ERROR - In block "8C51-validation-full", mandatory item "_struct_mon_prot_cis.label_alt_id" has invalid value "?" in row: "_struct_mon_prot_cis.pdbx_id" == "1"
ERROR - In block "8C51-validation-full", mandatory item "_struct_mon_prot_cis.label_alt_id" has invalid value "?" in row: "_struct_mon_prot_cis.pdbx_id" == "2"
ERROR - In block "8C51-validation-full", mandatory item "_struct_mon_prot_cis.label_alt_id" has invalid value "?" in row: "_struct_mon_prot_cis.pdbx_id" == "3"
ERROR - In block "8C51-validation-full", mandatory item "_struct_mon_prot_cis.label_alt_id" has invalid value "?" in row: "_struct_mon_prot_cis.pdbx_id" == "4"