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KATNA1
Microtubules, polymers of alpha and beta tubulin subunits, form the mitotic spindle of a dividing cell and help to organize membranous organelles during interphase. Katanin is a heterodimer that consists of a 60 kDa ATPase (p60 subunit A 1) and an 80 kDa accessory protein (p80 subunit B 1). The p60 subunit acts to sever and disassemble microtubules, while the p80 subunit targets the enzyme to the centrosome. This gene encodes the p80 subunit. This protein is a member of the AAA family of ATPases. Multiple alternatively spliced variants, encoding the same protein, have been identified.
Protein class
Enzymes
Predicted location
Intracellular
Single cell type specificity
Group enriched (Early spermatids, Late spermatids, Spermatocytes)
Immune cell specificity
Low immune cell specificity
Cell line specificity
Low cell line specificity
Interaction
Can homooligomerize into hexameric rings, which may be promoted by interaction with microtubules. Interacts with KATNB1, which may serve as a targeting subunit (PubMed:10751153). Interacts with ASPM; the katanin complex formation KATNA1:KATNB1 is required for the association of ASPM (By similarity). Interacts with dynein and NDEL1. Associates with the E3 ligase complex containing DYRK2, EDD/UBR5, DDB1 and DCAF1 proteins (EDVP complex) (PubMed:19287380). Interacts with KLHL42 (via the kelch domains). Interacts with CUL3; the interaction is enhanced by KLHL42 (PubMed:19261606). Interacts with KATNB1 and KATNBL1 (PubMed:26929214). Interacts with CAMSAP2 and CAMSAP3; leading to regulate the length of CAMSAP-decorated microtubule stretches (PubMed:24486153, PubMed:28386021).
Molecular function
Isomerase
More Types Infomation
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- Derivation: Phage display library screening
- Species Reactivity: Human
- Type: IgG
- Application: WB
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For Research Use Only. Not For Clinical Use.