Antibodies	Source (catalog number)	Research resource identifiers (RRID)
ATF4 (D4B8)	Cell Signaling (#11815)	RRID:AB_2616025
Chk1	Cell Signaling (#2360)	RRID:AB_2080320
eIF2alpha	Cell Signaling (#9722)	RRID:AB_2230924
Flag	Sigma (F1804)	RRID:AB_262044
gamma H2AX, γH2AX (S139)	Cell Signaling (#2577)	RRID:AB_2118010
H3	Abcam (ab1791)	RRID:AB_302613
H3K56ac	Cell Signaling (#4243)	RRID:AB_10548193
H4K5ac (EP1000Y)	Abcam (ab51997)	RRID:AB_2264109
H4K12ac (EPR17906)	Abcam (ab177793)	RRID:AB_2651187
HSC70	Santa Cruz (sc-7298)	RRID:AB_627761
mCherry	Abcam (ab167453)	RRID:AB_2571870
phospho-Chk1 (S317)	Cell Signaling (#2344)	RRID:AB_331488
phospho-eIF2alpha (S51)	Cell Signaling (#9721)	RRID:AB_330951
RNaseH1	Abcam (ab56560)	RRID:AB_945244
SLBP (EPR12673)	Abcam (ab181972)	N/A