protein1	protein2	cost
9606.ENSP00000497102	9606.ENSP00000226730	555.5
9606.ENSP00000497102	9606.ENSP00000319476	500.5
9606.ENSP00000229708	9606.ENSP00000356308	533.5
9606.ENSP00000229708	9606.ENSP00000356320	587.5
9606.ENSP00000364076	9606.ENSP00000396330	556.5
9606.ENSP00000302886	9606.ENSP00000267101	502.5
9606.ENSP00000302886	9606.ENSP00000348849	576.5
9606.ENSP00000356320	9606.ENSP00000356308	581.5
9606.ENSP00000449026	9606.ENSP00000348849	529.5