Spondyloarthropathy 2, also known as spondyloarthropathy, susceptibility to, 2, is related to spondyloarthropathy. An important gene associated with Spondyloarthropathy 2 is SPDA2 (Spondyloarthropathy, Susceptibility To, 2). Related phenotypes are abnormality of metabolism/homeostasis and abnormal joint morphology