Yes, it can open ucsf directly. 4rrrr, ft4, etc can be converted to ucsf. Experiment type should be chosen for your need, but you can consider I-PINE supported experiments if you wish to do a protein assignment automatically. You can check them from here:
Woonghee Lee, I.E.I.P., M.S., Ph.D.
Assistant Professor & Data Science and Chemistry Certificate Program Director
Department of Chemistry
University of Colorado Denver
1151 Arapahoe St. (Science Bldg.) Rm 4128A (office), Rm 4128 (dry lab), Rm 4133 (wet lab)
Denver, CO 80217-3364, USA
Shipping/Mailing Address:
Woonghee Lee
1201 5th St. UCD CHEM-194
P.O. Box 173364 (USPS)
Denver, CO 80204, USA