Assertion: chloroplast's system | /r/AtLocation | addition
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Source sentences:
text: Interestingly, components related to the bacterial Sec (secretion) system were recently identified in the plastid envelope, which implies that a cpSEC2 (CHLOROPLAST SEC2) system exists in addition to the well characterized thylakoidal cpSEC1 system (see below)85,86 (Fig. 4).