Sialic acid binding Ig like lectin 20, pseudogene (SIGLEC20P)

Sialic acid binding Ig like lectin 20, pseudogene (SIGLEC20P), is a **pseudogene** belonging to the Siglec (Sialic acid-binding immunoglobulin-like lectin) family, which normally encodes cell surface proteins involved in immune cell signaling and recognition of sialylated glycan structures[3][4][5]. However, SIGLEC20P lacks protein-coding capacity and does not produce a functional receptor; thus it does not participate in signal transduction, disease mechanisms, or drug interactions typical of active Siglecs. As a pseudogene, it is not considered a therapeutic target, and functional information, biomarker utility, and safety concerns do not apply[2][7][8]. Alternative names include SIGLECP1 and SIGLECP4. There is something inherently "incorrect" about treating SIGLEC20P as a genuine therapeutic target, since pseudogenes by definition generally lack biological function and do not encode active protein products[6]. Thus, SIGLEC20P is not a receptor, enzyme, transporter, or other druggable entity, and efforts to develop therapies targeting it would be scientifically inappropriate.

Other names

SIGLECP1SIGLECP4SIGLECP4sia[2][8]