phycocyanobilin-L-cysteinyl(155)-[C-phycocyanin beta-subunit] => apo-L-cysteinyl(155)-[C-phycocyanin beta-subunit] + (2R,3E)-phycocyanobilin
phycocyanobilin-l-cysteinyl(155)-[c-phycocyanin beta-subunit] => apo-l-cysteinyl(155)-[c-phycocyanin beta-subunit] + (2r,3e)-phycocyanobilin
phycocyanobilin-L-cysteinyl(155)-[C-phycocyanin beta-subunit] => apo-L-cysteinyl(155)-[C-phycocyanin beta-subunit] + (2R,3E)-phycocyanobilin
phycocyanobilin-l-cysteinyl(155)-[c-phycocyanin beta-subunit] => apo-l-cysteinyl(155)-[c-phycocyanin beta-subunit] + (2r,3e)-phycocyanobilin