▁used ▁in ▁the ▁study ▁of ▁AR T 4 ▁function . ▁A ▁conditional ▁knock out ▁mouse ▁line ▁called ▁Art 4 tm 1 a ( K O MP ) W t si ▁was ▁generated ▁at ▁the ▁Well come ▁Trust ▁S anger ▁Institute . ▁Male ▁and ▁female ▁animals ▁under w ent ▁a ▁standard ized ▁phen ot yp ic ▁screen ▁to ▁determine ▁the ▁effects ▁of ▁delet ion . ▁Add itional ▁screens ▁performed : ▁ ▁- ▁In - depth ▁imm un ological ▁phen ot yp ing ▁- ▁in - depth ▁b one ▁and ▁cart il age ▁phen ot yp ing ▁ ▁References ▁ ▁Further ▁reading ▁ ▁External ▁links ▁▁▁▁▁▁▁▁ ▁D omb rock ▁blood ▁group ▁ant igen ▁NC BI ▁Blood ▁Group ▁Ant igen ▁Gene ▁Mut ation ▁Database ▁ ▁Category : Cl ust ers ▁of ▁different iation ▁ ▁Category : B lo od ▁ant igen ▁systems <0x0A> </s> ▁E lections ▁to ▁Tower ▁Ham lets ▁London ▁Bor ough ▁Council ▁were ▁held ▁on ▁ 9 ▁May ▁ 1 9 6 8 . ▁ ▁The ▁whole ▁council ▁was ▁up ▁for ▁election . ▁Turn out ▁was ▁ 1 4 . 3 %. ▁ ▁Until ▁ 1 9 7 8 , ▁each ▁London ▁council ▁had ▁al der men , ▁in ▁the ▁ratio ▁of ▁one ▁al der men ▁to ▁six ▁coun c ill ors . ▁Tower ▁Ham lets ▁had ▁ten ▁al der men . ▁Following ▁the ▁elections , ▁Tower ▁Ham lets ▁elected ▁five ▁al der men , ▁who ▁served ▁until ▁ 1 9 7 4 . ▁The ▁remaining ▁five ▁al der men ▁had ▁been ▁elected ▁in