MPD strain type codes

Strain types
CG	congenic
CI	coisogenic
CS	consomic (chromosome substitution)
F1	F1 hybrid
IN	inbred
IWD	wild-derived inbred
MU	mutant stock
OU	outbred
RC	recombinant congenic
RI	recombinant inbred
SB	selectively bred line