Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2knx_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): PHE 12.A N VAL 21.A O PHE 12.A H 2.755 1.778 CYS 14.A N VAL 19.A O CYS 14.A H 2.745 1.797 CYS 14.A SG PRO 15.A O no hydrogen 3.266 N/A TRP 25.A N PRO 22.A O TRP 25.A H 2.588 1.742 LEU 26.A N PRO 22.A O LEU 26.A H 3.033 2.259 LEU 26.A N GLU 23.A O LEU 26.A H 2.991 2.294 CYS 27.A SG ASP 38.A O no hydrogen 2.918 N/A GLY 29.A N GLU 39.A OE2 GLY 29.A H 2.589 1.860 ASP 30.A N ASP 28.A OD1 ASP 30.A H 3.054 2.182 GLY 36.A N CYS 33.A O GLY 36.A H 2.778 1.834 GLU 39.A N GLY 36.A O GLU 39.A H 2.880 2.134 SER 40.A N ALA 37.A O SER 40.A H 2.705 1.788 ALA 43.A N SER 40.A O ALA 43.A H 3.102 2.167 GLY 44.A N ILE 41.A O GLY 44.A H 2.789 2.077