GC content:
P (132961 nt):	66.46 %GC
P1 (189370 nt):	67.43 %GC
P2 (203054 nt):	65.78 %GC
M1 (518080 nt):	67.34 %GC
M2 (117067 nt):	66.37 %GC
M3 (530474 nt):	66.70 %GC
-------------------------
total (1691006):	66.83 %GC