MHCXGraph.core.residue_tracking.parse_node_label¶ MHCXGraph.core.residue_tracking.parse_node_label(node: str) → tuple[str, str, int, str][source]¶ Parse “CHAIN:RES:NUM” -> (chain, resname, resseq_int, icode_str) Accepts “42”, “42A”, “-1”, “-1B”.