>5BS1_1|Chains A, B, C, D|CrRbcX-IIa|Chlamydomonas reinhardtii (3055) MHIPADSFSGASPERKAAVALRSLFTFVAARVVLEQLQGPGGPETTYNQQAYLDLMDFLGTPMKGDGGDEWMAAVMRKNHALALRLMEVREAYLDEFEWGKTMEMASRETREANTRLMRAAAM