ERD4 — Brassica juncea

Summary

BJUB02G48780S (symbol ERD4, preferred name BjOSCA1.4) on Indian mustard chromosome B02 encodes a calcium-activated cation channel, as indicated by its annotated molecular function. The protein contains multiple conserved domains including CSC1/OSCA1-like, JmjC, and Znf_RING domains, and is localised to the chloroplast membrane, plasmalemma, and extracellular space. This gene is associated with seed germination and response to thirst, and has been linked to leaf number and drought tolerance. Related genes in other species are linked to root morphology traits, though this has not been established in Indian mustard.