Figure 4

Lipocalin models. A, Human LCN6. B, Mouse Mup1 derived from the Protein Data Bank file 1MUP.pdb. Alpha helices are green, beta strands are blue with white letter designations (A-I), unstructured loops are red. The conserved lipocalin signature amino acids are indicated in red. The disulfide bond in MUP1 is indicated as S-S in yellow in the upper left region of the molecule.