The repressor is a dimer of a 236 amino acid subunit. Each subunit consists of two domains, one of which (the N-terminal) includes the helix-turn-helix motif and binds DNA, while the other is responsible for the formation of dimers. However, the two domains of one subunit can be separated by mild proteolysis.
The purpose of a marriage license is to provide proof that a couple is allowed to enter into a legally recognized marriage. In order to receive a marriage license, couples must provide proof of their eligibility of meeting all state requirements.
, Happily married to the same dude for 25+ years. 1  A marriage license is one you must apply for and receive from your local county or district government in order to get married. A marriage certificate is signed by the officiator indicating that a marriage ceremony was performed.