, Humans, Molecular Sequence Data, Multigene Family, Multiprotein Complexes, Nuclear Proteins, Phosphoproteins, Protein Binding, Protein Structure, Tertiary, Saccharomyces cerevisiae Proteins, Schizosaccharomyces pombe Proteins, Sequence Homology, Amino Acid