pCl-neo sequence: [http://www.ncbi.nlm.nih.gov/nuccore/8677398]
Promega 2009: pCI-neo Mammalian Expression Vector [http://www.promega.com/~/media/files/resources/protocols/technical%20bulletins/0/pci%20neo%20mammalian%20expression%20vector%20protocol.pdf?la=en]