Going from doing things to getting things done is big change. There are a lot of unwritten and written rules on how to do well in your new position. this is small list that has helped me.
Start by reading First Time Manager , this book helped me understand that one of the most important things a new manager can do is - understanding the culture of the organization. The way you treat people, is the next important lesson. Finally comes figuring out how work is done.
You can get a lot of insight into managing smart people from this manifesto by