bacterioprotein

bac·te·ri·o·pro·tein

(bak-tēr'ē-ō-prō'tēn),
One of the proteins within the cells of bacteria; these substances vary in their character and properties.

bacterioprotein

(băk-tē″rē-ō-prō′tē-ĭn)
Any of the proteins within the cells of bacteria.