Interleukin-12 subunit beta can homodimerize with other equal subunit. This homodimer can be stabilized by mean of protein disulfide isomerase which create a disulfide binding between both subunits in the endoplasmic reticulum(PMID:11054122).
Vandenbroeck, K, Billiau, A, Alloza, I, Scott, CJ, Martens, E
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