preferred_name: Loading of PCNA - Sliding Clamp Formation (Caenorhabditis elegans)
preferred_name_lc: loading of pcna - sliding clamp formation (caenorhabditis elegans)
label: Loading of PCNA - Sliding Clamp Formation (Caenorhabditis elegans)
label_lc: loading of pcna - sliding clamp formation (caenorhabditis elegans)