, ▁Cal if . ▁He ▁is ▁single ▁and ▁lives ▁in ▁New ▁York ▁City . ▁ ▁Books ▁written ▁Break out ▁Nations ▁( 2 0 1 2 ) ▁The ▁R ise ▁and ▁Fall ▁of ▁Nations : ▁Forces ▁of ▁Change ▁in ▁a ▁Post - C ris is ▁World ▁( 2 0 1 6 ) ▁Dem ocracy ▁on ▁the ▁Road ▁( 2 0 1 9 ) ▁ ▁See ▁also ▁ ▁As set ▁management ▁ ▁Indians ▁in ▁the ▁New ▁York ▁City ▁metropol itan ▁region ▁ ▁In vest ment ▁bank ing ▁ ▁Man cur ▁Ol son ▁ ▁References ▁ ▁Category : Year ▁of ▁birth ▁missing ▁( l iving ▁people ) ▁Category : L iving ▁people ▁Category : Ind ian ▁financial ▁anal yst s ▁Category : Pe ople ▁from ▁Ja ip ur ▁district ▁Category : M organ ▁Stanley ▁people <0x0A> </s> ▁Top ois omer ase ▁IV ▁is ▁one ▁of ▁two ▁Type ▁II ▁to pois omer ases ▁in ▁b acter ia , ▁the ▁other ▁being ▁DNA ▁g yr ase . ▁Like ▁g yr ase , ▁to pois omer ase ▁IV ▁is ▁able ▁to ▁pass ▁one ▁double - str and ▁of ▁DNA ▁through ▁another ▁double - str and ▁of ▁DNA , ▁thereby ▁changing ▁the ▁linking ▁number ▁of ▁DNA ▁by ▁two ▁in ▁each ▁en zym atic ▁step . ▁Both ▁share ▁a ▁heter o - 4 - mer ▁structure ▁formed ▁by ▁a ▁symmetric ▁hom od imer ▁of ▁A / B ▁heter od im ers , ▁usually ▁named ▁Par C ▁and ▁Par E . ▁ ▁Function s ▁Top ois omer ase ▁IV ▁has ▁two ▁functions