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RuBisCO chaperone RbcX

UniProtKB accession:  Q8DIS6
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Go to UniProtKB:  Q8DIS6
UniProtKB description:  An RbcL-specific chaperone. Required for assembly of the RbcL8 core (Probable) (PubMed:19081849). The central cleft of the RbcX homodimer (RbcX2) binds the C-terminus of a RbcL monomer, stabilizing the C-terminus and probably preventing its reassociation with chaperonin GroEL-ES. At the same time the peripheral region of RbcX2 binds a second RbcL monomer, bridging the RbcL homodimers in the correct orientation. The RbcX2(2)-bound RbcL dimers then assemble into the RbcL8 core (RbcL8-(RbcX2)8). RbcS binding triggers the release of RbcX2 (By similarity).
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