#pdbid;chain;is S/K-not;(slip)knot types; 12ca;A;S;+3.1 2hfw;A;S;+3.1 1cve;A;S;+3.1 1cvh;A;S;+3.1 3da2;A;S;+3.1 1v9e;A;S;+3.1