>1BSU_1|Chain A[auth C]|DNA (5'-D(P*AP*AP*GP*AP*(5CM)P*IP*TP*CP*TP*T)-3')|
AAGACITCTT
>1BSU_2|Chain B[auth D]|DNA (5'-D(*AP*AP*AP*GP*AP*(5CM)P*IP*TP*CP*TP*T)-3')|
AAAGACITCTT
>1BSU_3|Chains C[auth A], D[auth B]|ENDONUCLEASE ECORV (3.1.21.4)|Escherichia coli (562)
SLRSDLINALYDENQKYDVCGIISAEGKIYPLGSDTKVLSTIFELFSRPIINKIAEKHGYIVEEPKQQNHYPDFTLYKPSEPNKKIAIDIKTTYTNKENEKIKFTLGGYTSFIRNNTKNIVYPFDQYIAHWIIGYVYTRVATRKSSLKTYNINELNEIPKPYKGVKVFLQDKWVIAGDLAGSGNTTNIGSIHAHYKDFVEGKGIFDSEDEFLDYWRNYERTSQLRNDKYNNISEYRNWIYRGRK