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Literature summary for 5.6.2.1 extracted from

  • Szklarczyk, O.; Staron, K.; Cieplak, M.
    Native state dynamics and mechanical properties of human topoisomerase I within a structure-based coarse-grained model (2009), Proteins, 77, 420-431.
    View publication on PubMed

Organism

Organism UniProt Comment Textmining
Homo sapiens P11387
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information Topo I catalyses two distinct reactions, the DNA relaxation and the phosphorylation of serine/arginine motifs which are present in essential splicing factors in a mutually exclusive manner, structure-function relationship, molecular dynamics modelling, overview Homo sapiens ?
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Subunits

Subunits Comment Organism
More structure-function relationship, molecular dynamics modelling, detailed overview. Topo I is a single polypeptide of 765 amino acid residues comprising four domains called: N-terminal domain with residues M1-G214, core domain with I215-A635, linker domain with P636-K712, and C-terminal domain with Q713-F765 domain. The core domain is further divided into three subdomains that form two distinct lobes in the three-dimensional structure of topo I: the cap region, including subdomains I formed by residues I215-E232 and S320-S433, subdomain II formed by residues P233-M319, and the separate subdomain III consisting of residues R434-A635 Homo sapiens

Synonyms

Synonyms Comment Organism
Topoisomerase I
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Homo sapiens