qp.manager.create.residue_exists¶

qp.manager.create.residue_exists(sphere_path, res_name, chain, res_id)[source]¶

Check whether a specific residue exists in a PDB file.

Parameters:

sphere_path (str) – Path to the sphere PDB file (e.g., 0.pdb).
res_name (str) – Three-letter residue name to search for.
chain (str) – Single-character chain ID.
res_id (int) – Residue sequence number.

Returns:

True if a matching residue is found, False otherwise.

Return type:

bool