label: 2 a 2,3-di-O-phytanyl-sn-glycerophospholipid + 2 AH2 + 4 S-adenosyl-L-methionine <=> a glycerol dibiphytanyl glycerol tetraether phospholipid + 4 5'-deoxyadenosine + 4 L-methionine + 2 A + 4 H(+)
label_lc: 2 a 2,3-di-o-phytanyl-sn-glycerophospholipid + 2 ah2 + 4 s-adenosyl-l-methionine <=> a glycerol dibiphytanyl glycerol tetraether phospholipid + 4 5'-deoxyadenosine + 4 l-methionine + 2 a + 4 h(+)