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Agrisera
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Store lyophilized/reconstituted at -20°C; once reconstituted make aliquots to avoid repeated freeze-thaw cycles. Please remember to spin the tubes briefly prior to opening them to avoid any losses that might occur from material adhering to the cap or sides of the tube.
For reconstitution add 200 µL of sterile water.
Specific Species Reactivity: Thermosynechococcus elongatus
HemC encodes porphobilinogen deaminase (hydroxymethylbilane synthase), a soluble, cytosolic enzyme of the heme biosynthetic pathway that operates on tetrapyrrole intermediates rather than membranes or organelles. In bacteria, hemC is typically a single-copy locus within the core heme biosynthesis gene set and produces a monomeric enzyme of roughly 30-40 kDa that adopts an alpha/beta fold with a deep, positively charged active-site cleft. The enzyme contains an essential, covalently bound dipyrromethane cofactor attached to a conserved cysteine residue; this cofactor serves as a priming "handle" for stepwise chain elongation. Functionally, HemC catalyzes the sequential condensation (tetrapolymerization) of four porphobilinogen molecules to form the linear tetrapyrrole hydroxymethylbilane (also termed preuroporphyrinogen), providing the immediate substrate for uroporphyrinogen III formation in the next step of the pathway and thereby enabling downstream synthesis of heme and other biologically important tetrapyrroles.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: hydroxymethylbilane synthase; porphobilinogen ammonia-lyase (polymerizing); porphobilinogen deaminase; pre-uroporphyrinogen synthase; uroporphyrinogen I synthase; uroporphyrinogen I synthetase