HEADSC 1pd2 SEQCRD 1 M MET MET 1 1 C C 0 SEQCRD 1 P PRO PRO 2 2 C C 0 SEQCRD 1 N ASN ASN 3 3 C C 0 SEQCRD 1 Y TYR TYR 4 4 E E 0 SEQCRD 1 K LYS LYS 5 5 E E 0 SEQCRD 1 L LEU LEU 6 6 E E 0 SEQCRD 1 L LEU LEU 7 7 E E 0 SEQCRD 1 Y TYR TYR 8 8 E E 0 SEQCRD 1 F PHE PHE 9 9 E E 0 SEQCRD 1 N ASN ASN 10 10 C C 0 SEQCRD 1 M MET MET 11 11 C C 0 SEQCRD 1 R ARG ARG 12 12 C C 0 SEQCRD 1 G GLY GLY 13 13 C C 0 SEQCRD 1 R ARG ARG 14 14 C C 0 SEQCRD 1 A ALA ALA 15 15 C C 0 SEQCRD 1 E GLU GLU 16 16 H H 0 SEQCRD 1 I ILE ILE 17 17 H H 0 SEQCRD 1 I ILE ILE 18 18 H H 0 SEQCRD 1 R ARG ARG 19 19 H H 0 SEQCRD 1 Y TYR TYR 20 20 H H 0 SEQCRD 1 I ILE ILE 21 21 H H 0 SEQCRD 1 F PHE PHE 22 22 H H 0 SEQCRD 1 A ALA ALA 23 23 H H 0 SEQCRD 1 Y TYR TYR 24 24 H H 0 SEQCRD 1 L LEU LEU 25 25 H H 0 SEQCRD 1 D ASP ASP 26 26 C C 0 SEQCRD 1 I ILE ILE 27 27 C C 0 SEQCRD 1 K LYS LYS 28 28 C C 0 SEQCRD 1 Y TYR TYR 29 29 C C 0 SEQCRD 1 E GLU GLU 30 30 E E 0 SEQCRD 1 D ASP ASP 31 31 E E 0 SEQCRD 1 H HIS HIS 32 32 E E 0 SEQCRD 1 R ARG ARG 33 33 E E 0 SEQCRD 1 I ILE ILE 34 34 E E 0 SEQCRD 1 E GLU GLU 35 35 C C 0 SEQCRD 1 Q GLN GLN 36 36 H H 0 SEQCRD 1 A ALA ALA 37 37 H H 0 SEQCRD 1 D ASP ASP 38 38 H H 0 SEQCRD 1 W TRP TRP 39 39 H H 0 SEQCRD 1 P PRO PRO 40 40 H H 0 SEQCRD 1 K LYS LYS 41 41 H H 0 SEQCRD 1 I ILE ILE 42 42 H H 0 SEQCRD 1 K LYS LYS 43 43 H H 0 SEQCRD 1 P PRO PRO 44 44 H H 0 SEQCRD 1 T THR THR 45 45 H H 0 SEQCRD 1 L LEU LEU 46 46 C C 0 SEQCRD 1 P PRO PRO 47 47 C C 0 SEQCRD 1 F PHE PHE 48 48 C C 0 SEQCRD 1 G GLY GLY 49 49 C C 0 SEQCRD 1 K LYS LYS 50 50 C C 0 SEQCRD 1 I ILE ILE 51 51 C C 0 SEQCRD 1 P PRO PRO 52 52 C C 0 SEQCRD 1 V VAL VAL 53 53 E E 0 SEQCRD 1 L LEU LEU 54 54 E E 0 SEQCRD 1 E GLU GLU 55 55 E E 0 SEQCRD 1 V VAL VAL 56 56 E E 0 SEQCRD 1 E GLU GLU 57 57 C C 0 SEQCRD 1 G GLY GLY 58 58 C C 0 SEQCRD 1 L LEU LEU 59 59 E E 0 SEQCRD 1 T THR THR 60 60 E E 0 SEQCRD 1 L LEU LEU 61 61 E E 0 SEQCRD 1 H HIS HIS 62 62 E E 0 SEQCRD 1 Q GLN GLN 63 63 C C 0 SEQCRD 1 S SER SER 64 64 H H 0 SEQCRD 1 L LEU LEU 65 65 H H 0 SEQCRD 1 A ALA ALA 66 66 H H 0 SEQCRD 1 I ILE ILE 67 67 H H 0 SEQCRD 1 A ALA ALA 68 68 H H 0 SEQCRD 1 R ARG ARG 69 69 H H 0 SEQCRD 1 Y TYR TYR 70 70 H H 0 SEQCRD 1 L LEU LEU 71 71 H H 0 SEQCRD 1 T THR THR 72 72 H H 0 SEQCRD 1 K LYS LYS 73 73 C C 0 SEQCRD 1 N ASN ASN 74 74 C C 0 SEQCRD 1 T THR THR 75 75 C C 0 SEQCRD 1 D ASP ASP 76 76 H H 0 SEQCRD 1 L LEU LEU 77 77 H H 0 SEQCRD 1 A ALA ALA 78 78 H H 0 SEQCRD 1 G GLY GLY 79 79 C C 0 SEQCRD 1 K LYS LYS 80 80 C C 0 SEQCRD 1 T THR THR 81 81 C C 0 SEQCRD 1 E GLU GLU 82 82 H H 0 SEQCRD 1 L LEU LEU 83 83 H H 0 SEQCRD 1 E GLU GLU 84 84 H H 0 SEQCRD 1 Q GLN GLN 85 85 H H 0 SEQCRD 1 C CYS CYS 86 86 H H 0 SEQCRD 1 Q GLN GLN 87 87 H H 0 SEQCRD 1 V VAL VAL 88 88 H H 0 SEQCRD 1 D ASP ASP 89 89 H H 0 SEQCRD 1 A ALA ALA 90 90 H H 0 SEQCRD 1 V VAL VAL 91 91 H H 0 SEQCRD 1 V VAL VAL 92 92 H H 0 SEQCRD 1 D ASP ASP 93 93 H H 0 SEQCRD 1 T THR THR 94 94 H H 0 SEQCRD 1 L LEU LEU 95 95 H H 0 SEQCRD 1 D ASP ASP 96 96 H H 0 SEQCRD 1 D ASP ASP 97 97 H H 0 SEQCRD 1 F PHE PHE 98 98 H H 0 SEQCRD 1 M MET MET 99 99 H H 0 SEQCRD 1 S SER SER 100 100 H H 0 SEQCRD 1 L LEU LEU 101 101 H H 0 SEQCRD 1 F PHE PHE 102 102 C C 0 SEQCRD 1 P PRO PRO 103 103 C C 0 SEQCRD 1 W TRP TRP 104 104 C C 0 SEQCRD 1 A ALA ALA 105 105 C C 0 SEQCRD 1 E GLU GLU 106 106 C C 0 SEQCRD 1 E GLU GLU 107 107 C C 0 SEQCRD 1 N ASN ASN 108 108 C C 0 SEQCRD 1 Q GLN GLN 109 109 C C 0 SEQCRD 1 D ASP ASP 110 110 C C 0 SEQCRD 1 L LEU LEU 111 111 H H 0 SEQCRD 1 K LYS LYS 112 112 H H 0 SEQCRD 1 E GLU GLU 113 113 H H 0 SEQCRD 1 R ARG ARG 114 114 H H 0 SEQCRD 1 T THR THR 115 115 H H 0 SEQCRD 1 F PHE PHE 116 116 H H 0 SEQCRD 1 N ASN ASN 117 117 H H 0 SEQCRD 1 D ASP ASP 118 118 H H 0 SEQCRD 1 L LEU LEU 119 119 H H 0 SEQCRD 1 L LEU LEU 120 120 H H 0 SEQCRD 1 T THR THR 121 121 H H 0 SEQCRD 1 R ARG ARG 122 122 H H 0 SEQCRD 1 Q GLN GLN 123 123 C C 0 SEQCRD 1 A ALA ALA 124 124 H H 0 SEQCRD 1 P PRO PRO 125 125 H H 0 SEQCRD 1 H HIS HIS 126 126 H H 0 SEQCRD 1 L LEU LEU 127 127 H H 0 SEQCRD 1 L LEU LEU 128 128 H H 0 SEQCRD 1 K LYS LYS 129 129 H H 0 SEQCRD 1 D ASP ASP 130 130 H H 0 SEQCRD 1 L LEU LEU 131 131 H H 0 SEQCRD 1 D ASP ASP 132 132 H H 0 SEQCRD 1 T THR THR 133 133 H H 0 SEQCRD 1 Y TYR TYR 134 134 H H 0 SEQCRD 1 L LEU LEU 135 135 H H 0 SEQCRD 1 G GLY GLY 136 136 C C 0 SEQCRD 1 D ASP ASP 137 137 C C 0 SEQCRD 1 K LYS LYS 138 138 C C 0 SEQCRD 1 E GLU GLU 139 139 C C 0 SEQCRD 1 W TRP TRP 140 140 C C 0 SEQCRD 1 F PHE PHE 141 141 C C 0 SEQCRD 1 I ILE ILE 142 142 C C 0 SEQCRD 1 G GLY GLY 143 143 C C 0 SEQCRD 1 N ASN ASN 144 144 C C 0 SEQCRD 1 Y TYR TYR 145 145 C C 0 SEQCRD 1 V VAL VAL 146 146 C C 0 SEQCRD 1 T THR THR 147 147 C C 0 SEQCRD 1 W TRP TRP 148 148 H H 0 SEQCRD 1 A ALA ALA 149 149 H H 0 SEQCRD 1 D ASP ASP 150 150 H H 0 SEQCRD 1 F PHE PHE 151 151 H H 0 SEQCRD 1 Y TYR TYR 152 152 H H 0 SEQCRD 1 W TRP TRP 153 153 H H 0 SEQCRD 1 D ASP ASP 154 154 H H 0 SEQCRD 1 I ILE ILE 155 155 H H 0 SEQCRD 1 C CYS CYS 156 156 H H 0 SEQCRD 1 S SER SER 157 157 H H 0 SEQCRD 1 T THR THR 158 158 H H 0 SEQCRD 1 T THR THR 159 159 H H 0 SEQCRD 1 L LEU LEU 160 160 H H 0 SEQCRD 1 L LEU LEU 161 161 H H 0 SEQCRD 1 V VAL VAL 162 162 H H 0 SEQCRD 1 L LEU LEU 163 163 H H 0 SEQCRD 1 K LYS LYS 164 164 C C 0 SEQCRD 1 P PRO PRO 165 165 C C 0 SEQCRD 1 D ASP ASP 166 166 C C 0 SEQCRD 1 L LEU LEU 167 167 C C 0 SEQCRD 1 L LEU LEU 168 168 C C 0 SEQCRD 1 G GLY GLY 169 169 C C 0 SEQCRD 1 I ILE ILE 170 170 C C 0 SEQCRD 1 Y TYR TYR 171 171 C C 0 SEQCRD 1 P PRO PRO 172 172 H H 0 SEQCRD 1 R ARG ARG 173 173 H H 0 SEQCRD 1 L LEU LEU 174 174 H H 0 SEQCRD 1 V VAL VAL 175 175 H H 0 SEQCRD 1 S SER SER 176 176 H H 0 SEQCRD 1 L LEU LEU 177 177 H H 0 SEQCRD 1 R ARG ARG 178 178 H H 0 SEQCRD 1 N ASN ASN 179 179 H H 0 SEQCRD 1 K LYS LYS 180 180 H H 0 SEQCRD 1 V VAL VAL 181 181 H H 0 SEQCRD 1 Q GLN GLN 182 182 H H 0 SEQCRD 1 A ALA ALA 183 183 H H 0 SEQCRD 1 I ILE ILE 184 184 C C 0 SEQCRD 1 P PRO PRO 185 185 H H 0 SEQCRD 1 A ALA ALA 186 186 H H 0 SEQCRD 1 I ILE ILE 187 187 H H 0 SEQCRD 1 S SER SER 188 188 H H 0 SEQCRD 1 A ALA ALA 189 189 H H 0 SEQCRD 1 W TRP TRP 190 190 H H 0 SEQCRD 1 I ILE ILE 191 191 H H 0 SEQCRD 1 L LEU LEU 192 192 H H 0 SEQCRD 1 K LYS LYS 193 193 H H 0 SEQCRD 1 R ARG ARG 194 194 C C 0 SEQCRD 1 P PRO PRO 195 195 C C 0 SEQCRD 1 Q GLN GLN 196 196 C C 0 SEQCRD 1 T THR THR 197 197 C C 0 SEQCRD 1 K LYS LYS 198 198 C C 0 SEQCRD 1 L LEU LEU 199 199 C C 0 SEQCRD 2 M MET MET 1 1 C C 0 SEQCRD 2 P PRO PRO 2 2 C C 0 SEQCRD 2 N ASN ASN 3 3 C C 0 SEQCRD 2 Y TYR TYR 4 4 E E 0 SEQCRD 2 K LYS LYS 5 5 E E 0 SEQCRD 2 L LEU LEU 6 6 E E 0 SEQCRD 2 L LEU LEU 7 7 E E 0 SEQCRD 2 Y TYR TYR 8 8 E E 0 SEQCRD 2 F PHE PHE 9 9 E E 0 SEQCRD 2 N ASN ASN 10 10 C C 0 SEQCRD 2 M MET MET 11 11 C C 0 SEQCRD 2 R ARG ARG 12 12 C C 0 SEQCRD 2 G GLY GLY 13 13 C C 0 SEQCRD 2 R ARG ARG 14 14 C C 0 SEQCRD 2 A ALA ALA 15 15 C C 0 SEQCRD 2 E GLU GLU 16 16 H H 0 SEQCRD 2 I ILE ILE 17 17 H H 0 SEQCRD 2 I ILE ILE 18 18 H H 0 SEQCRD 2 R ARG ARG 19 19 H H 0 SEQCRD 2 Y TYR TYR 20 20 H H 0 SEQCRD 2 I ILE ILE 21 21 H H 0 SEQCRD 2 F PHE PHE 22 22 H H 0 SEQCRD 2 A ALA ALA 23 23 H H 0 SEQCRD 2 Y TYR TYR 24 24 H H 0 SEQCRD 2 L LEU LEU 25 25 C C 0 SEQCRD 2 D ASP ASP 26 26 C C 0 SEQCRD 2 I ILE ILE 27 27 C C 0 SEQCRD 2 K LYS LYS 28 28 C C 0 SEQCRD 2 Y TYR TYR 29 29 C C 0 SEQCRD 2 E GLU GLU 30 30 E E 0 SEQCRD 2 D ASP ASP 31 31 E E 0 SEQCRD 2 H HIS HIS 32 32 E E 0 SEQCRD 2 R ARG ARG 33 33 E E 0 SEQCRD 2 I ILE ILE 34 34 E E 0 SEQCRD 2 E GLU GLU 35 35 C C 0 SEQCRD 2 Q GLN GLN 36 36 H H 0 SEQCRD 2 A ALA ALA 37 37 H H 0 SEQCRD 2 D ASP ASP 38 38 H H 0 SEQCRD 2 W TRP TRP 39 39 H H 0 SEQCRD 2 P PRO PRO 40 40 H H 0 SEQCRD 2 K LYS LYS 41 41 H H 0 SEQCRD 2 I ILE ILE 42 42 H H 0 SEQCRD 2 K LYS LYS 43 43 H H 0 SEQCRD 2 P PRO PRO 44 44 H H 0 SEQCRD 2 T THR THR 45 45 H H 0 SEQCRD 2 L LEU LEU 46 46 C C 0 SEQCRD 2 P PRO PRO 47 47 C C 0 SEQCRD 2 F PHE PHE 48 48 C C 0 SEQCRD 2 G GLY GLY 49 49 C C 0 SEQCRD 2 K LYS LYS 50 50 C C 0 SEQCRD 2 I ILE ILE 51 51 C C 0 SEQCRD 2 P PRO PRO 52 52 C C 0 SEQCRD 2 V VAL VAL 53 53 E E 0 SEQCRD 2 L LEU LEU 54 54 E E 0 SEQCRD 2 E GLU GLU 55 55 E E 0 SEQCRD 2 V VAL VAL 56 56 E E 0 SEQCRD 2 E GLU GLU 57 57 C C 0 SEQCRD 2 G GLY GLY 58 58 C C 0 SEQCRD 2 L LEU LEU 59 59 E E 0 SEQCRD 2 T THR THR 60 60 E E 0 SEQCRD 2 L LEU LEU 61 61 E E 0 SEQCRD 2 H HIS HIS 62 62 E E 0 SEQCRD 2 Q GLN GLN 63 63 C C 0 SEQCRD 2 S SER SER 64 64 H H 0 SEQCRD 2 L LEU LEU 65 65 H H 0 SEQCRD 2 A ALA ALA 66 66 H H 0 SEQCRD 2 I ILE ILE 67 67 H H 0 SEQCRD 2 A ALA ALA 68 68 H H 0 SEQCRD 2 R ARG ARG 69 69 H H 0 SEQCRD 2 Y TYR TYR 70 70 H H 0 SEQCRD 2 L LEU LEU 71 71 H H 0 SEQCRD 2 T THR THR 72 72 C C 0 SEQCRD 2 K LYS LYS 73 73 C C 0 SEQCRD 2 N ASN ASN 74 74 C C 0 SEQCRD 2 T THR THR 75 75 C C 0 SEQCRD 2 D ASP ASP 76 76 H H 0 SEQCRD 2 L LEU LEU 77 77 H H 0 SEQCRD 2 A ALA ALA 78 78 H H 0 SEQCRD 2 G GLY GLY 79 79 C C 0 SEQCRD 2 K LYS LYS 80 80 C C 0 SEQCRD 2 T THR THR 81 81 C C 0 SEQCRD 2 E GLU GLU 82 82 H H 0 SEQCRD 2 L LEU LEU 83 83 H H 0 SEQCRD 2 E GLU GLU 84 84 H H 0 SEQCRD 2 Q GLN GLN 85 85 H H 0 SEQCRD 2 C CYS CYS 86 86 H H 0 SEQCRD 2 Q GLN GLN 87 87 H H 0 SEQCRD 2 V VAL VAL 88 88 H H 0 SEQCRD 2 D ASP ASP 89 89 H H 0 SEQCRD 2 A ALA ALA 90 90 H H 0 SEQCRD 2 V VAL VAL 91 91 H H 0 SEQCRD 2 V VAL VAL 92 92 H H 0 SEQCRD 2 D ASP ASP 93 93 H H 0 SEQCRD 2 T THR THR 94 94 H H 0 SEQCRD 2 L LEU LEU 95 95 H H 0 SEQCRD 2 D ASP ASP 96 96 H H 0 SEQCRD 2 D ASP ASP 97 97 H H 0 SEQCRD 2 F PHE PHE 98 98 H H 0 SEQCRD 2 M MET MET 99 99 H H 0 SEQCRD 2 S SER SER 100 100 H H 0 SEQCRD 2 L LEU LEU 101 101 H H 0 SEQCRD 2 F PHE PHE 102 102 C C 0 SEQCRD 2 P PRO PRO 103 103 C C 0 SEQCRD 2 W TRP TRP 104 104 C C 0 SEQCRD 2 A ALA ALA 105 105 C C 0 SEQCRD 2 E GLU GLU 106 106 C C 0 SEQCRD 2 E GLU GLU 107 107 C C 0 SEQCRD 2 N ASN ASN 108 108 C C 0 SEQCRD 2 Q GLN GLN 109 109 H H 0 SEQCRD 2 D ASP ASP 110 110 H H 0 SEQCRD 2 L LEU LEU 111 111 H H 0 SEQCRD 2 K LYS LYS 112 112 H H 0 SEQCRD 2 E GLU GLU 113 113 H H 0 SEQCRD 2 R ARG ARG 114 114 H H 0 SEQCRD 2 T THR THR 115 115 H H 0 SEQCRD 2 F PHE PHE 116 116 H H 0 SEQCRD 2 N ASN ASN 117 117 H H 0 SEQCRD 2 D ASP ASP 118 118 H H 0 SEQCRD 2 L LEU LEU 119 119 H H 0 SEQCRD 2 L LEU LEU 120 120 H H 0 SEQCRD 2 T THR THR 121 121 H H 0 SEQCRD 2 R ARG ARG 122 122 H H 0 SEQCRD 2 Q GLN GLN 123 123 C C 0 SEQCRD 2 A ALA ALA 124 124 H H 0 SEQCRD 2 P PRO PRO 125 125 H H 0 SEQCRD 2 H HIS HIS 126 126 H H 0 SEQCRD 2 L LEU LEU 127 127 H H 0 SEQCRD 2 L LEU LEU 128 128 H H 0 SEQCRD 2 K LYS LYS 129 129 H H 0 SEQCRD 2 D ASP ASP 130 130 H H 0 SEQCRD 2 L LEU LEU 131 131 H H 0 SEQCRD 2 D ASP ASP 132 132 H H 0 SEQCRD 2 T THR THR 133 133 H H 0 SEQCRD 2 Y TYR TYR 134 134 H H 0 SEQCRD 2 L LEU LEU 135 135 H H 0 SEQCRD 2 G GLY GLY 136 136 C C 0 SEQCRD 2 D ASP ASP 137 137 C C 0 SEQCRD 2 K LYS LYS 138 138 C C 0 SEQCRD 2 E GLU GLU 139 139 C C 0 SEQCRD 2 W TRP TRP 140 140 C C 0 SEQCRD 2 F PHE PHE 141 141 C C 0 SEQCRD 2 I ILE ILE 142 142 C C 0 SEQCRD 2 G GLY GLY 143 143 C C 0 SEQCRD 2 N ASN ASN 144 144 C C 0 SEQCRD 2 Y TYR TYR 145 145 C C 0 SEQCRD 2 V VAL VAL 146 146 C C 0 SEQCRD 2 T THR THR 147 147 C C 0 SEQCRD 2 W TRP TRP 148 148 H H 0 SEQCRD 2 A ALA ALA 149 149 H H 0 SEQCRD 2 D ASP ASP 150 150 H H 0 SEQCRD 2 F PHE PHE 151 151 H H 0 SEQCRD 2 Y TYR TYR 152 152 H H 0 SEQCRD 2 W TRP TRP 153 153 H H 0 SEQCRD 2 D ASP ASP 154 154 H H 0 SEQCRD 2 I ILE ILE 155 155 H H 0 SEQCRD 2 C CYS CYS 156 156 H H 0 SEQCRD 2 S SER SER 157 157 H H 0 SEQCRD 2 T THR THR 158 158 H H 0 SEQCRD 2 T THR THR 159 159 H H 0 SEQCRD 2 L LEU LEU 160 160 H H 0 SEQCRD 2 L LEU LEU 161 161 H H 0 SEQCRD 2 V VAL VAL 162 162 H H 0 SEQCRD 2 L LEU LEU 163 163 H H 0 SEQCRD 2 K LYS LYS 164 164 C C 0 SEQCRD 2 P PRO PRO 165 165 C C 0 SEQCRD 2 D ASP ASP 166 166 C C 0 SEQCRD 2 L LEU LEU 167 167 C C 0 SEQCRD 2 L LEU LEU 168 168 C C 0 SEQCRD 2 G GLY GLY 169 169 C C 0 SEQCRD 2 I ILE ILE 170 170 C C 0 SEQCRD 2 Y TYR TYR 171 171 C C 0 SEQCRD 2 P PRO PRO 172 172 H H 0 SEQCRD 2 R ARG ARG 173 173 H H 0 SEQCRD 2 L LEU LEU 174 174 H H 0 SEQCRD 2 V VAL VAL 175 175 H H 0 SEQCRD 2 S SER SER 176 176 H H 0 SEQCRD 2 L LEU LEU 177 177 H H 0 SEQCRD 2 R ARG ARG 178 178 H H 0 SEQCRD 2 N ASN ASN 179 179 H H 0 SEQCRD 2 K LYS LYS 180 180 H H 0 SEQCRD 2 V VAL VAL 181 181 H H 0 SEQCRD 2 Q GLN GLN 182 182 H H 0 SEQCRD 2 A ALA ALA 183 183 H H 0 SEQCRD 2 I ILE ILE 184 184 C C 0 SEQCRD 2 P PRO PRO 185 185 H H 0 SEQCRD 2 A ALA ALA 186 186 H H 0 SEQCRD 2 I ILE ILE 187 187 H H 0 SEQCRD 2 S SER SER 188 188 H H 0 SEQCRD 2 A ALA ALA 189 189 H H 0 SEQCRD 2 W TRP TRP 190 190 H H 0 SEQCRD 2 I ILE ILE 191 191 H H 0 SEQCRD 2 L LEU LEU 192 192 H H 0 SEQCRD 2 K LYS LYS 193 193 H H 0 SEQCRD 2 R ARG ARG 194 194 C C 0 SEQCRD 2 P PRO PRO 195 195 C C 0 SEQCRD 2 Q GLN GLN 196 196 C C 0 SEQCRD 2 T THR THR 197 197 C C 0 SEQCRD 2 K LYS LYS 198 198 C C 0 SEQCRD 2 L LEU LEU 199 199 C C 0 PARAME method XRAY PARAME resolution 2.3 PARAME R-factor 0.204 PARAME FreeR-factor 0.289