Im not 100% but as far as I know these things are completely seperate. Vampire perks do not affect your normal form and any enchantments and abiltiies you have do not affect your vampire lord form.
Most of the enchantments on the artifacts apply to both forms. I doubt poison damage is added on the normal form, but khajit do get the unarmed damage bonus. Also, clicking left stick allows you to do unarmed attacks.
racial abilitys, such as the Khajit claw damage will not carry over into the VL form. perks from your normal character will carry over though. such as the magic resist from the alt tree. I don't think however that the opposite is true. The perks you get as a VL will carry over into your normal form. Although I haven't tested it yet. I may do that in a min. I already have a VL Khajit