IST1 homolog is a protein that in humans is encoded by the IST1 gene (previously KIAA0174). IST1 homolog interacts with the ESCRT (endosomal sorting complexes required for transport), which is involved with vesicle budding and cytokinesis.
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Further reading
External links PDBe-KB provides an overview of all the structure information available in the PDB for Human IST1 homolog