HEADER HYDROLASE 31-DEC-69 3QNF TITLE Crystal structure of the open state of human endoplasmic reticulum TITLE 2 aminopeptidase 1 ERAP1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: Endoplasmic reticulum aminopeptidase 1; COMPND 3 CHAIN: A, B, C; COMPND 4 EC: 3.4.11.-; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.00 ANGSTORMS DBREF 3QNF A 1 941 UNP Q9NZ08 ERAP1_HUMAN 1 941 MODRES 3QNF ASN A 76 ASN GLYCOSYLATION SITE SEQRES 1 A 6 ARG LYS TRP LYS GLU SER SEQRES 1 A 11 GLN ILE GLU PHE ALA LEU CYS ARG THR GLN ASN SEQRES 1 A 21 ILE GLU GLU ASN ILE GLY TRP MET ASP LYS ASN PHE ASP SEQRES 2 A 21 LYS ILE ARG VAL TRP LEU GLN SER ATOM 1 N ARG A 752 4.305 60.660 38.462 1.00100.32 ATOM 2 CA ARG A 752 3.548 61.007 39.669 1.00102.39 ATOM 3 C ARG A 752 2.580 59.885 40.071 1.00104.06 ATOM 4 O ARG A 752 2.281 59.714 41.257 1.00105.94 ATOM 5 CB ARG A 752 2.776 62.314 39.488 1.00102.80 ATOM 6 CG ARG A 752 3.655 63.550 39.305 1.00104.08 ATOM 7 CD ARG A 752 2.924 64.827 39.723 1.00106.74 ATOM 8 NE ARG A 752 1.477 64.726 39.513 1.00107.18 ATOM 9 CZ ARG A 752 0.847 64.929 38.357 1.00103.82 ATOM 10 NH1 ARG A 752 1.513 65.266 37.255 1.00102.23 ATOM 11 NH2 ARG A 752 -0.472 64.795 38.305 1.00105.38 ATOM 12 N LYS A 753 2.090 59.130 39.086 1.00103.91 ATOM 13 CA LYS A 753 1.305 57.921 39.357 1.00103.63 ATOM 14 C LYS A 753 2.181 56.823 39.982 1.00104.43 ATOM 15 O LYS A 753 1.697 56.025 40.790 1.00105.48 ATOM 16 CB LYS A 753 0.641 57.407 38.077 1.00102.55 ATOM 17 N TRP A 754 3.462 56.790 39.598 1.00103.53 ATOM 18 CA TRP A 754 4.456 55.899 40.213 1.00101.65 ATOM 19 C TRP A 754 5.112 56.534 41.445 1.00101.88 ATOM 20 O TRP A 754 5.847 55.860 42.172 1.00103.67 ATOM 21 CB TRP A 754 5.534 55.505 39.202 1.00 99.61 ATOM 22 N LYS A 755 4.864 57.827 41.661 1.00100.56 ATOM 23 CA LYS A 755 5.216 58.494 42.922 1.00100.19 ATOM 24 C LYS A 755 4.287 58.032 44.056 1.00 98.98 ATOM 25 O LYS A 755 4.724 57.864 45.198 1.00 95.48 ATOM 26 CB LYS A 755 5.148 60.018 42.770 1.00 99.87 ATOM 27 N GLU A 756 3.007 57.840 43.735 1.00 98.58 ATOM 28 CA GLU A 756 2.060 57.208 44.654 1.00 97.77 ATOM 29 C GLU A 756 2.417 55.721 44.810 1.00 97.34 ATOM 30 O GLU A 756 1.823 54.856 44.159 1.00 97.61 ATOM 31 CB GLU A 756 0.621 57.372 44.147 1.00 95.85 ATOM 32 N SER A 757 3.403 55.450 45.669 1.00 96.08 ATOM 33 CA SER A 757 3.940 54.099 45.898 1.00 95.60 ATOM 34 C SER A 757 4.947 53.709 44.819 1.00 95.13 ATOM 35 O SER A 757 6.139 53.572 45.090 1.00 92.81 ATOM 36 CB SER A 757 2.820 53.055 45.977 1.00 95.24 TER ATOM 1 N GLN A 800 18.795 50.908 33.467 1.00 61.24 ATOM 2 CA GLN A 800 17.458 51.486 33.610 1.00 62.00 ATOM 3 C GLN A 800 17.438 52.655 34.613 1.00 62.29 ATOM 4 O GLN A 800 17.348 53.823 34.212 1.00 61.03 ATOM 5 CB GLN A 800 16.445 50.405 34.024 1.00 62.64 ATOM 6 N ILE A 801 17.524 52.345 35.910 1.00 61.50 ATOM 7 CA ILE A 801 17.455 53.381 36.956 1.00 61.19 ATOM 8 C ILE A 801 18.703 54.275 36.963 1.00 62.14 ATOM 9 O ILE A 801 18.653 55.404 37.463 1.00 61.31 ATOM 10 CB ILE A 801 17.252 52.779 38.363 1.00 57.18 ATOM 11 N GLU A 802 19.811 53.760 36.417 1.00 62.32 ATOM 12 CA GLU A 802 21.020 54.557 36.181 1.00 60.64 ATOM 13 C GLU A 802 20.769 55.529 35.033 1.00 59.44 ATOM 14 O GLU A 802 21.092 56.719 35.139 1.00 57.74 ATOM 15 CB GLU A 802 22.224 53.662 35.850 1.00 60.05 ATOM 16 N PHE A 803 20.182 55.014 33.950 1.00 57.75 ATOM 17 CA PHE A 803 19.896 55.811 32.751 1.00 59.53 ATOM 18 C PHE A 803 19.179 57.113 33.090 1.00 61.38 ATOM 19 O PHE A 803 19.709 58.203 32.838 1.00 60.48 ATOM 20 CB PHE A 803 19.043 55.012 31.754 1.00 58.84 ATOM 21 N ALA A 804 17.983 56.985 33.673 1.00 62.36 ATOM 22 CA ALA A 804 17.151 58.143 34.030 1.00 61.45 ATOM 23 C ALA A 804 17.846 59.069 35.042 1.00 60.72 ATOM 24 O ALA A 804 17.787 60.296 34.909 1.00 61.25 ATOM 25 CB ALA A 804 15.786 57.686 34.565 1.00 59.18 ATOM 26 N LEU A 805 18.524 58.486 36.035 1.00 60.39 ATOM 27 CA LEU A 805 19.207 59.280 37.072 1.00 58.58 ATOM 28 C LEU A 805 20.508 59.917 36.575 1.00 57.53 ATOM 29 O LEU A 805 21.129 60.677 37.318 1.00 56.22 ATOM 30 CB LEU A 805 19.474 58.443 38.331 1.00 55.44 ATOM 31 N CYS A 806 20.912 59.617 35.337 1.00 56.97 ATOM 32 CA CYS A 806 22.077 60.266 34.716 1.00 58.55 ATOM 33 C CYS A 806 21.701 61.302 33.658 1.00 58.34 ATOM 34 O CYS A 806 22.288 62.386 33.615 1.00 58.83 ATOM 35 CB CYS A 806 23.015 59.225 34.104 1.00 58.94 ATOM 36 SG CYS A 806 23.974 58.336 35.341 1.00 59.07 ATOM 37 N ARG A 807 20.741 60.971 32.798 1.00 59.94 ATOM 38 CA ARG A 807 20.267 61.915 31.781 1.00 62.03 ATOM 39 C ARG A 807 19.442 63.005 32.469 1.00 62.77 ATOM 40 O ARG A 807 18.220 63.075 32.318 1.00 62.33 ATOM 41 CB ARG A 807 19.454 61.196 30.694 1.00 62.53 ATOM 42 N THR A 808 20.141 63.834 33.242 1.00 64.51 ATOM 43 CA THR A 808 19.549 64.921 34.017 1.00 65.98 ATOM 44 C THR A 808 20.536 66.093 33.963 1.00 67.21 ATOM 45 O THR A 808 21.747 65.889 34.115 1.00 66.54 ATOM 46 CB THR A 808 19.255 64.484 35.491 1.00 65.65 ATOM 47 OG1 THR A 808 18.694 65.578 36.235 1.00 62.49 ATOM 48 CG2 THR A 808 20.524 63.985 36.188 1.00 65.86 ATOM 49 N GLN A 809 20.018 67.302 33.728 1.00 67.96 ATOM 50 CA GLN A 809 20.848 68.485 33.466 1.00 69.17 ATOM 51 C GLN A 809 21.153 69.297 34.746 1.00 70.54 ATOM 52 O GLN A 809 20.892 70.507 34.814 1.00 68.16 ATOM 53 CB GLN A 809 20.170 69.365 32.404 1.00 66.69 ATOM 54 N ASN A 810 21.723 68.621 35.746 1.00 71.40 ATOM 55 CA ASN A 810 22.069 69.241 37.031 1.00 71.73 ATOM 56 C ASN A 810 23.537 69.680 37.073 1.00 70.96 ATOM 57 O ASN A 810 24.317 69.227 37.912 1.00 70.00 ATOM 58 CB ASN A 810 21.765 68.277 38.185 1.00 70.17 TER ATOM 1 N ILE A 915 38.875 59.847 17.049 1.00 61.35 ATOM 2 CA ILE A 915 38.688 61.295 17.041 1.00 61.74 ATOM 3 C ILE A 915 39.057 61.926 15.682 1.00 64.20 ATOM 4 O ILE A 915 38.462 62.933 15.276 1.00 63.73 ATOM 5 CB ILE A 915 39.498 61.969 18.174 1.00 58.73 ATOM 6 N GLU A 916 40.029 61.335 14.985 1.00 66.70 ATOM 7 CA GLU A 916 40.423 61.797 13.641 1.00 68.22 ATOM 8 C GLU A 916 39.313 61.589 12.579 1.00 67.67 ATOM 9 O GLU A 916 39.175 62.399 11.653 1.00 67.34 ATOM 10 CB GLU A 916 41.729 61.116 13.197 1.00 67.21 ATOM 11 N GLU A 917 38.534 60.511 12.715 1.00 66.53 ATOM 12 CA GLU A 917 37.360 60.280 11.855 1.00 65.34 ATOM 13 C GLU A 917 36.334 61.393 12.069 1.00 62.84 ATOM 14 O GLU A 917 35.770 61.940 11.111 1.00 60.65 ATOM 15 CB GLU A 917 36.720 58.911 12.143 1.00 63.30 ATOM 16 N ASN A 918 36.105 61.720 13.340 1.00 61.25 ATOM 17 CA ASN A 918 35.250 62.840 13.708 1.00 61.22 ATOM 18 C ASN A 918 35.753 64.141 13.074 1.00 61.45 ATOM 19 O ASN A 918 35.068 64.727 12.225 1.00 61.26 ATOM 20 CB ASN A 918 35.183 62.985 15.233 1.00 61.13 ATOM 21 N ILE A 919 36.961 64.560 13.469 1.00 60.43 ATOM 22 CA ILE A 919 37.566 65.822 13.003 1.00 57.84 ATOM 23 C ILE A 919 37.327 66.047 11.510 1.00 56.30 ATOM 24 O ILE A 919 37.003 67.159 11.087 1.00 54.46 ATOM 25 CB ILE A 919 39.095 65.876 13.294 1.00 54.85 ATOM 26 N GLY A 920 37.477 64.981 10.725 1.00 56.73 ATOM 27 CA GLY A 920 37.211 65.027 9.288 1.00 57.69 ATOM 28 C GLY A 920 35.728 65.095 8.959 1.00 55.98 ATOM 29 O GLY A 920 35.301 65.923 8.142 1.00 51.93 ATOM 30 N TRP A 921 34.940 64.224 9.588 1.00 54.71 ATOM 31 CA TRP A 921 33.503 64.227 9.359 1.00 54.15 ATOM 32 C TRP A 921 33.007 65.659 9.473 1.00 55.44 ATOM 33 O TRP A 921 32.543 66.228 8.482 1.00 56.40 ATOM 34 CB TRP A 921 32.759 63.317 10.345 1.00 53.97 ATOM 35 CG TRP A 921 31.324 63.031 9.932 1.00 54.26 ATOM 36 CD1 TRP A 921 30.871 61.938 9.243 1.00 53.91 ATOM 37 CD2 TRP A 921 30.173 63.851 10.178 1.00 51.80 ATOM 38 NE1 TRP A 921 29.513 62.027 9.044 1.00 54.80 ATOM 39 CE2 TRP A 921 29.059 63.190 9.609 1.00 53.13 ATOM 40 CE3 TRP A 921 29.972 65.077 10.825 1.00 53.43 ATOM 41 CZ2 TRP A 921 27.763 63.719 9.661 1.00 53.68 ATOM 42 CZ3 TRP A 921 28.674 65.607 10.879 1.00 53.14 ATOM 43 CH2 TRP A 921 27.590 64.926 10.299 1.00 53.85 ATOM 44 N MET A 922 33.162 66.250 10.663 1.00 56.09 ATOM 45 CA MET A 922 32.656 67.609 10.940 1.00 56.72 ATOM 46 C MET A 922 33.342 68.666 10.064 1.00 57.90 ATOM 47 O MET A 922 32.718 69.668 9.697 1.00 57.77 ATOM 48 CB MET A 922 32.799 67.965 12.427 1.00 53.13 ATOM 49 N ASP A 923 34.610 68.429 9.716 1.00 59.79 ATOM 50 CA ASP A 923 35.358 69.326 8.821 1.00 60.66 ATOM 51 C ASP A 923 34.696 69.413 7.433 1.00 58.71 ATOM 52 O ASP A 923 34.526 70.508 6.884 1.00 57.14 ATOM 53 CB ASP A 923 36.831 68.889 8.701 1.00 60.36 ATOM 54 N LYS A 924 34.315 68.266 6.875 1.00 57.30 ATOM 55 CA LYS A 924 33.590 68.254 5.608 1.00 57.04 ATOM 56 C LYS A 924 32.132 68.635 5.832 1.00 56.99 ATOM 57 O LYS A 924 31.567 69.425 5.074 1.00 56.28 ATOM 58 CB LYS A 924 33.670 66.876 4.946 1.00 55.53 ATOM 59 N ASN A 925 31.545 68.105 6.904 1.00 57.20 ATOM 60 CA ASN A 925 30.086 67.993 7.012 1.00 59.35 ATOM 61 C ASN A 925 29.358 69.106 7.791 1.00 59.50 ATOM 62 O ASN A 925 28.162 69.345 7.548 1.00 60.38 ATOM 63 CB ASN A 925 29.712 66.605 7.581 1.00 60.28 ATOM 64 CG ASN A 925 30.304 65.440 6.757 1.00 60.02 ATOM 65 OD1 ASN A 925 31.054 65.654 5.800 1.00 57.14 ATOM 66 ND2 ASN A 925 29.963 64.212 7.131 1.00 45.66 ATOM 67 N PHE A 926 30.057 69.784 8.705 1.00 57.73 ATOM 68 CA PHE A 926 29.424 70.828 9.542 1.00 56.97 ATOM 69 C PHE A 926 28.727 71.924 8.713 1.00 56.62 ATOM 70 O PHE A 926 27.503 72.095 8.796 1.00 53.72 ATOM 71 CB PHE A 926 30.446 71.467 10.497 1.00 53.90 ATOM 72 N ASP A 927 29.512 72.644 7.913 1.00 57.19 ATOM 73 CA ASP A 927 29.010 73.783 7.127 1.00 58.71 ATOM 74 C ASP A 927 27.845 73.391 6.201 1.00 56.51 ATOM 75 O ASP A 927 26.779 74.029 6.206 1.00 51.94 ATOM 76 CB ASP A 927 30.154 74.412 6.310 1.00 58.79 ATOM 77 N LYS A 928 28.057 72.334 5.419 1.00 55.35 ATOM 78 CA LYS A 928 27.037 71.829 4.495 1.00 52.92 ATOM 79 C LYS A 928 25.742 71.528 5.251 1.00 49.69 ATOM 80 O LYS A 928 24.661 71.938 4.825 1.00 47.90 ATOM 81 CB LYS A 928 27.540 70.580 3.747 1.00 51.29 ATOM 82 N ILE A 929 25.866 70.839 6.386 1.00 48.46 ATOM 83 CA ILE A 929 24.706 70.506 7.226 1.00 48.69 ATOM 84 C ILE A 929 23.993 71.780 7.733 1.00 49.18 ATOM 85 O ILE A 929 22.756 71.816 7.836 1.00 46.01 ATOM 86 CB ILE A 929 25.114 69.602 8.424 1.00 45.62 ATOM 87 N ARG A 930 24.781 72.817 8.040 1.00 50.24 ATOM 88 CA ARG A 930 24.230 74.102 8.477 1.00 51.25 ATOM 89 C ARG A 930 23.525 74.766 7.305 1.00 50.08 ATOM 90 O ARG A 930 22.341 75.136 7.406 1.00 50.42 ATOM 91 CB ARG A 930 25.318 75.038 9.029 1.00 52.49 ATOM 92 CG ARG A 930 24.755 76.244 9.806 1.00 57.04 ATOM 93 CD ARG A 930 25.722 77.439 9.852 1.00 64.03 ATOM 94 NE ARG A 930 25.604 78.317 8.673 1.00 68.86 ATOM 95 CZ ARG A 930 26.488 78.412 7.671 1.00 68.54 ATOM 96 NH1 ARG A 930 27.610 77.682 7.658 1.00 68.59 ATOM 97 NH2 ARG A 930 26.250 79.253 6.663 1.00 63.50 ATOM 98 N VAL A 931 24.254 74.912 6.195 1.00 47.09 ATOM 99 CA VAL A 931 23.668 75.473 4.980 1.00 47.47 ATOM 100 C VAL A 931 22.414 74.675 4.634 1.00 48.45 ATOM 101 O VAL A 931 21.417 75.256 4.188 1.00 48.27 ATOM 102 CB VAL A 931 24.648 75.467 3.785 1.00 46.70 ATOM 103 N TRP A 932 22.461 73.357 4.870 1.00 48.47 ATOM 104 CA TRP A 932 21.307 72.500 4.624 1.00 49.18 ATOM 105 C TRP A 932 20.187 72.875 5.578 1.00 50.10 ATOM 106 O TRP A 932 19.140 73.356 5.133 1.00 49.99 ATOM 107 CB TRP A 932 21.631 70.996 4.744 1.00 49.05 ATOM 108 CG TRP A 932 20.460 70.152 4.294 1.00 49.77 ATOM 109 CD1 TRP A 932 20.115 69.857 3.005 1.00 54.18 ATOM 110 CD2 TRP A 932 19.454 69.550 5.126 1.00 45.80 ATOM 111 NE1 TRP A 932 18.972 69.092 2.983 1.00 49.98 ATOM 112 CE2 TRP A 932 18.543 68.890 4.268 1.00 42.16 ATOM 113 CE3 TRP A 932 19.242 69.494 6.509 1.00 44.85 ATOM 114 CZ2 TRP A 932 17.434 68.176 4.747 1.00 37.28 ATOM 115 CZ3 TRP A 932 18.133 68.781 6.991 1.00 49.36 ATOM 116 CH2 TRP A 932 17.243 68.135 6.107 1.00 41.12 ATOM 117 N LEU A 933 20.418 72.672 6.878 1.00 50.62 ATOM 118 CA LEU A 933 19.406 72.947 7.909 1.00 50.46 ATOM 119 C LEU A 933 18.691 74.281 7.653 1.00 51.89 ATOM 120 O LEU A 933 17.453 74.320 7.572 1.00 49.48 ATOM 121 CB LEU A 933 20.036 72.936 9.311 1.00 49.76 ATOM 122 CG LEU A 933 20.204 71.552 9.957 1.00 52.27 ATOM 123 CD1 LEU A 933 21.043 71.604 11.252 1.00 40.45 ATOM 124 CD2 LEU A 933 18.827 70.946 10.230 1.00 48.80 ATOM 125 N GLN A 934 19.484 75.348 7.495 1.00 55.53 ATOM 126 CA GLN A 934 18.979 76.693 7.183 1.00 56.35 ATOM 127 C GLN A 934 17.772 76.660 6.248 1.00 57.60 ATOM 128 O GLN A 934 16.736 77.266 6.541 1.00 58.82 ATOM 129 CB GLN A 934 20.083 77.544 6.549 1.00 57.18 ATOM 130 N SER A 935 17.912 75.934 5.137 1.00 56.68 ATOM 131 CA SER A 935 16.853 75.827 4.130 1.00 56.86 ATOM 132 C SER A 935 15.706 74.938 4.609 1.00 56.51 ATOM 133 O SER A 935 15.303 74.992 5.774 1.00 55.33 ATOM 134 CB SER A 935 17.422 75.283 2.814 1.00 55.11 TER