HEADSC 4pb0 SEQCRD H E GLU GLU 1 1 C C 0 SEQCRD H V VAL VAL 2 2 C C 0 SEQCRD H K LYS LYS 3 3 E E 0 SEQCRD H L LEU LEU 4 4 E E 0 SEQCRD H L LEU LEU 5 5 E E 0 SEQCRD H E GLU GLU 6 6 E E 0 SEQCRD H S SER SER 7 7 E E 0 SEQCRD H G GLY GLY 8 8 C C 0 SEQCRD H G GLY GLY 9 9 C C 0 SEQCRD H G GLY GLY 10 10 E E 0 SEQCRD H L LEU LEU 11 11 E E 0 SEQCRD H V VAL VAL 12 12 E E 0 SEQCRD H Q GLN GLN 13 13 C C 0 SEQCRD H P PRO PRO 14 14 C C 0 SEQCRD H G GLY GLY 15 15 C C 0 SEQCRD H G GLY GLY 16 16 C C 0 SEQCRD H S SER SER 17 17 C C 0 SEQCRD H M MET MET 18 18 E E 0 SEQCRD H K LYS LYS 19 19 E E 0 SEQCRD H L LEU LEU 20 20 E E 0 SEQCRD H S SER SER 21 21 E E 0 SEQCRD H C CYS CYS 22 22 E E 0 SEQCRD H V VAL VAL 23 23 E E 0 SEQCRD H A ALA ALA 24 24 E E 0 SEQCRD H S SER SER 25 25 E E 0 SEQCRD H G GLY GLY 26 26 C C 0 SEQCRD H F PHE PHE 27 27 C C 0 SEQCRD H T THR THR 28 28 H H 0 SEQCRD H F PHE PHE 29 29 H H 0 SEQCRD H S SER SER 30 30 H H 0 SEQCRD H I ILE ILE 31 31 H H 0 SEQCRD H F PHE PHE 32 32 H H 0 SEQCRD H W TRP TRP 33 33 C C 0 SEQCRD H M MET MET 34 34 E E 0 SEQCRD H N ASN ASN 35 35 E E 0 SEQCRD H W TRP TRP 36 36 E E 0 SEQCRD H V VAL VAL 37 37 E E 0 SEQCRD H R ARG ARG 38 38 E E 0 SEQCRD H Q GLN GLN 39 39 E E 0 SEQCRD H S SER SER 40 40 E E 0 SEQCRD H P PRO PRO 41 41 C C 0 SEQCRD H E GLU GLU 42 42 C C 0 SEQCRD H K LYS LYS 43 43 C C 0 SEQCRD H G GLY GLY 44 44 E E 0 SEQCRD H L LEU LEU 45 45 E E 0 SEQCRD H E GLU GLU 46 46 E E 0 SEQCRD H W TRP TRP 47 47 E E 0 SEQCRD H V VAL VAL 48 48 E E 0 SEQCRD H A ALA ALA 49 49 E E 0 SEQCRD H E GLU GLU 50 50 E E 0 SEQCRD H V VAL VAL 51 51 E E 0 SEQCRD H R ARG ARG 52 52 C C 0 SEQCRD H L LEU LEU 53 52A C C 0 SEQCRD H K LYS LYS 54 52B C C 0 SEQCRD H S SER SER 55 52C C C 0 SEQCRD H N ASN ASN 56 53 C C 0 SEQCRD H N ASN ASN 57 54 C C 0 SEQCRD H Y TYR TYR 58 55 C C 0 SEQCRD H A ALA ALA 59 56 C C 0 SEQCRD H T THR THR 60 57 E E 0 SEQCRD H H HIS HIS 61 58 E E 0 SEQCRD H Y TYR TYR 62 59 E E 0 SEQCRD H A ALA ALA 63 60 C C 0 SEQCRD H E GLU GLU 64 61 H H 0 SEQCRD H S SER SER 65 62 H H 0 SEQCRD H V VAL VAL 66 63 H H 0 SEQCRD H K LYS LYS 67 64 H H 0 SEQCRD H G GLY GLY 68 65 C C 0 SEQCRD H R ARG ARG 69 66 C C 0 SEQCRD H F PHE PHE 70 67 E E 0 SEQCRD H T THR THR 71 68 E E 0 SEQCRD H I ILE ILE 72 69 E E 0 SEQCRD H S SER SER 73 70 E E 0 SEQCRD H R ARG ARG 74 71 E E 0 SEQCRD H D ASP ASP 75 72 E E 0 SEQCRD H D ASP ASP 76 73 C C 0 SEQCRD H S SER SER 77 74 C C 0 SEQCRD H K LYS LYS 78 75 C C 0 SEQCRD H S SER SER 79 76 C C 0 SEQCRD H G GLY GLY 80 77 E E 0 SEQCRD H V VAL VAL 81 78 E E 0 SEQCRD H Y TYR TYR 82 79 E E 0 SEQCRD H L LEU LEU 83 80 E E 0 SEQCRD H Q GLN GLN 84 81 E E 0 SEQCRD H M MET MET 85 82 E E 0 SEQCRD H N ASN ASN 86 82A C C 0 SEQCRD H N ASN ASN 87 82B C C 0 SEQCRD H L LEU LEU 88 82C C C 0 SEQCRD H R ARG ARG 89 83 H H 0 SEQCRD H A ALA ALA 90 84 H H 0 SEQCRD H E GLU GLU 91 85 H H 0 SEQCRD H D ASP ASP 92 86 H H 0 SEQCRD H T THR THR 93 87 H H 0 SEQCRD H G GLY GLY 94 88 E E 0 SEQCRD H I ILE ILE 95 89 E E 0 SEQCRD H Y TYR TYR 96 90 E E 0 SEQCRD H Y TYR TYR 97 91 E E 0 SEQCRD H C CYS CYS 98 92 E E 0 SEQCRD H T THR THR 99 93 E E 0 SEQCRD H R ARG ARG 100 94 E E 0 SEQCRD H G GLY GLY 101 95 C C 0 SEQCRD H Y TYR TYR 102 96 C C 0 SEQCRD H Y TYR TYR 103 97 C C 0 SEQCRD H G GLY GLY 104 98 C C 0 SEQCRD H S SER SER 105 99 C C 0 SEQCRD H N ASN ASN 106 100 C C 0 SEQCRD H Y TYR TYR 107 100A C C 0 SEQCRD H G GLY GLY 108 100B C C 0 SEQCRD H E GLU GLU 109 101 C C 0 SEQCRD H Y TYR TYR 110 102 C C 0 SEQCRD H W TRP TRP 111 103 C C 0 SEQCRD H G GLY GLY 112 104 C C 0 SEQCRD H Q GLN GLN 113 105 C C 0 SEQCRD H G GLY GLY 114 106 C C 0 SEQCRD H T THR THR 115 107 E E 0 SEQCRD H T THR THR 116 108 E E 0 SEQCRD H L LEU LEU 117 109 E E 0 SEQCRD H T THR THR 118 110 E E 0 SEQCRD H V VAL VAL 119 111 E E 0 SEQCRD H S SER SER 120 112 C C 0 SEQCRD H S SER SER 121 113 C C 0 SEQCRD H A ALA ALA 122 114 C C 0 SEQCRD H K LYS LYS 123 115 C C 0 SEQCRD H T THR THR 124 116 C C 0 SEQCRD H T THR THR 125 117 C C 0 SEQCRD H A ALA ALA 126 118 C C 0 SEQCRD H P PRO PRO 127 119 C C 0 SEQCRD H S SER SER 128 120 E E 0 SEQCRD H V VAL VAL 129 121 E E 0 SEQCRD H Y TYR TYR 130 122 E E 0 SEQCRD H P PRO PRO 131 123 E E 0 SEQCRD H L LEU LEU 132 124 E E 0 SEQCRD H A ALA ALA 133 125 C C 0 SEQCRD H P PRO PRO 134 126 C C 0 SEQCRD H V VAL VAL 135 127 C C 0 SEQCRD H C CYS --- 136 - - - 0 SEQCRD H G GLY --- 137 - - - 0 SEQCRD H D ASP --- 138 - - - 0 SEQCRD H T THR --- 139 - - - 0 SEQCRD H T THR --- 140 - - - 0 SEQCRD H G GLY --- 141 - - - 0 SEQCRD H S SER SER 142 134 C C 0 SEQCRD H S SER SER 143 135 E E 0 SEQCRD H V VAL VAL 144 136 E E 0 SEQCRD H T THR THR 145 137 E E 0 SEQCRD H L LEU LEU 146 138 E E 0 SEQCRD H G GLY GLY 147 139 E E 0 SEQCRD H C CYS CYS 148 140 E E 0 SEQCRD H L LEU LEU 149 141 E E 0 SEQCRD H V VAL VAL 150 142 E E 0 SEQCRD H K LYS LYS 151 143 E E 0 SEQCRD H G GLY GLY 152 144 E E 0 SEQCRD H Y TYR TYR 153 145 E E 0 SEQCRD H F PHE PHE 154 146 C C 0 SEQCRD H P PRO PRO 155 147 C C 0 SEQCRD H E GLU GLU 156 148 C C 0 SEQCRD H P PRO PRO 157 149 C C 0 SEQCRD H V VAL VAL 158 150 C C 0 SEQCRD H T THR THR 159 151 E E 0 SEQCRD H L LEU LEU 160 152 E E 0 SEQCRD H T THR THR 161 153 E E 0 SEQCRD H W TRP TRP 162 154 E E 0 SEQCRD H N ASN ASN 163 155 C C 0 SEQCRD H S SER SER 164 156 C C 0 SEQCRD H G GLY GLY 165 157 C C 0 SEQCRD H S SER SER 166 158 C C 0 SEQCRD H L LEU LEU 167 159 C C 0 SEQCRD H S SER SER 168 160 C C 0 SEQCRD H S SER SER 169 161 C C 0 SEQCRD H G GLY GLY 170 162 C C 0 SEQCRD H V VAL VAL 171 163 E E 0 SEQCRD H H HIS HIS 172 164 E E 0 SEQCRD H T THR THR 173 165 E E 0 SEQCRD H F PHE PHE 174 166 C C 0 SEQCRD H P PRO PRO 175 167 C C 0 SEQCRD H A ALA ALA 176 168 C C 0 SEQCRD H V VAL VAL 177 169 E E 0 SEQCRD H L LEU LEU 178 170 E E 0 SEQCRD H Q GLN GLN 179 171 E E 0 SEQCRD H S SER SER 180 172 C C 0 SEQCRD H D ASP ASP 181 173 C C 0 SEQCRD H L LEU LEU 182 174 E E 0 SEQCRD H Y TYR TYR 183 175 E E 0 SEQCRD H T THR THR 184 176 E E 0 SEQCRD H L LEU LEU 185 177 E E 0 SEQCRD H S SER SER 186 178 E E 0 SEQCRD H S SER SER 187 179 E E 0 SEQCRD H S SER SER 188 180 E E 0 SEQCRD H V VAL VAL 189 181 E E 0 SEQCRD H T THR THR 190 182 E E 0 SEQCRD H V VAL VAL 191 183 E E 0 SEQCRD H T THR THR 192 184 E E 0 SEQCRD H S SER SER 193 185 C C 0 SEQCRD H S SER SER 194 186 C C 0 SEQCRD H T THR THR 195 187 C C 0 SEQCRD H W TRP TRP 196 188 C C 0 SEQCRD H P PRO PRO 197 189 C C 0 SEQCRD H S SER SER 198 190 C C 0 SEQCRD H Q GLN GLN 199 191 C C 0 SEQCRD H S SER SER 200 192 C C 0 SEQCRD H I ILE ILE 201 193 C C 0 SEQCRD H T THR THR 202 194 E E 0 SEQCRD H C CYS CYS 203 195 E E 0 SEQCRD H N ASN ASN 204 196 E E 0 SEQCRD H V VAL VAL 205 197 E E 0 SEQCRD H A ALA ALA 206 198 E E 0 SEQCRD H H HIS HIS 207 199 E E 0 SEQCRD H P PRO PRO 208 200 H H 0 SEQCRD H A ALA ALA 209 201 H H 0 SEQCRD H S SER SER 210 202 H H 0 SEQCRD H S SER SER 211 203 H H 0 SEQCRD H T THR THR 212 204 E E 0 SEQCRD H K LYS LYS 213 205 E E 0 SEQCRD H V VAL VAL 214 206 E E 0 SEQCRD H D ASP ASP 215 207 E E 0 SEQCRD H K LYS LYS 216 208 E E 0 SEQCRD H K LYS LYS 217 209 E E 0 SEQCRD H I ILE ILE 218 210 C C 0 SEQCRD H E GLU GLU 219 211 C C 0 SEQCRD H P PRO PRO 220 212 C C 0 SEQCRD L D ASP ASP 1 1 C C 0 SEQCRD L V VAL VAL 2 2 C C 0 SEQCRD L V VAL VAL 3 3 C C 0 SEQCRD L M MET MET 4 4 E E 0 SEQCRD L T THR THR 5 5 E E 0 SEQCRD L Q GLN GLN 6 6 E E 0 SEQCRD L S SER SER 7 7 E E 0 SEQCRD L P PRO PRO 8 8 C C 0 SEQCRD L S SER SER 9 9 C C 0 SEQCRD L S SER SER 10 10 E E 0 SEQCRD L L LEU LEU 11 11 E E 0 SEQCRD L S SER SER 12 12 E E 0 SEQCRD L V VAL VAL 13 13 E E 0 SEQCRD L T THR THR 14 14 E E 0 SEQCRD L I ILE ILE 15 15 C C 0 SEQCRD L G GLY GLY 16 16 C C 0 SEQCRD L Q GLN GLN 17 17 C C 0 SEQCRD L P PRO PRO 18 18 C C 0 SEQCRD L A ALA ALA 19 19 E E 0 SEQCRD L S SER SER 20 20 E E 0 SEQCRD L I ILE ILE 21 21 E E 0 SEQCRD L S SER SER 22 22 E E 0 SEQCRD L C CYS CYS 23 23 E E 0 SEQCRD L K LYS LYS 24 24 E E 0 SEQCRD L S SER SER 25 25 E E 0 SEQCRD L S SER SER 26 26 C C 0 SEQCRD L Q GLN GLN 27 27 C C 0 SEQCRD L S SER SER 28 28 C C 0 SEQCRD L L LEU LEU 29 29 C C 0 SEQCRD L L LEU LEU 30 30 C C 0 SEQCRD L D ASP ASP 31 30A C C 0 SEQCRD L S SER SER 32 30B C C 0 SEQCRD L D ASP ASP 33 30C C C 0 SEQCRD L G GLY GLY 34 30D C C 0 SEQCRD L G GLY GLY 35 30E C C 0 SEQCRD L T THR THR 36 31 C C 0 SEQCRD L Y TYR TYR 37 32 C C 0 SEQCRD L L LEU LEU 38 33 E E 0 SEQCRD L N ASN ASN 39 34 E E 0 SEQCRD L W TRP TRP 40 35 E E 0 SEQCRD L L LEU LEU 41 36 E E 0 SEQCRD L L LEU LEU 42 37 E E 0 SEQCRD L Q GLN GLN 43 38 E E 0 SEQCRD L R ARG ARG 44 39 C C 0 SEQCRD L P PRO PRO 45 40 C C 0 SEQCRD L G GLY GLY 46 41 C C 0 SEQCRD L Q GLN GLN 47 42 C C 0 SEQCRD L S SER SER 48 43 C C 0 SEQCRD L P PRO PRO 49 44 C C 0 SEQCRD L K LYS LYS 50 45 E E 0 SEQCRD L R ARG ARG 51 46 E E 0 SEQCRD L L LEU LEU 52 47 E E 0 SEQCRD L I ILE ILE 53 48 E E 0 SEQCRD L Y TYR TYR 54 49 E E 0 SEQCRD L L LEU LEU 55 50 C C 0 SEQCRD L V VAL VAL 56 51 C C 0 SEQCRD L S SER SER 57 52 C C 0 SEQCRD L K LYS LYS 58 53 E E 0 SEQCRD L L LEU LEU 59 54 E E 0 SEQCRD L D ASP ASP 60 55 C C 0 SEQCRD L S SER SER 61 56 C C 0 SEQCRD L G GLY GLY 62 57 C C 0 SEQCRD L V VAL VAL 63 58 C C 0 SEQCRD L P PRO PRO 64 59 C C 0 SEQCRD L D ASP ASP 65 60 C C 0 SEQCRD L R ARG ARG 66 61 C C 0 SEQCRD L F PHE PHE 67 62 E E 0 SEQCRD L T THR THR 68 63 E E 0 SEQCRD L G GLY GLY 69 64 E E 0 SEQCRD L S SER SER 70 65 E E 0 SEQCRD L G GLY GLY 71 66 E E 0 SEQCRD L S SER SER 72 67 E E 0 SEQCRD L G GLY GLY 73 68 C C 0 SEQCRD L T THR THR 74 69 C C 0 SEQCRD L D ASP ASP 75 70 E E 0 SEQCRD L F PHE PHE 76 71 E E 0 SEQCRD L T THR THR 77 72 E E 0 SEQCRD L L LEU LEU 78 73 E E 0 SEQCRD L K LYS LYS 79 74 E E 0 SEQCRD L I ILE ILE 80 75 E E 0 SEQCRD L S SER SER 81 76 C C 0 SEQCRD L R ARG ARG 82 77 C C 0 SEQCRD L V VAL VAL 83 78 C C 0 SEQCRD L E GLU GLU 84 79 H H 0 SEQCRD L A ALA ALA 85 80 H H 0 SEQCRD L E GLU GLU 86 81 H H 0 SEQCRD L D ASP ASP 87 82 H H 0 SEQCRD L L LEU LEU 88 83 H H 0 SEQCRD L G GLY GLY 89 84 E E 0 SEQCRD L I ILE ILE 90 85 E E 0 SEQCRD L Y TYR TYR 91 86 E E 0 SEQCRD L Y TYR TYR 92 87 E E 0 SEQCRD L C CYS CYS 93 88 E E 0 SEQCRD L W TRP TRP 94 89 E E 0 SEQCRD L Q GLN GLN 95 90 E E 0 SEQCRD L G GLY GLY 96 91 C C 0 SEQCRD L A ALA ALA 97 92 C C 0 SEQCRD L H HIS HIS 98 93 C C 0 SEQCRD L F PHE PHE 99 94 C C 0 SEQCRD L P PRO PRO 100 95 C C 0 SEQCRD L Y TYR TYR 101 96 C C 0 SEQCRD L T THR THR 102 97 E E 0 SEQCRD L F PHE PHE 103 98 E E 0 SEQCRD L G GLY GLY 104 99 C C 0 SEQCRD L G GLY GLY 105 100 C C 0 SEQCRD L G GLY GLY 106 101 C C 0 SEQCRD L T THR THR 107 102 E E 0 SEQCRD L K LYS LYS 108 103 E E 0 SEQCRD L L LEU LEU 109 104 E E 0 SEQCRD L E GLU GLU 110 105 E E 0 SEQCRD L I ILE ILE 111 106 E E 0 SEQCRD L K LYS LYS 112 107 E E 0 SEQCRD L R ARG ARG 113 108 C C 0 SEQCRD L A ALA ALA 114 109 C C 0 SEQCRD L D ASP ASP 115 110 C C 0 SEQCRD L A ALA ALA 116 111 C C 0 SEQCRD L A ALA ALA 117 112 C C 0 SEQCRD L P PRO PRO 118 113 C C 0 SEQCRD L T THR THR 119 114 E E 0 SEQCRD L V VAL VAL 120 115 E E 0 SEQCRD L S SER SER 121 116 E E 0 SEQCRD L I ILE ILE 122 117 E E 0 SEQCRD L F PHE PHE 123 118 E E 0 SEQCRD L P PRO PRO 124 119 C C 0 SEQCRD L P PRO PRO 125 120 C C 0 SEQCRD L S SER SER 126 121 H H 0 SEQCRD L S SER SER 127 122 H H 0 SEQCRD L E GLU GLU 128 123 H H 0 SEQCRD L Q GLN GLN 129 124 H H 0 SEQCRD L L LEU LEU 130 125 H H 0 SEQCRD L T THR THR 131 126 H H 0 SEQCRD L S SER SER 132 127 C C 0 SEQCRD L G GLY GLY 133 128 C C 0 SEQCRD L G GLY GLY 134 129 E E 0 SEQCRD L A ALA ALA 135 130 E E 0 SEQCRD L S SER SER 136 131 E E 0 SEQCRD L V VAL VAL 137 132 E E 0 SEQCRD L V VAL VAL 138 133 E E 0 SEQCRD L C CYS CYS 139 134 E E 0 SEQCRD L F PHE PHE 140 135 E E 0 SEQCRD L L LEU LEU 141 136 E E 0 SEQCRD L N ASN ASN 142 137 E E 0 SEQCRD L N ASN ASN 143 138 E E 0 SEQCRD L F PHE PHE 144 139 E E 0 SEQCRD L Y TYR TYR 145 140 C C 0 SEQCRD L P PRO PRO 146 141 C C 0 SEQCRD L K LYS LYS 147 142 C C 0 SEQCRD L D ASP ASP 148 143 C C 0 SEQCRD L I ILE ILE 149 144 C C 0 SEQCRD L N ASN ASN 150 145 E E 0 SEQCRD L V VAL VAL 151 146 E E 0 SEQCRD L K LYS LYS 152 147 E E 0 SEQCRD L W TRP TRP 153 148 E E 0 SEQCRD L K LYS LYS 154 149 E E 0 SEQCRD L I ILE ILE 155 150 E E 0 SEQCRD L D ASP ASP 156 151 C C 0 SEQCRD L G GLY GLY 157 152 C C 0 SEQCRD L S SER SER 158 153 E E 0 SEQCRD L E GLU GLU 159 154 E E 0 SEQCRD L R ARG ARG 160 155 C C 0 SEQCRD L Q GLN GLN 161 156 C C 0 SEQCRD L N ASN ASN 162 157 C C 0 SEQCRD L G GLY GLY 163 158 C C 0 SEQCRD L V VAL VAL 164 159 E E 0 SEQCRD L L LEU LEU 165 160 E E 0 SEQCRD L N ASN ASN 166 161 E E 0 SEQCRD L S SER SER 167 162 E E 0 SEQCRD L W TRP TRP 168 163 E E 0 SEQCRD L T THR THR 169 164 C C 0 SEQCRD L D ASP ASP 170 165 C C 0 SEQCRD L Q GLN GLN 171 166 C C 0 SEQCRD L D ASP ASP 172 167 C C 0 SEQCRD L S SER SER 173 168 C C 0 SEQCRD L K LYS LYS 174 169 C C 0 SEQCRD L D ASP ASP 175 170 C C 0 SEQCRD L S SER SER 176 171 C C 0 SEQCRD L T THR THR 177 172 C C 0 SEQCRD L Y TYR TYR 178 173 E E 0 SEQCRD L S SER SER 179 174 E E 0 SEQCRD L M MET MET 180 175 E E 0 SEQCRD L S SER SER 181 176 E E 0 SEQCRD L S SER SER 182 177 E E 0 SEQCRD L T THR THR 183 178 E E 0 SEQCRD L L LEU LEU 184 179 E E 0 SEQCRD L T THR THR 185 180 E E 0 SEQCRD L L LEU LEU 186 181 E E 0 SEQCRD L T THR THR 187 182 E E 0 SEQCRD L K LYS LYS 188 183 H H 0 SEQCRD L D ASP ASP 189 184 H H 0 SEQCRD L E GLU GLU 190 185 H H 0 SEQCRD L Y TYR TYR 191 186 H H 0 SEQCRD L E GLU GLU 192 187 H H 0 SEQCRD L R ARG ARG 193 188 C C 0 SEQCRD L H HIS HIS 194 189 C C 0 SEQCRD L N ASN ASN 195 190 C C 0 SEQCRD L S SER SER 196 191 E E 0 SEQCRD L Y TYR TYR 197 192 E E 0 SEQCRD L T THR THR 198 193 E E 0 SEQCRD L C CYS CYS 199 194 E E 0 SEQCRD L E GLU GLU 200 195 E E 0 SEQCRD L A ALA ALA 201 196 E E 0 SEQCRD L T THR THR 202 197 E E 0 SEQCRD L H HIS HIS 203 198 C C 0 SEQCRD L K LYS LYS 204 199 C C 0 SEQCRD L T THR THR 205 200 C C 0 SEQCRD L S SER SER 206 201 C C 0 SEQCRD L T THR THR 207 202 C C 0 SEQCRD L S SER SER 208 203 C C 0 SEQCRD L P PRO PRO 209 204 C C 0 SEQCRD L I ILE ILE 210 205 E E 0 SEQCRD L V VAL VAL 211 206 E E 0 SEQCRD L K LYS LYS 212 207 E E 0 SEQCRD L S SER SER 213 208 E E 0 SEQCRD L F PHE PHE 214 209 E E 0 SEQCRD L N ASN ASN 215 210 E E 0 SEQCRD L R ARG ARG 216 211 C C 0 PARAME method XRAY PARAME resolution 2.5000 PARAME R-factor 0.2139 PARAME FreeR-factor 0.2517