MUCONOLACTONE ISOMERASE IS A DECAMER WITH A CLOSED 52 POINT NONCRYSTALLOGRAPHIC SYMMETRY. THE FIVE-FOLD AXIS IS ALMOST ALONG THE A-AXIS. THE TWO-FOLD AXES ARE IN A PLANE PERPENDICULAR TO THE FIVE-FOLD DIRECTION. THE MOLECULAR CENTER IS AT (16.250, 0.692, 19.308). THE TWO-FOLD SYMMETRY OPERATOR IS PRESENTED ON *MTRIX 1* RECORDS BELOW AND THE FIVE-FOLD SYMMETRY OPERATOR IS PRESENTED ON *MTRIX 2* RECORDS BELOW. THE FOLLOWING PROCEDURE CAN BE USED TO GENERATE COORDINATES OF A DECAMER FROM THE MONOMER COORDINATES PRESENTED IN THIS ENTRY. 1. APPLY THE TRANSFORMATION PRESENTED ON THE *MTRIX 1* RECORDS BELOW TO THE MONOMER IN THIS ENTRY TO GENERATE A TWO-FOLD RELATED MONOMER. 2. APPLY THE TRANSFORMATION PRESENTED ON THE *MTRIX 2* RECORDS BELOW TO THE DIMER GENERATED IN STEP 1 TO GENERATE A FIVE-FOLD RELATED DIMER. 3. PERFORM STEP 2 THREE MORE TIMES, EACH TIME APPLYING THE TRANSFORMATION TO THE NEWLY-GENERATED DIMER. THIS WILL YIELD A TOTAL OF FIVE DIMERS (TEN MONOMERS).