1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Kalodimos, C.G. Bonvin, A.M.J.J. Boelens, R. Kaptein, R. 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 C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C10 H14 N5 O6 P 331.222 y 2'-DEOXYADENOSINE-5'-MONOPHOSPHATE DNA linking C9 H14 N3 O7 P 307.197 y 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE DNA linking C10 H14 N5 O7 P 347.221 y 2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE DNA linking C10 H15 N2 O8 P 322.208 y THYMIDINE-5'-MONOPHOSPHATE DNA 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 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 305 386 389 10.1126/science.1097064 15256668 Structure and flexibility adaptation in nonspecific and specific protein-DNA complexes. 2004 10.2210/pdb1osl/pdb pdb_00001osl 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 SINGLE WAVELENGTH M 1 1.0 5514.603 5'-D(*CP*GP*AP*TP*AP*AP*GP*AP*TP*AP*TP*CP*TP*TP*AP*TP*CP*G)-3' 2 syn polymer 6822.755 Lactose operon repressor N-terminal DNA-binding domain, residues 1-62 V52C 2 man polymer no no (DC)(DG)(DA)(DT)(DA)(DA)(DG)(DA)(DT)(DA)(DT)(DC)(DT)(DT)(DA)(DT)(DC)(DG) CGATAAGATATCTTATCG C,D polydeoxyribonucleotide no no MKPVTLYDVAEYAGVSYQTVSRVVNQASHVSAKTREKVEAAMAELNYIPNRCAQQLAGKQSL MKPVTLYDVAEYAGVSYQTVSRVVNQASHVSAKTREKVEAAMAELNYIPNRCAQQLAGKQSL 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 Escherichia Escherichia sample LACI 562 Escherichia coli 562 Escherichia coli DH9 plasmid PET-HP62-V52C 0.077 1 19 C 1 D 18 3.470 C_DC1:DG18_D 1 0.321 0.036 -0.016 -0.073 -1.013 1 19 C 2 D 17 4.226 C_DG2:DC17_D 2 2.682 -0.359 -0.210 -0.057 -4.290 1 20 C 3 D 16 -1.950 C_DA3:DT16_D 3 7.108 0.159 -0.318 0.171 1.089 1 20 C 4 D 15 -3.273 C_DT4:DA15_D 4 6.557 -0.165 -0.241 0.180 -2.346 1 20 C 5 D 14 -3.478 C_DA5:DT14_D 5 5.964 0.123 -0.253 0.194 -1.803 1 20 C 6 D 13 -3.371 C_DA6:DT13_D 6 5.809 0.114 -0.234 0.196 -0.353 1 19 C 7 D 12 -1.211 C_DG7:DC12_D 7 5.089 -0.139 -0.226 0.101 -3.072 1 20 C 8 D 11 -3.946 C_DA8:DT11_D 8 4.972 0.171 -0.276 0.197 1.260 1 20 C 9 D 10 -3.971 C_DT9:DA10_D 9 6.971 -0.098 -0.252 0.188 -1.381 1 20 C 10 D 9 -3.367 C_DA10:DT9_D 10 7.092 0.161 -0.257 0.199 3.499 1 20 C 11 D 8 -6.177 C_DT11:DA8_D 11 7.435 -0.331 -0.370 0.140 0.241 1 19 C 12 D 7 -1.603 C_DC12:DG7_D 12 5.239 0.139 -0.206 0.118 2.202 1 20 C 13 D 6 -4.624 C_DT13:DA6_D 13 6.252 -0.250 -0.245 0.193 2.220 1 20 C 14 D 5 -3.267 C_DT14:DA5_D 14 6.101 -0.091 -0.256 0.196 -1.630 1 20 C 15 D 4 -2.867 C_DA15:DT4_D 15 6.104 0.135 -0.219 0.195 1.908 1 20 C 16 D 3 -2.852 C_DT16:DA3_D 16 7.095 -0.094 -0.231 0.197 0.888 1 19 C 17 D 2 2.684 C_DC17:DG2_D 17 6.147 0.500 -0.269 -0.045 -0.101 1 19 C 18 D 1 4.234 C_DG18:DC1_D 18 0.501 -0.037 -0.023 -0.064 3.372 36.068 C C 1 2 9.845 D D 18 17 3.374 6.068 0.336 0.212 CC_DC1DG2:DC17DG18_DD 1 0.986 -1.600 35.557 -0.550 -0.398 3.465 38.558 C C 2 3 5.682 D D 17 16 3.476 3.747 -0.221 0.055 CC_DG2DA3:DT16DC17_DD 2 0.056 -0.085 38.382 -0.409 0.342 3.506 33.514 C C 3 4 -7.681 D D 16 15 3.511 -4.416 -0.105 -0.224 CC_DA3DT4:DA15DT16_DD 3 1.050 -1.827 33.214 0.394 0.368 3.407 36.759 C C 4 5 8.141 D D 15 14 3.442 5.118 0.049 -0.032 CC_DT4DA5:DT14DA15_DD 4 0.833 -1.325 36.404 -0.784 0.042 3.476 34.779 C C 5 6 -0.818 D D 14 13 3.472 -0.489 -0.135 -0.149 CC_DA5DA6:DT13DT14_DD 5 -1.502 2.513 34.744 -0.169 -0.018 3.388 33.298 C C 6 7 -0.400 D D 13 12 3.388 -0.229 0.013 -0.247 CC_DA6DG7:DC12DT13_DD 6 -0.859 1.499 33.287 -0.392 -0.170 3.359 36.079 C C 7 8 4.940 D D 12 11 3.390 3.056 -0.277 -0.284 CC_DG7DA8:DT11DC12_DD 7 -0.502 0.811 35.950 -0.905 0.374 3.480 33.113 C C 8 9 -8.353 D D 11 10 3.475 -4.745 -0.013 -0.290 CC_DA8DT9:DA10DT11_DD 8 0.888 -1.564 32.769 0.346 0.184 3.354 36.926 C C 9 10 7.813 D D 10 9 3.370 4.935 -0.040 0.094 CC_DT9DA10:DT9DA10_DD 9 -0.446 0.707 36.604 -0.540 0.000 3.390 31.677 C C 10 11 -2.228 D D 9 8 3.374 -1.216 -0.286 -0.318 CC_DA10DT11:DA8DT9_DD 10 -0.831 1.523 31.644 -0.351 0.365 3.489 36.353 C C 11 12 0.002 D D 8 7 3.493 0.001 0.438 -0.240 CC_DT11DC12:DG7DA8_DD 11 -0.367 0.587 36.351 -0.385 -0.756 3.369 32.929 C C 12 13 -3.023 D D 7 6 3.356 -1.713 -0.227 -0.433 CC_DC12DT13:DA6DG7_DD 12 0.546 -0.965 32.881 -0.463 0.496 3.434 34.189 C C 13 14 2.712 D D 6 5 3.436 1.593 0.344 -0.259 CC_DT13DT14:DA5DA6_DD 13 1.778 -3.026 34.108 -0.705 -0.290 3.322 36.891 C C 14 15 8.141 D D 5 4 3.373 5.136 0.091 -0.148 CC_DT14DA15:DT4DA5_DD 14 -0.306 0.484 36.543 -0.948 -0.186 3.488 33.735 C C 15 16 -7.061 D D 4 3 3.478 -4.088 -0.037 -0.296 CC_DA15DT16:DA3DT4_DD 15 0.317 -0.547 33.492 0.199 0.119 3.593 38.484 C C 16 17 3.420 D D 3 2 3.577 2.253 0.342 0.303 CC_DT16DC17:DG2DA3_DD 16 0.597 -0.906 38.416 0.154 -0.437 3.463 34.564 C C 17 18 12.265 D D 2 1 3.507 7.237 -0.034 0.143 CC_DC17DG18:DC1DG2_DD 17 -0.109 0.186 33.820 -0.964 0.039 database_2 pdbx_nmr_software pdbx_struct_assembly pdbx_struct_oper_list struct_ref_seq_dif repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2004-05-04 1 1 2008-04-29 1 2 2011-07-13 1 3 2021-10-27 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name _struct_ref_seq_dif.details The same protein complexed to a nonspecific DNA operator RCSB Y RCSB 2003-03-20 REL REL THIS STRUCTURE WAS DETERMINED USING STANDARD 2D AND 3D HOMO- AND HETERONUCLEAR TECHNIQUES. 13C-15N LABELED PROTEIN AND UNLABELED NUCLEOTIDE WERE USED. IN ADDITION ISOTOPE FILTER EXPERIMENTS WERE APPLIED TO OBTAIN ADDITIONAL ASSIGNMENTS AND TO ASSIGN INTER-MOLECULAR NOES. FOR FURTHER DETAILS SEE THE REFERENCE DESCRIBING THE STRUCTURES. structures with the lowest energy 400 20 3D_15N-separated_NOESY 3D_13C-separated_NOESY 13C-15N double-half noesy filter 400mM KCl, 60mM KPi 5.8 ambient 300 K THE STRUCTURE OF THE COMPLEX WAS SOLVED ON THE BASIS OF 70 INTERMOLECULAR RESTRAINTS THE STRUCTURE OF THE COMPLEX WAS CALCULATED AS FOLLOWS. FIRST THE STRUCTURE OF THE DIMERIC LACHP62-V52C WAS CALCULATED USING ONLY PROTEIN NMR RESTRAINTS. THE 100 BEST STRUCTURES WERE SELECTED AND DOCKED ONTO THE NONSPECIFIC LAC OPERATOR B-DNA USING SIMULATED ANNEALING. DISTANCE AND PLANARITY RESTRAINTS FOR THE DNA WERE INCORPORATED IN ORDER TO KEEP DNA CLOSE TO B-DNA CONFORMATION. 1 closest to the average 2mM LAC-HP62-V52C U-15N,13C, 60mM KPI, 400mM KCL 90% H2O/10% D2O bruker collection XwinNMR 3.0 delaglio processing NMRPipe 2.1 Johnson data analysis NMRView 5.0.3 brunger structure solution CNS 1.1 brunger refinement CNS 1.1 750 Bruker DRX C 1 n 1 DC 1 C G 2 n 2 DG 2 C A 3 n 3 DA 3 C T 4 n 4 DT 4 C A 5 n 5 DA 5 C A 6 n 6 DA 6 C G 7 n 7 DG 7 C A 8 n 8 DA 8 C T 9 n 9 DT 9 C A 10 n 10 DA 10 C T 11 n 11 DT 11 C C 12 n 12 DC 12 C T 13 n 13 DT 13 C T 14 n 14 DT 14 C A 15 n 15 DA 15 C T 16 n 16 DT 16 C C 17 n 17 DC 17 C G 18 n 18 DG 18 C C 1 n 1 DC 1 D G 2 n 2 DG 2 D A 3 n 3 DA 3 D T 4 n 4 DT 4 D A 5 n 5 DA 5 D A 6 n 6 DA 6 D G 7 n 7 DG 7 D A 8 n 8 DA 8 D T 9 n 9 DT 9 D A 10 n 10 DA 10 D T 11 n 11 DT 11 D C 12 n 12 DC 12 D T 13 n 13 DT 13 D T 14 n 14 DT 14 D A 15 n 15 DA 15 D T 16 n 16 DT 16 D C 17 n 17 DC 17 D G 18 n 18 DG 18 D MET 1 n 1 MET 1 A LYS 2 n 2 LYS 2 A PRO 3 n 3 PRO 3 A VAL 4 n 4 VAL 4 A THR 5 n 5 THR 5 A LEU 6 n 6 LEU 6 A TYR 7 n 7 TYR 7 A ASP 8 n 8 ASP 8 A VAL 9 n 9 VAL 9 A ALA 10 n 10 ALA 10 A GLU 11 n 11 GLU 11 A TYR 12 n 12 TYR 12 A ALA 13 n 13 ALA 13 A GLY 14 n 14 GLY 14 A VAL 15 n 15 VAL 15 A SER 16 n 16 SER 16 A TYR 17 n 17 TYR 17 A GLN 18 n 18 GLN 18 A THR 19 n 19 THR 19 A VAL 20 n 20 VAL 20 A SER 21 n 21 SER 21 A ARG 22 n 22 ARG 22 A VAL 23 n 23 VAL 23 A VAL 24 n 24 VAL 24 A ASN 25 n 25 ASN 25 A GLN 26 n 26 GLN 26 A ALA 27 n 27 ALA 27 A SER 28 n 28 SER 28 A HIS 29 n 29 HIS 29 A VAL 30 n 30 VAL 30 A SER 31 n 31 SER 31 A ALA 32 n 32 ALA 32 A LYS 33 n 33 LYS 33 A THR 34 n 34 THR 34 A ARG 35 n 35 ARG 35 A GLU 36 n 36 GLU 36 A LYS 37 n 37 LYS 37 A VAL 38 n 38 VAL 38 A GLU 39 n 39 GLU 39 A ALA 40 n 40 ALA 40 A ALA 41 n 41 ALA 41 A MET 42 n 42 MET 42 A ALA 43 n 43 ALA 43 A GLU 44 n 44 GLU 44 A LEU 45 n 45 LEU 45 A ASN 46 n 46 ASN 46 A TYR 47 n 47 TYR 47 A ILE 48 n 48 ILE 48 A PRO 49 n 49 PRO 49 A ASN 50 n 50 ASN 50 A ARG 51 n 51 ARG 51 A CYS 52 n 52 CYS 52 A ALA 53 n 53 ALA 53 A GLN 54 n 54 GLN 54 A GLN 55 n 55 GLN 55 A LEU 56 n 56 LEU 56 A ALA 57 n 57 ALA 57 A GLY 58 n 58 GLY 58 A LYS 59 n 59 LYS 59 A GLN 60 n 60 GLN 60 A SER 61 n 61 SER 61 A LEU 62 n 62 LEU 62 A MET 1 n 1 MET 1 B LYS 2 n 2 LYS 2 B PRO 3 n 3 PRO 3 B VAL 4 n 4 VAL 4 B THR 5 n 5 THR 5 B LEU 6 n 6 LEU 6 B TYR 7 n 7 TYR 7 B ASP 8 n 8 ASP 8 B VAL 9 n 9 VAL 9 B ALA 10 n 10 ALA 10 B GLU 11 n 11 GLU 11 B TYR 12 n 12 TYR 12 B ALA 13 n 13 ALA 13 B GLY 14 n 14 GLY 14 B VAL 15 n 15 VAL 15 B SER 16 n 16 SER 16 B TYR 17 n 17 TYR 17 B GLN 18 n 18 GLN 18 B THR 19 n 19 THR 19 B VAL 20 n 20 VAL 20 B SER 21 n 21 SER 21 B ARG 22 n 22 ARG 22 B VAL 23 n 23 VAL 23 B VAL 24 n 24 VAL 24 B ASN 25 n 25 ASN 25 B GLN 26 n 26 GLN 26 B ALA 27 n 27 ALA 27 B SER 28 n 28 SER 28 B HIS 29 n 29 HIS 29 B VAL 30 n 30 VAL 30 B SER 31 n 31 SER 31 B ALA 32 n 32 ALA 32 B LYS 33 n 33 LYS 33 B THR 34 n 34 THR 34 B ARG 35 n 35 ARG 35 B GLU 36 n 36 GLU 36 B LYS 37 n 37 LYS 37 B VAL 38 n 38 VAL 38 B GLU 39 n 39 GLU 39 B ALA 40 n 40 ALA 40 B ALA 41 n 41 ALA 41 B MET 42 n 42 MET 42 B ALA 43 n 43 ALA 43 B GLU 44 n 44 GLU 44 B LEU 45 n 45 LEU 45 B ASN 46 n 46 ASN 46 B TYR 47 n 47 TYR 47 B ILE 48 n 48 ILE 48 B PRO 49 n 49 PRO 49 B ASN 50 n 50 ASN 50 B ARG 51 n 51 ARG 51 B CYS 52 n 52 CYS 52 B ALA 53 n 53 ALA 53 B GLN 54 n 54 GLN 54 B GLN 55 n 55 GLN 55 B LEU 56 n 56 LEU 56 B ALA 57 n 57 ALA 57 B GLY 58 n 58 GLY 58 B LYS 59 n 59 LYS 59 B GLN 60 n 60 GLN 60 B SER 61 n 61 SER 61 B LEU 62 n 62 LEU 62 B author_defined_assembly 4 tetrameric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 identity operation 0.0000000000 0.0000000000 0.0000000000 11 B O ILE 48 D O ILE 48 1 Y 1 A A HA HB1 VAL ALA 23 27 1.19 1 A A HG11 HG22 VAL VAL 23 38 1.21 1 A A HH11 HG23 ARG VAL 22 30 1.34 1 B B HA HB1 VAL ALA 23 27 1.34 1 B B O H TYR SER 17 21 1.59 2 B B HG HH LEU TYR 6 47 0.95 2 B B HA HB2 VAL ALA 23 27 1.33 2 A A HG13 HG22 VAL VAL 23 38 1.33 2 B B HG OH LEU TYR 6 47 1.44 2 C D H21 O2 DG DC 18 1 1.58 2 B B O H TYR SER 17 21 1.58 3 A A HA HB3 VAL ALA 23 27 1.15 3 A A HG13 HG21 VAL VAL 23 38 1.24 3 A A HG1 OD1 THR ASP 5 8 1.56 3 C D O2 H21 DC DG 1 18 1.60 4 B B HA HB2 VAL ALA 23 27 1.14 4 A A HG11 HG21 VAL VAL 23 38 1.28 4 A A HD2 HA TYR ALA 12 41 1.34 4 B B HZ1 OE1 LYS GLU 33 36 1.57 4 C D H21 O2 DG DC 18 1 1.59 5 B B HA HB1 VAL ALA 23 27 1.07 5 A A HG12 HG22 VAL VAL 23 38 1.26 5 A A HD2 HA TYR ALA 12 41 1.35 5 B B HG OH LEU TYR 6 47 1.52 6 B B HD22 HG12 ASN ILE 46 48 1.08 6 B B HA HB3 VAL ALA 23 27 1.18 6 A A HA HB1 VAL ALA 23 27 1.24 6 A A HD2 HA TYR ALA 12 41 1.33 6 A A HG12 HG22 VAL VAL 23 38 1.34 6 C D H21 O2 DG DC 18 1 1.56 6 B B HG1 OD2 THR ASP 5 8 1.58 6 C D O2 H21 DC DG 1 18 1.60 7 B B HA HB2 VAL ALA 23 27 1.14 7 B B HG OH LEU TYR 6 47 1.51 7 B B HZ3 OE1 LYS GLU 33 36 1.59 8 A A HG11 HG23 VAL VAL 23 38 1.17 8 B B HB HB VAL VAL 20 38 1.24 8 A A HA HB2 VAL ALA 23 27 1.26 8 B B HA HB2 VAL ALA 23 27 1.34 8 C A OP2 HG DT SER 4 16 1.60 9 B B HG HH LEU TYR 6 47 0.95 9 A A HA HB2 VAL ALA 23 27 1.10 9 A A HG13 HG23 VAL VAL 23 38 1.26 9 A A HA HD2 THR LYS 34 37 1.28 9 B B HA HB3 VAL ALA 23 27 1.31 9 C D H21 O2 DG DC 18 1 1.58 10 B B HA HB1 VAL ALA 23 27 1.17 10 B B O H TYR SER 17 21 1.50 10 C D H21 O2 DG DC 18 1 1.56 11 A A HA HB3 VAL ALA 23 27 1.16 11 A A HG13 HG23 VAL VAL 23 38 1.27 11 B B O H TYR SER 17 21 1.53 11 B B HG OH LEU TYR 6 47 1.55 11 C D H21 O2 DG DC 18 1 1.59 11 B B HZ1 OXT LYS LEU 59 62 1.59 12 A A HG13 HG22 VAL VAL 23 38 1.21 12 A A HG22 HD3 ILE PRO 48 49 1.21 12 C D H21 O2 DG DC 18 1 1.60 12 C D O2 H21 DC DG 1 18 1.60 13 A A HA HB3 VAL ALA 23 27 1.12 13 A A HG11 HG23 VAL VAL 23 38 1.29 13 A A HD2 HA TYR ALA 12 41 1.31 13 C A OP2 HG DT SER 4 16 1.59 13 A A HG1 OD2 THR ASP 5 8 1.60 14 B B HA HB2 VAL ALA 23 27 1.12 14 A A HA HB2 VAL ALA 23 27 1.15 14 A A HG11 HG23 VAL VAL 23 38 1.22 14 B B O H TYR SER 17 21 1.48 15 A A HA HB2 VAL ALA 23 27 1.13 15 A A HG12 HG22 VAL VAL 23 38 1.27 15 A A HD2 HA TYR ALA 12 41 1.32 15 B B HA HB3 GLN SER 18 21 1.33 15 C D H21 O2 DG DC 18 1 1.57 15 B B O H TYR SER 17 21 1.59 15 B B HG OH LEU TYR 6 47 1.59 16 A A HA HB3 VAL ALA 23 27 1.15 16 A A HG11 HG22 VAL VAL 23 38 1.20 16 B B HA HB1 VAL ALA 23 27 1.21 16 B B HB3 H ASN ARG 50 51 1.24 16 A A HD2 HA TYR ALA 12 41 1.34 16 B B O H TYR SER 17 21 1.51 16 C D H21 O2 DG DC 18 1 1.59 17 B B HA HD2 THR LYS 34 37 1.28 17 C D H21 O2 DG DC 18 1 1.54 17 B B HG OH LEU TYR 6 47 1.57 18 A A HG12 HG22 VAL VAL 23 38 1.25 18 B B HA HB1 VAL ALA 23 27 1.29 18 B B HB HB VAL VAL 20 38 1.33 18 B B O H TYR SER 17 21 1.52 18 C D H21 O2 DG DC 18 1 1.59 19 B B HD12 HG LEU SER 6 21 1.21 19 B B HA HB2 GLN SER 18 21 1.26 19 B B HA HB2 VAL ALA 23 27 1.27 19 A A HG HH LEU TYR 6 47 1.29 19 B B HB HB VAL VAL 20 38 1.33 19 B B HG OH LEU TYR 6 47 1.45 19 A A HG OH LEU TYR 6 47 1.52 19 C D H21 O2 DG DC 18 1 1.55 19 B B HH OE2 TYR GLU 12 44 1.58 20 A A HG HH LEU TYR 6 47 0.84 20 A A HA HB3 VAL ALA 23 27 1.18 20 A A HH11 HG22 ARG VAL 22 30 1.28 20 A A HD2 HA TYR ALA 12 41 1.34 20 A A HG OH LEU TYR 6 47 1.48 20 B B HG OH LEU TYR 6 47 1.49 20 B B O H TYR SER 17 21 1.55 20 C D H21 O2 DG DC 18 1 1.60 2 B TYR 47 0.066 SIDE CHAIN 5 B TYR 47 0.061 SIDE CHAIN 6 B TYR 7 0.069 SIDE CHAIN 7 B TYR 47 0.058 SIDE CHAIN 9 B TYR 17 0.057 SIDE CHAIN 11 B TYR 7 0.052 SIDE CHAIN 16 B TYR 7 0.069 SIDE CHAIN 16 B TYR 17 0.087 SIDE CHAIN 19 B TYR 47 0.058 SIDE CHAIN 20 A TYR 47 0.064 SIDE CHAIN 20 B TYR 7 0.053 SIDE CHAIN 20 B TYR 47 0.059 SIDE CHAIN 4 1.81 0.30 108.30 110.11 D D D O4' C1' N9 DA DA DA 3 3 3 N 6 -5.42 0.90 119.80 114.38 B B B CD1 CE1 CZ TYR TYR TYR 7 7 7 N 6 -17.15 2.70 120.10 102.95 B B B CE1 CZ OH TYR TYR TYR 7 7 7 N 8 2.03 0.30 108.30 110.33 C C C O4' C1' N1 DT DT DT 11 11 11 N 18 1.94 0.30 108.30 110.24 D D D O4' C1' N9 DA DA DA 3 3 3 N 19 1.91 0.30 108.30 110.21 C C C O4' C1' N1 DT DT DT 11 11 11 N 19 11.69 1.90 110.30 121.99 B B B N CA CB THR THR THR 19 19 19 N 2 B B CE1 CZ TYR TYR 7 7 0.135 0.013 1.381 1.516 N 2 B B CZ CE2 TYR TYR 7 7 -0.132 0.013 1.381 1.249 N 3 B B CE1 CZ TYR TYR 7 7 0.123 0.013 1.381 1.504 N 3 B B CZ CE2 TYR TYR 7 7 -0.131 0.013 1.381 1.250 N 3 B B CE1 CZ TYR TYR 17 17 -0.166 0.013 1.381 1.215 N 3 B B CZ CE2 TYR TYR 17 17 0.147 0.013 1.381 1.528 N 4 A A CE1 CZ TYR TYR 12 12 0.088 0.013 1.381 1.469 N 4 A A CZ CE2 TYR TYR 12 12 -0.091 0.013 1.381 1.290 N 5 B B CE1 CZ TYR TYR 7 7 0.155 0.013 1.381 1.536 N 5 B B CZ CE2 TYR TYR 7 7 -0.155 0.013 1.381 1.226 N 5 B B CZ CE2 TYR TYR 47 47 0.085 0.013 1.381 1.466 N 6 A A CE1 CZ TYR TYR 17 17 -0.084 0.013 1.381 1.297 N 6 A A CZ CE2 TYR TYR 17 17 0.079 0.013 1.381 1.460 N 6 B B CE1 CZ TYR TYR 7 7 0.220 0.013 1.381 1.601 N 6 B B CZ CE2 TYR TYR 7 7 -0.204 0.013 1.381 1.177 N 6 B B CE1 CZ TYR TYR 17 17 -0.168 0.013 1.381 1.213 N 6 B B CZ CE2 TYR TYR 17 17 0.160 0.013 1.381 1.541 N 8 A A CE1 CZ TYR TYR 17 17 -0.090 0.013 1.381 1.291 N 8 A A CZ CE2 TYR TYR 17 17 0.080 0.013 1.381 1.461 N 8 B B CE1 CZ TYR TYR 17 17 -0.127 0.013 1.381 1.254 N 8 B B CZ CE2 TYR TYR 17 17 0.117 0.013 1.381 1.498 N 9 B B CE1 CZ TYR TYR 7 7 0.209 0.013 1.381 1.590 N 9 B B CZ CE2 TYR TYR 7 7 -0.213 0.013 1.381 1.168 N 9 B B CE1 CZ TYR TYR 17 17 -0.184 0.013 1.381 1.197 N 9 B B CZ CE2 TYR TYR 17 17 0.180 0.013 1.381 1.561 N 10 B B CE1 CZ TYR TYR 7 7 0.160 0.013 1.381 1.541 N 10 B B CZ CE2 TYR TYR 7 7 -0.163 0.013 1.381 1.218 N 10 B B CE1 CZ TYR TYR 17 17 -0.127 0.013 1.381 1.254 N 10 B B CZ CE2 TYR TYR 17 17 0.120 0.013 1.381 1.501 N 11 A A CE1 CZ TYR TYR 12 12 0.080 0.013 1.381 1.461 N 11 A A CZ CE2 TYR TYR 12 12 -0.080 0.013 1.381 1.301 N 11 B B CE1 CZ TYR TYR 7 7 0.142 0.013 1.381 1.523 N 11 B B CZ CE2 TYR TYR 7 7 -0.133 0.013 1.381 1.248 N 12 B B CE1 CZ TYR TYR 17 17 -0.095 0.013 1.381 1.286 N 12 B B CZ CE2 TYR TYR 17 17 0.086 0.013 1.381 1.467 N 13 B B CE1 CZ TYR TYR 7 7 0.182 0.013 1.381 1.563 N 13 B B CZ CE2 TYR TYR 7 7 -0.184 0.013 1.381 1.197 N 13 B B CE1 CZ TYR TYR 17 17 -0.105 0.013 1.381 1.276 N 13 B B CZ CE2 TYR TYR 17 17 0.095 0.013 1.381 1.476 N 14 B B CE1 CZ TYR TYR 12 12 0.095 0.013 1.381 1.476 N 14 B B CZ CE2 TYR TYR 12 12 -0.095 0.013 1.381 1.286 N 15 B B CE1 CZ TYR TYR 7 7 0.111 0.013 1.381 1.492 N 15 B B CZ CE2 TYR TYR 7 7 -0.112 0.013 1.381 1.269 N 16 B B CE1 CZ TYR TYR 7 7 0.178 0.013 1.381 1.559 N 16 B B CZ CE2 TYR TYR 7 7 -0.161 0.013 1.381 1.220 N 16 B B CE1 CZ TYR TYR 17 17 -0.146 0.013 1.381 1.235 N 16 B B CZ CE2 TYR TYR 17 17 0.171 0.013 1.381 1.552 N 17 B B CE1 CZ TYR TYR 7 7 0.093 0.013 1.381 1.474 N 17 B B CZ CE2 TYR TYR 7 7 -0.095 0.013 1.381 1.286 N 18 B B CE1 CZ TYR TYR 7 7 0.130 0.013 1.381 1.511 N 18 B B CZ CE2 TYR TYR 7 7 -0.133 0.013 1.381 1.248 N 20 A A CE1 CZ TYR TYR 17 17 -0.087 0.013 1.381 1.294 N 20 A A CZ CE2 TYR TYR 17 17 0.085 0.013 1.381 1.466 N 20 B B CE1 CZ TYR TYR 7 7 0.162 0.013 1.381 1.543 N 20 B B CZ CE2 TYR TYR 7 7 -0.152 0.013 1.381 1.229 N 1 A PRO 3 -67.20 -173.73 1 A GLN 26 176.79 -55.63 1 A HIS 29 -101.56 75.19 1 A ASN 46 74.48 -47.85 1 A TYR 47 59.58 96.60 1 A PRO 49 -61.93 -70.45 1 A CYS 52 -111.87 -91.59 1 A ALA 53 -173.37 72.86 1 A GLN 54 -106.72 -67.90 1 A ALA 57 -83.42 -76.21 1 A LYS 59 -130.01 -65.92 1 B GLN 26 163.63 -44.48 1 B ASN 46 74.64 -51.81 1 B TYR 47 51.21 98.45 1 B ASN 50 -153.86 72.71 1 B CYS 52 -95.85 -100.14 1 B ALA 53 -161.88 82.27 2 A PRO 3 -86.82 -109.13 2 A GLN 26 86.77 -41.09 2 A ALA 27 63.50 -121.34 2 A SER 28 -166.22 -50.05 2 A HIS 29 -99.89 -131.53 2 A VAL 30 73.93 150.40 2 A ASN 46 73.33 -45.82 2 A TYR 47 54.09 87.09 2 A ARG 51 -99.71 48.27 2 A GLN 55 -140.56 -49.02 2 A LEU 56 -179.76 -78.54 2 A LYS 59 64.86 -140.66 2 B LYS 2 -160.25 116.27 2 B GLN 26 87.94 74.16 2 B ASN 46 75.30 -57.23 2 B TYR 47 53.01 107.86 2 B ARG 51 -157.52 81.70 2 B ALA 53 64.73 -157.51 2 B GLN 55 -161.33 19.43 2 B LYS 59 -129.26 -75.54 3 A GLN 26 178.42 -58.44 3 A ASN 46 74.25 -48.00 3 A TYR 47 49.90 76.01 3 A ASN 50 -153.49 -68.49 3 A ARG 51 -90.36 -71.94 3 A CYS 52 178.33 -70.60 3 A ALA 53 -179.99 -160.14 3 A GLN 54 -64.76 -77.73 3 A GLN 55 -143.01 27.69 3 B LYS 2 -124.10 -59.84 3 B GLN 26 161.99 -46.21 3 B ALA 53 74.66 -169.62 3 B GLN 54 -84.01 -92.70 3 B LYS 59 72.35 82.08 4 A LYS 2 76.68 124.84 4 A GLN 26 102.08 79.22 4 A HIS 29 69.31 68.95 4 A ASN 46 75.44 -51.62 4 A TYR 47 43.82 90.80 4 A PRO 49 -79.34 37.15 4 A GLN 54 -99.92 -75.79 4 B GLN 18 -69.90 13.10 4 B GLN 26 92.55 82.49 4 B HIS 29 -154.23 74.88 4 B ASN 46 73.78 -47.54 4 B TYR 47 56.54 95.46 4 B ARG 51 82.96 89.13 4 B CYS 52 -100.65 -123.57 4 B ALA 53 -161.76 -87.41 4 B GLN 54 -159.57 1.48 4 B LEU 56 65.39 105.60 5 A PRO 3 -94.81 -102.94 5 A GLN 26 121.92 -21.00 5 A ALA 27 62.03 -145.10 5 A SER 28 -157.98 -46.25 5 A HIS 29 -132.05 -109.25 5 A VAL 30 71.70 154.90 5 A ASN 46 73.88 -52.74 5 A TYR 47 56.07 92.99 5 A ASN 50 -163.53 -91.44 5 A CYS 52 -122.32 -122.92 5 A GLN 54 -113.97 -168.14 5 A GLN 55 -79.24 43.05 5 A LEU 56 53.91 -116.25 5 A GLN 60 64.60 -87.65 5 B GLN 26 90.07 84.96 5 B ASN 46 74.92 -52.47 5 B TYR 47 41.33 93.24 5 B ARG 51 -144.42 -74.56 5 B CYS 52 -155.55 -36.55 5 B ALA 53 68.57 -178.45 5 B GLN 54 -99.04 -70.33 5 B SER 61 -156.67 41.94 6 A PRO 3 -63.01 -89.63 6 A GLN 26 175.23 73.36 6 A ASN 46 72.59 -45.62 6 A TYR 47 54.87 85.80 6 A ALA 53 67.84 -127.76 6 A GLN 54 -153.71 -73.05 6 A ALA 57 -150.62 89.10 6 A SER 61 71.30 -48.86 6 B SER 16 -47.89 155.06 6 B GLN 26 161.28 -41.48 6 B HIS 29 -128.65 -130.61 6 B VAL 30 71.20 157.35 6 B ASN 46 74.12 -42.46 6 B TYR 47 68.52 -71.00 6 B ILE 48 70.61 138.38 6 B ASN 50 69.64 -66.40 6 B ARG 51 -154.01 10.23 6 B CYS 52 -163.55 117.39 6 B ALA 53 -145.94 -147.83 6 B GLN 54 72.70 -18.66 6 B GLN 60 64.71 -82.22 7 A GLN 26 89.97 90.23 7 A HIS 29 -131.62 -124.55 7 A VAL 30 71.17 156.08 7 A ASN 46 74.90 -45.29 7 A TYR 47 53.61 84.15 7 A ASN 50 -118.43 -123.97 7 A CYS 52 174.19 134.30 7 A GLN 55 -172.24 -42.23 7 A LEU 56 54.50 -155.56 7 A SER 61 -99.74 -76.17 7 B PRO 3 -85.16 -156.82 7 B SER 16 -47.82 156.77 7 B GLN 26 89.78 81.33 7 B ASN 46 74.21 -45.86 7 B TYR 47 47.67 82.87 7 B ARG 51 -157.99 39.87 7 B CYS 52 -130.87 -47.45 7 B ALA 53 68.63 -167.34 7 B GLN 54 -121.08 -127.33 7 B LYS 59 -140.56 -35.02 8 A GLN 26 153.63 -42.37 8 A ALA 27 63.90 175.35 8 A SER 28 -172.92 -76.64 8 A ASN 46 73.73 -51.78 8 A TYR 47 49.75 85.56 8 A ILE 48 -124.89 -57.90 8 A ARG 51 170.36 -30.50 8 A CYS 52 -173.72 -60.12 8 A ALA 53 -177.44 -169.80 8 A GLN 60 -155.85 54.59 8 B LYS 2 68.09 105.09 8 B GLN 26 95.32 82.67 8 B ALA 32 -58.60 -71.16 8 B ASN 46 76.88 -54.21 8 B TYR 47 45.27 95.73 8 B PRO 49 -86.74 38.56 8 B ARG 51 -143.30 32.49 8 B CYS 52 -175.19 123.24 8 B ALA 53 -106.91 77.34 8 B GLN 54 -97.71 -67.73 8 B LEU 56 -161.25 117.24 8 B ALA 57 -172.19 109.41 8 B GLN 60 -150.32 -73.88 9 A GLN 26 171.83 -64.22 9 A ALA 27 66.25 68.96 9 A ALA 32 -63.08 -71.78 9 A ASN 46 70.71 -39.78 9 A ARG 51 -178.22 81.39 9 A GLN 54 -137.08 -42.71 9 A GLN 55 -76.36 30.09 9 A ALA 57 -146.72 -82.36 9 A LYS 59 -153.45 -56.49 9 B LYS 2 -173.53 -56.37 9 B SER 16 -49.68 158.92 9 B GLN 26 157.92 -41.41 9 B ALA 27 60.22 71.97 9 B ALA 32 -71.28 -70.87 9 B PRO 49 -75.83 41.86 9 B ASN 50 -164.80 -133.69 9 B ARG 51 167.51 -33.50 9 B CYS 52 79.89 108.66 9 B ALA 53 63.60 82.23 9 B GLN 54 -108.29 -75.10 9 B ALA 57 -161.51 50.17 9 B GLN 60 -107.73 -158.41 10 A PRO 3 -78.89 -77.95 10 A GLN 26 86.57 -43.63 10 A ALA 27 61.51 -134.32 10 A SER 28 -160.52 -43.98 10 A HIS 29 -106.31 -129.35 10 A VAL 30 74.84 151.53 10 A ASN 46 74.61 -47.47 10 A ASN 50 -118.39 -126.97 10 A CYS 52 179.54 130.90 10 A GLN 55 -88.72 40.28 10 A SER 61 71.17 -54.36 10 B PRO 3 -73.79 -157.38 10 B GLN 26 95.91 81.57 10 B ASN 46 73.10 -48.62 10 B CYS 52 -135.17 -55.85 10 B ALA 53 65.35 82.37 10 B GLN 54 -81.29 -78.54 11 A PRO 3 -84.18 -155.49 11 A GLN 26 -161.21 -82.99 11 A ASN 46 74.63 -47.56 11 A TYR 47 41.65 77.81 11 A ILE 48 -48.92 107.76 11 A ASN 50 -133.75 -118.64 11 A ALA 53 -172.68 -176.93 11 A GLN 55 70.22 -10.15 11 B LYS 2 65.33 72.75 11 B GLN 26 151.44 -35.63 11 B ASN 46 74.04 -51.07 11 B TYR 47 51.08 85.07 11 B ASN 50 -160.98 105.16 11 B CYS 52 -110.87 -126.28 11 B GLN 54 -146.59 -59.99 11 B LEU 56 63.23 -154.03 11 B SER 61 -156.41 33.29 12 A GLN 26 80.23 -54.74 12 A ALA 27 60.25 -115.68 12 A SER 28 179.93 -20.35 12 A ASN 46 75.04 -52.47 12 A ARG 51 170.83 -43.51 12 A CYS 52 -175.69 -113.25 12 A GLN 55 -147.01 22.74 12 A SER 61 -153.21 -65.51 12 B SER 16 -48.47 161.73 12 B GLN 18 -64.02 10.54 12 B GLN 26 88.99 81.66 12 B ALA 27 -76.69 -74.89 12 B SER 28 65.65 -9.15 12 B CYS 52 -117.79 -135.31 12 B ALA 53 179.16 -179.86 13 A GLN 26 -165.66 -75.44 13 A ASN 46 75.94 -57.51 13 A TYR 47 52.84 100.74 13 A PRO 49 -67.51 97.56 13 A ARG 51 -160.37 -54.17 13 A CYS 52 -169.41 118.78 13 A ALA 57 55.68 -95.42 13 B LYS 2 67.97 109.55 13 B SER 16 -49.76 158.62 13 B GLN 26 79.71 -39.65 13 B ALA 27 56.33 -161.64 13 B ASN 46 72.68 -48.55 13 B TYR 47 59.86 89.41 13 B ASN 50 -173.53 118.60 13 B CYS 52 -168.44 -92.89 13 B ALA 53 -167.26 -78.36 13 B GLN 54 -167.25 -99.54 13 B GLN 55 -146.42 18.95 13 B LEU 56 57.38 -99.30 14 A GLN 26 176.87 -63.13 14 A HIS 29 -156.56 85.89 14 A ASN 46 74.38 -42.20 14 A TYR 47 61.77 79.29 14 A CYS 52 -92.08 -105.19 14 A ALA 53 -164.99 74.84 14 A GLN 55 -171.57 -38.05 14 B PRO 3 -79.46 -92.85 14 B SER 16 -49.92 165.09 14 B GLN 26 171.19 -49.49 14 B ALA 32 -59.84 -72.51 14 B ASN 46 73.99 -53.88 14 B TYR 47 53.33 102.95 14 B ASN 50 -165.09 88.50 14 B CYS 52 -132.23 -120.08 14 B LEU 56 -87.88 -91.14 14 B ALA 57 -153.19 -74.36 15 A PRO 3 -85.51 -155.66 15 A GLN 26 165.32 -45.76 15 A ASN 46 75.04 -49.06 15 A PRO 49 -98.93 -142.78 15 A CYS 52 -165.28 119.21 15 A GLN 55 69.86 -59.99 15 A SER 61 -81.90 47.85 15 B SER 16 -47.35 161.98 15 B GLN 26 166.66 -54.05 15 B ASN 46 75.47 -56.50 15 B TYR 47 54.57 98.16 15 B ARG 51 -178.89 -83.69 15 B CYS 52 174.13 139.61 15 B ALA 53 -69.06 -78.00 16 A GLN 26 -171.96 -79.45 16 A ASN 46 74.86 -54.91 16 A TYR 47 61.09 111.75 16 A ARG 51 -137.73 -77.76 16 A CYS 52 -167.13 114.41 16 A GLN 54 -133.47 -91.73 16 A ALA 57 -153.13 -49.32 16 B SER 16 -49.97 154.80 16 B GLN 26 170.89 -53.67 16 B ASN 46 72.70 -46.76 16 B TYR 47 53.97 82.49 16 B ASN 50 -163.34 -122.80 16 B ARG 51 -178.43 -57.70 16 B CYS 52 -111.61 -86.24 16 B ALA 53 -170.09 65.68 17 A PRO 3 -92.40 -153.69 17 A GLN 26 84.42 -48.95 17 A ALA 27 61.21 -101.42 17 A SER 28 -175.55 -59.73 17 A HIS 29 -87.93 -121.27 17 A VAL 30 72.15 151.47 17 A ASN 46 71.49 -42.73 17 A TYR 47 53.88 83.26 17 A ASN 50 -97.68 -69.62 17 A ALA 53 -62.20 96.78 17 A GLN 54 -94.10 -76.58 17 B PRO 3 -97.13 -159.96 17 B SER 16 -49.70 155.89 17 B GLN 18 -79.73 21.57 17 B GLN 26 72.87 61.27 17 B ASN 46 78.44 -56.44 17 B TYR 47 47.00 95.71 17 B ARG 51 -170.01 -80.61 17 B ALA 53 63.74 -100.20 17 B LEU 56 -113.02 74.44 17 B GLN 60 -140.39 -87.63 18 A GLN 26 131.70 -23.11 18 A ALA 27 67.58 -175.29 18 A SER 28 -162.71 -60.70 18 A ASN 46 72.97 -40.11 18 A TYR 47 70.63 -64.52 18 A ILE 48 35.27 90.47 18 A CYS 52 -161.26 105.67 18 A ALA 53 -64.25 95.07 18 A GLN 55 77.77 -23.09 18 A ALA 57 -148.76 -87.89 18 A LYS 59 -106.64 -69.17 18 B GLN 26 156.70 -38.90 18 B ALA 32 -70.63 -74.97 18 B ASN 46 73.63 -47.25 18 B TYR 47 48.42 70.14 18 B PRO 49 -80.62 40.00 18 B GLN 54 -168.54 -70.58 18 B LEU 56 54.86 75.25 19 A GLN 26 88.59 98.29 19 A HIS 29 -102.22 79.68 19 A ASN 46 73.72 -45.51 19 A ASN 50 -179.84 -108.68 19 A ALA 53 65.56 -153.16 19 A LEU 56 59.59 -102.31 19 A ALA 57 -153.39 37.81 19 A LYS 59 68.61 179.10 19 A GLN 60 -68.09 99.15 19 B SER 16 -49.26 161.52 19 B GLN 26 94.13 86.22 19 B ASN 46 75.21 -46.46 19 B TYR 47 52.86 81.67 19 B ARG 51 -143.72 35.08 19 B CYS 52 70.47 -67.44 19 B ALA 53 178.94 149.21 19 B GLN 54 -72.70 -91.60 20 A LYS 2 70.23 160.55 20 A GLN 26 177.10 -58.10 20 A ASN 46 75.39 -58.37 20 A TYR 47 56.60 110.21 20 A PRO 49 -63.18 -84.56 20 A ASN 50 177.94 -71.21 20 A GLN 54 -145.09 -77.04 20 A LYS 59 61.57 -138.77 20 A GLN 60 58.44 -136.51 20 B GLN 18 -62.15 10.47 20 B GLN 26 157.94 -42.14 20 B ALA 32 -72.07 -73.95 20 B ASN 46 74.02 -57.71 20 B TYR 47 49.21 101.60 20 B PRO 49 -67.80 -142.06 20 B ASN 50 -82.40 41.17 20 B ARG 51 -114.20 79.95 20 B ALA 57 68.62 -58.82 20 B GLN 60 -97.15 45.73 Solution structure of a dimeric lactose DNA-binding domain complexed to a nonspecific DNA sequence 1 N N 1 N N 2 N N 2 N N A THR 5 C THR 5 HELX_P A GLY 14 C GLY 14 1 1 10 A SER 16 C SER 16 HELX_P A GLN 26 C GLN 26 1 2 11 A SER 31 C SER 31 HELX_P A LEU 45 C LEU 45 1 3 15 B THR 5 D THR 5 HELX_P B GLY 14 D GLY 14 1 4 10 B SER 16 D SER 16 HELX_P B GLN 26 D GLN 26 1 5 11 B SER 31 D SER 31 HELX_P B LEU 45 D LEU 45 1 6 15 disulf 2.031 A CYS 52 C SG CYS 52 1_555 B CYS 52 D SG CYS 52 1_555 hydrog WATSON-CRICK C DC 1 A N3 DC 1 1_555 D DG 18 B N1 DG 18 1_555 hydrog WATSON-CRICK C DC 1 A N4 DC 1 1_555 D DG 18 B O6 DG 18 1_555 hydrog WATSON-CRICK C DC 1 A O2 DC 1 1_555 D DG 18 B N2 DG 18 1_555 hydrog WATSON-CRICK C DG 2 A N1 DG 2 1_555 D DC 17 B N3 DC 17 1_555 hydrog WATSON-CRICK C DG 2 A N2 DG 2 1_555 D DC 17 B O2 DC 17 1_555 hydrog WATSON-CRICK C DG 2 A O6 DG 2 1_555 D DC 17 B N4 DC 17 1_555 hydrog WATSON-CRICK C DA 3 A N1 DA 3 1_555 D DT 16 B N3 DT 16 1_555 hydrog WATSON-CRICK C DA 3 A N6 DA 3 1_555 D DT 16 B O4 DT 16 1_555 hydrog WATSON-CRICK C DT 4 A N3 DT 4 1_555 D DA 15 B N1 DA 15 1_555 hydrog WATSON-CRICK C DT 4 A O4 DT 4 1_555 D DA 15 B N6 DA 15 1_555 hydrog WATSON-CRICK C DA 5 A N1 DA 5 1_555 D DT 14 B N3 DT 14 1_555 hydrog WATSON-CRICK C DA 5 A N6 DA 5 1_555 D DT 14 B O4 DT 14 1_555 hydrog WATSON-CRICK C DA 6 A N1 DA 6 1_555 D DT 13 B N3 DT 13 1_555 hydrog WATSON-CRICK C DA 6 A N6 DA 6 1_555 D DT 13 B O4 DT 13 1_555 hydrog WATSON-CRICK C DG 7 A N1 DG 7 1_555 D DC 12 B N3 DC 12 1_555 hydrog WATSON-CRICK C DG 7 A N2 DG 7 1_555 D DC 12 B O2 DC 12 1_555 hydrog WATSON-CRICK C DG 7 A O6 DG 7 1_555 D DC 12 B N4 DC 12 1_555 hydrog WATSON-CRICK C DA 8 A N1 DA 8 1_555 D DT 11 B N3 DT 11 1_555 hydrog WATSON-CRICK C DA 8 A N6 DA 8 1_555 D DT 11 B O4 DT 11 1_555 hydrog WATSON-CRICK C DT 9 A N3 DT 9 1_555 D DA 10 B N1 DA 10 1_555 hydrog WATSON-CRICK C DT 9 A O4 DT 9 1_555 D DA 10 B N6 DA 10 1_555 hydrog WATSON-CRICK C DA 10 A N1 DA 10 1_555 D DT 9 B N3 DT 9 1_555 hydrog WATSON-CRICK C DA 10 A N6 DA 10 1_555 D DT 9 B O4 DT 9 1_555 hydrog WATSON-CRICK C DT 11 A N3 DT 11 1_555 D DA 8 B N1 DA 8 1_555 hydrog WATSON-CRICK C DT 11 A O4 DT 11 1_555 D DA 8 B N6 DA 8 1_555 hydrog WATSON-CRICK C DC 12 A N3 DC 12 1_555 D DG 7 B N1 DG 7 1_555 hydrog WATSON-CRICK C DC 12 A N4 DC 12 1_555 D DG 7 B O6 DG 7 1_555 hydrog WATSON-CRICK C DC 12 A O2 DC 12 1_555 D DG 7 B N2 DG 7 1_555 hydrog WATSON-CRICK C DT 13 A N3 DT 13 1_555 D DA 6 B N1 DA 6 1_555 hydrog WATSON-CRICK C DT 13 A O4 DT 13 1_555 D DA 6 B N6 DA 6 1_555 hydrog WATSON-CRICK C DT 14 A N3 DT 14 1_555 D DA 5 B N1 DA 5 1_555 hydrog WATSON-CRICK C DT 14 A O4 DT 14 1_555 D DA 5 B N6 DA 5 1_555 hydrog WATSON-CRICK C DA 15 A N1 DA 15 1_555 D DT 4 B N3 DT 4 1_555 hydrog WATSON-CRICK C DA 15 A N6 DA 15 1_555 D DT 4 B O4 DT 4 1_555 hydrog WATSON-CRICK C DT 16 A N3 DT 16 1_555 D DA 3 B N1 DA 3 1_555 hydrog WATSON-CRICK C DT 16 A O4 DT 16 1_555 D DA 3 B N6 DA 3 1_555 hydrog WATSON-CRICK C DC 17 A N3 DC 17 1_555 D DG 2 B N1 DG 2 1_555 hydrog WATSON-CRICK C DC 17 A N4 DC 17 1_555 D DG 2 B O6 DG 2 1_555 hydrog WATSON-CRICK C DC 17 A O2 DC 17 1_555 D DG 2 B N2 DG 2 1_555 hydrog WATSON-CRICK C DG 18 A N1 DG 18 1_555 D DC 1 B N3 DC 1 1_555 hydrog WATSON-CRICK C DG 18 A N2 DG 18 1_555 D DC 1 B O2 DC 1 1_555 hydrog WATSON-CRICK C DG 18 A O6 DG 18 1_555 D DC 1 B N4 DC 1 1_555 TRANSCRIPTION/DNA Protein-DNA complex, Lac repressor, nonspecific interaction, TRANSCRIPTION-DNA COMPLEX LACI_ECOLI UNP 2 1 P03023 MKPVTLYDVAEYAGVSYQTVSRVVNQASHVSAKTREKVEAAMAELNYIPNRVAQQLAGKQSL 1OSL PDB 1 1OSL 1 62 1OSL 1 62 P03023 A 1 1 62 1 62 1OSL 1 62 P03023 B 1 1 62 1 18 1OSL 1 18 1OSL C 2 1 18 1 18 1OSL 1 18 1OSL D 2 1 18 1 VAL engineered mutation CYS 52 1OSL A P03023 UNP 52 52 2 VAL engineered mutation CYS 52 1OSL B P03023 UNP 52 52 1 P 1