phytyl diphosphate + chlorophyllide a + H(+) <=> chlorophyll a + diphosphate
phytyl diphosphate + chlorophyllide a + h(+) <=> chlorophyll a + diphosphate
phytyl diphosphate + chlorophyllide a + H(+) <=> chlorophyll a + diphosphate
phytyl diphosphate + chlorophyllide a + h(+) <=> chlorophyll a + diphosphate