Multiple choice

In CATH, T represents

  1. torsion

  2. topology

  3. target

  4. tRNA
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In the CATH protein structure classification system, T stands for Topology. CATH is a hierarchical classification: Class, Architecture, Topology (arrangement of secondary structures), and Homologous superfamily. Topology describes the overall shape and connectivity of secondary structure elements.

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