#pdbid|chain|is S/K-not|(slip)knot types;
3e8d;A;K;4.1 4.1
2xh5;A;K;4.1 4.1
2x39;A;K;4.1 4.1
2uw9;A;K;4.1 4.1
2jdr;A;K;4.1 4.1