Indicate if each of the following descriptions applies to (1) EB1, (2) kinesin-1, (3) kinesin-13, or (4) katanin. Your answer would be a four-digit number composed of digits 1 to 4 only, e.g. 1432.
( ) This is a microtubule-severing protein that can release microtubules from the microtubule-organizing centers.
( ) It increases the frequency of catastrophe by deforming microtubule protofilaments.
( ) This is a conventional motor protein that moves toward the plus end of a microtubule.
( ) It recognizes the structure of a growing microtubule end and binds to it, helping other proteins to also bind to the plus end.