tetraspanin-33 (transmembrane 4 superfamily member 33, proerythroblast new membrane, penumbra, hPen, Tspan-33, TSPAN33)

Function

• role in normal erythropoiesis
• role in the differentiation of erythroid progenitors

Structure

• homodimer, disulfide-linked
• belongs to the tetraspanin (TM4SF) family

Compartment

membrane

Expression

predominantly expressed in erythroblasts

More general terms

• tetraspanin (transmembrane-4-superprotein)
• glycoprotein

Database

• UniProt: http://www.uniprot.org/uniprot/Q86UF1.html