I've never actually followed a design pattern/best practise - it's something I should look more into.
That said, I do come from an engineering background which has given me the ability to make sure that what I'm doing actually doing makes sense and not just there because it's a habit/bad habit.
For example, I prefer some of the K&R coding styles, such as the parenthesis placements. However, in javascript I tend to put a semi-colon, ";", after everything (even though it's not required) because I prefer the explicit nature that this provides.
I know some programmers will disagree with this because it's not technically correct for a machine. However, I do run this through a couple processors before publishing it. So it's purely there for readability.
Then there's the age old debate/heated argument of TABS vs spaces.
tl;dr - As long as you and your team come up with a set of standards to abide by then you'll be fine. It should all read as though one person wrote it.