ATX1; metal ion binding. similar to CCH (COPPER CHAPERONE) [Arabidopsis thaliana] (TAIR:AT3G56240.1); similar to copper chaperone [Populus alba x Populus tremula var. glandulosa] (GB:AAT12488.1); contains InterPro domain Heavy metal transport/detoxification protein; (InterPro:IPR006121)