Recognition of peptide ligands by signalling protein from porcine mammary gland (SPP-40): Crystal structure of the complex of SPP-40 with a peptide Trp-Pro-Trp at 2.45A resolution
1zb5 is a 3 chain structure with sequence from Sus scrofa. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.