▁family ▁of ▁z inc - binding ▁en zym es . ▁ ▁References ▁ ▁External ▁links ▁ ▁Further ▁reading ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁ ▁▁▁ ▁Category : H uman ▁prote ins <0x0A> </s> ▁Ann em iek ▁de ▁Ha an ▁( born ▁ 1 5 ▁July ▁ 1 9 8 1 ▁in ▁Har en , ▁G ron ingen ) ▁is ▁a ▁ro wer ▁from ▁the ▁Netherlands . ▁ ▁De ▁Ha an ▁started ▁row ing ▁in ▁ 1 9 9 9 ▁and ▁made ▁her ▁international ▁debut ▁in ▁the ▁four ▁at ▁the ▁ 1 9 9 9 ▁Junior ▁World ▁Championships ▁in ▁P lov div . ▁T ogether ▁with ▁Mel ina ▁Bus , ▁An ja ▁Mou rik ▁and ▁Mir the ▁K amp ▁she ▁won ▁the ▁bronze ▁medal . ▁The ▁following ▁years ▁De ▁Ha an ▁was ▁not ▁that ▁successful ▁in ▁row ing ▁anymore , ▁but ▁she ▁returned ▁for ▁the ▁ 2 0 0 2 ▁Under - 2 3 ▁World ▁Championships ▁in ▁Gen oa ▁in ▁the ▁double ▁sc ull s ▁with ▁Sarah ▁Sieg ela ar , ▁here ▁they ▁became ▁fifth . ▁A ▁year ▁later ▁in ▁Bel grade ▁she ▁formed ▁a ▁f ours ▁boat ▁with ▁K amp , ▁Susan ▁van ▁Ku ij eren ▁and ▁M ette ▁Be ug els d ijk ▁to ▁claim ▁another ▁fifth ▁place ▁at ▁the ▁World ▁Championships . ▁As ▁of ▁ 2 0 0 4 ▁she ▁started ▁particip ating ▁in ▁the ▁Row ing ▁World ▁Cup ▁circuit ▁on ▁senior ▁level ▁and ▁she ▁row ed ▁to ▁a ▁fourth ▁position ▁in ▁the ▁f ours ▁with ▁Mar lies ▁Sm ul ders , ▁Fr ou k je