Song: Brain Stew
Band: Green Day
Album: Insomniac / International Superhits
Artist: Mike Dirnt
Standard tuning (EADG)

Guitar Intro..(0:00)

Verse.(0:38)
|————————————————————|
|————————————————————|     (x6)
|————————————————————|
|——55——33——22——11—00—|

Chorus.(1:17
|—————————————————————————————————————————————|
|—————————————————————————————————————————————|    (x2)
|—————————————————————————————————————————————|
|55xxxxxxx44xxxxxxx33xxxxxxx22xxxxxxxx11xx00xx|

(1:29) Verse (x4)
(1:54) Chorus (x2)
(2:07) Verse (x4)

Then Mike Does this once(2:26)
|——————————————————————————————————————————————————|
|——————————————————————————————————————————————————|    (x1)
|——————————————————————————————————————————————————|
|——55——33——22—///////////////\\\—11—00—|

End Riff.(2:32)
|———————————————————————————————————————————————|
|———————7—————————5——————————4————————3——————2——|      (x6)
|———————————————————————————————————————————————|
|——55————(5)——33————(3)——22————(2)——11————00————|
—
x=muted string
//=slide down 
=slide up
( )=play note softly(not as aggressive as the rest of the riff)

This was the first sing I ever lernt by ear and tabbed so please rate!
Great song especially for beginners! Feel free to correct!
But this tab is much better than the ones already posted except maybe for the ending I 
struggled a bit in tabbing it!