4oew is a 1 chain structure with sequence from Homo sapiens. This structure supersedes the now removed PDB entry 3tsf. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
PDE5A_HUMAN Plays a role in signal transduction by regulating the intracellular concentration of cyclic nucleotides. This phosphodiesterase catalyzes the specific hydrolysis of cGMP to 5'-GMP.