HEADSC 1q4j COMMNT S2C correlation file created: Sat Jul 24 01:17:21 EDT 2004 COMMNT COMMNT If you use this database, please cite: COMMNT COMMNT Guoli Wang, Jonathan W. Arthur, and Roland L. Dunbrack, Jr. COMMNT "S2C: A database correlating sequence and atomic COMMNT coordinate numbering in the Protein Data Bank" COMMNT www.fccc.edu/research/labs/dubrack/s2c COMMNT Copyright (c) February 2000, April 2002. COMMNT COMMNT SEQCRD columns are as follows: COMMNT COMMNT Column Positions Item COMMNT 1 0-6 Record identifier COMMNT 2 8 Chain COMMNT 3 10 One letter residue code COMMNT 4 12-14 SEQRES three letter residue code COMMNT 5 16-18 ATOM three letter residue code COMMNT 6 20-24 SEQRES residue number COMMNT 7 26-31 ATOM residue number COMMNT 8 33 PDB secondary structure COMMNT 9 35 STRIDE secondary structure COMMNT 10 37-43 Error flags COMMNT COMMNT Secondary structrue annotation: COMMNT H: Helix E: Strand T: Turn COMMNT B: Bridge G: 310Helix C: Coil COMMNT SEQCRD A M MET --- 1 - - - 367 SEQCRD A G GLY --- 2 - - - 367 SEQCRD A D ASP ASP 3 3 C C - SEQCRD A N ASN ASN 4 4 C C - SEQCRD A I ILE ILE 5 5 E E - SEQCRD A V VAL VAL 6 6 E E - SEQCRD A L LEU LEU 7 7 E E - SEQCRD A Y TYR TYR 8 8 E E - SEQCRD A Y TYR TYR 9 9 E E - SEQCRD A F PHE PHE 10 10 E E - SEQCRD A D ASP ASP 11 11 C T 5 SEQCRD A A ALA ALA 12 12 C T 5 SEQCRD A R ARG ARG 13 13 H T 5 SEQCRD A G GLY GLY 14 14 H T 5 SEQCRD A K LYS LYS 15 15 H T 5 SEQCRD A A ALA ALA 16 16 H H - SEQCRD A E GLU GLU 17 17 H H - SEQCRD A L LEU LEU 18 18 H H - SEQCRD A I ILE ILE 19 19 H H - SEQCRD A R ARG ARG 20 20 H H - SEQCRD A L LEU LEU 21 21 H H - SEQCRD A I ILE ILE 22 22 H H - SEQCRD A F PHE PHE 23 23 H H - SEQCRD A A ALA ALA 24 24 H H - SEQCRD A Y TYR TYR 25 25 H H - SEQCRD A L LEU LEU 26 26 H H - SEQCRD A G GLY GLY 27 27 H C 5 SEQCRD A I ILE ILE 28 28 C C - SEQCRD A E GLU GLU 29 29 C C - SEQCRD A Y TYR TYR 30 30 C C - SEQCRD A T THR THR 31 31 E E - SEQCRD A D ASP ASP 32 32 E E - SEQCRD A K LYS LYS 33 33 E E - SEQCRD A R ARG ARG 34 34 E E - SEQCRD A F PHE PHE 35 35 E E - SEQCRD A G GLY GLY 36 36 C T 5 SEQCRD A V VAL VAL 37 37 C T 5 SEQCRD A N ASN ASN 38 38 C T 5 SEQCRD A G GLY GLY 39 39 C T 5 SEQCRD A D ASP ASP 40 40 H C 5 SEQCRD A A ALA ALA 41 41 H H - SEQCRD A F PHE PHE 42 42 H H - SEQCRD A V VAL VAL 43 43 H H - SEQCRD A E GLU GLU 44 44 H H - SEQCRD A F PHE PHE 45 45 H H - SEQCRD A K LYS LYS 46 46 H H - SEQCRD A N ASN ASN 47 47 H H - SEQCRD A F PHE PHE 48 48 H H - SEQCRD A K LYS LYS 49 49 H H - SEQCRD A K LYS LYS 50 50 H H - SEQCRD A E GLU GLU 51 51 H H - SEQCRD A K LYS LYS 52 52 H C 5 SEQCRD A D ASP ASP 53 53 C C - SEQCRD A T THR THR 54 54 C T 5 SEQCRD A P PRO PRO 55 55 C T 5 SEQCRD A F PHE PHE 56 56 C T 5 SEQCRD A E GLU GLU 57 57 C T 5 SEQCRD A Q GLN GLN 58 58 C C - SEQCRD A V VAL VAL 59 59 C C - SEQCRD A P PRO PRO 60 60 C C - SEQCRD A I ILE ILE 61 61 E E - SEQCRD A L LEU LEU 62 62 E E - SEQCRD A Q GLN GLN 63 63 E E - SEQCRD A I ILE ILE 64 64 E E - SEQCRD A G GLY GLY 65 65 C T 5 SEQCRD A D ASP ASP 66 66 C T 5 SEQCRD A L LEU LEU 67 67 E E - SEQCRD A I ILE ILE 68 68 E E - SEQCRD A L LEU LEU 69 69 E E - SEQCRD A A ALA ALA 70 70 E E - SEQCRD A Q GLN GLN 71 71 H C 5 SEQCRD A S SER SER 72 72 H H - SEQCRD A Q GLN GLN 73 73 H H - SEQCRD A A ALA ALA 74 74 H H - SEQCRD A I ILE ILE 75 75 H H - SEQCRD A V VAL VAL 76 76 H H - SEQCRD A R ARG ARG 77 77 H H - SEQCRD A Y TYR TYR 78 78 H H - SEQCRD A L LEU LEU 79 79 H H - SEQCRD A S SER SER 80 80 H H - SEQCRD A K LYS LYS 81 81 H H - SEQCRD A K LYS LYS 82 82 H H - SEQCRD A Y TYR TYR 83 83 H H - SEQCRD A N ASN ASN 84 84 C C - SEQCRD A I ILE ILE 85 85 C C - SEQCRD A C CYS CYS 86 86 C C - SEQCRD A G GLY GLY 87 87 C C - SEQCRD A E GLU GLU 88 88 C C - SEQCRD A S SER SER 89 89 H C 5 SEQCRD A E GLU GLU 90 90 H H - SEQCRD A L LEU LEU 91 91 H H - SEQCRD A N ASN ASN 92 92 H H - SEQCRD A E GLU GLU 93 93 H H - SEQCRD A F PHE PHE 94 94 H H - SEQCRD A Y TYR TYR 95 95 H H - SEQCRD A A ALA ALA 96 96 H H - SEQCRD A D ASP ASP 97 97 H H - SEQCRD A M MET MET 98 98 H H - SEQCRD A I ILE ILE 99 99 H H - SEQCRD A F PHE PHE 100 100 H H - SEQCRD A C CYS CYS 101 101 H H - SEQCRD A G GLY GLY 102 102 H H - SEQCRD A V VAL VAL 103 103 H H - SEQCRD A Q GLN GLN 104 104 H H - SEQCRD A D ASP ASP 105 105 H H - SEQCRD A I ILE ILE 106 106 H H - SEQCRD A H HIS HIS 107 107 H H - SEQCRD A Y TYR TYR 108 108 H H - SEQCRD A K LYS LYS 109 109 H H - SEQCRD A F PHE PHE 110 110 H H - SEQCRD A N ASN ASN 111 111 H H - SEQCRD A N ASN ASN 112 112 H H - SEQCRD A T THR THR 113 113 H H - SEQCRD A N ASN ASN 114 114 H T 5 SEQCRD A L LEU LEU 115 115 C T 5 SEQCRD A F PHE PHE 116 116 C T 5 SEQCRD A K LYS LYS 117 117 C T 5 SEQCRD A Q GLN GLN 118 118 C T 5 SEQCRD A N ASN ASN 119 119 H T 5 SEQCRD A E GLU GLU 120 120 H H - SEQCRD A T THR THR 121 121 H H - SEQCRD A T THR THR 122 122 H H - SEQCRD A F PHE PHE 123 123 H H - SEQCRD A L LEU LEU 124 124 H H - SEQCRD A N ASN ASN 125 125 H H - SEQCRD A E GLU GLU 126 126 H H - SEQCRD A D ASP ASP 127 127 H H - SEQCRD A L LEU LEU 128 128 H H - SEQCRD A P PRO PRO 129 129 H H - SEQCRD A K LYS LYS 130 130 H H - SEQCRD A W TRP TRP 131 131 H H - SEQCRD A S SER SER 132 132 H H - SEQCRD A G GLY GLY 133 133 H H - SEQCRD A Y TYR TYR 134 134 H H - SEQCRD A F PHE PHE 135 135 H H - SEQCRD A E GLU GLU 136 136 H H - SEQCRD A K LYS LYS 137 137 H H - SEQCRD A L LEU LEU 138 138 H H - SEQCRD A L LEU LEU 139 139 H H - SEQCRD A K LYS LYS 140 140 H H - SEQCRD A K LYS LYS 141 141 H H - SEQCRD A N ASN ASN 142 142 H H - SEQCRD A H HIS HIS 143 143 C T 5 SEQCRD A T THR THR 144 144 C T 5 SEQCRD A N ASN ASN 145 145 C T 5 SEQCRD A N ASN ASN 146 146 C T 5 SEQCRD A N ASN ASN 147 147 C T 5 SEQCRD A N ASN ASN 148 148 C T 5 SEQCRD A D ASP ASP 149 149 C T 5 SEQCRD A K LYS LYS 150 150 C T 5 SEQCRD A Y TYR TYR 151 151 C C - SEQCRD A Y TYR TYR 152 152 C T 5 SEQCRD A F PHE PHE 153 153 C T 5 SEQCRD A V VAL VAL 154 154 C T 5 SEQCRD A G GLY GLY 155 155 C T 5 SEQCRD A N ASN ASN 156 156 C C - SEQCRD A N ASN ASN 157 157 C C - SEQCRD A L LEU LEU 158 158 C C - SEQCRD A T THR THR 159 159 H C 5 SEQCRD A Y TYR TYR 160 160 H H - SEQCRD A A ALA ALA 161 161 H H - SEQCRD A D ASP ASP 162 162 H H - SEQCRD A L LEU LEU 163 163 H H - SEQCRD A A ALA ALA 164 164 H H - SEQCRD A V VAL VAL 165 165 H H - SEQCRD A F PHE PHE 166 166 H H - SEQCRD A N ASN ASN 167 167 H H - SEQCRD A L LEU LEU 168 168 H H - SEQCRD A Y TYR TYR 169 169 H H - SEQCRD A D ASP ASP 170 170 H H - SEQCRD A D ASP ASP 171 171 H H - SEQCRD A I ILE ILE 172 172 H H - SEQCRD A E GLU GLU 173 173 H H - SEQCRD A T THR THR 174 174 H H - SEQCRD A K LYS LYS 175 175 H H - SEQCRD A Y TYR TYR 176 176 H T 5 SEQCRD A P PRO PRO 177 177 C T 5 SEQCRD A S SER SER 178 178 C T 5 SEQCRD A S SER SER 179 179 C T 5 SEQCRD A L LEU LEU 180 180 C T 5 SEQCRD A K LYS LYS 181 181 C T 5 SEQCRD A N ASN ASN 182 182 C T 5 SEQCRD A F PHE PHE 183 183 H T 5 SEQCRD A P PRO PRO 184 184 H H - SEQCRD A L LEU LEU 185 185 H H - SEQCRD A L LEU LEU 186 186 H H - SEQCRD A K LYS LYS 187 187 H H - SEQCRD A A ALA ALA 188 188 H H - SEQCRD A H HIS HIS 189 189 H H - SEQCRD A N ASN ASN 190 190 H H - SEQCRD A E GLU GLU 191 191 H H - SEQCRD A F PHE PHE 192 192 H H - SEQCRD A I ILE ILE 193 193 H H - SEQCRD A S SER SER 194 194 H H - SEQCRD A N ASN ASN 195 195 H H - SEQCRD A L LEU LEU 196 196 H C 5 SEQCRD A P PRO PRO 197 197 H H - SEQCRD A N ASN ASN 198 198 H H - SEQCRD A I ILE ILE 199 199 H H - SEQCRD A K LYS LYS 200 200 H H - SEQCRD A N ASN ASN 201 201 H H - SEQCRD A Y TYR TYR 202 202 H H - SEQCRD A I ILE ILE 203 203 H H - SEQCRD A T THR THR 204 204 H H - SEQCRD A N ASN ASN 205 205 H H - SEQCRD A R ARG ARG 206 206 H C 5 SEQCRD A K LYS LYS 207 207 C C - SEQCRD A E GLU GLU 208 208 C C - SEQCRD A S SER SER 209 209 C C - SEQCRD A V VAL VAL 210 210 C C - SEQCRD A Y TYR TYR 211 211 C C - SEQCRD B M MET --- 1 - - - 367 SEQCRD B G GLY --- 2 - - - 367 SEQCRD B D ASP ASP 3 3 C C - SEQCRD B N ASN ASN 4 4 C C - SEQCRD B I ILE ILE 5 5 E E - SEQCRD B V VAL VAL 6 6 E E - SEQCRD B L LEU LEU 7 7 E E - SEQCRD B Y TYR TYR 8 8 E E - SEQCRD B Y TYR TYR 9 9 E E - SEQCRD B F PHE PHE 10 10 E E - SEQCRD B D ASP ASP 11 11 C T 5 SEQCRD B A ALA ALA 12 12 C T 5 SEQCRD B R ARG ARG 13 13 C T 5 SEQCRD B G GLY GLY 14 14 C T 5 SEQCRD B K LYS LYS 15 15 C T 5 SEQCRD B A ALA ALA 16 16 H H - SEQCRD B E GLU GLU 17 17 H H - SEQCRD B L LEU LEU 18 18 H H - SEQCRD B I ILE ILE 19 19 H H - SEQCRD B R ARG ARG 20 20 H H - SEQCRD B L LEU LEU 21 21 H H - SEQCRD B I ILE ILE 22 22 H H - SEQCRD B F PHE PHE 23 23 H H - SEQCRD B A ALA ALA 24 24 H H - SEQCRD B Y TYR TYR 25 25 H H - SEQCRD B L LEU LEU 26 26 H H - SEQCRD B G GLY GLY 27 27 H C 5 SEQCRD B I ILE ILE 28 28 C C - SEQCRD B E GLU GLU 29 29 C C - SEQCRD B Y TYR TYR 30 30 C C - SEQCRD B T THR THR 31 31 E E - SEQCRD B D ASP ASP 32 32 E E - SEQCRD B K LYS LYS 33 33 E E - SEQCRD B R ARG ARG 34 34 E E - SEQCRD B F PHE PHE 35 35 E E - SEQCRD B G GLY GLY 36 36 C T 5 SEQCRD B V VAL VAL 37 37 C T 5 SEQCRD B N ASN ASN 38 38 C T 5 SEQCRD B G GLY GLY 39 39 C T 5 SEQCRD B D ASP ASP 40 40 H C 5 SEQCRD B A ALA ALA 41 41 H H - SEQCRD B F PHE PHE 42 42 H H - SEQCRD B V VAL VAL 43 43 H H - SEQCRD B E GLU GLU 44 44 H H - SEQCRD B F PHE PHE 45 45 H H - SEQCRD B K LYS LYS 46 46 H H - SEQCRD B N ASN ASN 47 47 H H - SEQCRD B F PHE PHE 48 48 H H - SEQCRD B K LYS LYS 49 49 H H - SEQCRD B K LYS LYS 50 50 H H - SEQCRD B E GLU GLU 51 51 H H - SEQCRD B K LYS LYS 52 52 H C 5 SEQCRD B D ASP ASP 53 53 C C - SEQCRD B T THR THR 54 54 C T 5 SEQCRD B P PRO PRO 55 55 C T 5 SEQCRD B F PHE PHE 56 56 C T 5 SEQCRD B E GLU GLU 57 57 C T 5 SEQCRD B Q GLN GLN 58 58 C C - SEQCRD B V VAL VAL 59 59 C C - SEQCRD B P PRO PRO 60 60 C C - SEQCRD B I ILE ILE 61 61 E E - SEQCRD B L LEU LEU 62 62 E E - SEQCRD B Q GLN GLN 63 63 E E - SEQCRD B I ILE ILE 64 64 E E - SEQCRD B G GLY GLY 65 65 C T 5 SEQCRD B D ASP ASP 66 66 C T 5 SEQCRD B L LEU LEU 67 67 E E - SEQCRD B I ILE ILE 68 68 E E - SEQCRD B L LEU LEU 69 69 E E - SEQCRD B A ALA ALA 70 70 E E - SEQCRD B Q GLN GLN 71 71 H C 5 SEQCRD B S SER SER 72 72 H H - SEQCRD B Q GLN GLN 73 73 H H - SEQCRD B A ALA ALA 74 74 H H - SEQCRD B I ILE ILE 75 75 H H - SEQCRD B V VAL VAL 76 76 H H - SEQCRD B R ARG ARG 77 77 H H - SEQCRD B Y TYR TYR 78 78 H H - SEQCRD B L LEU LEU 79 79 H H - SEQCRD B S SER SER 80 80 H H - SEQCRD B K LYS LYS 81 81 H H - SEQCRD B K LYS LYS 82 82 H H - SEQCRD B Y TYR TYR 83 83 H H - SEQCRD B N ASN ASN 84 84 C T 5 SEQCRD B I ILE ILE 85 85 C T 5 SEQCRD B C CYS CYS 86 86 C T 5 SEQCRD B G GLY GLY 87 87 C T 5 SEQCRD B E GLU GLU 88 88 C C - SEQCRD B S SER SER 89 89 H C 5 SEQCRD B E GLU GLU 90 90 H H - SEQCRD B L LEU LEU 91 91 H H - SEQCRD B N ASN ASN 92 92 H H - SEQCRD B E GLU GLU 93 93 H H - SEQCRD B F PHE PHE 94 94 H H - SEQCRD B Y TYR TYR 95 95 H H - SEQCRD B A ALA ALA 96 96 H H - SEQCRD B D ASP ASP 97 97 H H - SEQCRD B M MET MET 98 98 H H - SEQCRD B I ILE ILE 99 99 H H - SEQCRD B F PHE PHE 100 100 H H - SEQCRD B C CYS CYS 101 101 H H - SEQCRD B G GLY GLY 102 102 H H - SEQCRD B V VAL VAL 103 103 H H - SEQCRD B Q GLN GLN 104 104 H H - SEQCRD B D ASP ASP 105 105 H H - SEQCRD B I ILE ILE 106 106 H H - SEQCRD B H HIS HIS 107 107 H H - SEQCRD B Y TYR TYR 108 108 H H - SEQCRD B K LYS LYS 109 109 H H - SEQCRD B F PHE PHE 110 110 H H - SEQCRD B N ASN ASN 111 111 H H - SEQCRD B N ASN ASN 112 112 H H - SEQCRD B T THR THR 113 113 H H - SEQCRD B N ASN ASN 114 114 H H - SEQCRD B L LEU LEU 115 115 H H - SEQCRD B F PHE PHE 116 116 C C - SEQCRD B K LYS LYS 117 117 C T 5 SEQCRD B Q GLN GLN 118 118 C T 5 SEQCRD B N ASN ASN 119 119 H T 5 SEQCRD B E GLU GLU 120 120 H H - SEQCRD B T THR THR 121 121 H H - SEQCRD B T THR THR 122 122 H H - SEQCRD B F PHE PHE 123 123 H H - SEQCRD B L LEU LEU 124 124 H H - SEQCRD B N ASN ASN 125 125 H H - SEQCRD B E GLU GLU 126 126 H H - SEQCRD B D ASP ASP 127 127 H H - SEQCRD B L LEU LEU 128 128 H H - SEQCRD B P PRO PRO 129 129 H H - SEQCRD B K LYS LYS 130 130 H H - SEQCRD B W TRP TRP 131 131 H H - SEQCRD B S SER SER 132 132 H H - SEQCRD B G GLY GLY 133 133 H H - SEQCRD B Y TYR TYR 134 134 H H - SEQCRD B F PHE PHE 135 135 H H - SEQCRD B E GLU GLU 136 136 H H - SEQCRD B K LYS LYS 137 137 H H - SEQCRD B L LEU LEU 138 138 H H - SEQCRD B L LEU LEU 139 139 H H - SEQCRD B K LYS LYS 140 140 H H - SEQCRD B K LYS LYS 141 141 H H - SEQCRD B N ASN ASN 142 142 H H - SEQCRD B H HIS HIS 143 143 C T 5 SEQCRD B T THR THR 144 144 C T 5 SEQCRD B N ASN ASN 145 145 C T 5 SEQCRD B N ASN ASN 146 146 C T 5 SEQCRD B N ASN ASN 147 147 C T 5 SEQCRD B N ASN ASN 148 148 C T 5 SEQCRD B D ASP ASP 149 149 C T 5 SEQCRD B K LYS LYS 150 150 C T 5 SEQCRD B Y TYR TYR 151 151 C C - SEQCRD B Y TYR TYR 152 152 C T 5 SEQCRD B F PHE PHE 153 153 C T 5 SEQCRD B V VAL VAL 154 154 C T 5 SEQCRD B G GLY GLY 155 155 C T 5 SEQCRD B N ASN ASN 156 156 C T 5 SEQCRD B N ASN ASN 157 157 C T 5 SEQCRD B L LEU LEU 158 158 C C - SEQCRD B T THR THR 159 159 H C 5 SEQCRD B Y TYR TYR 160 160 H H - SEQCRD B A ALA ALA 161 161 H H - SEQCRD B D ASP ASP 162 162 H H - SEQCRD B L LEU LEU 163 163 H H - SEQCRD B A ALA ALA 164 164 H H - SEQCRD B V VAL VAL 165 165 H H - SEQCRD B F PHE PHE 166 166 H H - SEQCRD B N ASN ASN 167 167 H H - SEQCRD B L LEU LEU 168 168 H H - SEQCRD B Y TYR TYR 169 169 H H - SEQCRD B D ASP ASP 170 170 H H - SEQCRD B D ASP ASP 171 171 H H - SEQCRD B I ILE ILE 172 172 H H - SEQCRD B E GLU GLU 173 173 H H - SEQCRD B T THR THR 174 174 H H - SEQCRD B K LYS LYS 175 175 H H - SEQCRD B Y TYR TYR 176 176 H T 5 SEQCRD B P PRO PRO 177 177 C T 5 SEQCRD B S SER SER 178 178 C T 5 SEQCRD B S SER SER 179 179 C T 5 SEQCRD B L LEU LEU 180 180 C T 5 SEQCRD B K LYS LYS 181 181 C T 5 SEQCRD B N ASN ASN 182 182 C T 5 SEQCRD B F PHE PHE 183 183 H T 5 SEQCRD B P PRO PRO 184 184 H H - SEQCRD B L LEU LEU 185 185 H H - SEQCRD B L LEU LEU 186 186 H H - SEQCRD B K LYS LYS 187 187 H H - SEQCRD B A ALA ALA 188 188 H H - SEQCRD B H HIS HIS 189 189 H H - SEQCRD B N ASN ASN 190 190 H H - SEQCRD B E GLU GLU 191 191 H H - SEQCRD B F PHE PHE 192 192 H H - SEQCRD B I ILE ILE 193 193 H H - SEQCRD B S SER SER 194 194 H H - SEQCRD B N ASN ASN 195 195 H H - SEQCRD B L LEU LEU 196 196 H C 5 SEQCRD B P PRO PRO 197 197 H H - SEQCRD B N ASN ASN 198 198 H H - SEQCRD B I ILE ILE 199 199 H H - SEQCRD B K LYS LYS 200 200 H H - SEQCRD B N ASN ASN 201 201 H H - SEQCRD B Y TYR TYR 202 202 H H - SEQCRD B I ILE ILE 203 203 H H - SEQCRD B T THR THR 204 204 H H - SEQCRD B N ASN ASN 205 205 H H - SEQCRD B R ARG ARG 206 206 H C 5 SEQCRD B K LYS LYS 207 207 C C - SEQCRD B E GLU GLU 208 208 C C - SEQCRD B S SER SER 209 209 C C - SEQCRD B V VAL VAL 210 210 C C - SEQCRD B Y TYR TYR 211 211 C C - COMMNT S2CERR 1 0 No standard amino acid code S2CERR 2 0 SEQRES and ATOM residue names differ S2CERR 3 4 No ATOM record S2CERR 4 0 SEQRES and ATOM residue numbers differ S2CERR 5 101 PDB and STRIDE secondary structures differ S2CERR 6 4 PDB secondary structure is absent S2CERR 7 4 STRIDE secondary structure is absent COMMNT COMMNT Crystallographic technical parameters: PARAME method 'X-RAY DIFFRACTION' PARAME resolution 2.20 PARAME R-factor 0.213 PARAME B-factor 39.02 COMMNT COMMNT Reference database information: DATABA source: DATABA GB: NP_702075 (23509408) COMMNT DATABA mutation: