ID 4.1.1.22 DE histidine decarboxylase. AN L-histidine carboxy-lyase. CA H(+) + L-histidine = CO2 + histamine. CC -!- The enzyme from animal tissues contains a pyridoxal 5'-phosphate CC cofactor. CC -!- The bacterial enzyme contains a tightly-bound pyruvoyl cofactor. DR B7GZJ8, DCHS_ACIB3 ; B7I459, DCHS_ACIB5 ; B2HVG6, DCHS_ACIBC ; DR A3M7A4, DCHS_ACIBT ; B0VBU8, DCHS_ACIBY ; Q5EA83, DCHS_BOVIN ; DR Q0TU55, DCHS_CLOP1 ; P0C2E5, DCHS_CLOPE ; Q05733, DCHS_DROME ; DR P19113, DCHS_HUMAN ; P28577, DCHS_KLEAE ; P00862, DCHS_LACS3 ; DR P04193, DCHS_LENBU ; P00863, DCHS_MICSP ; P05034, DCHS_MORMO ; DR P23738, DCHS_MOUSE ; Q1IAK7, DCHS_PSEE4 ; P95477, DCHS_PSEFL ; DR Q8L0Z4, DCHS_RAOOR ; P28578, DCHS_RAOPL ; P16453, DCHS_RAT ; DR Q98A07, DCHS_RHILO ; P54772, DCHS_SOLLC ; Q56581, DCHS_VIBA7 ; DR A7MVI6, DCHS_VIBC1 ; //