Vernon Philander struck 54 not out in an unbroken partnership of 74 with Chris Morris late in the day to rescue South Africa.
Earlier, Stuart Broad (3-47) and Ben Stokes each struck twice to reduce the visitors from 179-2 to 235-6 after Hashim Amla (78) and Quinton de Kock (68) put on 113.
South Africa 309 for 6 (Philander 54*, Morris 23*) v England.
Matches Tagged in ClipDex2017 ENG v RSA 2nd Test
Series Tagged in ClipDex2017 ENG v RSA Test serie ...
Players Tagged in ClipDexBroad, Stuart C J Wood, Mark A Kuhn, Heino G Philander, Vernon D de Kock, Quinton Morris, Christopher H Amla, Hashim M Stokes, Benjamin A
Grounds Tagged in ClipDexTrent Bridge
Categories Tagged in ClipDexTest Matches