HEADER SPLICING 31-DEC-69 5MPS TITLE Structure of a spliceosome remodeled for exon ligation COMPND MOL_ID: 7; COMPND 2 MOLECULE: Pre-mRNA-splicing factor SNU114; COMPND 3 CHAIN: C; COMPND 4 c Snu114 protein; EXPDTA ELECTRON MICROSCOPY DBREF 5MPS C 1 1008 UNP P36048 SN114_YEAST 1 1008 SEQRES 1 C 20 THR GLY GLY PHE MET SER ASN ASP GLY PRO THR LEU GLU SEQRES 2 C 20 LYS TYR ILE SER ALA GLU LEU ATOM 1 N THR C 978 286.558 331.330 354.868 1.00248.18 ATOM 2 CA THR C 978 286.277 329.890 354.886 1.00256.04 ATOM 3 C THR C 978 285.291 329.496 353.777 1.00264.28 ATOM 4 O THR C 978 284.075 329.641 353.936 1.00261.47 ATOM 5 CB THR C 978 285.708 329.459 356.256 1.00253.39 ATOM 6 OG1 THR C 978 284.498 330.177 356.530 1.00250.27 ATOM 7 CG2 THR C 978 286.716 329.733 357.368 1.00251.50 ATOM 8 N GLY C 979 285.828 329.004 352.659 1.00273.87 ATOM 9 CA GLY C 979 285.018 328.565 351.516 1.00278.25 ATOM 10 C GLY C 979 284.582 329.717 350.625 1.00277.66 ATOM 11 O GLY C 979 285.339 330.669 350.417 1.00272.78 ATOM 12 N GLY C 980 283.364 329.618 350.091 1.00275.09 ATOM 13 CA GLY C 980 282.772 330.672 349.263 1.00271.19 ATOM 14 C GLY C 980 282.082 331.732 350.104 1.00269.55 ATOM 15 O GLY C 980 282.419 332.915 350.023 1.00264.06 ATOM 16 N PHE C 981 281.119 331.295 350.915 1.00268.50 ATOM 17 CA PHE C 981 280.334 332.188 351.775 1.00265.82 ATOM 18 C PHE C 981 281.064 332.482 353.089 1.00264.51 ATOM 19 O PHE C 981 281.427 331.557 353.820 1.00266.76 ATOM 20 CB PHE C 981 278.968 331.566 352.076 1.00261.88 ATOM 21 N MET C 982 281.268 333.768 353.381 1.00254.59 ATOM 22 CA MET C 982 281.939 334.208 354.614 1.00243.64 ATOM 23 C MET C 982 281.668 335.693 354.891 1.00227.68 ATOM 24 O MET C 982 280.863 336.317 354.192 1.00221.02 ATOM 25 CB MET C 982 283.446 333.954 354.511 1.00243.34 ATOM 26 N SER C 983 282.326 336.248 355.912 1.00211.21 ATOM 27 CA SER C 983 282.177 337.668 356.249 1.00201.16 ATOM 28 C SER C 983 283.313 338.204 357.129 1.00195.86 ATOM 29 O SER C 983 283.734 337.535 358.075 1.00200.79 ATOM 30 CB SER C 983 280.837 337.895 356.954 1.00196.95 ATOM 31 N ASN C 984 283.803 339.404 356.799 1.00184.61 ATOM 32 CA ASN C 984 284.738 340.154 357.651 1.00178.41 ATOM 33 C ASN C 984 283.978 340.838 358.781 1.00191.19 ATOM 34 O ASN C 984 283.020 341.563 358.519 1.00193.84 ATOM 35 CB ASN C 984 285.480 341.211 356.833 1.00159.94 ATOM 36 N ASP C 985 284.394 340.608 360.028 1.00205.01 ATOM 37 CA ASP C 985 283.635 341.081 361.200 1.00217.68 ATOM 38 C ASP C 985 284.441 341.057 362.505 1.00218.28 ATOM 39 O ASP C 985 285.562 340.541 362.547 1.00219.65 ATOM 40 CB ASP C 985 282.341 340.256 361.363 1.00229.71 ATOM 41 CG ASP C 985 282.602 338.766 361.591 1.00235.65 ATOM 42 OD1 ASP C 985 283.666 338.255 361.173 1.00236.94 ATOM 43 OD2 ASP C 985 281.727 338.100 362.186 1.00237.09 ATOM 44 N GLY C 986 283.849 341.616 363.563 1.00210.67 ATOM 45 CA GLY C 986 284.488 341.711 364.875 1.00202.25 ATOM 46 C GLY C 986 284.501 340.426 365.681 1.00197.11 ATOM 47 O GLY C 986 283.471 339.764 365.829 1.00182.33 ATOM 48 N PRO C 987 285.683 340.072 366.213 1.00199.99 ATOM 49 CA PRO C 987 286.008 338.983 367.125 1.00204.89 ATOM 50 C PRO C 987 286.084 339.486 368.572 1.00220.25 ATOM 51 O PRO C 987 287.163 339.504 369.176 1.00213.41 ATOM 52 CB PRO C 987 287.373 338.501 366.620 1.00193.45 ATOM 53 N THR C 988 284.930 339.902 369.100 1.00239.86 ATOM 54 CA THR C 988 284.796 340.407 370.477 1.00246.51 ATOM 55 C THR C 988 283.474 339.956 371.116 1.00255.84 ATOM 56 O THR C 988 282.531 339.572 370.416 1.00264.96 ATOM 57 CB THR C 988 284.871 341.946 370.520 1.00233.09 ATOM 58 N LEU C 989 283.417 340.022 372.446 1.00252.90 ATOM 59 CA LEU C 989 282.277 339.520 373.229 1.00244.90 ATOM 60 C LEU C 989 281.136 340.545 373.349 1.00246.48 ATOM 61 O LEU C 989 281.157 341.589 372.689 1.00246.63 ATOM 62 CB LEU C 989 282.759 339.091 374.620 1.00236.48 ATOM 63 N GLU C 990 280.141 340.223 374.183 1.00244.98 ATOM 64 CA GLU C 990 278.946 341.057 374.407 1.00242.01 ATOM 65 C GLU C 990 278.004 341.117 373.198 1.00243.21 ATOM 66 O GLU C 990 277.165 342.019 373.114 1.00240.06 ATOM 67 CB GLU C 990 279.339 342.477 374.841 1.00240.23 ATOM 68 N LYS C 991 278.129 340.146 372.287 1.00253.24 ATOM 69 CA LYS C 991 277.422 340.145 370.998 1.00263.48 ATOM 70 C LYS C 991 277.654 341.425 370.175 1.00271.98 ATOM 71 O LYS C 991 276.757 341.874 369.453 1.00276.06 ATOM 72 CB LYS C 991 275.921 339.911 371.215 1.00263.91 ATOM 73 N TYR C 992 278.861 341.990 370.282 1.00274.00 ATOM 74 CA TYR C 992 279.193 343.313 369.728 1.00271.79 ATOM 75 C TYR C 992 278.296 344.423 370.302 1.00265.37 ATOM 76 O TYR C 992 277.862 345.323 369.576 1.00256.59 ATOM 77 CB TYR C 992 279.126 343.291 368.194 1.00271.83 ATOM 78 N ILE C 993 278.046 344.350 371.613 1.00262.88 ATOM 79 CA ILE C 993 277.058 345.192 372.305 1.00259.17 ATOM 80 C ILE C 993 275.653 345.083 371.692 1.00250.07 ATOM 81 O ILE C 993 274.926 346.077 371.604 1.00250.06 ATOM 82 CB ILE C 993 277.501 346.670 372.334 1.00264.01 ATOM 83 N SER C 994 275.280 343.862 371.303 1.00241.61 ATOM 84 CA SER C 994 274.067 343.592 370.519 1.00238.21 ATOM 85 C SER C 994 274.032 344.367 369.190 1.00242.07 ATOM 86 O SER C 994 273.003 344.947 368.827 1.00243.72 ATOM 87 CB SER C 994 272.813 343.880 371.352 1.00237.07 ATOM 88 N ALA C 995 275.161 344.351 368.475 1.00244.10 ATOM 89 CA ALA C 995 275.344 345.076 367.203 1.00245.62 ATOM 90 C ALA C 995 275.036 346.579 367.304 1.00246.82 ATOM 91 O ALA C 995 274.062 347.068 366.721 1.00247.64 ATOM 92 CB ALA C 995 274.527 344.421 366.091 1.00243.45 ATOM 93 N GLU C 996 275.886 347.295 368.046 1.00241.73 ATOM 94 CA GLU C 996 275.711 348.730 368.333 1.00235.35 ATOM 95 C GLU C 996 274.375 349.039 369.033 1.00235.20 ATOM 96 O GLU C 996 273.748 350.069 368.764 1.00230.49 ATOM 97 CB GLU C 996 275.858 349.562 367.051 1.00223.78 ATOM 98 N LEU C 997 273.966 348.140 369.934 1.00234.69 ATOM 99 CA LEU C 997 272.680 348.214 370.642 1.00228.65 ATOM 100 C LEU C 997 271.485 348.239 369.685 1.00225.81 ATOM 101 O LEU C 997 271.488 347.570 368.650 1.00216.27 ATOM 102 CB LEU C 997 272.643 349.430 371.573 1.00224.54 TER