AKIT3

AKIT3 (PF3D7_0410800) is a component of the apicomplexan kinetochore complex, identified as one of 13 previously unknown kinetochore proteins through interactomics combined with deep homology searches in Plasmodium falciparum and Plasmodium berghei (PMID:36006241). Beyond its assignment to the kinetochore complex and subkinetochore localization, no specific enzymatic activity, individual binding partners, or discrete functional role for AKIT3 itself has been characterized in the available corpus (PMID:36006241).

1. 2022 Medium

   The composition of the apicomplexan kinetochore was largely unknown; systematic interactomics and homology searching established AKIT3 as a bona fide kinetochore component, placing it within the machinery that connects chromosomes to spindle microtubules during parasite division.

   Evidence Interactomics (co-immunoprecipitation/proximity labeling) combined with deep homology searches and subkinetochore localization analysis in P. falciparum and P. berghei

   PMID:36006241

   Open questions at the time

   • No specific molecular activity or enzymatic function assigned to AKIT3 individually
   • No direct binding partners or substructural position within the kinetochore defined for AKIT3 alone
   • No loss-of-function phenotype demonstrating an individual functional requirement for AKIT3

• It remains unknown what specific molecular role AKIT3 plays within the kinetochore, including its direct interaction partners, its position in the kinetochore substructure, and whether it is individually required for chromosome segregation.
• No dedicated functional or structural study of AKIT3 as an individual protein
• No reciprocal validation of AKIT3-specific interactions
• No conditional knockdown/knockout data isolating AKIT3 function