Finding intermodel H-bonds Finding intramodel H-bonds Constraints relaxed by 0.4 angstroms and 20 degrees Models used: #0 1b4o_A.cif H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist): ALA 1.A N GLU 53.A OE2 ALA 1.A H2 3.332 2.337 LYS 4.A N THR 2.A O LYS 4.A H 3.082 2.363 LYS 6.A NZ LYS 12.A O LYS 6.A HZ2 3.037 2.339 GLU 11.A OE2 GLU 11.A O GLU 11.A HE2 3.269 2.512 LYS 20.A N THR 32.A O LYS 20.A H 3.227 2.306 ALA 31.A N GLY 43.A O ALA 31.A H 3.362 2.367 GLY 41.A N TYR 33.A O GLY 41.A H 3.615 2.621 SER 46.A N TYR 7.A OH SER 46.A H 3.391 2.504 GLN 56.A N LYS 52.A O GLN 56.A H 3.521 2.504 MET 57.A N GLU 53.A O MET 57.A H 3.314 2.427