TABLE 2.

3C interactions among all 10 nucleus-encoded COX subunit genes

A plus sign indicates positive cross-linked product obtained by PCR between two interacting COX genes.

Gene	COX4i1	COX5a	COX5b	COX6a1	COX6b	COX6c	COX7a2	COX7b	COX7c	COX8a
COX4i1		+	+	+	+	+	+	+	+	+
COX5a	+			+			+		+	+
COX5b	+				+	+		+		+
COX6a1	+	+					+			+
COX6b	+		+			+			+	+
COX6c	+		+	+	+			+		+
COX7a2	+	+		+				+	+	+
COX7b	+		+			+	+		+	+
COX7c	+	+			+		+	+		+
COX8a	+	+	+	+	+	+	+	+	+