HEADER TRANSCRIPTION/DNA 03-JAN-96 1LBG TITLE LACTOSE OPERON REPRESSOR BOUND TO 21-BASE PAIR SYMMETRIC OPERATOR TITLE 2 DNA, ALPHA CARBONS ONLY COMPND MOL_ID: 2; COMPND 2 MOLECULE: PROTEIN (LACTOSE OPERON REPRESSOR); COMPND 3 CHAIN: A, B, C, D; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 4.80 ANGSTORMS DBREF 1LBG C 1 360 UNP P03023 LACI_ECOLI 1 360 SEQRES 1 C 59 LYS PRO VAL THR LEU TYR ASP VAL ALA GLU TYR ALA GLY SEQRES 2 C 59 VAL SER TYR GLN THR VAL SER ARG VAL VAL ASN GLN ALA SEQRES 3 C 59 SER HIS VAL SER ALA LYS THR ARG GLU LYS VAL GLU ALA SEQRES 4 C 59 ALA MET ALA GLU LEU ASN TYR ILE PRO ASN ARG VAL ALA SEQRES 5 C 59 GLN GLN LEU ALA GLY LYS GLN ATOM 1 CA LYS C 2 28.047 26.436 12.817 1.00 15.00 ATOM 2 CA PRO C 3 25.972 26.311 16.069 1.00 15.00 ATOM 3 CA VAL C 4 24.852 22.712 16.496 1.00 15.00 ATOM 4 CA THR C 5 23.326 23.667 19.826 1.00 15.00 ATOM 5 CA LEU C 6 20.737 22.816 22.484 1.00 15.00 ATOM 6 CA TYR C 7 17.999 23.965 20.104 1.00 15.00 ATOM 7 CA ASP C 8 19.588 22.249 17.128 1.00 15.00 ATOM 8 CA VAL C 9 19.014 18.910 18.876 1.00 15.00 ATOM 9 CA ALA C 10 15.783 19.917 20.668 1.00 15.00 ATOM 10 CA GLU C 11 14.061 20.048 17.273 1.00 15.00 ATOM 11 CA TYR C 12 15.579 16.730 16.229 1.00 15.00 ATOM 12 CA ALA C 13 15.021 14.739 19.417 1.00 15.00 ATOM 13 CA GLY C 14 11.871 16.785 19.847 1.00 15.00 ATOM 14 CA VAL C 15 12.626 17.220 23.543 1.00 15.00 ATOM 15 CA SER C 16 12.971 20.489 25.435 1.00 15.00 ATOM 16 CA TYR C 17 16.312 22.304 25.529 1.00 15.00 ATOM 17 CA GLN C 18 16.403 21.550 29.240 1.00 15.00 ATOM 18 CA THR C 19 16.140 17.829 28.503 1.00 15.00 ATOM 19 CA VAL C 20 18.589 18.444 25.637 1.00 15.00 ATOM 20 CA SER C 21 21.154 19.881 28.016 1.00 15.00 ATOM 21 CA ARG C 22 19.828 16.948 30.000 1.00 15.00 ATOM 22 CA VAL C 23 21.370 13.512 29.402 1.00 15.00 ATOM 23 CA VAL C 24 24.480 15.331 28.179 1.00 15.00 ATOM 24 CA ASN C 25 25.365 18.414 30.304 1.00 15.00 ATOM 25 CA GLN C 26 25.764 16.674 33.725 1.00 15.00 ATOM 26 CA ALA C 27 23.202 13.866 33.302 1.00 15.00 ATOM 27 CA SER C 28 20.391 13.025 35.703 1.00 15.00 ATOM 28 CA HIS C 29 17.079 11.268 35.053 1.00 15.00 ATOM 29 CA VAL C 30 15.170 10.826 31.795 1.00 15.00 ATOM 30 CA SER C 31 13.707 8.278 29.372 1.00 15.00 ATOM 31 CA ALA C 32 16.633 6.335 27.915 1.00 15.00 ATOM 32 CA LYS C 33 15.098 6.207 24.443 1.00 15.00 ATOM 33 CA THR C 34 14.420 9.936 24.582 1.00 15.00 ATOM 34 CA ARG C 35 18.076 10.167 25.545 1.00 15.00 ATOM 35 CA GLU C 36 18.637 7.996 22.451 1.00 15.00 ATOM 36 CA LYS C 37 17.204 10.520 20.011 1.00 15.00 ATOM 37 CA VAL C 38 19.380 12.861 22.057 1.00 15.00 ATOM 38 CA GLU C 39 22.325 10.405 22.059 1.00 15.00 ATOM 39 CA ALA C 40 22.171 10.407 18.258 1.00 15.00 ATOM 40 CA ALA C 41 21.653 14.179 18.063 1.00 15.00 ATOM 41 CA MET C 42 25.082 14.247 19.707 1.00 15.00 ATOM 42 CA ALA C 43 26.482 12.545 16.599 1.00 15.00 ATOM 43 CA GLU C 44 25.807 13.745 13.012 1.00 15.00 ATOM 44 CA LEU C 45 24.891 17.312 13.968 1.00 15.00 ATOM 45 CA ASN C 46 27.753 16.881 16.410 1.00 15.00 ATOM 46 CA TYR C 47 26.384 19.017 19.232 1.00 15.00 ATOM 47 CA ILE C 48 29.211 20.877 20.941 1.00 15.00 ATOM 48 CA PRO C 49 28.715 23.037 24.060 1.00 15.00 ATOM 49 CA ASN C 50 29.807 26.592 23.395 1.00 15.00 ATOM 50 CA ARG C 51 31.308 26.748 26.888 1.00 15.00 ATOM 51 CA VAL C 52 30.917 30.550 26.954 1.00 15.00 ATOM 52 CA ALA C 53 27.122 30.157 27.090 1.00 15.00 ATOM 53 CA GLN C 54 27.317 27.669 29.985 1.00 15.00 ATOM 54 CA GLN C 55 30.261 29.604 31.451 1.00 15.00 ATOM 55 CA LEU C 56 28.014 32.684 31.591 1.00 15.00 ATOM 56 CA ALA C 57 25.165 31.701 33.903 1.00 15.00 ATOM 57 CA GLY C 58 26.399 28.146 34.333 1.00 15.00 ATOM 58 CA LYS C 59 29.041 27.997 37.050 1.00 15.00 ATOM 59 CA GLN C 60 32.569 27.079 36.044 1.00 15.00 TER