calcium-dependent lipid-binding family protein; IPR000008 (C2 domain), IPR009291 (Vacuolar protein sorting-associated protein 62), IPR009543 (Vacuolar protein sorting-associated protein 13 domain), IPR026847 (Vacuolar protein sorting-associated protein 13), IPR026854 (Vacuolar protein sorting-associated protein 13A N-terminal domain); GO:0005515 (protein binding)