There is a report of the EGFR tyrosine kinase domain being expressed in E. coli as a GST fusion (see the link). That group used BL21 codon plus RIL. They also show that elimination of a 13 a.a. segment of the protein increased its expression, so you may want to compare the sequence you are expressing to theirs.
XRP token and Ripple Payment Protocol are Different. Ripple is a global settlement network which allows banks to transfer money and settle international payments in different currencies. As more banks use Ripple protocol, it is becoming more valuable. Contrary to popular belief, XRP currency is different than the Ripple protocol. XRP is a token or a native currency that works under Ripple Transaction Protocol. XRP protects the Ripple network from DDOS attacks, and prevents spam.
A token economy is a form of behavior modification designed to increase desirable behavior and decrease undesirable behavior with the use of tokens. Individuals receive tokens immediately after displaying desirable behavior. The tokens are collected and later exchanged for a meaningful object or privilege. Tokens: Anything that is visible and countable can be used as a token. 2  Tokens should preferably be attractive, easy to carry and dispense, and difficult to counterfeit. 3  Commonly used items include poker chips, stickers, point tallies, or play money.