Gore takes part in full practice

The practice was closed to the media (all Wednesday practices are closed this season), so I have no idea how Michael Crabtree looked in his first full practice running 49ers plays with Shaun Hill at quarterback. The 49ers announced that safety Reggie Smith will not play this week. He sustained a severe groin strain Sept. 27 against the Vikings. Also, safety Michael Lewis was limited in work because of the concussion he sustained Oct. 11 against the Falcons. Coach Mike Singletary said earlier in the day he does not know whether Lewis will be available for Sunday's game. Lewis has experienced three concussions since mid-August. Veteran Mark Roman is the first safety off the sideline, so he would start if Lewis is unavailable. Defensive end Ray McDonald (ankle) was limited in practice. There was talk last week that rookie Ricky Jean-Francois might suit up for the first time, but I don't know if that plan is still on the table after he missed his flight back to the...