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 D 1 360 UNP P03023 LACI_ECOLI 1 360 SEQRES 1 D 59 LYS PRO VAL THR LEU TYR ASP VAL ALA GLU TYR ALA GLY SEQRES 2 D 59 VAL SER TYR GLN THR VAL SER ARG VAL VAL ASN GLN ALA SEQRES 3 D 59 SER HIS VAL SER ALA LYS THR ARG GLU LYS VAL GLU ALA SEQRES 4 D 59 ALA MET ALA GLU LEU ASN TYR ILE PRO ASN ARG VAL ALA SEQRES 5 D 59 GLN GLN LEU ALA GLY LYS GLN ATOM 1 CA LYS D 2 31.625 41.060 42.064 1.00 15.00 ATOM 2 CA PRO D 3 29.957 42.185 38.778 1.00 15.00 ATOM 3 CA VAL D 4 30.783 45.864 38.342 1.00 15.00 ATOM 4 CA THR D 5 29.062 45.777 34.973 1.00 15.00 ATOM 5 CA LEU D 6 27.293 47.790 32.272 1.00 15.00 ATOM 6 CA TYR D 7 24.288 48.156 34.578 1.00 15.00 ATOM 7 CA ASP D 8 26.454 48.870 37.604 1.00 15.00 ATOM 8 CA VAL D 9 27.647 52.047 35.867 1.00 15.00 ATOM 9 CA ALA D 10 24.384 52.764 34.006 1.00 15.00 ATOM 10 CA GLU D 11 22.741 53.519 37.354 1.00 15.00 ATOM 11 CA TYR D 12 25.678 55.655 38.450 1.00 15.00 ATOM 12 CA ALA D 13 26.256 57.652 35.268 1.00 15.00 ATOM 13 CA GLY D 14 22.521 57.427 34.755 1.00 15.00 ATOM 14 CA VAL D 15 23.046 56.665 31.077 1.00 15.00 ATOM 15 CA SER D 16 21.776 53.642 29.169 1.00 15.00 ATOM 16 CA TYR D 17 23.772 50.412 29.130 1.00 15.00 ATOM 17 CA GLN D 18 24.312 51.010 25.425 1.00 15.00 ATOM 18 CA THR D 19 25.910 54.368 26.192 1.00 15.00 ATOM 19 CA VAL D 20 27.666 52.638 29.104 1.00 15.00 ATOM 20 CA SER D 21 29.239 50.112 26.775 1.00 15.00 ATOM 21 CA ARG D 22 29.579 53.302 24.771 1.00 15.00 ATOM 22 CA VAL D 23 32.604 55.525 25.445 1.00 15.00 ATOM 23 CA VAL D 24 34.379 52.407 26.719 1.00 15.00 ATOM 24 CA ASN D 25 33.675 49.287 24.586 1.00 15.00 ATOM 25 CA GLN D 26 34.957 50.577 21.180 1.00 15.00 ATOM 26 CA ALA D 27 34.110 54.290 21.573 1.00 15.00 ATOM 27 CA SER D 28 32.137 56.404 19.119 1.00 15.00 ATOM 28 CA HIS D 29 30.128 59.577 19.715 1.00 15.00 ATOM 29 CA VAL D 30 28.608 60.912 22.926 1.00 15.00 ATOM 30 CA SER D 31 28.541 63.875 25.335 1.00 15.00 ATOM 31 CA ALA D 32 32.014 64.113 26.874 1.00 15.00 ATOM 32 CA LYS D 33 30.659 65.003 30.312 1.00 15.00 ATOM 33 CA THR D 34 28.237 62.101 30.133 1.00 15.00 ATOM 34 CA ARG D 35 31.312 60.078 29.249 1.00 15.00 ATOM 35 CA GLU D 36 32.813 61.703 32.370 1.00 15.00 ATOM 36 CA LYS D 37 30.256 60.232 34.758 1.00 15.00 ATOM 37 CA VAL D 38 31.032 57.106 32.739 1.00 15.00 ATOM 38 CA GLU D 39 34.803 57.788 32.822 1.00 15.00 ATOM 39 CA ALA D 40 34.594 57.877 36.617 1.00 15.00 ATOM 40 CA ALA D 41 32.264 54.854 36.777 1.00 15.00 ATOM 41 CA MET D 42 35.251 53.092 35.206 1.00 15.00 ATOM 42 CA ALA D 43 37.237 53.890 38.356 1.00 15.00 ATOM 43 CA GLU D 44 35.974 53.201 41.916 1.00 15.00 ATOM 44 CA LEU D 45 33.435 50.551 40.915 1.00 15.00 ATOM 45 CA ASN D 46 36.183 49.489 38.543 1.00 15.00 ATOM 46 CA TYR D 47 34.008 48.309 35.678 1.00 15.00 ATOM 47 CA ILE D 48 35.581 45.286 34.012 1.00 15.00 ATOM 48 CA PRO D 49 34.146 43.643 30.863 1.00 15.00 ATOM 49 CA ASN D 50 33.315 40.012 31.529 1.00 15.00 ATOM 50 CA ARG D 51 34.632 39.126 28.073 1.00 15.00 ATOM 51 CA VAL D 52 32.410 36.014 27.977 1.00 15.00 ATOM 52 CA ALA D 53 29.313 38.232 27.751 1.00 15.00 ATOM 53 CA GLN D 54 30.776 40.282 24.882 1.00 15.00 ATOM 54 CA GLN D 55 32.407 37.141 23.467 1.00 15.00 ATOM 55 CA LEU D 56 28.936 35.574 23.254 1.00 15.00 ATOM 56 CA ALA D 57 26.998 37.825 20.883 1.00 15.00 ATOM 57 CA GLY D 58 29.845 40.298 20.510 1.00 15.00 ATOM 58 CA LYS D 59 32.268 39.115 17.852 1.00 15.00 ATOM 59 CA GLN D 60 35.767 38.169 18.942 1.00 15.00 TER