1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Wu, Z.R. Ebrahimian, S. Zawrotny, M.E. Thornburg, L.D. Perez-Alvarado, G.C. Brothers, P. Pollack, R.M. Summers, M.F. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Science SCIEAS 0038 0036-8075 276 415 418 10.1126/science.276.5311.415 9103200 Solution structure of 3-oxo-delta5-steroid isomerase. 1997 10.2210/pdb1isk/pdb pdb_00001isk 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 13412.102 3-OXO-DELTA5-STEROID ISOMERASE 5.3.3.1 2 man polymer KSI, 3-KETOSTEROID ISOMERASE no no MNTPEHMTAVVQRYVAALNAGDLDGIVALFADDATVEDPVGSEPRSGTAAIREFYANSLKLPLAVELTQEVRAVANEAAF AFTVSFEYQGRKTVVAPIDHFRFNGAGKVVSMRALFGEKNIHAGA MNTPEHMTAVVQRYVAALNAGDLDGIVALFADDATVEDPVGSEPRSGTAAIREFYANSLKLPLAVELTQEVRAVANEAAF AFTVSFEYQGRKTVVAPIDHFRFNGAGKVVSMRALFGEKNIHAGA A,B polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n Comamonas Escherichia sample 11996 285 Comamonas testosteroni 562 Escherichia coli NCM533 PKC2 database_2 pdbx_database_status pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Database references Derived calculations Other 1 0 1997-11-12 1 1 2008-03-24 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site Y BNL 1997-03-12 REL REL 20 7.0 300 K WUTHRICH refinement DIANA MET 1 n 1 MET 1 A ASN 2 n 2 ASN 2 A THR 3 n 3 THR 3 A PRO 4 n 4 PRO 4 A GLU 5 n 5 GLU 5 A HIS 6 n 6 HIS 6 A MET 7 n 7 MET 7 A THR 8 n 8 THR 8 A ALA 9 n 9 ALA 9 A VAL 10 n 10 VAL 10 A VAL 11 n 11 VAL 11 A GLN 12 n 12 GLN 12 A ARG 13 n 13 ARG 13 A TYR 14 n 14 TYR 14 A VAL 15 n 15 VAL 15 A ALA 16 n 16 ALA 16 A ALA 17 n 17 ALA 17 A LEU 18 n 18 LEU 18 A ASN 19 n 19 ASN 19 A ALA 20 n 20 ALA 20 A GLY 21 n 21 GLY 21 A ASP 22 n 22 ASP 22 A LEU 23 n 23 LEU 23 A ASP 24 n 24 ASP 24 A GLY 25 n 25 GLY 25 A ILE 26 n 26 ILE 26 A VAL 27 n 27 VAL 27 A ALA 28 n 28 ALA 28 A LEU 29 n 29 LEU 29 A PHE 30 n 30 PHE 30 A ALA 31 n 31 ALA 31 A ASP 32 n 32 ASP 32 A ASP 33 n 33 ASP 33 A ALA 34 n 34 ALA 34 A THR 35 n 35 THR 35 A VAL 36 n 36 VAL 36 A GLU 37 n 37 GLU 37 A ASP 38 n 38 ASP 38 A PRO 39 n 39 PRO 39 A VAL 40 n 40 VAL 40 A GLY 41 n 41 GLY 41 A SER 42 n 42 SER 42 A GLU 43 n 43 GLU 43 A PRO 44 n 44 PRO 44 A ARG 45 n 45 ARG 45 A SER 46 n 46 SER 46 A GLY 47 n 47 GLY 47 A THR 48 n 48 THR 48 A ALA 49 n 49 ALA 49 A ALA 50 n 50 ALA 50 A ILE 51 n 51 ILE 51 A ARG 52 n 52 ARG 52 A GLU 53 n 53 GLU 53 A PHE 54 n 54 PHE 54 A TYR 55 n 55 TYR 55 A ALA 56 n 56 ALA 56 A ASN 57 n 57 ASN 57 A SER 58 n 58 SER 58 A LEU 59 n 59 LEU 59 A LYS 60 n 60 LYS 60 A LEU 61 n 61 LEU 61 A PRO 62 n 62 PRO 62 A LEU 63 n 63 LEU 63 A ALA 64 n 64 ALA 64 A VAL 65 n 65 VAL 65 A GLU 66 n 66 GLU 66 A LEU 67 n 67 LEU 67 A THR 68 n 68 THR 68 A GLN 69 n 69 GLN 69 A GLU 70 n 70 GLU 70 A VAL 71 n 71 VAL 71 A ARG 72 n 72 ARG 72 A ALA 73 n 73 ALA 73 A VAL 74 n 74 VAL 74 A ALA 75 n 75 ALA 75 A ASN 76 n 76 ASN 76 A GLU 77 n 77 GLU 77 A ALA 78 n 78 ALA 78 A ALA 79 n 79 ALA 79 A PHE 80 n 80 PHE 80 A ALA 81 n 81 ALA 81 A PHE 82 n 82 PHE 82 A THR 83 n 83 THR 83 A VAL 84 n 84 VAL 84 A SER 85 n 85 SER 85 A PHE 86 n 86 PHE 86 A GLU 87 n 87 GLU 87 A TYR 88 n 88 TYR 88 A GLN 89 n 89 GLN 89 A GLY 90 n 90 GLY 90 A ARG 91 n 91 ARG 91 A LYS 92 n 92 LYS 92 A THR 93 n 93 THR 93 A VAL 94 n 94 VAL 94 A VAL 95 n 95 VAL 95 A ALA 96 n 96 ALA 96 A PRO 97 n 97 PRO 97 A ILE 98 n 98 ILE 98 A ASP 99 n 99 ASP 99 A HIS 100 n 100 HIS 100 A PHE 101 n 101 PHE 101 A ARG 102 n 102 ARG 102 A PHE 103 n 103 PHE 103 A ASN 104 n 104 ASN 104 A GLY 105 n 105 GLY 105 A ALA 106 n 106 ALA 106 A GLY 107 n 107 GLY 107 A LYS 108 n 108 LYS 108 A VAL 109 n 109 VAL 109 A VAL 110 n 110 VAL 110 A SER 111 n 111 SER 111 A MET 112 n 112 MET 112 A ARG 113 n 113 ARG 113 A ALA 114 n 114 ALA 114 A LEU 115 n 115 LEU 115 A PHE 116 n 116 PHE 116 A GLY 117 n 117 GLY 117 A GLU 118 n 118 GLU 118 A LYS 119 n 119 LYS 119 A ASN 120 n 120 ASN 120 A ILE 121 n 121 ILE 121 A HIS 122 n 122 HIS 122 A ALA 123 n 123 ALA 123 A GLY 124 n 124 GLY 124 A ALA 125 n 125 ALA 125 A MET 1 n 1 MET 1 B ASN 2 n 2 ASN 2 B THR 3 n 3 THR 3 B PRO 4 n 4 PRO 4 B GLU 5 n 5 GLU 5 B HIS 6 n 6 HIS 6 B MET 7 n 7 MET 7 B THR 8 n 8 THR 8 B ALA 9 n 9 ALA 9 B VAL 10 n 10 VAL 10 B VAL 11 n 11 VAL 11 B GLN 12 n 12 GLN 12 B ARG 13 n 13 ARG 13 B TYR 14 n 14 TYR 14 B VAL 15 n 15 VAL 15 B ALA 16 n 16 ALA 16 B ALA 17 n 17 ALA 17 B LEU 18 n 18 LEU 18 B ASN 19 n 19 ASN 19 B ALA 20 n 20 ALA 20 B GLY 21 n 21 GLY 21 B ASP 22 n 22 ASP 22 B LEU 23 n 23 LEU 23 B ASP 24 n 24 ASP 24 B GLY 25 n 25 GLY 25 B ILE 26 n 26 ILE 26 B VAL 27 n 27 VAL 27 B ALA 28 n 28 ALA 28 B LEU 29 n 29 LEU 29 B PHE 30 n 30 PHE 30 B ALA 31 n 31 ALA 31 B ASP 32 n 32 ASP 32 B ASP 33 n 33 ASP 33 B ALA 34 n 34 ALA 34 B THR 35 n 35 THR 35 B VAL 36 n 36 VAL 36 B GLU 37 n 37 GLU 37 B ASP 38 n 38 ASP 38 B PRO 39 n 39 PRO 39 B VAL 40 n 40 VAL 40 B GLY 41 n 41 GLY 41 B SER 42 n 42 SER 42 B GLU 43 n 43 GLU 43 B PRO 44 n 44 PRO 44 B ARG 45 n 45 ARG 45 B SER 46 n 46 SER 46 B GLY 47 n 47 GLY 47 B THR 48 n 48 THR 48 B ALA 49 n 49 ALA 49 B ALA 50 n 50 ALA 50 B ILE 51 n 51 ILE 51 B ARG 52 n 52 ARG 52 B GLU 53 n 53 GLU 53 B PHE 54 n 54 PHE 54 B TYR 55 n 55 TYR 55 B ALA 56 n 56 ALA 56 B ASN 57 n 57 ASN 57 B SER 58 n 58 SER 58 B LEU 59 n 59 LEU 59 B LYS 60 n 60 LYS 60 B LEU 61 n 61 LEU 61 B PRO 62 n 62 PRO 62 B LEU 63 n 63 LEU 63 B ALA 64 n 64 ALA 64 B VAL 65 n 65 VAL 65 B GLU 66 n 66 GLU 66 B LEU 67 n 67 LEU 67 B THR 68 n 68 THR 68 B GLN 69 n 69 GLN 69 B GLU 70 n 70 GLU 70 B VAL 71 n 71 VAL 71 B ARG 72 n 72 ARG 72 B ALA 73 n 73 ALA 73 B VAL 74 n 74 VAL 74 B ALA 75 n 75 ALA 75 B ASN 76 n 76 ASN 76 B GLU 77 n 77 GLU 77 B ALA 78 n 78 ALA 78 B ALA 79 n 79 ALA 79 B PHE 80 n 80 PHE 80 B ALA 81 n 81 ALA 81 B PHE 82 n 82 PHE 82 B THR 83 n 83 THR 83 B VAL 84 n 84 VAL 84 B SER 85 n 85 SER 85 B PHE 86 n 86 PHE 86 B GLU 87 n 87 GLU 87 B TYR 88 n 88 TYR 88 B GLN 89 n 89 GLN 89 B GLY 90 n 90 GLY 90 B ARG 91 n 91 ARG 91 B LYS 92 n 92 LYS 92 B THR 93 n 93 THR 93 B VAL 94 n 94 VAL 94 B VAL 95 n 95 VAL 95 B ALA 96 n 96 ALA 96 B PRO 97 n 97 PRO 97 B ILE 98 n 98 ILE 98 B ASP 99 n 99 ASP 99 B HIS 100 n 100 HIS 100 B PHE 101 n 101 PHE 101 B ARG 102 n 102 ARG 102 B PHE 103 n 103 PHE 103 B ASN 104 n 104 ASN 104 B GLY 105 n 105 GLY 105 B ALA 106 n 106 ALA 106 B GLY 107 n 107 GLY 107 B LYS 108 n 108 LYS 108 B VAL 109 n 109 VAL 109 B VAL 110 n 110 VAL 110 B SER 111 n 111 SER 111 B MET 112 n 112 MET 112 B ARG 113 n 113 ARG 113 B ALA 114 n 114 ALA 114 B LEU 115 n 115 LEU 115 B PHE 116 n 116 PHE 116 B GLY 117 n 117 GLY 117 B GLU 118 n 118 GLU 118 B LYS 119 n 119 LYS 119 B ASN 120 n 120 ASN 120 B ILE 121 n 121 ILE 121 B HIS 122 n 122 HIS 122 B ALA 123 n 123 ALA 123 B GLY 124 n 124 GLY 124 B ALA 125 n 125 ALA 125 B author_defined_assembly 2 dimeric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 1 B B H O ALA VAL 31 109 1.59 2 B B O HG1 PRO THR 4 8 1.56 2 A B HH11 O ARG ALA 72 96 1.58 4 B B O HG1 PRO THR 4 8 1.51 4 B B O HG1 GLU THR 66 83 1.54 5 B B O H ASN GLY 104 107 1.52 5 A A O HG1 PRO THR 4 8 1.59 6 A B HH21 O ARG LEU 72 115 1.51 6 A A O HG1 PRO THR 4 8 1.53 7 B B O HG1 PRO THR 4 8 1.56 7 A A O HG1 PRO THR 4 8 1.57 8 A A OH HH TYR TYR 14 55 1.59 9 B B O H ASN GLY 104 107 1.48 9 A A O HG1 PRO THR 4 8 1.53 10 B B H O ALA VAL 31 109 1.50 11 B B O HG1 PRO THR 4 8 1.48 11 A A O HG1 PRO THR 4 8 1.48 11 B B H O ALA VAL 31 109 1.55 11 B B O HG1 GLU THR 66 83 1.56 12 B B O HZ1 GLY LYS 107 108 1.58 13 B B H O ALA VAL 31 109 1.51 14 A A O HD22 MET ASN 1 76 1.52 14 A A HH OH TYR TYR 14 55 1.57 14 A A O H ASP THR 32 48 1.58 14 A B HH11 OD1 ARG ASN 72 120 1.59 14 A A HG1 O THR VAL 35 110 1.59 15 A A O HG1 PRO THR 4 8 1.60 17 B B O HG1 PRO THR 4 8 1.48 17 B B OH HH TYR TYR 14 55 1.49 18 A A O H ASP THR 32 48 1.54 19 A A H O ALA VAL 31 109 1.55 19 B B O H ASP THR 32 48 1.59 20 B B HH OH TYR TYR 14 55 1.52 20 B B O HG1 PRO THR 4 8 1.53 1 A ASN 2 62.44 130.18 1 A ALA 31 -50.18 178.78 1 A PRO 39 -74.98 -84.30 1 A GLU 43 59.33 95.95 1 A THR 48 -39.41 -29.44 1 A THR 68 -141.16 14.15 1 A GLN 69 -148.16 -88.05 1 A GLU 70 173.46 -174.95 1 A ARG 72 -112.99 79.68 1 A VAL 74 -148.62 -147.45 1 A ALA 75 -50.46 100.63 1 A ASN 76 37.54 34.17 1 A ALA 78 -153.08 88.19 1 A ALA 106 -174.88 -39.21 1 B ASN 2 167.25 124.45 1 B ALA 31 -47.07 172.68 1 B SER 42 62.05 72.36 1 B GLU 43 -168.98 64.00 1 B THR 68 -154.76 22.67 1 B GLN 69 -147.99 -86.73 1 B GLU 70 -179.22 -177.46 1 B ASN 76 38.95 30.76 1 B TYR 88 -110.28 75.19 1 B GLN 89 35.33 80.95 1 B ALA 106 151.23 -20.85 2 A ASN 2 -65.15 97.09 2 A ALA 31 -47.87 173.92 2 A ALA 34 -57.44 179.16 2 A PRO 39 -74.94 -70.62 2 A SER 42 149.69 -177.98 2 A GLU 43 64.36 79.21 2 A PRO 44 -75.01 -167.77 2 A ALA 56 -68.02 -70.51 2 A THR 68 -136.98 -51.10 2 A GLN 69 -179.98 -160.66 2 A VAL 74 -157.07 -139.30 2 A ALA 75 -31.48 95.87 2 A ASN 76 20.93 58.08 2 A GLN 89 -63.58 72.80 2 A ARG 91 165.72 -179.89 2 A ALA 106 -172.89 -40.53 2 A ALA 123 -59.25 175.34 2 B ASN 2 41.00 76.66 2 B LEU 23 -70.94 -72.55 2 B ALA 31 -45.10 167.39 2 B ALA 34 -58.93 179.10 2 B PRO 39 -74.92 -77.33 2 B SER 42 153.15 -177.55 2 B GLU 43 67.15 63.77 2 B PRO 44 -74.98 -169.23 2 B ALA 56 -76.44 -71.60 2 B THR 68 -125.89 -54.09 2 B GLN 69 -178.83 -163.35 2 B GLU 70 57.76 116.30 2 B VAL 71 -157.10 68.12 2 B ASN 104 -163.11 -159.28 2 B ALA 106 40.09 29.72 2 B LYS 108 166.24 -167.66 3 A ASN 2 -178.32 54.19 3 A ALA 16 -39.87 -34.21 3 A ASP 22 -112.48 78.43 3 A ALA 31 -46.46 170.74 3 A PRO 39 -74.97 -70.95 3 A SER 42 150.52 -175.72 3 A GLU 43 72.89 66.86 3 A THR 68 -169.66 -40.13 3 A GLN 69 -77.81 -90.62 3 A GLU 70 -176.66 -178.38 3 A ASN 76 45.64 28.22 3 A GLN 89 -63.76 72.99 3 A ARG 91 167.34 179.56 3 A ASN 104 -157.94 -155.60 3 A ALA 106 40.15 29.98 3 A LYS 108 164.85 -167.53 3 A SER 111 -160.99 108.22 3 B THR 3 -46.15 155.14 3 B ASP 24 -74.52 -72.02 3 B ALA 31 -45.76 169.45 3 B PRO 39 -75.10 -143.55 3 B SER 42 158.73 171.18 3 B GLU 43 68.27 80.64 3 B PRO 44 -75.03 -168.64 3 B ARG 45 -153.08 85.41 3 B PHE 54 -72.76 -71.40 3 B THR 68 170.65 -31.42 3 B GLN 69 -74.58 -78.22 3 B GLU 70 171.05 177.27 3 B ARG 72 -116.22 72.44 3 B ASN 76 45.17 26.11 3 B GLN 89 -63.91 74.15 3 B ARG 91 162.08 -179.86 3 B ASN 104 90.83 -135.79 3 B ALA 106 151.49 -20.52 4 A ASP 24 -72.47 -70.71 4 A ALA 31 -44.88 168.11 4 A SER 42 62.84 -177.83 4 A GLU 43 68.12 62.81 4 A THR 68 177.80 -35.16 4 A GLN 69 -69.46 -76.22 4 A GLU 70 163.42 -176.52 4 A VAL 74 -141.40 -150.69 4 A ALA 75 -40.68 94.39 4 A ASN 76 37.22 31.48 4 A ASN 104 -114.73 -155.81 4 A ALA 106 47.18 71.14 4 A VAL 110 -132.20 -62.60 4 A ASN 120 -142.65 49.89 4 B ALA 31 -48.02 174.32 4 B PRO 39 -75.00 -87.03 4 B SER 42 -111.57 62.58 4 B GLU 43 41.11 86.67 4 B LEU 67 -59.89 -177.78 4 B THR 68 -179.35 -36.75 4 B GLN 69 -85.18 -98.07 4 B GLU 70 -174.57 -179.48 4 B VAL 74 -141.93 -150.81 4 B ALA 75 -45.42 93.13 4 B ASN 76 35.10 36.87 4 B TYR 88 -156.44 78.04 4 B GLN 89 39.75 65.32 4 B ALA 106 40.13 29.65 4 B LYS 108 166.31 -170.67 4 B PHE 116 -101.29 -168.73 5 A ALA 31 -45.25 168.59 5 A PRO 39 -74.95 -77.83 5 A SER 42 151.69 177.96 5 A GLU 43 68.49 63.40 5 A THR 68 -179.96 68.45 5 A GLN 69 -171.43 -73.91 5 A GLU 70 174.24 153.55 5 A LYS 108 161.40 -175.45 5 B ASN 2 -178.58 61.20 5 B ASP 22 -65.32 90.95 5 B LEU 23 -72.12 -73.04 5 B ALA 31 -45.38 168.99 5 B GLU 37 -116.98 73.18 5 B SER 42 -60.14 82.62 5 B GLU 43 86.17 86.59 5 B ALA 56 -75.28 -72.00 5 B VAL 74 177.35 162.22 5 B GLN 89 -62.78 67.57 5 B ARG 91 167.82 168.87 5 B LYS 108 82.31 -176.43 6 A ALA 31 -46.50 170.76 6 A PRO 39 -75.10 -144.06 6 A SER 42 69.58 174.18 6 A GLU 43 68.98 71.22 6 A THR 68 -142.77 14.55 6 A GLN 69 -141.08 -96.74 6 A GLU 70 178.83 179.10 6 A VAL 74 -133.28 -147.72 6 A ALA 75 -48.52 95.78 6 A ASN 76 39.19 30.56 6 A GLN 89 -64.39 67.65 6 A LYS 108 87.54 -175.91 6 A ASN 120 -152.73 55.82 6 B ASN 2 -161.66 87.98 6 B ASP 22 -58.96 97.18 6 B LEU 23 -74.64 -74.77 6 B ALA 31 -45.48 169.58 6 B SER 42 65.42 -179.08 6 B GLU 43 66.57 75.95 6 B THR 68 179.14 67.42 6 B GLN 69 -179.12 -147.30 6 B VAL 74 -171.55 -148.78 6 B ALA 75 -45.36 94.84 6 B ASN 76 36.02 32.84 6 B ALA 106 -104.39 75.20 6 B LYS 108 -105.28 74.28 6 B PHE 116 -112.94 75.07 6 B ASN 120 -146.95 52.49 7 A ASN 2 -163.90 66.50 7 A LEU 23 -74.78 -75.13 7 A ALA 31 -49.39 177.64 7 A SER 42 -53.32 89.52 7 A GLU 43 82.56 76.23 7 A ALA 56 -68.32 -70.52 7 A GLN 69 -87.16 -93.84 7 A VAL 74 -144.94 -148.44 7 A ALA 75 -41.56 95.12 7 A ASN 76 36.81 32.14 7 A ALA 78 -152.40 86.36 7 A GLN 89 -46.47 92.88 7 A ALA 106 40.21 29.68 7 A LYS 108 164.91 -167.69 7 B ASN 2 170.11 103.09 7 B ALA 31 -50.84 -179.83 7 B ASP 33 -145.79 19.85 7 B ALA 34 -64.84 -177.70 7 B SER 42 84.97 -178.01 7 B GLU 43 76.80 69.86 7 B ALA 56 -78.26 -73.66 7 B THR 68 174.65 57.53 7 B GLN 69 -167.95 -92.80 7 B VAL 74 -136.41 -146.13 7 B ALA 75 -44.37 90.64 7 B ASN 76 35.35 35.94 7 B GLN 89 -63.82 70.35 7 B ASN 104 -173.39 -177.28 8 A ASN 2 -59.09 87.01 8 A ALA 31 -44.84 167.96 8 A GLU 37 -159.49 60.17 8 A SER 42 85.54 -172.27 8 A GLU 43 42.40 81.49 8 A ARG 52 -74.76 -73.81 8 A GLU 66 -172.95 147.46 8 A THR 68 -173.17 53.29 8 A GLN 69 -166.02 -98.46 8 A GLN 89 -54.68 87.89 8 A ASN 104 -169.71 -87.10 8 B ASN 2 72.36 54.95 8 B ALA 31 -50.27 179.37 8 B SER 42 -53.87 88.15 8 B GLU 43 81.50 78.76 8 B GLU 66 -171.66 133.02 8 B THR 68 -171.60 -45.51 8 B GLN 69 -71.45 -97.15 8 B GLU 70 176.68 -178.12 8 B VAL 74 -148.07 -144.88 8 B ALA 75 -47.86 94.93 8 B ASN 76 38.72 31.13 8 B GLN 89 -64.39 66.31 8 B ASN 104 -163.92 -156.61 8 B ALA 106 76.36 -72.77 9 A ALA 31 -48.55 172.37 9 A PRO 39 -75.07 -80.88 9 A SER 42 151.19 68.75 9 A GLU 43 -171.93 80.92 9 A THR 68 174.16 -33.59 9 A GLN 69 -74.59 -78.45 9 A GLU 70 161.81 -173.76 9 A VAL 74 179.92 158.19 9 A ASN 76 39.64 30.66 9 A GLN 89 -63.68 72.09 9 A ARG 91 171.47 -179.36 9 A ASN 104 152.06 -92.62 9 A LYS 108 92.66 -172.94 9 A GLU 118 61.79 63.10 9 A LYS 119 96.59 -23.54 9 A ALA 123 -49.14 176.72 9 B ALA 31 -56.53 -175.70 9 B ALA 34 -51.50 175.15 9 B SER 42 -106.37 50.28 9 B GLU 43 53.15 92.82 9 B THR 68 -142.76 14.95 9 B ARG 72 -69.43 59.20 9 B ASN 76 44.33 25.86 9 B GLN 89 -63.81 71.34 9 B ARG 91 166.19 -179.42 9 B ALA 106 -39.28 -29.89 10 A ALA 31 -52.17 -176.06 10 A PRO 39 -74.98 -83.21 10 A THR 68 -174.95 34.41 10 A GLN 69 -149.70 -75.38 10 A GLU 70 162.41 -176.74 10 A ASN 76 42.63 28.80 10 A GLN 89 -43.46 92.27 10 A LYS 108 87.47 -174.71 10 A GLU 118 65.55 64.40 10 A LYS 119 89.48 -17.64 10 B ASP 22 -112.65 66.57 10 B ALA 31 -51.95 -179.93 10 B ALA 34 -63.93 -178.07 10 B GLU 43 160.51 70.24 10 B THR 68 -155.99 23.92 10 B GLN 69 -134.39 -78.21 10 B GLU 70 168.47 170.09 10 B VAL 74 -170.54 146.11 10 B ASN 76 38.78 30.60 10 B GLN 89 -63.73 70.89 10 B ARG 91 166.82 -179.33 10 B ASN 104 157.24 -179.45 11 A ASN 2 -169.61 106.69 11 A ALA 31 -45.48 169.08 11 A PRO 39 -75.04 -80.01 11 A SER 42 156.64 51.17 11 A GLU 43 164.62 88.16 11 A THR 68 179.68 51.25 11 A GLN 69 -156.19 -85.89 11 A ASN 76 39.05 30.25 11 A GLN 89 -63.71 73.63 11 A ARG 91 162.37 179.77 11 A ALA 106 83.17 16.20 11 A LYS 119 -141.57 15.07 11 B ASN 2 175.42 124.09 11 B ALA 31 -44.15 166.59 11 B ALA 34 -42.43 163.42 11 B GLU 37 -154.26 76.30 11 B SER 42 66.93 99.77 11 B GLU 43 -161.18 63.57 11 B THR 68 -165.45 -41.38 11 B GLN 69 -77.24 -84.55 11 B GLU 70 176.48 -177.82 11 B TYR 88 175.02 134.41 11 B VAL 110 -120.59 -75.19 12 A ASP 22 -107.72 75.50 12 A ALA 31 -55.87 -178.30 12 A SER 42 71.96 108.96 12 A GLU 43 178.98 62.65 12 A THR 68 -174.08 -38.26 12 A GLN 69 -65.60 -82.90 12 A GLN 89 -63.82 73.60 12 A ARG 91 165.13 -179.26 12 A LYS 108 87.90 -175.68 12 B ASN 2 64.92 137.06 12 B ALA 31 -49.26 177.14 12 B GLU 37 -150.36 74.79 12 B SER 42 60.49 -178.57 12 B GLU 43 70.69 64.94 12 B PRO 44 -75.05 -168.48 12 B GLU 66 -171.73 140.91 12 B THR 68 -179.47 44.84 12 B GLN 69 -143.63 -82.87 12 B VAL 74 -174.75 -175.34 12 B GLU 77 -179.37 146.13 12 B GLN 89 -63.91 74.39 12 B ARG 91 167.40 176.19 12 B ASN 104 -157.97 -100.35 12 B ALA 106 84.54 -50.21 12 B LYS 108 179.82 163.45 12 B MET 112 -170.62 137.46 13 A ASN 2 41.55 85.12 13 A ALA 31 -54.00 -171.55 13 A ASP 33 -141.67 34.43 13 A PRO 39 -75.04 -74.38 13 A SER 42 -112.89 79.95 13 A GLU 43 41.38 85.67 13 A LYS 60 -39.92 -29.52 13 A THR 68 178.56 -51.10 13 A GLN 69 -63.36 -100.10 13 A VAL 74 -152.63 -143.28 13 A ALA 75 -45.37 94.51 13 A ASN 76 36.05 34.17 13 A TYR 88 -179.35 134.62 13 A ASN 104 156.48 -172.00 13 A ALA 106 81.87 -3.80 13 B ALA 31 -52.42 -175.75 13 B SER 42 -57.97 83.38 13 B GLU 43 83.84 86.64 13 B SER 46 178.61 150.64 13 B PHE 54 -74.83 -72.96 13 B GLN 69 171.23 -172.56 13 B GLU 70 60.33 116.33 13 B VAL 71 -155.21 70.25 13 B ARG 72 -66.25 92.11 13 B PHE 82 -116.20 -168.80 13 B GLN 89 -63.68 72.76 13 B ARG 91 166.06 179.49 13 B LYS 108 87.33 -174.54 14 A ASN 2 177.70 54.14 14 A ASP 22 -65.96 74.55 14 A ALA 31 -44.55 166.97 14 A GLU 37 -155.84 73.33 14 A SER 42 63.20 -178.78 14 A GLU 43 78.55 76.23 14 A LYS 60 -39.95 -29.77 14 A GLU 66 -171.84 130.43 14 A THR 68 -139.76 -44.22 14 A GLN 69 -170.68 -169.76 14 A GLU 70 59.85 119.87 14 A VAL 71 -157.61 61.43 14 A ARG 72 -58.80 87.21 14 A GLN 89 -54.77 83.16 14 A ASN 104 -170.63 -174.18 14 A ALA 106 83.42 77.30 14 A PHE 116 -69.37 -175.60 14 B ALA 31 -43.90 165.66 14 B ASP 33 -129.91 -76.52 14 B ALA 34 43.86 -172.91 14 B PRO 39 -74.98 -70.87 14 B SER 42 86.81 83.11 14 B GLU 43 -179.55 62.11 14 B THR 68 -175.07 -50.39 14 B GLN 69 -64.15 -101.48 14 B VAL 74 -147.48 -148.44 14 B ALA 75 -48.76 97.67 14 B ASN 76 39.17 31.13 14 B GLN 89 -63.58 71.11 14 B ARG 91 172.87 -179.40 15 A ASN 2 58.42 165.96 15 A ALA 31 -51.13 -179.39 15 A ALA 34 -56.54 176.20 15 A SER 42 63.37 -178.51 15 A GLU 43 71.25 65.76 15 A THR 68 175.26 68.18 15 A GLN 69 178.35 -150.74 15 A ASN 104 176.99 -147.49 15 A ALA 106 57.66 15.66 15 A LYS 108 91.42 -161.83 15 A VAL 109 -38.33 114.80 15 B ALA 31 -45.93 170.03 15 B GLU 37 -150.15 85.63 15 B SER 42 85.24 114.95 15 B GLU 43 160.71 70.07 15 B GLU 66 -176.96 142.27 15 B THR 68 -160.58 26.63 15 B GLN 69 -142.37 -96.96 15 B VAL 74 -171.01 -162.39 15 B ALA 75 -39.78 98.78 15 B ASN 76 36.92 47.35 15 B VAL 84 -161.68 114.67 15 B ASN 104 -162.66 -167.03 15 B GLU 118 -115.43 53.57 15 B LYS 119 -147.16 23.83 15 B ASN 120 -163.16 50.49 16 A ASN 2 63.67 79.24 16 A ALA 31 -51.40 -178.37 16 A SER 42 -58.22 85.21 16 A GLU 43 76.86 83.00 16 A THR 68 178.15 49.93 16 A GLN 69 -161.16 -83.28 16 A GLU 70 179.63 167.07 16 A VAL 74 -142.27 -146.16 16 A ALA 75 -42.91 96.35 16 A ASN 76 35.42 35.75 16 A GLN 89 -47.01 92.80 16 A ASN 104 173.61 -156.58 16 B ASP 22 -65.52 75.81 16 B ALA 31 -49.29 176.99 16 B PRO 39 -74.97 -73.93 16 B SER 42 151.44 -173.70 16 B GLU 43 42.42 86.08 16 B PRO 44 -75.02 -167.20 16 B THR 68 -179.42 40.56 16 B GLN 69 -155.76 -150.14 16 B GLN 89 -46.72 93.51 16 B ALA 106 40.40 29.79 17 A ASN 2 -145.98 54.60 17 A ASP 22 -94.29 59.60 17 A ALA 31 -48.51 176.00 17 A ALA 34 -45.48 168.13 17 A SER 42 -27.36 96.26 17 A GLU 43 159.38 71.13 17 A THR 68 -159.78 -48.12 17 A GLN 69 -70.35 -98.19 17 A GLU 70 178.57 -178.19 17 A VAL 74 -139.73 -146.91 17 A ALA 75 -48.63 94.43 17 A ASN 76 40.51 29.22 17 A ASN 104 154.61 -88.29 17 A ALA 106 41.66 28.26 17 A LYS 108 91.55 -163.18 17 A VAL 110 -118.76 -78.95 17 A ASN 120 -145.87 36.21 17 B ASN 2 58.50 86.71 17 B LEU 23 -71.35 -72.44 17 B ALA 31 -47.61 173.39 17 B PRO 39 -75.04 -144.56 17 B SER 42 69.93 178.59 17 B GLU 43 70.20 65.14 17 B PRO 44 -75.05 -169.52 17 B ALA 64 -113.48 60.93 17 B GLU 66 179.38 126.32 17 B THR 68 -172.43 44.20 17 B GLN 69 -144.01 -95.89 17 B VAL 74 -145.67 -149.09 17 B ALA 75 -45.31 91.98 17 B ASN 76 35.79 34.56 17 B LYS 108 157.99 -175.78 18 A ALA 31 -48.68 175.68 18 A PRO 39 -75.02 -82.02 18 A SER 42 155.91 -178.51 18 A GLU 43 66.97 63.35 18 A PRO 44 -75.00 -169.96 18 A THR 68 178.40 -38.82 18 A GLN 69 -72.72 -88.47 18 A GLU 70 175.70 176.78 18 A VAL 74 -146.57 -147.54 18 A ALA 75 -49.53 100.35 18 A ASN 76 37.62 41.05 18 A ALA 78 -159.56 89.21 18 A GLN 89 -42.98 92.06 18 A ASN 104 177.37 -176.66 18 A ALA 106 70.71 -61.16 18 B LEU 23 -74.57 -75.23 18 B ALA 31 -45.19 168.59 18 B SER 42 67.99 91.46 18 B GLU 43 179.93 65.49 18 B LYS 60 -39.14 -30.13 18 B GLU 66 -163.66 115.44 18 B THR 68 -138.54 -43.01 18 B GLN 69 -57.56 -104.18 18 B ARG 72 -102.25 76.44 18 B ASN 76 41.14 28.95 18 B GLN 89 -63.91 75.36 18 B ARG 91 162.85 178.10 18 B ALA 106 -175.86 -39.82 19 A ASN 2 173.66 83.27 19 A ALA 31 -49.34 176.92 19 A ALA 34 -59.05 170.85 19 A SER 42 -53.32 88.85 19 A GLU 43 81.83 77.16 19 A THR 68 -167.95 29.92 19 A GLN 69 -143.19 -100.20 19 A VAL 74 -152.85 -132.35 19 A ALA 75 -36.79 92.25 19 A ASN 76 22.96 50.38 19 A ALA 106 40.13 29.76 19 A ASN 120 -140.91 39.21 19 B ASN 2 63.70 136.92 19 B ALA 31 -49.63 166.88 19 B ALA 34 -41.05 150.73 19 B PRO 39 -74.94 -70.93 19 B SER 42 150.08 -178.62 19 B GLU 43 49.11 88.99 19 B GLN 69 -141.57 -83.50 19 B GLU 70 171.20 -173.11 19 B VAL 74 -175.51 -148.38 19 B ALA 75 -38.67 93.17 19 B ASN 76 31.97 41.95 19 B ALA 78 -150.60 88.57 19 B ASN 104 -160.52 -164.34 19 B ALA 106 -145.91 19.55 19 B GLU 118 72.29 61.06 19 B LYS 119 90.22 -20.12 20 A ASN 2 -49.98 178.26 20 A ALA 31 -50.54 179.51 20 A SER 42 -41.23 109.90 20 A GLU 43 41.53 83.84 20 A ARG 52 -71.52 -71.51 20 A THR 68 -164.01 42.94 20 A GLN 69 -143.25 -59.26 20 A GLU 70 161.61 160.11 20 A VAL 74 -128.19 -146.85 20 A ALA 75 -49.59 97.25 20 A ASN 76 39.51 30.57 20 A ALA 106 -94.92 31.16 20 B ASN 2 55.98 177.97 20 B ASP 22 -68.86 73.69 20 B ALA 31 -50.77 -179.20 20 B PRO 39 -75.00 -143.70 20 B SER 42 158.66 54.11 20 B GLU 43 175.83 86.14 20 B PRO 44 -74.96 -168.94 20 B LYS 60 -39.58 -29.91 20 B THR 68 179.68 35.50 20 B GLN 69 -144.49 -92.37 20 B VAL 74 -152.64 -139.75 20 B ALA 75 -35.77 94.11 20 B ASN 76 23.96 52.35 20 B GLN 89 38.58 78.16 20 B ASN 104 156.32 -88.89 20 B LYS 108 177.77 -175.79 20 B MET 112 -170.04 146.69 20 B PHE 116 -112.75 79.64 20 B GLU 118 -114.94 58.69 20 B LYS 119 -157.24 33.31 20 B ASN 120 -158.91 29.86 3-OXO-DELTA5-STEROID ISOMERASE, NMR, 20 STRUCTURES 1 N N 1 N N A THR 3 A THR 3 HELX_P A ALA 20 A ALA 20 1 1 18 A ASP 22 A ASP 22 HELX_P A PHE 30 A PHE 30 1 2 9 A THR 48 A THR 48 HELX_P A LEU 61 A LEU 61 1 3 14 B THR 3 B THR 3 HELX_P B ALA 20 B ALA 20 1 4 18 B ASP 22 B ASP 22 HELX_P B PHE 30 B PHE 30 1 5 9 B THR 48 B THR 48 HELX_P B LEU 61 B LEU 61 1 6 14 ISOMERASE ISOMERASE, KSI, 3-KETOSTEROID A ASP 38 A ASP 38 1 A PRO 39 A PRO 39 -0.03 B ASP 38 B ASP 38 1 B PRO 39 B PRO 39 0.14 A ASP 38 A ASP 38 2 A PRO 39 A PRO 39 -0.09 B ASP 38 B ASP 38 2 B PRO 39 B PRO 39 -0.11 A ASP 38 A ASP 38 3 A PRO 39 A PRO 39 -0.02 B ASP 38 B ASP 38 3 B PRO 39 B PRO 39 0.05 A ASP 38 A ASP 38 4 A PRO 39 A PRO 39 0.00 B ASP 38 B ASP 38 4 B PRO 39 B PRO 39 -0.05 A ASP 38 A ASP 38 5 A PRO 39 A PRO 39 0.00 B ASP 38 B ASP 38 5 B PRO 39 B PRO 39 -0.04 A ASP 38 A ASP 38 6 A PRO 39 A PRO 39 0.12 B ASP 38 B ASP 38 6 B PRO 39 B PRO 39 0.03 A ASP 38 A ASP 38 7 A PRO 39 A PRO 39 0.00 B ASP 38 B ASP 38 7 B PRO 39 B PRO 39 0.04 A ASP 38 A ASP 38 8 A PRO 39 A PRO 39 0.09 B ASP 38 B ASP 38 8 B PRO 39 B PRO 39 0.04 A ASP 38 A ASP 38 9 A PRO 39 A PRO 39 0.07 B ASP 38 B ASP 38 9 B PRO 39 B PRO 39 0.01 A ASP 38 A ASP 38 10 A PRO 39 A PRO 39 -0.02 B ASP 38 B ASP 38 10 B PRO 39 B PRO 39 0.00 A ASP 38 A ASP 38 11 A PRO 39 A PRO 39 0.07 B ASP 38 B ASP 38 11 B PRO 39 B PRO 39 0.09 A ASP 38 A ASP 38 12 A PRO 39 A PRO 39 -0.08 B ASP 38 B ASP 38 12 B PRO 39 B PRO 39 -0.01 A ASP 38 A ASP 38 13 A PRO 39 A PRO 39 0.03 B ASP 38 B ASP 38 13 B PRO 39 B PRO 39 -0.05 A ASP 38 A ASP 38 14 A PRO 39 A PRO 39 0.03 B ASP 38 B ASP 38 14 B PRO 39 B PRO 39 0.00 A ASP 38 A ASP 38 15 A PRO 39 A PRO 39 0.07 B ASP 38 B ASP 38 15 B PRO 39 B PRO 39 -0.06 A ASP 38 A ASP 38 16 A PRO 39 A PRO 39 0.05 B ASP 38 B ASP 38 16 B PRO 39 B PRO 39 -0.07 A ASP 38 A ASP 38 17 A PRO 39 A PRO 39 -0.03 B ASP 38 B ASP 38 17 B PRO 39 B PRO 39 0.03 A ASP 38 A ASP 38 18 A PRO 39 A PRO 39 -0.03 B ASP 38 B ASP 38 18 B PRO 39 B PRO 39 0.06 A ASP 38 A ASP 38 19 A PRO 39 A PRO 39 0.08 B ASP 38 B ASP 38 19 B PRO 39 B PRO 39 -0.04 A ASP 38 A ASP 38 20 A PRO 39 A PRO 39 0.03 B ASP 38 B ASP 38 20 B PRO 39 B PRO 39 -0.03 SDIS_COMTE UNP 1 1 P00947 MNTPEHMTAVVQRYVAALNAGDLDGIVALFADDATVEDPVGSEPRSGTAAIREFYANSLKLPLAVELTQEVRAVANEAAF AFTVSFEYQGRKTVVAPIDHFRFNGAGKVVSMRALFGEKNIHAGA 1 125 1ISK 1 125 P00947 A 1 1 125 1 125 1ISK 1 125 P00947 B 1 1 125 6 6 anti-parallel parallel anti-parallel anti-parallel anti-parallel anti-parallel parallel anti-parallel anti-parallel anti-parallel A GLU 43 A GLU 43 A GLY 47 A GLY 47 A ALA 34 A ALA 34 A ASP 38 A ASP 38 A SER 111 A SER 111 A GLY 124 A GLY 124 A ARG 91 A ARG 91 A PHE 103 A PHE 103 A GLU 77 A GLU 77 A TYR 88 A TYR 88 A LEU 63 A LEU 63 A VAL 74 A VAL 74 B GLU 43 B GLU 43 B GLY 47 B GLY 47 B ALA 34 B ALA 34 B ASP 38 B ASP 38 B SER 111 B SER 111 B GLY 124 B GLY 124 B ARG 91 B ARG 91 B PHE 103 B PHE 103 B GLU 77 B GLU 77 B TYR 88 B TYR 88 B LEU 63 B LEU 63 B VAL 74 B VAL 74 TYR A14 AND ASP A99 BOTH STABILIZE THE INTERMEDIATE BY FORMING HYDROGEN-BOND TO IT. ASP A38 TRANSFERS PROTON FROM C-4B TO C-6B. Unknown 4 TYR B14 AND ASP B99 BOTH STABILIZE THE INTERMEDIATE BY FORMING HYDROGEN-BOND TO IT. ASP B38 TRANSFERS PROTON FROM C-4B TO C-6B. Unknown 4 A TYR 14 A TYR 14 4 1_555 A ASP 38 A ASP 38 4 1_555 A ASP 99 A ASP 99 4 1_555 A PHE 101 A PHE 101 4 1_555 B TYR 14 B TYR 14 4 1_555 B ASP 38 B ASP 38 4 1_555 B ASP 99 B ASP 99 4 1_555 B PHE 101 B PHE 101 4 1_555 1 P 1