QueryNode {rPDBapi} | R Documentation |
Constructs a query node, which can be a terminal node or a grouped node, for complex RCSB PDB searches. This function is used to structure queries for the search system.
QueryNode(search_operator, logical_operator = NULL)
search_operator |
A search operator or group object. |
logical_operator |
A string specifying the logical operator, default is NULL. Used only if the search_operator is a group. |
A list representing the query node.