25/50 Ugly preflop spot with AK

[ike]

Original opener is WhinnePie. Villain is play2kill. We're 200BB deep. I don't like any of the options. If I 4bet I probably have to fold to a 5bet. If I call I'm oop with a lot of money left to play. Folding AK preflop isn't allowed, right?

Poker Stars - No Limit Hold'em Cash Game - $25/$50 Blinds - 8 Players - (LegoPoker HH Converter)

SB: $3,329.80
BB: $1,000.00
UTG: $5,000.00
UTG+1: $5,677.00
MP1: $3,919.00
<font color="black">Hero (MP2): $10,548.00</font>
CO: $15,246.00
BTN: $5,397.00

<font color="black">Preflop:</font> Hero is dealt K[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/heart.gif[/img] (8 Players)
<font color="red">UTG raises to $200.00</font>, 2 folds, Hero calls $200.00, <font color="red">CO raises to $800.00</font>, 4 folds, Hero ???