#pdbid|chain|deposition date|is S/K-not|(slip)knot types; 2b5u|A|2014-07-31|S|+3.1 +3.1 +3.1 +3.1; 2axc|A|2014-07-31|S|+3.1 +3.1 +3.1 +3.1; 1jch|A|2014-07-31|S|+3.1 +3.1 +3.1 +3.1;