#pdbid|chain|deposition date|is S/K-not|(slip)knot types; 4gtx|A|2014-08-19|S|+3.1; 4gty|A|2014-08-19|S|+3.1; 4gtz|A|2014-08-19|S|+3.1; 4b56|A|2014-07-31|S|+3.1; 4gtw|A|2014-07-31|S|+3.1;