Reigning NFC West champion San Francisco announced the signing of its 30th overall draft pick out of Illinois Wednesday.
The 6-foot, 192-pound Jenkins had 90 catches for 1,276 yards and eight touchdowns in his senior season for the Fighting Illini and led the Big Ten Conference with an average of 6.92 receptions per game. He caught 19 TD passes during his four-year college career. He also returned 33 kickoffs for 773 yards and a TD.
His 1,276 receiving yards last season were the second-highest single-season total in school history.
The 49ers have signed all seven of their 2012 draft picks heading into the start of training camp late next month.