3.1.7.2 48000 - SDS-PAGE 651696 3.1.7.2 65000 - sucrose density gradient centrifugation 135701 3.1.7.2 80000 - calculation from sequence of the spotT gene 135702 3.1.7.2 130000 - dimeric enzyme form, gel filtration 135701 3.1.7.2 260000 - tetrameric enzyme form, gel filtration 135701