F1 - Join marines (or team1 in MvM or AvA)
F2 - Join aliens (or team2 in MvM or AvA)
F4 (twice)  - Readyroom

R - reload as marines, or "movement" secondary-function as alien (leap/blink/charge)

Z - "Follow me"
V - taunt
X - "Alien spotted" (bind x "impulse 13")
N - "Heal/weld me"  (bind n "impulse 14")