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 B 1 360 UNP P03023 LACI_ECOLI 1 360 SEQRES 1 B 59 LYS PRO VAL THR LEU TYR ASP VAL ALA GLU TYR ALA GLY SEQRES 2 B 59 VAL SER TYR GLN THR VAL SER ARG VAL VAL ASN GLN ALA SEQRES 3 B 59 SER HIS VAL SER ALA LYS THR ARG GLU LYS VAL GLU ALA SEQRES 4 B 59 ALA MET ALA GLU LEU ASN TYR ILE PRO ASN ARG VAL ALA SEQRES 5 B 59 GLN GLN LEU ALA GLY LYS GLN ATOM 1 CA LYS B 2 33.677 -40.815 10.351 1.00 15.00 ATOM 2 CA PRO B 3 31.132 -41.496 13.165 1.00 15.00 ATOM 3 CA VAL B 4 31.779 -45.034 14.353 1.00 15.00 ATOM 4 CA THR B 5 29.168 -44.527 17.044 1.00 15.00 ATOM 5 CA LEU B 6 26.686 -46.192 19.414 1.00 15.00 ATOM 6 CA TYR B 7 24.479 -47.009 16.426 1.00 15.00 ATOM 7 CA ASP B 8 27.406 -48.071 14.280 1.00 15.00 ATOM 8 CA VAL B 9 28.035 -50.908 16.754 1.00 15.00 ATOM 9 CA ALA B 10 24.370 -51.477 17.699 1.00 15.00 ATOM 10 CA GLU B 11 23.763 -52.774 14.171 1.00 15.00 ATOM 11 CA TYR B 12 26.884 -54.935 14.289 1.00 15.00 ATOM 12 CA ALA B 13 26.516 -56.417 17.769 1.00 15.00 ATOM 13 CA GLY B 14 22.788 -56.262 17.152 1.00 15.00 ATOM 14 CA VAL B 15 22.233 -54.954 20.674 1.00 15.00 ATOM 15 CA SER B 16 20.481 -51.739 21.651 1.00 15.00 ATOM 16 CA TYR B 17 22.395 -48.460 21.774 1.00 15.00 ATOM 17 CA GLN B 18 21.847 -48.485 25.531 1.00 15.00 ATOM 18 CA THR B 19 23.577 -51.855 25.768 1.00 15.00 ATOM 19 CA VAL B 20 26.105 -50.502 23.236 1.00 15.00 ATOM 20 CA SER B 21 26.952 -47.600 25.520 1.00 15.00 ATOM 21 CA ARG B 22 26.694 -50.453 27.988 1.00 15.00 ATOM 22 CA VAL B 23 29.772 -52.628 28.556 1.00 15.00 ATOM 23 CA VAL B 24 31.851 -49.660 27.382 1.00 15.00 ATOM 24 CA ASN B 25 30.576 -46.288 28.719 1.00 15.00 ATOM 25 CA GLN B 26 30.830 -47.018 32.509 1.00 15.00 ATOM 26 CA ALA B 27 30.112 -50.789 32.457 1.00 15.00 ATOM 27 CA SER B 28 27.511 -52.594 34.542 1.00 15.00 ATOM 28 CA HIS B 29 25.737 -55.893 33.886 1.00 15.00 ATOM 29 CA VAL B 30 25.196 -57.742 30.612 1.00 15.00 ATOM 30 CA SER B 31 25.815 -61.022 28.770 1.00 15.00 ATOM 31 CA ALA B 32 29.582 -61.349 28.332 1.00 15.00 ATOM 32 CA LYS B 33 29.271 -62.789 24.830 1.00 15.00 ATOM 33 CA THR B 34 26.906 -59.984 23.862 1.00 15.00 ATOM 34 CA ARG B 35 29.615 -57.736 25.273 1.00 15.00 ATOM 35 CA GLU B 36 31.934 -59.738 22.996 1.00 15.00 ATOM 36 CA LYS B 37 30.181 -58.730 19.786 1.00 15.00 ATOM 37 CA VAL B 38 30.364 -55.323 21.434 1.00 15.00 ATOM 38 CA GLU B 39 33.989 -55.853 22.540 1.00 15.00 ATOM 39 CA ALA B 40 34.873 -56.507 18.906 1.00 15.00 ATOM 40 CA ALA B 41 32.707 -53.636 17.635 1.00 15.00 ATOM 41 CA MET B 42 35.123 -51.549 19.702 1.00 15.00 ATOM 42 CA ALA B 43 37.931 -52.718 17.407 1.00 15.00 ATOM 43 CA GLU B 44 37.748 -52.599 13.565 1.00 15.00 ATOM 44 CA LEU B 45 35.036 -49.941 13.391 1.00 15.00 ATOM 45 CA ASN B 46 36.995 -48.441 16.262 1.00 15.00 ATOM 46 CA TYR B 47 34.089 -46.935 18.173 1.00 15.00 ATOM 47 CA ILE B 48 35.126 -43.634 19.732 1.00 15.00 ATOM 48 CA PRO B 49 32.860 -41.619 22.064 1.00 15.00 ATOM 49 CA ASN B 50 32.275 -38.154 20.646 1.00 15.00 ATOM 50 CA ARG B 51 32.537 -36.720 24.162 1.00 15.00 ATOM 51 CA VAL B 52 30.396 -33.720 23.146 1.00 15.00 ATOM 52 CA ALA B 53 27.362 -35.993 22.810 1.00 15.00 ATOM 53 CA GLN B 54 27.932 -37.538 26.254 1.00 15.00 ATOM 54 CA GLN B 55 29.098 -34.166 27.593 1.00 15.00 ATOM 55 CA LEU B 56 25.716 -32.730 26.558 1.00 15.00 ATOM 56 CA ALA B 57 23.173 -34.686 28.588 1.00 15.00 ATOM 57 CA GLY B 58 25.768 -36.966 30.132 1.00 15.00 ATOM 58 CA LYS B 59 27.338 -35.303 33.157 1.00 15.00 ATOM 59 CA GLN B 60 31.005 -34.394 32.980 1.00 15.00 TER