?
heme uptake protein IsdC Isd proteins are iron-regulated surface proteins found in Bacillus, Staphylococcus and Listeria species and are responsible for heme scavenging from hemoproteins. The IsdC protein consists of an N-terminal hydrophobic signal sequence, a central NEAT (NEAr Transporter, pfam05031) domain, which confers the ability to bind heme, and a C-terminal SrtB processing signal which targets the protein to the cell wall. IsdC is believed to make a direct contact with, and transfer heme to, the heme-binding component (IsdE) of an ABC transporter in the cytoplasmic membrane, and to receive heme from other NEAT-containing heme-binding proteins also localized in the cell wall. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",