With Celtic not in action this week and Hearts due to play on Sunday, goals from Kenny McLean and Sam Parkin see the Paisley side take a turn at the top.
McLean scored with a magnificent 35-yard shot six minutes from the interval while Parkin clinched the points in the 62nd minute when he controlled a Dougie Imrie cross before slotting the ball home.
Inverness and Kilmarnock had to share the points as they drew 1-1 at the Caledonian Stadium.
Andrew Shinnie gave the home side the lead after just eight minutes but Manuel Pascali levelled the scores just before the break.
The home side had to play the last 11 minutes of time with just 10 men after Owain Tudur-Jones was sent off for violent conduct, but they managed to hold on.
Motherwell and St Johnstone also drew 1-1, with Murray Davidson giving the visiting side a 58th-minute lead.
Bob McHugh hit back 20 minutes later and it was honours even at full time.
Ross County continued their long unbeaten run with a goalless draw against Aberdeen at Pittodrie.
The Dons enjoyed the better of the chances with Gavin Rae guilty of heading wide in the best opening, but the Staggies defended resolutely to make it 36 league games without defeat.
Germany is one of the top teams ever and they will play the US on Sunday.
Neymar's move from Santos to Barcelona is no doubt the biggest summer transfer.
Support the USA national team with an official 2013 Centennial soccer jersey from Nike. Its Official.
England will debut their new away jersey against Brazil at the Maracana Stadium on Sunday. Get in the Gear
The hoop soccer jersey is classic and cool. The USA hooped jersey is perfect for every fan. Get in the Gear.
The adidas Nitrocharge is the most talked about new cleat in years. It was released on May 15 and will take your pitch by storm.
Jamaica is in need of a win against the U.S. Get the jersey of the Reggae Boyz.
The USA will wear their blue away jersey against Jamaica in their World Cup qualifier on Friday night.
Manchester City will try and win back the Premier League title with this new soccer jersey from Nike!
Barcelona will wear this new home soccer jersey next season. They also have a new away jersey. Get them both.