HEADSC 4z9v SEQCRD A H HIS HIS 1 0 C C 0 SEQCRD A M MET MET 2 1 C C 0 SEQCRD A S SER SER 3 2 H H 0 SEQCRD A Q GLN GLN 4 3 H H 0 SEQCRD A S SER SER 5 4 H H 0 SEQCRD A N ASN ASN 6 5 H H 0 SEQCRD A R ARG ARG 7 6 H H 0 SEQCRD A E GLU GLU 8 7 H H 0 SEQCRD A L LEU LEU 9 8 H H 0 SEQCRD A V VAL VAL 10 9 H H 0 SEQCRD A V VAL VAL 11 10 H H 0 SEQCRD A D ASP ASP 12 11 H H 0 SEQCRD A F PHE PHE 13 12 H H 0 SEQCRD A L LEU LEU 14 13 H H 0 SEQCRD A S SER SER 15 14 H H 0 SEQCRD A Y TYR TYR 16 15 H H 0 SEQCRD A K LYS LYS 17 16 H H 0 SEQCRD A L LEU LEU 18 17 H H 0 SEQCRD A S SER SER 19 18 H H 0 SEQCRD A Q GLN GLN 20 19 H H 0 SEQCRD A K LYS LYS 21 20 H H 0 SEQCRD A G GLY GLY 22 21 C C 0 SEQCRD A Y TYR TYR 23 22 C C 0 SEQCRD A S SER SER 24 23 C C 0 SEQCRD A W TRP TRP 25 24 C C 0 SEQCRD A S SER SER 26 25 C C 0 SEQCRD A Q GLN GLN 27 26 H H 0 SEQCRD A M MET MET 28 83 H H 0 SEQCRD A A ALA ALA 29 84 H H 0 SEQCRD A A ALA ALA 30 85 H H 0 SEQCRD A V VAL VAL 31 86 H H 0 SEQCRD A K LYS LYS 32 87 H H 0 SEQCRD A Q GLN GLN 33 88 H H 0 SEQCRD A A ALA ALA 34 89 H H 0 SEQCRD A L LEU LEU 35 90 H H 0 SEQCRD A R ARG ARG 36 91 H H 0 SEQCRD A E GLU GLU 37 92 H H 0 SEQCRD A A ALA ALA 38 93 H H 0 SEQCRD A G GLY GLY 39 94 H H 0 SEQCRD A D ASP ASP 40 95 H H 0 SEQCRD A E GLU GLU 41 96 H H 0 SEQCRD A F PHE PHE 42 97 H H 0 SEQCRD A E GLU GLU 43 98 H H 0 SEQCRD A L LEU LEU 44 99 H H 0 SEQCRD A R ARG ARG 45 100 H H 0 SEQCRD A Y TYR TYR 46 101 H H 0 SEQCRD A R ARG ARG 47 102 H H 0 SEQCRD A R ARG ARG 48 103 H H 0 SEQCRD A A ALA ALA 49 104 C C 0 SEQCRD A F PHE PHE 50 105 C C 0 SEQCRD A S SER SER 51 106 C C 0 SEQCRD A D ASP ASP 52 107 C C 0 SEQCRD A L LEU LEU 53 108 C C 0 SEQCRD A T THR THR 54 109 C C 0 SEQCRD A S SER SER 55 110 C C 0 SEQCRD A Q GLN GLN 56 111 C C 0 SEQCRD A L LEU LEU 57 112 C C 0 SEQCRD A H HIS HIS 58 113 C C 0 SEQCRD A I ILE ILE 59 114 C C 0 SEQCRD A T THR THR 60 115 C C 0 SEQCRD A P PRO PRO 61 116 C C 0 SEQCRD A G GLY GLY 62 117 C C 0 SEQCRD A T THR THR 63 118 H H 0 SEQCRD A A ALA ALA 64 119 H H 0 SEQCRD A Y TYR TYR 65 120 H H 0 SEQCRD A Q GLN GLN 66 121 H H 0 SEQCRD A S SER SER 67 122 H H 0 SEQCRD A F PHE PHE 68 123 H H 0 SEQCRD A E GLU GLU 69 124 H H 0 SEQCRD A Q GLN GLN 70 125 H H 0 SEQCRD A V VAL VAL 71 126 H H 0 SEQCRD A V VAL VAL 72 127 H H 0 SEQCRD A N ASN ASN 73 128 H H 0 SEQCRD A E GLU GLU 74 129 H H 0 SEQCRD A L LEU LEU 75 130 H H 0 SEQCRD A F PHE PHE 76 131 H H 0 SEQCRD A R ARG ARG 77 132 C C 0 SEQCRD A D ASP ASP 78 133 C C 0 SEQCRD A G GLY GLY 79 134 C C 0 SEQCRD A V VAL VAL 80 135 C C 0 SEQCRD A N ASN ASN 81 136 H H 0 SEQCRD A W TRP TRP 82 137 H H 0 SEQCRD A G GLY GLY 83 138 H H 0 SEQCRD A R ARG ARG 84 139 H H 0 SEQCRD A I ILE ILE 85 140 H H 0 SEQCRD A V VAL VAL 86 141 H H 0 SEQCRD A A ALA ALA 87 142 H H 0 SEQCRD A F PHE PHE 88 143 H H 0 SEQCRD A F PHE PHE 89 144 H H 0 SEQCRD A S SER SER 90 145 H H 0 SEQCRD A F PHE PHE 91 146 H H 0 SEQCRD A G GLY GLY 92 147 H H 0 SEQCRD A G GLY GLY 93 148 H H 0 SEQCRD A A ALA ALA 94 149 H H 0 SEQCRD A L LEU LEU 95 150 H H 0 SEQCRD A C CYS CYS 96 151 H H 0 SEQCRD A V VAL VAL 97 152 H H 0 SEQCRD A E GLU GLU 98 153 H H 0 SEQCRD A S SER SER 99 154 H H 0 SEQCRD A V VAL VAL 100 155 H H 0 SEQCRD A D ASP ASP 101 156 H H 0 SEQCRD A K LYS LYS 102 157 H H 0 SEQCRD A E GLU GLU 103 158 C C 0 SEQCRD A M MET MET 104 159 H H 0 SEQCRD A Q GLN GLN 105 160 H H 0 SEQCRD A V VAL VAL 106 161 H H 0 SEQCRD A L LEU LEU 107 162 H H 0 SEQCRD A V VAL VAL 108 163 H H 0 SEQCRD A S SER SER 109 164 H H 0 SEQCRD A R ARG ARG 110 165 H H 0 SEQCRD A I ILE ILE 111 166 H H 0 SEQCRD A A ALA ALA 112 167 H H 0 SEQCRD A A ALA ALA 113 168 H H 0 SEQCRD A W TRP TRP 114 169 H H 0 SEQCRD A M MET MET 115 170 H H 0 SEQCRD A A ALA ALA 116 171 H H 0 SEQCRD A T THR THR 117 172 H H 0 SEQCRD A Y TYR TYR 118 173 H H 0 SEQCRD A L LEU LEU 119 174 H H 0 SEQCRD A N ASN ASN 120 175 H H 0 SEQCRD A D ASP ASP 121 176 H H 0 SEQCRD A H HIS HIS 122 177 H H 0 SEQCRD A L LEU LEU 123 178 H H 0 SEQCRD A E GLU GLU 124 179 H H 0 SEQCRD A P PRO PRO 125 180 H H 0 SEQCRD A W TRP TRP 126 181 H H 0 SEQCRD A I ILE ILE 127 182 H H 0 SEQCRD A Q GLN GLN 128 183 H H 0 SEQCRD A E GLU GLU 129 184 H H 0 SEQCRD A N ASN ASN 130 185 H H 0 SEQCRD A G GLY GLY 131 186 H H 0 SEQCRD A G GLY GLY 132 187 H H 0 SEQCRD A W TRP TRP 133 188 H H 0 SEQCRD A D ASP ASP 134 189 H H 0 SEQCRD A T THR THR 135 190 H H 0 SEQCRD A F PHE PHE 136 191 H H 0 SEQCRD A V VAL VAL 137 192 H H 0 SEQCRD A E GLU GLU 138 193 H H 0 SEQCRD A L LEU LEU 139 194 H H 0 SEQCRD A Y TYR TYR 140 195 H H 0 SEQCRD A G GLY GLY 141 196 H H 0 SEQCRD A N ASN ASN 142 197 C C 0 SEQCRD A N ASN ASN 143 198 H H 0 SEQCRD A A ALA ALA 144 199 H H 0 SEQCRD A A ALA ALA 145 200 H H 0 SEQCRD A A ALA ALA 146 201 H H 0 SEQCRD A E GLU GLU 147 202 H H 0 SEQCRD A S SER SER 148 203 H H 0 SEQCRD A R ARG ARG 149 204 H H 0 SEQCRD A K LYS LYS 150 205 H H 0 SEQCRD A G GLY GLY 151 206 H H 0 SEQCRD A Q GLN GLN 152 207 C C 0 SEQCRD A E GLU GLU 153 208 C C 0 SEQCRD B H HIS --- 1 - - - 0 SEQCRD B M MET MET 2 1 C C 0 SEQCRD B S SER SER 3 2 H H 0 SEQCRD B Q GLN GLN 4 3 H H 0 SEQCRD B S SER SER 5 4 H H 0 SEQCRD B N ASN ASN 6 5 H H 0 SEQCRD B R ARG ARG 7 6 H H 0 SEQCRD B E GLU GLU 8 7 H H 0 SEQCRD B L LEU LEU 9 8 H H 0 SEQCRD B V VAL VAL 10 9 H H 0 SEQCRD B V VAL VAL 11 10 H H 0 SEQCRD B D ASP ASP 12 11 H H 0 SEQCRD B F PHE PHE 13 12 H H 0 SEQCRD B L LEU LEU 14 13 H H 0 SEQCRD B S SER SER 15 14 H H 0 SEQCRD B Y TYR TYR 16 15 H H 0 SEQCRD B K LYS LYS 17 16 H H 0 SEQCRD B L LEU LEU 18 17 H H 0 SEQCRD B S SER SER 19 18 H H 0 SEQCRD B Q GLN GLN 20 19 H H 0 SEQCRD B K LYS LYS 21 20 H H 0 SEQCRD B G GLY GLY 22 21 C C 0 SEQCRD B Y TYR TYR 23 22 C C 0 SEQCRD B S SER SER 24 23 C C 0 SEQCRD B W TRP TRP 25 24 C C 0 SEQCRD B S SER SER 26 25 C C 0 SEQCRD B Q GLN GLN 27 26 H H 0 SEQCRD B M MET MET 28 83 H H 0 SEQCRD B A ALA ALA 29 84 H H 0 SEQCRD B A ALA ALA 30 85 H H 0 SEQCRD B V VAL VAL 31 86 H H 0 SEQCRD B K LYS LYS 32 87 H H 0 SEQCRD B Q GLN GLN 33 88 H H 0 SEQCRD B A ALA ALA 34 89 H H 0 SEQCRD B L LEU LEU 35 90 H H 0 SEQCRD B R ARG ARG 36 91 H H 0 SEQCRD B E GLU GLU 37 92 H H 0 SEQCRD B A ALA ALA 38 93 H H 0 SEQCRD B G GLY GLY 39 94 H H 0 SEQCRD B D ASP ASP 40 95 H H 0 SEQCRD B E GLU GLU 41 96 H H 0 SEQCRD B F PHE PHE 42 97 H H 0 SEQCRD B E GLU GLU 43 98 H H 0 SEQCRD B L LEU LEU 44 99 H H 0 SEQCRD B R ARG ARG 45 100 H H 0 SEQCRD B Y TYR TYR 46 101 H H 0 SEQCRD B R ARG ARG 47 102 H H 0 SEQCRD B R ARG ARG 48 103 H H 0 SEQCRD B A ALA ALA 49 104 H H 0 SEQCRD B F PHE PHE 50 105 H H 0 SEQCRD B S SER SER 51 106 C C 0 SEQCRD B D ASP ASP 52 107 H H 0 SEQCRD B L LEU LEU 53 108 H H 0 SEQCRD B T THR THR 54 109 H H 0 SEQCRD B S SER SER 55 110 H H 0 SEQCRD B Q GLN GLN 56 111 H H 0 SEQCRD B L LEU LEU 57 112 C C 0 SEQCRD B H HIS HIS 58 113 C C 0 SEQCRD B I ILE ILE 59 114 C C 0 SEQCRD B T THR THR 60 115 C C 0 SEQCRD B P PRO PRO 61 116 C C 0 SEQCRD B G GLY GLY 62 117 C C 0 SEQCRD B T THR THR 63 118 H H 0 SEQCRD B A ALA ALA 64 119 H H 0 SEQCRD B Y TYR TYR 65 120 H H 0 SEQCRD B Q GLN GLN 66 121 H H 0 SEQCRD B S SER SER 67 122 H H 0 SEQCRD B F PHE PHE 68 123 H H 0 SEQCRD B E GLU GLU 69 124 H H 0 SEQCRD B Q GLN GLN 70 125 H H 0 SEQCRD B V VAL VAL 71 126 H H 0 SEQCRD B V VAL VAL 72 127 H H 0 SEQCRD B N ASN ASN 73 128 H H 0 SEQCRD B E GLU GLU 74 129 H H 0 SEQCRD B L LEU LEU 75 130 H H 0 SEQCRD B F PHE PHE 76 131 H H 0 SEQCRD B R ARG ARG 77 132 C C 0 SEQCRD B D ASP ASP 78 133 C C 0 SEQCRD B G GLY GLY 79 134 C C 0 SEQCRD B V VAL VAL 80 135 C C 0 SEQCRD B N ASN ASN 81 136 H H 0 SEQCRD B W TRP TRP 82 137 H H 0 SEQCRD B G GLY GLY 83 138 H H 0 SEQCRD B R ARG ARG 84 139 H H 0 SEQCRD B I ILE ILE 85 140 H H 0 SEQCRD B V VAL VAL 86 141 H H 0 SEQCRD B A ALA ALA 87 142 H H 0 SEQCRD B F PHE PHE 88 143 H H 0 SEQCRD B F PHE PHE 89 144 H H 0 SEQCRD B S SER SER 90 145 H H 0 SEQCRD B F PHE PHE 91 146 H H 0 SEQCRD B G GLY GLY 92 147 H H 0 SEQCRD B G GLY GLY 93 148 H H 0 SEQCRD B A ALA ALA 94 149 H H 0 SEQCRD B L LEU LEU 95 150 H H 0 SEQCRD B C CYS CYS 96 151 H H 0 SEQCRD B V VAL VAL 97 152 H H 0 SEQCRD B E GLU GLU 98 153 H H 0 SEQCRD B S SER SER 99 154 H H 0 SEQCRD B V VAL VAL 100 155 H H 0 SEQCRD B D ASP ASP 101 156 H H 0 SEQCRD B K LYS LYS 102 157 H H 0 SEQCRD B E GLU GLU 103 158 C C 0 SEQCRD B M MET MET 104 159 C C 0 SEQCRD B Q GLN GLN 105 160 C C 0 SEQCRD B V VAL VAL 106 161 H H 0 SEQCRD B L LEU LEU 107 162 H H 0 SEQCRD B V VAL VAL 108 163 H H 0 SEQCRD B S SER SER 109 164 H H 0 SEQCRD B R ARG ARG 110 165 H H 0 SEQCRD B I ILE ILE 111 166 H H 0 SEQCRD B A ALA ALA 112 167 H H 0 SEQCRD B A ALA ALA 113 168 H H 0 SEQCRD B W TRP TRP 114 169 H H 0 SEQCRD B M MET MET 115 170 H H 0 SEQCRD B A ALA ALA 116 171 H H 0 SEQCRD B T THR THR 117 172 H H 0 SEQCRD B Y TYR TYR 118 173 H H 0 SEQCRD B L LEU LEU 119 174 H H 0 SEQCRD B N ASN ASN 120 175 H H 0 SEQCRD B D ASP ASP 121 176 H H 0 SEQCRD B H HIS HIS 122 177 H H 0 SEQCRD B L LEU LEU 123 178 H H 0 SEQCRD B E GLU GLU 124 179 H H 0 SEQCRD B P PRO PRO 125 180 H H 0 SEQCRD B W TRP TRP 126 181 H H 0 SEQCRD B I ILE ILE 127 182 H H 0 SEQCRD B Q GLN GLN 128 183 H H 0 SEQCRD B E GLU GLU 129 184 H H 0 SEQCRD B N ASN ASN 130 185 H H 0 SEQCRD B G GLY GLY 131 186 H H 0 SEQCRD B G GLY GLY 132 187 H H 0 SEQCRD B W TRP TRP 133 188 H H 0 SEQCRD B D ASP ASP 134 189 H H 0 SEQCRD B T THR THR 135 190 H H 0 SEQCRD B F PHE PHE 136 191 H H 0 SEQCRD B V VAL VAL 137 192 H H 0 SEQCRD B E GLU GLU 138 193 H H 0 SEQCRD B L LEU LEU 139 194 H H 0 SEQCRD B Y TYR TYR 140 195 H H 0 SEQCRD B G GLY GLY 141 196 H H 0 SEQCRD B N ASN ASN 142 197 C C 0 SEQCRD B N ASN ASN 143 198 H H 0 SEQCRD B A ALA ALA 144 199 H H 0 SEQCRD B A ALA ALA 145 200 H H 0 SEQCRD B A ALA ALA 146 201 H H 0 SEQCRD B E GLU GLU 147 202 H H 0 SEQCRD B S SER SER 148 203 H H 0 SEQCRD B R ARG ARG 149 204 H H 0 SEQCRD B K LYS LYS 150 205 H H 0 SEQCRD B G GLY GLY 151 206 H H 0 SEQCRD B Q GLN GLN 152 207 C C 0 SEQCRD B E GLU --- 153 - - - 0 SEQCRD C D ASP --- 1 - - - 0 SEQCRD C E GLU --- 2 - - - 0 SEQCRD C M MET --- 3 - - - 0 SEQCRD C F PHE --- 4 - - - 0 SEQCRD C S SER SER 5 15 C C 0 SEQCRD C D ASP ASP 6 16 H H 0 SEQCRD C I ILE ILE 7 17 H H 0 SEQCRD C Y TYR TYR 8 18 H H 0 SEQCRD C K LYS LYS 9 19 H H 0 SEQCRD C I ILE ILE 10 20 H H 0 SEQCRD C R ARG ARG 11 21 H H 0 SEQCRD C E GLU GLU 12 22 H H 0 SEQCRD C I ILE ILE 13 23 H H 0 SEQCRD C A ALA ALA 14 24 H H 0 SEQCRD C D ASP ASP 15 25 H H 0 SEQCRD C G GLY GLY 16 26 H H 0 SEQCRD C L LEU LEU 17 27 H H 0 SEQCRD C C CYS CYS 18 28 C C 0 SEQCRD C L LEU LEU 19 29 C C 0 SEQCRD C E GLU --- 20 - - - 0 SEQCRD C V VAL --- 21 - - - 0 SEQCRD D D ASP --- 1 - - - 0 SEQCRD D E GLU --- 2 - - - 0 SEQCRD D M MET --- 3 - - - 0 SEQCRD D F PHE PHE 4 14 C C 0 SEQCRD D S SER SER 5 15 H H 0 SEQCRD D D ASP ASP 6 16 H H 0 SEQCRD D I ILE ILE 7 17 H H 0 SEQCRD D Y TYR TYR 8 18 H H 0 SEQCRD D K LYS LYS 9 19 H H 0 SEQCRD D I ILE ILE 10 20 H H 0 SEQCRD D R ARG ARG 11 21 H H 0 SEQCRD D E GLU GLU 12 22 H H 0 SEQCRD D I ILE ILE 13 23 H H 0 SEQCRD D A ALA ALA 14 24 H H 0 SEQCRD D D ASP ASP 15 25 H H 0 SEQCRD D G GLY GLY 16 26 H H 0 SEQCRD D L LEU LEU 17 27 H H 0 SEQCRD D C CYS CYS 18 28 C C 0 SEQCRD D L LEU LEU 19 29 C C 0 SEQCRD D E GLU --- 20 - - - 0 SEQCRD D V VAL --- 21 - - - 0 SEQCRD E D ASP ASP 1 11 C C 0 SEQCRD E E GLU GLU 2 12 C C 0 SEQCRD E M MET MET 3 13 C C 0 SEQCRD E F PHE PHE 4 14 C C 0 SEQCRD E S SER SER 5 15 C C 0 SEQCRD E D ASP ASP 6 16 C C 0 SEQCRD E I ILE ILE 7 17 C C 0 SEQCRD E Y TYR TYR 8 18 C C 0 SEQCRD E K LYS LYS 9 19 H H 0 SEQCRD E I ILE ILE 10 20 H H 0 SEQCRD E R ARG ARG 11 21 H H 0 SEQCRD E E GLU GLU 12 22 H H 0 SEQCRD E I ILE ILE 13 23 H H 0 SEQCRD E A ALA ALA 14 24 H H 0 SEQCRD E D ASP ASP 15 25 H H 0 SEQCRD E G GLY GLY 16 26 H H 0 SEQCRD E L LEU LEU 17 27 H H 0 SEQCRD E C CYS CYS 18 28 H H 0 SEQCRD E L LEU LEU 19 29 C C 0 SEQCRD E E GLU GLU 20 30 C C 0 SEQCRD E V VAL VAL 21 31 C C 0 SEQCRD F D ASP ASP 1 11 C C 0 SEQCRD F E GLU GLU 2 12 C C 0 SEQCRD F M MET MET 3 13 C C 0 SEQCRD F F PHE PHE 4 14 C C 0 SEQCRD F S SER SER 5 15 C C 0 SEQCRD F D ASP ASP 6 16 C C 0 SEQCRD F I ILE ILE 7 17 C C 0 SEQCRD F Y TYR TYR 8 18 C C 0 SEQCRD F K LYS LYS 9 19 H H 0 SEQCRD F I ILE ILE 10 20 H H 0 SEQCRD F R ARG ARG 11 21 H H 0 SEQCRD F E GLU GLU 12 22 H H 0 SEQCRD F I ILE ILE 13 23 H H 0 SEQCRD F A ALA ALA 14 24 H H 0 SEQCRD F D ASP ASP 15 25 H H 0 SEQCRD F G GLY GLY 16 26 H H 0 SEQCRD F L LEU LEU 17 27 H H 0 SEQCRD F C CYS CYS 18 28 H H 0 SEQCRD F L LEU LEU 19 29 C C 0 SEQCRD F E GLU GLU 20 30 C C 0 SEQCRD F V VAL --- 21 - - - 0 SEQCRD G D ASP ASP 1 11 C C 0 SEQCRD G E GLU GLU 2 12 C C 0 SEQCRD G M MET MET 3 13 C C 0 SEQCRD G F PHE PHE 4 14 H H 0 SEQCRD G S SER SER 5 15 H H 0 SEQCRD G D ASP ASP 6 16 H H 0 SEQCRD G I ILE ILE 7 17 H H 0 SEQCRD G Y TYR TYR 8 18 H H 0 SEQCRD G K LYS LYS 9 19 H H 0 SEQCRD G I ILE ILE 10 20 H H 0 SEQCRD G R ARG ARG 11 21 H H 0 SEQCRD G E GLU GLU 12 22 H H 0 SEQCRD G I ILE ILE 13 23 H H 0 SEQCRD G A ALA ALA 14 24 H H 0 SEQCRD G D ASP ASP 15 25 C C 0 SEQCRD G G GLY GLY 16 26 C C 0 SEQCRD G L LEU LEU 17 27 C C 0 SEQCRD G C CYS CYS 18 28 C C 0 SEQCRD G L LEU LEU 19 29 C C 0 SEQCRD G E GLU GLU 20 30 C C 0 SEQCRD G V VAL VAL 21 31 C C 0 SEQCRD H D ASP ASP 1 11 C C 0 SEQCRD H E GLU GLU 2 12 C C 0 SEQCRD H M MET MET 3 13 C C 0 SEQCRD H F PHE PHE 4 14 H H 0 SEQCRD H S SER SER 5 15 H H 0 SEQCRD H D ASP ASP 6 16 H H 0 SEQCRD H I ILE ILE 7 17 H H 0 SEQCRD H Y TYR TYR 8 18 H H 0 SEQCRD H K LYS LYS 9 19 H H 0 SEQCRD H I ILE ILE 10 20 H H 0 SEQCRD H R ARG ARG 11 21 H H 0 SEQCRD H E GLU GLU 12 22 H H 0 SEQCRD H I ILE ILE 13 23 H H 0 SEQCRD H A ALA ALA 14 24 H H 0 SEQCRD H D ASP ASP 15 25 C C 0 SEQCRD H G GLY GLY 16 26 C C 0 SEQCRD H L LEU LEU 17 27 C C 0 SEQCRD H C CYS CYS 18 28 C C 0 SEQCRD H L LEU LEU 19 29 C C 0 SEQCRD H E GLU GLU 20 30 C C 0 SEQCRD H V VAL VAL 21 31 C C 0 PARAME method XRAY PARAME resolution 2.099 PARAME R-factor 0.1870 PARAME FreeR-factor 0.2218