This entry corresponds to the C-terminal region of the phosphodiesterase domain found in acid sphingomyelin phosphodiesterases [1-5. It contains two disulphide bridges.

1: The structure and catalytic mechanism of human sphingomyelin phosphodiesterase like 3a--an acid sphingomyelinase homologue with a novel nucleotide hydrolase activity. Lim SM, Yeung K, Tresaugues L, Ling TH, Nordlund P; FEBS J. 2016;283:1107-1123. PMID:26783088

2: Structural Basis for Nucleotide Hydrolysis by the Acid Sphingomyelinase-like Phosphodiesterase SMPDL3A. Gorelik A, Illes K, Superti-Furga G, Nagar B; J Biol Chem. 2016;291:6376-6385. PMID:26792860

3: Crystal structure of mammalian acid sphingomyelinase. Gorelik A, Illes K, Heinz LX, Superti-Furga G, Nagar B; Nat Commun. 2016;7:12196. PMID:27435900

4: Human acid sphingomyelinase structures provide insight to molecular basis of Niemann-Pick disease. Zhou YF, Metcalf MC, Garman SC, Edmunds T, Qiu H, Wei RR; Nat Commun. 2016;7:13082. PMID:27725636

5: Structure of Human Acid Sphingomyelinase Reveals the Role of the Saposin Domain in Activating Substrate Hydrolysis. Xiong ZJ, Huang J, Poda G, Pomes R, Prive GG; J Mol Biol. 2016;428:3026-3042. PMID:27349982