phosphatidylglycerol dehydrogenase (NAD+) activity
Catalysis of the reaction: a 1,2-diacyl-sn-glycero-3-phospho-(1'-sn-glycerol) + NAD+ = a 1,2-diacyl-sn-glycero-3-phospho-(1'-sn-glycerone) + NADH + H+.
GO:0016616
oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
is_a