U1 appears in 2 plasmids under 1 name.
U1
pKG3944: pTET221pMXS-GIB-Cre-C-WPRE pKG3943: pTET220pMXS-GIB-Cre-N-WPRE
pKG3944: pTET221pMXS-GIB-Cre-C-WPRE
pKG3943: pTET220pMXS-GIB-Cre-N-WPRE