... binding for M2+(M ¼ Zn, Cd) initially to the a domain, thereby lead-ing to formation of the M4a cluster prior to formation of the M3b cluster, demonstrating that the individualbinding ... the meta-llation mechanisms of the individual domains, in the hope, initially, of simplifying the interpretation of the metallation details of the two-domain protein. The results presented here ... of the a domain of rhMT-1a, showing the connectivities of the four divalent metal cations to the 11 cystei-nyl sulfurs. The numbering of the cysteines(1–11 starting from the N-terminus) and the four...