Which of the following interpretations is best supported by the data? Select ONE.a. The RING domain of Hrd1 faces the ER lumenb. The RING domain of Hrd1 faces the cytosolc. The RING domain of Hrd1 can face either the ER lumen or the cytosold. The RING domain is cleaved off of Hrd1 in the mature proteine. Hrd1-FLAG did not express well in yeast so no conclusion can be drawn