#pdbid|chain|is S/K-not|(slip)knot types;
4j3c;A;K;+3.1
1nxz;A;K;+3.1
1v6z;A;K;+3.1
1vhk;A;K;+3.1
1vhy;A;K;+3.1
2cx8;A;K;+3.1
2egv;A;K;+3.1
2egw;A;K;+3.1
2z0y;A;K;+3.1
3kw2;A;K;+3.1
4e8b;A;K;+3.1