Composite part of hemA from R.capsulatus/hemB/hemC/hemD + T7 promoter Digest pBca9145-I716105 (EcoR1/BamHI, 6103+1027, L) Sub into pBca9145-I716172 (EcoR1/Bg1II, 6103+1027, L) Product is pBca9145-I716174