This domain is found at the N-terminal end of Myosin A tail domain interacting protein from Plasmodium falciparum (MTIP) and in similar eukaryotic sequences. MTIP is one of the proteins that empower host cell invasion. This domain adopts an EF hand configuration [1-5].

1: Structure of the MTIP-MyoA complex, a key component of the malaria parasite invasion motor. Bosch J, Turley S, Daly TM, Bogh SM, Villasmil ML, Roach C, Zhou N, Morrisey JM, Vaidya AB, Bergman LW, Hol WG; Proc Natl Acad Sci U S A. 2006;103:4852-4857. PMID:16547135

2: The closed MTIP-myosin A-tail complex from the malaria parasite invasion machinery. Bosch J, Turley S, Roach CM, Daly TM, Bergman LW, Hol WG; J Mol Biol. 2007;372:77-88. PMID:17628590

3: Regulation of the Plasmodium motor complex: phosphorylation of myosin A tail-interacting protein (MTIP) loosens its grip on MyoA. Douse CH, Green JL, Salgado PS, Simpson PJ, Thomas JC, Langsley G, Holder AA, Tate EW, Cota E; J Biol Chem. 2012;287:36968-36977. PMID:22932904

4: The structure of the D3 domain of Plasmodium falciparum myosin tail interacting protein MTIP in complex with a nanobody. Khamrui S, Turley S, Pardon E, Steyaert J, Fan E, Verlinde CL, Bergman LW, Hol WG; Mol Biochem Parasitol. 2013;190:87-91. PMID:23831371

5: Crystal structures of stapled and hydrogen bond surrogate peptides targeting a fully buried protein-helix interaction. Douse CH, Maas SJ, Thomas JC, Garnett JA, Sun Y, Cota E, Tate EW; ACS Chem Biol. 2014;9:2204-2209. PMID:25084543