Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 2emf_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): PHE 13.A N PHE 22.A O PHE 13.A H 2.947 2.050 CYS 15.A N LYS 20.A O CYS 15.A H 2.830 2.067 CYS 15.A SG HIS 31.A NE2 no hydrogen 3.542 N/A CYS 18.A SG HIS 31.A NE2 no hydrogen 3.342 N/A CYS 18.A SG HIS 35.A NE2 no hydrogen 3.465 N/A PHE 22.A N PHE 13.A O PHE 22.A H 2.789 1.814 LEU 28.A N ARG 24.A O LEU 28.A H 3.225 2.260 SER 29.A N LYS 25.A O SER 29.A H 3.354 2.387 MET 30.A N SER 26.A O MET 30.A H 3.334 2.512 MET 30.A N THR 27.A O MET 30.A H 3.062 2.346 HIS 31.A N THR 27.A O HIS 31.A H 3.119 2.321 GLN 32.A N LEU 28.A O GLN 32.A H 2.828 1.879 ILE 34.A N HIS 31.A O ILE 34.A H 2.740 1.796 HIS 35.A N GLN 32.A O HIS 35.A H 2.890 2.027 THR 36.A N GLN 32.A O THR 36.A H 3.343 2.446 LYS 39.A N GLU 38.A OE1 LYS 39.A H 3.399 2.597