Iron in plasma is bound to the transport protein transferrin
Kindwall-Keller T L
(2010) T cell Ig and mucin domain proteins and immunity
with C-terminal 8*His GPVPPSTALRELIEELVNITQNQKAPLCNGSMVWSINLTAGMYCAALESLINVSGCSAIEKTQRMLSGFCPHKVSAGQFSSLHVRDTKIEVAQFVKDLLLHLKKLFREGRFNGGGSHHHHHHHH
Calbindin contains 4 active calcium-binding domains
CD68/SR-D1 Fc Chimera Protein, Human Residue Detection Kit Iron in plasma is boundProduct Specification Species Human Synonyms CD68, CD68 antigen, CD68 molecule, DKFZp686M18236, gp110, LAMP4, macrophage antigen CD68, Macrosialin, SCARD1, scavenger receptor class D, member 1, SRD1T, SR D1 Accession P34810 Amino Acid Sequence Asn22 Ser319, with C terminal Human IgG Fc