HEADER CONTRACTILE PROTEIN 12-MAR-01 1I84 TITLE CRYO-EM STRUCTURE OF THE HEAVY MEROMYOSIN SUBFRAGMENT OF CHICKEN TITLE 2 GIZZARD SMOOTH MUSCLE MYOSIN WITH REGULATORY LIGHT CHAIN IN THE TITLE 3 DEPHOSPHORYLATED STATE. ONLY C ALPHAS PROVIDED FOR REGULATORY LIGHT TITLE 4 CHAIN. ONLY BACKBONE ATOMS PROVIDED FOR S2 FRAGMENT. COMPND MOL_ID: 3; COMPND 2 MOLECULE: SMOOTH MUSCLE MYOSIN REGULATORY LIGHT CHAIN; COMPND 3 CHAIN: U, Z; COMPND 4 FRAGMENT: S1 ; COMPND 5 ENGINEERED: YES; EXPDTA ELECTRON CRYSTALLOGRAPHY DBREF 1I84 U 1 166 UNP P02609 MLRS_CHICK 1 166 SEQRES 1 U 73 PHE ASP GLU THR GLU ILE GLU ASP PHE LYS GLU ALA PHE SEQRES 2 U 73 THR VAL ILE ASP GLN ASN ALA ASP GLY ILE ILE ASP LYS SEQRES 3 U 73 ASP ASP LEU ARG GLU THR PHE ALA ALA MET GLY ARG LEU SEQRES 4 U 73 ASN VAL LYS ASN GLU GLU LEU ASP ALA MET ILE LYS GLU SEQRES 5 U 73 ALA SER GLY PRO ILE ASN PHE THR VAL PHE LEU THR MET SEQRES 6 U 73 PHE GLY GLU LYS LEU LYS GLY ALA ATOM 1 CA PHE U 19 6.538 62.763 5.902 1.00 16.21 ATOM 2 CA ASP U 20 9.211 60.634 7.483 1.00 12.75 ATOM 3 CA GLU U 21 8.853 57.288 9.085 1.00 9.20 ATOM 4 CA THR U 22 10.137 58.964 12.173 1.00 68.65 ATOM 5 CA GLU U 23 7.973 62.024 11.910 1.00 18.34 ATOM 6 CA ILE U 24 5.086 59.733 11.605 1.00 19.20 ATOM 7 CA GLU U 25 6.040 57.610 14.592 1.00 23.09 ATOM 8 CA ASP U 26 6.343 60.785 16.700 1.00 1.00 ATOM 9 CA PHE U 27 2.794 61.466 15.711 1.00 8.28 ATOM 10 CA LYS U 28 1.587 58.100 16.470 1.00 6.04 ATOM 11 CA GLU U 29 2.913 58.102 19.959 1.00 29.01 ATOM 12 CA ALA U 30 1.567 61.525 20.241 1.00 7.02 ATOM 13 CA PHE U 31 -1.768 60.260 19.052 1.00 7.69 ATOM 14 CA THR U 32 -1.587 57.596 21.637 1.00 1.80 ATOM 15 CA VAL U 33 -0.944 60.003 24.521 1.00 2.28 ATOM 16 CA ILE U 34 -4.050 61.917 23.644 1.00 1.00 ATOM 17 CA ASP U 35 -6.103 58.804 23.092 1.00 6.03 ATOM 18 CA GLN U 36 -6.736 58.160 26.802 1.00 1.00 ATOM 19 CA ASN U 37 -8.989 55.207 26.159 1.00 1.00 ATOM 20 CA ALA U 38 -6.934 53.031 23.778 1.00 54.62 ATOM 21 CA ASP U 39 -10.147 52.766 21.708 1.00 6.41 ATOM 22 CA GLY U 40 -8.324 54.081 18.696 1.00 13.40 ATOM 23 CA ILE U 41 -10.305 57.277 18.196 1.00 12.50 ATOM 24 CA ILE U 42 -9.668 60.756 19.622 1.00 4.39 ATOM 25 CA ASP U 43 -12.633 62.571 21.075 1.00 1.00 ATOM 26 CA LYS U 44 -13.624 65.307 23.525 1.00 1.00 ATOM 27 CA ASP U 45 -13.160 63.034 26.490 1.00 6.40 ATOM 28 CA ASP U 46 -9.559 62.297 25.604 1.00 1.00 ATOM 29 CA LEU U 47 -8.809 65.934 25.011 1.00 1.00 ATOM 30 CA ARG U 48 -10.197 67.137 28.308 1.00 1.00 ATOM 31 CA GLU U 49 -8.115 64.625 30.117 1.00 8.94 ATOM 32 CA THR U 50 -5.045 65.118 28.000 1.00 2.86 ATOM 33 CA PHE U 51 -5.216 68.645 29.189 1.00 10.70 ATOM 34 CA ALA U 52 -6.112 68.014 32.776 1.00 22.55 ATOM 35 CA ALA U 53 -3.079 65.760 32.946 1.00 1.00 ATOM 36 CA MET U 54 -0.953 68.622 31.697 1.00 1.00 ATOM 37 CA GLY U 55 -2.353 71.022 34.257 1.00 1.75 ATOM 38 CA ARG U 56 -5.015 72.839 32.303 1.00 1.68 ATOM 39 CA LEU U 57 -8.356 72.513 34.048 1.00 71.79 ATOM 40 CA ASN U 58 -10.060 75.622 32.763 1.00 75.30 ATOM 41 CA VAL U 59 -11.278 73.930 29.624 1.00 9.17 ATOM 42 CA LYS U 60 -14.326 75.249 27.839 1.00 31.60 ATOM 43 CA ASN U 61 -16.201 73.037 25.422 1.00 1.00 ATOM 44 CA GLU U 62 -16.101 75.606 22.640 1.00 1.00 ATOM 45 CA GLU U 63 -12.403 74.997 22.700 1.00 35.78 ATOM 46 CA LEU U 64 -12.686 71.269 22.822 1.00 1.00 ATOM 47 CA ASP U 65 -15.232 71.545 20.015 1.00 1.00 ATOM 48 CA ALA U 66 -13.252 73.929 17.947 1.00 2.00 ATOM 49 CA MET U 67 -10.413 71.485 17.778 1.00 1.00 ATOM 50 CA ILE U 68 -12.742 68.721 16.836 1.00 1.00 ATOM 51 CA LYS U 69 -14.484 70.537 14.118 1.00 26.73 ATOM 52 CA GLU U 70 -11.205 70.594 12.198 1.00 12.03 ATOM 53 CA ALA U 71 -12.241 67.261 10.844 1.00 22.91 ATOM 54 CA SER U 72 -15.390 65.759 9.256 1.00 50.14 ATOM 55 CA GLY U 73 -14.914 62.287 10.685 1.00 70.63 ATOM 56 CA PRO U 74 -14.171 60.486 13.907 1.00100.00 ATOM 57 CA ILE U 75 -10.566 61.442 14.426 1.00 17.40 ATOM 58 CA ASN U 76 -8.705 58.216 13.996 1.00 5.09 ATOM 59 CA PHE U 77 -4.979 58.141 13.071 1.00 13.48 ATOM 60 CA THR U 78 -5.349 58.689 9.383 1.00 1.00 ATOM 61 CA VAL U 79 -7.697 61.647 9.827 1.00 55.52 ATOM 62 CA PHE U 80 -5.319 63.088 12.367 1.00 8.29 ATOM 63 CA LEU U 81 -2.189 62.522 10.344 1.00 1.00 ATOM 64 CA THR U 82 -3.960 63.921 7.312 1.00 3.78 ATOM 65 CA MET U 83 -5.214 66.877 9.287 1.00 2.12 ATOM 66 CA PHE U 84 -1.738 67.660 10.465 1.00 36.34 ATOM 67 CA GLY U 85 -0.056 66.894 7.199 1.00 28.25 ATOM 68 CA GLU U 86 -2.186 69.460 5.522 1.00 10.78 ATOM 69 CA LYS U 87 -1.226 72.386 7.732 1.00 4.94 ATOM 70 CA LEU U 88 2.514 71.632 7.627 1.00 2.22 ATOM 71 CA LYS U 89 2.635 71.312 3.851 1.00 60.57 ATOM 72 CA GLY U 90 5.955 73.094 3.225 1.00100.00 ATOM 73 CA ALA U 91 7.544 71.947 6.457 1.00 1.00 TER