0.023419 0.000000 0.006100 0.000000 0.023981 0.000000 0.000000 0.000000 0.014156 0.00000 0.00000 0.00000 Lesburg, C.A. Christianson, D.W. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 2 90.00 104.60 90.00 42.700 41.700 73.000 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking Zn 2 65.409 ZINC ION non-polymer US Biochemistry BICHAW 0033 0006-2960 36 15780 15791 10.1021/bi971296x 9398308 Histidine --> carboxamide ligand substitutions in the zinc binding site of carbonic anhydrase II alter metal coordination geometry but retain catalytic activity. 1997 10.2210/pdb1h9q/pdb pdb_00001h9q 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 287 1 MIRRORS IMAGE PLATE 1995-10 RIGAKU RAXIS IIC M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU RUH2R 29147.844 CARBONIC ANHYDRASE II 4.2.1.1 H119Q 1 man polymer 65.409 ZINC ION 1 syn non-polymer 18.015 water 38 nat water CAII, CARBONIC DEHYDRATASE no no SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKG GPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELQLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVD VLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMV DNWRPAQPLKNRQIKASFK SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKG GPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELQLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVD VLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMV DNWRPAQPLKNRQIKASFK A polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n human Homo Escherichia sample THIS CAII VARIANT WAS PRODUCED USING OLIGONUCLEOTIDE-DIRECTED MUTAGENESIS OF THE CLONED HUMAN CAII GENE IN BL21 (DE3) PCAM BL21 CAII 9606 Homo sapiens CAII 562 Escherichia coli BL21 (DE3) PCAM BL21 1 2.17 43. 8.0 2M (NH4)2SO4; 100 MM TRIS PH 8.0; 5 MM N-HEXYL BETA-D-GLUCOPYRANOSIDE database_2 pdbx_database_status struct_conn struct_ref_seq_dif struct_site pdbx_initial_refinement_model repository Initial release Version format compliance Version format compliance Database references Derived calculations Other Refinement description 1 0 1997-09-17 1 1 2008-03-24 1 2 2011-07-13 1 3 2021-11-03 1 4 2023-08-09 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id Y BNL 1997-05-29 REL ZN ZINC ION HOH water 2CBA PDB ENTRY 2CBA LESS MUTANT SIDE CHAIN AND SOLVENT MOLECULES PDB experimental model ZN 262 2 ZN ZN 262 A HOH 300 3 HOH HOH 300 A HOH 301 3 HOH HOH 301 A HOH 302 3 HOH HOH 302 A HOH 303 3 HOH HOH 303 A HOH 304 3 HOH HOH 304 A HOH 305 3 HOH HOH 305 A HOH 306 3 HOH HOH 306 A HOH 307 3 HOH HOH 307 A HOH 308 3 HOH HOH 308 A HOH 309 3 HOH HOH 309 A HOH 310 3 HOH HOH 310 A HOH 311 3 HOH HOH 311 A HOH 312 3 HOH HOH 312 A HOH 313 3 HOH HOH 313 A HOH 314 3 HOH HOH 314 A HOH 315 3 HOH HOH 315 A HOH 316 3 HOH HOH 316 A HOH 317 3 HOH HOH 317 A HOH 318 3 HOH HOH 318 A HOH 319 3 HOH HOH 319 A HOH 320 3 HOH HOH 320 A HOH 321 3 HOH HOH 321 A HOH 322 3 HOH HOH 322 A HOH 323 3 HOH HOH 323 A HOH 324 3 HOH HOH 324 A HOH 325 3 HOH HOH 325 A HOH 326 3 HOH HOH 326 A HOH 327 3 HOH HOH 327 A HOH 328 3 HOH HOH 328 A HOH 329 3 HOH HOH 329 A HOH 330 3 HOH HOH 330 A HOH 331 3 HOH HOH 331 A HOH 332 3 HOH HOH 332 A HOH 333 3 HOH HOH 333 A HOH 334 3 HOH HOH 334 A HOH 335 3 HOH HOH 335 A HOH 336 3 HOH HOH 336 A HOH 337 3 HOH HOH 337 A n 1 2 A n 2 3 A n 3 4 A TRP 5 n 4 TRP 5 A GLY 6 n 5 GLY 6 A TYR 7 n 6 TYR 7 A GLY 8 n 7 GLY 8 A LYS 9 n 8 LYS 9 A HIS 10 n 9 HIS 10 A ASN 11 n 10 ASN 11 A GLY 12 n 11 GLY 12 A PRO 13 n 12 PRO 13 A GLU 14 n 13 GLU 14 A HIS 15 n 14 HIS 15 A TRP 16 n 15 TRP 16 A HIS 17 n 16 HIS 17 A LYS 18 n 17 LYS 18 A ASP 19 n 18 ASP 19 A PHE 20 n 19 PHE 20 A PRO 21 n 20 PRO 21 A ILE 22 n 21 ILE 22 A ALA 23 n 22 ALA 23 A LYS 24 n 23 LYS 24 A GLY 25 n 24 GLY 25 A GLU 26 n 25 GLU 26 A ARG 27 n 26 ARG 27 A GLN 28 n 27 GLN 28 A SER 29 n 28 SER 29 A PRO 30 n 29 PRO 30 A VAL 31 n 30 VAL 31 A ASP 32 n 31 ASP 32 A ILE 33 n 32 ILE 33 A ASP 34 n 33 ASP 34 A THR 35 n 34 THR 35 A HIS 36 n 35 HIS 36 A THR 37 n 36 THR 37 A ALA 38 n 37 ALA 38 A LYS 39 n 38 LYS 39 A TYR 40 n 39 TYR 40 A ASP 41 n 40 ASP 41 A PRO 42 n 41 PRO 42 A SER 43 n 42 SER 43 A LEU 44 n 43 LEU 44 A LYS 45 n 44 LYS 45 A PRO 46 n 45 PRO 46 A LEU 47 n 46 LEU 47 A SER 48 n 47 SER 48 A VAL 49 n 48 VAL 49 A SER 50 n 49 SER 50 A TYR 51 n 50 TYR 51 A ASP 52 n 51 ASP 52 A GLN 53 n 52 GLN 53 A ALA 54 n 53 ALA 54 A THR 55 n 54 THR 55 A SER 56 n 55 SER 56 A LEU 57 n 56 LEU 57 A ARG 58 n 57 ARG 58 A ILE 59 n 58 ILE 59 A LEU 60 n 59 LEU 60 A ASN 61 n 60 ASN 61 A ASN 62 n 61 ASN 62 A GLY 63 n 62 GLY 63 A HIS 64 n 63 HIS 64 A ALA 65 n 64 ALA 65 A PHE 66 n 65 PHE 66 A ASN 67 n 66 ASN 67 A VAL 68 n 67 VAL 68 A GLU 69 n 68 GLU 69 A PHE 70 n 69 PHE 70 A ASP 71 n 70 ASP 71 A ASP 72 n 71 ASP 72 A SER 73 n 72 SER 73 A GLN 74 n 73 GLN 74 A ASP 75 n 74 ASP 75 A LYS 76 n 75 LYS 76 A ALA 77 n 76 ALA 77 A VAL 78 n 77 VAL 78 A LEU 79 n 78 LEU 79 A LYS 80 n 79 LYS 80 A GLY 81 n 80 GLY 81 A GLY 82 n 81 GLY 82 A PRO 83 n 82 PRO 83 A LEU 84 n 83 LEU 84 A ASP 85 n 84 ASP 85 A GLY 86 n 85 GLY 86 A THR 87 n 86 THR 87 A TYR 88 n 87 TYR 88 A ARG 89 n 88 ARG 89 A LEU 90 n 89 LEU 90 A ILE 91 n 90 ILE 91 A GLN 92 n 91 GLN 92 A PHE 93 n 92 PHE 93 A HIS 94 n 93 HIS 94 A PHE 95 n 94 PHE 95 A HIS 96 n 95 HIS 96 A TRP 97 n 96 TRP 97 A GLY 98 n 97 GLY 98 A SER 99 n 98 SER 99 A LEU 100 n 99 LEU 100 A ASP 101 n 100 ASP 101 A GLY 102 n 101 GLY 102 A GLN 103 n 102 GLN 103 A GLY 104 n 103 GLY 104 A SER 105 n 104 SER 105 A GLU 106 n 105 GLU 106 A HIS 107 n 106 HIS 107 A THR 108 n 107 THR 108 A VAL 109 n 108 VAL 109 A ASP 110 n 109 ASP 110 A LYS 111 n 110 LYS 111 A LYS 112 n 111 LYS 112 A LYS 113 n 112 LYS 113 A TYR 114 n 113 TYR 114 A ALA 115 n 114 ALA 115 A ALA 116 n 115 ALA 116 A GLU 117 n 116 GLU 117 A LEU 118 n 117 LEU 118 A GLN 119 n 118 GLN 119 A LEU 120 n 119 LEU 120 A VAL 121 n 120 VAL 121 A HIS 122 n 121 HIS 122 A TRP 123 n 122 TRP 123 A ASN 124 n 123 ASN 124 A THR 125 n 124 THR 125 A LYS 127 n 125 LYS 127 A TYR 128 n 126 TYR 128 A GLY 129 n 127 GLY 129 A ASP 130 n 128 ASP 130 A PHE 131 n 129 PHE 131 A GLY 132 n 130 GLY 132 A LYS 133 n 131 LYS 133 A ALA 134 n 132 ALA 134 A VAL 135 n 133 VAL 135 A GLN 136 n 134 GLN 136 A GLN 137 n 135 GLN 137 A PRO 138 n 136 PRO 138 A ASP 139 n 137 ASP 139 A GLY 140 n 138 GLY 140 A LEU 141 n 139 LEU 141 A ALA 142 n 140 ALA 142 A VAL 143 n 141 VAL 143 A LEU 144 n 142 LEU 144 A GLY 145 n 143 GLY 145 A ILE 146 n 144 ILE 146 A PHE 147 n 145 PHE 147 A LEU 148 n 146 LEU 148 A LYS 149 n 147 LYS 149 A VAL 150 n 148 VAL 150 A GLY 151 n 149 GLY 151 A SER 152 n 150 SER 152 A ALA 153 n 151 ALA 153 A LYS 154 n 152 LYS 154 A PRO 155 n 153 PRO 155 A GLY 156 n 154 GLY 156 A LEU 157 n 155 LEU 157 A GLN 158 n 156 GLN 158 A LYS 159 n 157 LYS 159 A VAL 160 n 158 VAL 160 A VAL 161 n 159 VAL 161 A ASP 162 n 160 ASP 162 A VAL 163 n 161 VAL 163 A LEU 164 n 162 LEU 164 A ASP 165 n 163 ASP 165 A SER 166 n 164 SER 166 A ILE 167 n 165 ILE 167 A LYS 168 n 166 LYS 168 A THR 169 n 167 THR 169 A LYS 170 n 168 LYS 170 A GLY 171 n 169 GLY 171 A LYS 172 n 170 LYS 172 A SER 173 n 171 SER 173 A ALA 174 n 172 ALA 174 A ASP 175 n 173 ASP 175 A PHE 176 n 174 PHE 176 A THR 177 n 175 THR 177 A ASN 178 n 176 ASN 178 A PHE 179 n 177 PHE 179 A ASP 180 n 178 ASP 180 A PRO 181 n 179 PRO 181 A ARG 182 n 180 ARG 182 A GLY 183 n 181 GLY 183 A LEU 184 n 182 LEU 184 A LEU 185 n 183 LEU 185 A PRO 186 n 184 PRO 186 A GLU 187 n 185 GLU 187 A SER 188 n 186 SER 188 A LEU 189 n 187 LEU 189 A ASP 190 n 188 ASP 190 A TYR 191 n 189 TYR 191 A TRP 192 n 190 TRP 192 A THR 193 n 191 THR 193 A TYR 194 n 192 TYR 194 A PRO 195 n 193 PRO 195 A GLY 196 n 194 GLY 196 A SER 197 n 195 SER 197 A LEU 198 n 196 LEU 198 A THR 199 n 197 THR 199 A THR 200 n 198 THR 200 A PRO 201 n 199 PRO 201 A PRO 202 n 200 PRO 202 A LEU 203 n 201 LEU 203 A LEU 204 n 202 LEU 204 A GLU 205 n 203 GLU 205 A CYS 206 n 204 CYS 206 A VAL 207 n 205 VAL 207 A THR 208 n 206 THR 208 A TRP 209 n 207 TRP 209 A ILE 210 n 208 ILE 210 A VAL 211 n 209 VAL 211 A LEU 212 n 210 LEU 212 A LYS 213 n 211 LYS 213 A GLU 214 n 212 GLU 214 A PRO 215 n 213 PRO 215 A ILE 216 n 214 ILE 216 A SER 217 n 215 SER 217 A VAL 218 n 216 VAL 218 A SER 219 n 217 SER 219 A SER 220 n 218 SER 220 A GLU 221 n 219 GLU 221 A GLN 222 n 220 GLN 222 A VAL 223 n 221 VAL 223 A LEU 224 n 222 LEU 224 A LYS 225 n 223 LYS 225 A PHE 226 n 224 PHE 226 A ARG 227 n 225 ARG 227 A LYS 228 n 226 LYS 228 A LEU 229 n 227 LEU 229 A ASN 230 n 228 ASN 230 A PHE 231 n 229 PHE 231 A ASN 232 n 230 ASN 232 A GLY 233 n 231 GLY 233 A GLU 234 n 232 GLU 234 A GLY 235 n 233 GLY 235 A GLU 236 n 234 GLU 236 A PRO 237 n 235 PRO 237 A GLU 238 n 236 GLU 238 A GLU 239 n 237 GLU 239 A LEU 240 n 238 LEU 240 A MET 241 n 239 MET 241 A VAL 242 n 240 VAL 242 A ASP 243 n 241 ASP 243 A ASN 244 n 242 ASN 244 A TRP 245 n 243 TRP 245 A ARG 246 n 244 ARG 246 A PRO 247 n 245 PRO 247 A ALA 248 n 246 ALA 248 A GLN 249 n 247 GLN 249 A PRO 250 n 248 PRO 250 A LEU 251 n 249 LEU 251 A LYS 252 n 250 LYS 252 A ASN 253 n 251 ASN 253 A ARG 254 n 252 ARG 254 A GLN 255 n 253 GLN 255 A ILE 256 n 254 ILE 256 A LYS 257 n 255 LYS 257 A ALA 258 n 256 ALA 258 A SER 259 n 257 SER 259 A PHE 260 n 258 PHE 260 A n 259 261 A author_defined_assembly 1 monomeric A HIS 94 A NE2 HIS 93 1_555 A ZN 262 B ZN ZN 1_555 A HIS 96 A NE2 HIS 95 1_555 110.3 A HIS 94 A NE2 HIS 93 1_555 A ZN 262 B ZN ZN 1_555 A GLN 119 A OE1 GLN 118 1_555 100.5 A HIS 96 A NE2 HIS 95 1_555 A ZN 262 B ZN ZN 1_555 A GLN 119 A OE1 GLN 118 1_555 91.8 A HIS 94 A NE2 HIS 93 1_555 A ZN 262 B ZN ZN 1_555 A HOH 300 C O HOH 1_555 104.4 A HIS 96 A NE2 HIS 95 1_555 A ZN 262 B ZN ZN 1_555 A HOH 300 C O HOH 1_555 126.0 A GLN 119 A OE1 GLN 118 1_555 A ZN 262 B ZN ZN 1_555 A HOH 300 C O HOH 1_555 121.0 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 A O SER 48 A O SER 47 A N LYS 80 A N LYS 79 A O ALA 174 A O ALA 172 A N ILE 59 A N ILE 58 A O LEU 57 A O LEU 56 A N GLU 69 A N GLU 68 A O VAL 68 A O VAL 67 A N PHE 93 A N PHE 92 A O ARG 89 A O ARG 88 A N TRP 123 A N TRP 122 A O ALA 116 A O ALA 115 A N LEU 148 A N LEU 146 A O LEU 141 A O LEU 139 A N THR 208 A N THR 206 A O VAL 207 A O VAL 205 A N GLY 196 A N GLY 194 A O LYS 149 A O LYS 147 A N ILE 216 A N ILE 214 1 A SER 2 A SER 1 1 Y 1 A HIS 3 A HIS 2 1 Y 1 A HIS 4 A HIS 3 1 Y 1 A LYS 261 A LYS 259 1 Y 1 A ARG 27 -141.49 58.67 1 A PRO 42 -64.60 1.46 1 A ALA 65 -173.74 -178.03 1 A LYS 111 75.47 -10.48 1 A PRO 202 -68.72 4.71 1 A ASN 244 -94.14 46.08 1 A LYS 252 57.26 -123.49 1 A ASN 253 -87.11 39.53 PARHCSDX.PRO 25.9 A BULK SOLVENT MODEL WAS INCLUDED 0.2490000 0.010 0.1820000 0.1820000 2.2 20.0 597 11671 5.1 91. RANDOM 1000000. 0.1 1 RESTRAINED THROUGHOUT 2. DIFFERENCE FOURIER PDB ENTRY 2CBA LESS MUTANT SIDE CHAIN AND SOLVENT MOLECULES 0.33 0.25 5.00 0.35 0.29 2.2 20.0 38 2067 1 0 2028 0.012 1.7 25.6 1.61 0.715 1.5 1.11 2.0 0.715 1.5 1.11 2.0 0.3440000 0.042 0.2760000 2.30 68 1378 8 4.7 92. 30.2 2.2 20.0 1H9Q 11825 0. 0.0880000 0.0880000 1 6.3 1.9 94. 0.3180000 2.20 2.25 2.3 0.3180000 1.8 93. model building X-PLOR refinement X-PLOR 3.1 data reduction MOSFLM data scaling CCP4 phasing X-PLOR H119Q CARBONIC ANHYDRASE II 1 N N 2 N N 3 N N A TRP 16 A TRP 15 HELX_P A LYS 18 A LYS 17 5 1 3 A PRO 21 A PRO 20 HELX_P A LYS 24 A LYS 23 5 2 4 A THR 125 A THR 124 HELX_P A TYR 128 A TYR 126 5 3 3 A PHE 131 A PHE 129 HELX_P A GLN 136 A GLN 134 1 4 6 A PRO 155 A PRO 153 HELX_P A ILE 167 A ILE 165 5 5 13 A PRO 181 A PRO 179 HELX_P A LEU 184 A LEU 182 5 6 4 A SER 220 A SER 218 HELX_P A LYS 228 A LYS 226 1 7 9 metalc 2.076 A HIS 94 A NE2 HIS 93 1_555 A ZN 262 B ZN ZN 1_555 metalc 2.024 A HIS 96 A NE2 HIS 95 1_555 A ZN 262 B ZN ZN 1_555 metalc 1.890 A GLN 119 A OE1 GLN 118 1_555 A ZN 262 B ZN ZN 1_555 metalc 2.295 A ZN 262 B ZN ZN 1_555 A HOH 300 C O HOH 1_555 LYASE LYASE, OXO-ACID, ACETYLATION A SER 29 A SER 28 1 A PRO 30 A PRO 29 0.13 A PRO 201 A PRO 199 1 A PRO 202 A PRO 200 0.39 CAH2_HUMAN UNP 1 1 P00918 SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKG GPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVD VLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMV DNWRPAQPLKNRQIKASFK 1 259 1H9Q 2 261 P00918 A 1 1 259 1 HIS engineered mutation GLN 119 1H9Q A P00918 UNP 118 118 2 8 2 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel parallel anti-parallel parallel A LEU 47 A LEU 46 A SER 50 A SER 49 A VAL 78 A VAL 77 A GLY 81 A GLY 80 A SER 173 A SER 171 A ASP 175 A ASP 173 A SER 56 A SER 55 A ASN 61 A ASN 60 A PHE 66 A PHE 65 A PHE 70 A PHE 69 A TYR 88 A TYR 87 A TRP 97 A TRP 96 A ALA 116 A ALA 115 A ASN 124 A ASN 123 A LEU 141 A LEU 139 A LEU 148 A LEU 146 A VAL 207 A VAL 205 A LEU 212 A LEU 210 A TYR 191 A TYR 189 A GLY 196 A GLY 194 A LEU 148 A LEU 146 A GLY 151 A GLY 149 A ILE 216 A ILE 214 A SER 219 A SER 217 ACTIVE SITE Unknown 4 BINDING SITE FOR RESIDUE ZN A 262 A ZN 262 Software 5 A HIS 94 A HIS 93 4 1_555 A HIS 96 A HIS 95 4 1_555 A GLN 119 A GLN 118 4 1_555 A HOH 300 C HOH 4 1_555 A HIS 94 A HIS 93 5 1_555 A HIS 96 A HIS 95 5 1_555 A GLN 119 A GLN 118 5 1_555 A THR 199 A THR 197 5 1_555 A HOH 300 C HOH 5 1_555 4 P 1 21 1