0.009506 0.000000 0.000000 0.000000 0.013459 0.000000 0.000000 0.000000 0.022026 0.00000 0.00000 0.00000 Musah, R.A. Jensen, G.M. Bunte, S.W. Rosenfeld, R. Mcree, D.E. Goodin, D.B. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 90.00 90.00 105.200 74.300 45.400 C4 H7 N2 1 83.112 1-METHYLIMIDAZOLE non-polymer 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 C34 H32 Fe N4 O4 616.487 PROTOPORPHYRIN IX CONTAINING FE HEME non-polymer 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 US Nat.Struct.Biol. NSBIEW 2024 1072-8368 3 626 631 10.1038/nsb0796-626 8673607 A ligand-gated, hinged loop rearrangement opens a channel to a buried artificial protein cavity. 1996 US Biochemistry BICHAW 0033 0006-2960 33 3807 Small Molecule Binding to an Artificially Created Cavity at the Active Site of Cytochrome C Peroxidase 1994 US Biochemistry BICHAW 0033 0006-2960 32 3313 The Asp-His-Fe Triad of Cytochrome C Peroxidase Controls the Reduction Potential, Electronic Structure, and Coupling of the Tryptophan Free Radical to the Heme 1993 10.2210/pdb1aet/pdb pdb_00001aet 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 290 1 AREA DETECTOR 1993-09 SIEMENS M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU RUH2R CRYSTAL FORM MKT 33459.242 CYTOCHROME C PEROXIDASE 1.11.1.5 W191G 1 man polymer 616.487 PROTOPORPHYRIN IX CONTAINING FE 1 syn non-polymer 83.112 1-METHYLIMIDAZOLE 1 syn non-polymer 18.015 water 50 nat water CCP/W191G no no MKTLVHVASVEKGRSYEDFQKVYNAIALKLREDDEYDNYIGYGPVLVRLAWHISGTWDKHDNTGGSYGGTYRFKKEFNDP SNAGLQNGFKFLEPIHKEFPWISSGDLFSLGGVTAVQEMQGPKIPWRCGRVDTPEDTTPDNGRLPDADKDAGYVRTFFQR LNMNDREVVALMGAHALGKTHLKNSGYEGPGGAANNVFTNEFYLNLLNEDWKLEKNDANNEQWDSKSGYMMLPTDYSLIQ DPKYLSIVKEYANDQDKFFKDFSKAFEKLLEDGITFPKDAPSPFIFKTLEEQGL MKTLVHVASVEKGRSYEDFQKVYNAIALKLREDDEYDNYIGYGPVLVRLAWHISGTWDKHDNTGGSYGGTYRFKKEFNDP SNAGLQNGFKFLEPIHKEFPWISSGDLFSLGGVTAVQEMQGPKIPWRCGRVDTPEDTTPDNGRLPDADKDAGYVRTFFQR LNMNDREVVALMGAHALGKTHLKNSGYEGPGGAANNVFTNEFYLNLLNEDWKLEKNDANNEQWDSKSGYMMLPTDYSLIQ DPKYLSIVKEYANDQDKFFKDFSKAFEKLLEDGITFPKDAPSPFIFKTLEEQGL 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 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 baker's yeast Saccharomyces Escherichia Escherichia coli sample BL21 MITOCHONDRIA CCP 4932 MITOCHONDRIA Saccharomyces cerevisiae CYTOPLASM CCP (MKT) 469008 Escherichia coli BL21(DE3) BL21 (DE3) PT7CCP 1 3.2 61. 6.0 20% MPD, 40 MM PHOSPHATE PH 6.0. A SINGLE CRYSTAL OF W191G WAS SOAKED IN 50MM 1-METHYLIMIDAZOLE IN 40% MPD AND 60 MM PHOSPHATE AT PH 4.5. database_2 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 Refinement description 1 0 1997-09-04 1 1 2008-03-24 1 2 2011-07-13 1 3 2021-11-03 1 4 2023-08-02 _database_2.pdbx_DOI _database_2.pdbx_database_accession _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 1997-02-25 REL REL HEM PROTOPORPHYRIN IX CONTAINING FE 1MZ 1-METHYLIMIDAZOLE HOH water 1CMQ PDB ENTRY 1CMQ PDB experimental model HEM 1 2 HEM HEM 295 A 1MZ 295 3 1MZ 1MZ 296 A HOH 300 4 HOH HOH 300 A HOH 301 4 HOH HOH 301 A HOH 302 4 HOH HOH 302 A HOH 304 4 HOH HOH 304 A HOH 305 4 HOH HOH 305 A HOH 306 4 HOH HOH 306 A HOH 307 4 HOH HOH 307 A HOH 308 4 HOH HOH 308 A HOH 309 4 HOH HOH 309 A HOH 310 4 HOH HOH 310 A HOH 311 4 HOH HOH 311 A HOH 312 4 HOH HOH 312 A HOH 313 4 HOH HOH 313 A HOH 314 4 HOH HOH 314 A HOH 315 4 HOH HOH 315 A HOH 316 4 HOH HOH 316 A HOH 317 4 HOH HOH 317 A HOH 318 4 HOH HOH 318 A HOH 319 4 HOH HOH 319 A HOH 320 4 HOH HOH 320 A HOH 321 4 HOH HOH 321 A HOH 322 4 HOH HOH 322 A HOH 323 4 HOH HOH 323 A HOH 324 4 HOH HOH 324 A HOH 325 4 HOH HOH 325 A HOH 326 4 HOH HOH 326 A HOH 327 4 HOH HOH 327 A HOH 328 4 HOH HOH 328 A HOH 329 4 HOH HOH 329 A HOH 330 4 HOH HOH 330 A HOH 331 4 HOH HOH 331 A HOH 332 4 HOH HOH 332 A HOH 333 4 HOH HOH 333 A HOH 334 4 HOH HOH 334 A HOH 335 4 HOH HOH 335 A HOH 336 4 HOH HOH 336 A HOH 337 4 HOH HOH 337 A HOH 338 4 HOH HOH 338 A HOH 339 4 HOH HOH 339 A HOH 340 4 HOH HOH 340 A HOH 341 4 HOH HOH 341 A HOH 342 4 HOH HOH 342 A HOH 344 4 HOH HOH 344 A HOH 345 4 HOH HOH 345 A HOH 346 4 HOH HOH 346 A HOH 347 4 HOH HOH 347 A HOH 348 4 HOH HOH 348 A HOH 349 4 HOH HOH 349 A HOH 350 4 HOH HOH 350 A HOH 355 4 HOH HOH 355 A n 1 1 A n 2 2 A n 3 3 A LEU 4 n 4 LEU 4 A VAL 5 n 5 VAL 5 A HIS 6 n 6 HIS 6 A VAL 7 n 7 VAL 7 A ALA 8 n 8 ALA 8 A SER 9 n 9 SER 9 A VAL 10 n 10 VAL 10 A GLU 11 n 11 GLU 11 A LYS 12 n 12 LYS 12 A GLY 13 n 13 GLY 13 A ARG 14 n 14 ARG 14 A SER 15 n 15 SER 15 A TYR 16 n 16 TYR 16 A GLU 17 n 17 GLU 17 A ASP 18 n 18 ASP 18 A PHE 19 n 19 PHE 19 A GLN 20 n 20 GLN 20 A LYS 21 n 21 LYS 21 A VAL 22 n 22 VAL 22 A TYR 23 n 23 TYR 23 A ASN 24 n 24 ASN 24 A ALA 25 n 25 ALA 25 A ILE 26 n 26 ILE 26 A ALA 27 n 27 ALA 27 A LEU 28 n 28 LEU 28 A LYS 29 n 29 LYS 29 A LEU 30 n 30 LEU 30 A ARG 31 n 31 ARG 31 A GLU 32 n 32 GLU 32 A ASP 33 n 33 ASP 33 A ASP 34 n 34 ASP 34 A GLU 35 n 35 GLU 35 A TYR 36 n 36 TYR 36 A ASP 37 n 37 ASP 37 A ASN 38 n 38 ASN 38 A TYR 39 n 39 TYR 39 A ILE 40 n 40 ILE 40 A GLY 41 n 41 GLY 41 A TYR 42 n 42 TYR 42 A GLY 43 n 43 GLY 43 A PRO 44 n 44 PRO 44 A VAL 45 n 45 VAL 45 A LEU 46 n 46 LEU 46 A VAL 47 n 47 VAL 47 A ARG 48 n 48 ARG 48 A LEU 49 n 49 LEU 49 A ALA 50 n 50 ALA 50 A TRP 51 n 51 TRP 51 A HIS 52 n 52 HIS 52 A ILE 53 n 53 ILE 53 A SER 54 n 54 SER 54 A GLY 55 n 55 GLY 55 A THR 56 n 56 THR 56 A TRP 57 n 57 TRP 57 A ASP 58 n 58 ASP 58 A LYS 59 n 59 LYS 59 A HIS 60 n 60 HIS 60 A ASP 61 n 61 ASP 61 A ASN 62 n 62 ASN 62 A THR 63 n 63 THR 63 A GLY 64 n 64 GLY 64 A GLY 65 n 65 GLY 65 A SER 66 n 66 SER 66 A TYR 67 n 67 TYR 67 A GLY 68 n 68 GLY 68 A GLY 69 n 69 GLY 69 A THR 70 n 70 THR 70 A TYR 71 n 71 TYR 71 A ARG 72 n 72 ARG 72 A PHE 73 n 73 PHE 73 A LYS 74 n 74 LYS 74 A LYS 75 n 75 LYS 75 A GLU 76 n 76 GLU 76 A PHE 77 n 77 PHE 77 A ASN 78 n 78 ASN 78 A ASP 79 n 79 ASP 79 A PRO 80 n 80 PRO 80 A SER 81 n 81 SER 81 A ASN 82 n 82 ASN 82 A ALA 83 n 83 ALA 83 A GLY 84 n 84 GLY 84 A LEU 85 n 85 LEU 85 A GLN 86 n 86 GLN 86 A ASN 87 n 87 ASN 87 A GLY 88 n 88 GLY 88 A PHE 89 n 89 PHE 89 A LYS 90 n 90 LYS 90 A PHE 91 n 91 PHE 91 A LEU 92 n 92 LEU 92 A GLU 93 n 93 GLU 93 A PRO 94 n 94 PRO 94 A ILE 95 n 95 ILE 95 A HIS 96 n 96 HIS 96 A LYS 97 n 97 LYS 97 A GLU 98 n 98 GLU 98 A PHE 99 n 99 PHE 99 A PRO 100 n 100 PRO 100 A TRP 101 n 101 TRP 101 A ILE 102 n 102 ILE 102 A SER 103 n 103 SER 103 A SER 104 n 104 SER 104 A GLY 105 n 105 GLY 105 A ASP 106 n 106 ASP 106 A LEU 107 n 107 LEU 107 A PHE 108 n 108 PHE 108 A SER 109 n 109 SER 109 A LEU 110 n 110 LEU 110 A GLY 111 n 111 GLY 111 A GLY 112 n 112 GLY 112 A VAL 113 n 113 VAL 113 A THR 114 n 114 THR 114 A ALA 115 n 115 ALA 115 A VAL 116 n 116 VAL 116 A GLN 117 n 117 GLN 117 A GLU 118 n 118 GLU 118 A MET 119 n 119 MET 119 A GLN 120 n 120 GLN 120 A GLY 121 n 121 GLY 121 A PRO 122 n 122 PRO 122 A LYS 123 n 123 LYS 123 A ILE 124 n 124 ILE 124 A PRO 125 n 125 PRO 125 A TRP 126 n 126 TRP 126 A ARG 127 n 127 ARG 127 A CYS 128 n 128 CYS 128 A GLY 129 n 129 GLY 129 A ARG 130 n 130 ARG 130 A VAL 131 n 131 VAL 131 A ASP 132 n 132 ASP 132 A THR 133 n 133 THR 133 A PRO 134 n 134 PRO 134 A GLU 135 n 135 GLU 135 A ASP 136 n 136 ASP 136 A THR 137 n 137 THR 137 A THR 138 n 138 THR 138 A PRO 139 n 139 PRO 139 A ASP 140 n 140 ASP 140 A ASN 141 n 141 ASN 141 A GLY 142 n 142 GLY 142 A ARG 143 n 143 ARG 143 A LEU 144 n 144 LEU 144 A PRO 145 n 145 PRO 145 A ASP 146 n 146 ASP 146 A ALA 147 n 147 ALA 147 A ASP 148 n 148 ASP 148 A LYS 149 n 149 LYS 149 A ASP 150 n 150 ASP 150 A ALA 151 n 151 ALA 151 A GLY 152 n 152 GLY 152 A TYR 153 n 153 TYR 153 A VAL 154 n 154 VAL 154 A ARG 155 n 155 ARG 155 A THR 156 n 156 THR 156 A PHE 157 n 157 PHE 157 A PHE 158 n 158 PHE 158 A GLN 159 n 159 GLN 159 A ARG 160 n 160 ARG 160 A LEU 161 n 161 LEU 161 A ASN 162 n 162 ASN 162 A MET 163 n 163 MET 163 A ASN 164 n 164 ASN 164 A ASP 165 n 165 ASP 165 A ARG 166 n 166 ARG 166 A GLU 167 n 167 GLU 167 A VAL 168 n 168 VAL 168 A VAL 169 n 169 VAL 169 A ALA 170 n 170 ALA 170 A LEU 171 n 171 LEU 171 A MET 172 n 172 MET 172 A GLY 173 n 173 GLY 173 A ALA 174 n 174 ALA 174 A HIS 175 n 175 HIS 175 A ALA 176 n 176 ALA 176 A LEU 177 n 177 LEU 177 A GLY 178 n 178 GLY 178 A LYS 179 n 179 LYS 179 A THR 180 n 180 THR 180 A HIS 181 n 181 HIS 181 A LEU 182 n 182 LEU 182 A LYS 183 n 183 LYS 183 A ASN 184 n 184 ASN 184 A SER 185 n 185 SER 185 A GLY 186 n 186 GLY 186 A TYR 187 n 187 TYR 187 A GLU 188 n 188 GLU 188 A GLY 189 n 189 GLY 189 A PRO 190 n 190 PRO 190 A GLY 191 n 191 GLY 191 A GLY 192 n 192 GLY 192 A ALA 193 n 193 ALA 193 A ALA 194 n 194 ALA 194 A ASN 195 n 195 ASN 195 A ASN 196 n 196 ASN 196 A VAL 197 n 197 VAL 197 A PHE 198 n 198 PHE 198 A THR 199 n 199 THR 199 A ASN 200 n 200 ASN 200 A GLU 201 n 201 GLU 201 A PHE 202 n 202 PHE 202 A TYR 203 n 203 TYR 203 A LEU 204 n 204 LEU 204 A ASN 205 n 205 ASN 205 A LEU 206 n 206 LEU 206 A LEU 207 n 207 LEU 207 A ASN 208 n 208 ASN 208 A GLU 209 n 209 GLU 209 A ASP 210 n 210 ASP 210 A TRP 211 n 211 TRP 211 A LYS 212 n 212 LYS 212 A LEU 213 n 213 LEU 213 A GLU 214 n 214 GLU 214 A LYS 215 n 215 LYS 215 A ASN 216 n 216 ASN 216 A ASP 217 n 217 ASP 217 A ALA 218 n 218 ALA 218 A ASN 219 n 219 ASN 219 A ASN 220 n 220 ASN 220 A GLU 221 n 221 GLU 221 A GLN 222 n 222 GLN 222 A TRP 223 n 223 TRP 223 A ASP 224 n 224 ASP 224 A SER 225 n 225 SER 225 A LYS 226 n 226 LYS 226 A SER 227 n 227 SER 227 A GLY 228 n 228 GLY 228 A TYR 229 n 229 TYR 229 A MET 230 n 230 MET 230 A MET 231 n 231 MET 231 A LEU 232 n 232 LEU 232 A PRO 233 n 233 PRO 233 A THR 234 n 234 THR 234 A ASP 235 n 235 ASP 235 A TYR 236 n 236 TYR 236 A SER 237 n 237 SER 237 A LEU 238 n 238 LEU 238 A ILE 239 n 239 ILE 239 A GLN 240 n 240 GLN 240 A ASP 241 n 241 ASP 241 A PRO 242 n 242 PRO 242 A LYS 243 n 243 LYS 243 A TYR 244 n 244 TYR 244 A LEU 245 n 245 LEU 245 A SER 246 n 246 SER 246 A ILE 247 n 247 ILE 247 A VAL 248 n 248 VAL 248 A LYS 249 n 249 LYS 249 A GLU 250 n 250 GLU 250 A TYR 251 n 251 TYR 251 A ALA 252 n 252 ALA 252 A ASN 253 n 253 ASN 253 A ASP 254 n 254 ASP 254 A GLN 255 n 255 GLN 255 A ASP 256 n 256 ASP 256 A LYS 257 n 257 LYS 257 A PHE 258 n 258 PHE 258 A PHE 259 n 259 PHE 259 A LYS 260 n 260 LYS 260 A ASP 261 n 261 ASP 261 A PHE 262 n 262 PHE 262 A SER 263 n 263 SER 263 A LYS 264 n 264 LYS 264 A ALA 265 n 265 ALA 265 A PHE 266 n 266 PHE 266 A GLU 267 n 267 GLU 267 A LYS 268 n 268 LYS 268 A LEU 269 n 269 LEU 269 A LEU 270 n 270 LEU 270 A GLU 271 n 271 GLU 271 A ASP 272 n 272 ASP 272 A GLY 273 n 273 GLY 273 A ILE 274 n 274 ILE 274 A THR 275 n 275 THR 275 A PHE 276 n 276 PHE 276 A PRO 277 n 277 PRO 277 A LYS 278 n 278 LYS 278 A ASP 279 n 279 ASP 279 A ALA 280 n 280 ALA 280 A PRO 281 n 281 PRO 281 A SER 282 n 282 SER 282 A PRO 283 n 283 PRO 283 A PHE 284 n 284 PHE 284 A ILE 285 n 285 ILE 285 A PHE 286 n 286 PHE 286 A LYS 287 n 287 LYS 287 A THR 288 n 288 THR 288 A LEU 289 n 289 LEU 289 A GLU 290 n 290 GLU 290 A GLU 291 n 291 GLU 291 A GLN 292 n 292 GLN 292 A GLY 293 n 293 GLY 293 A LEU 294 n 294 LEU 294 A author_defined_assembly 1 monomeric A HIS 175 A NE2 HIS 175 1_555 A HEM 295 B FE HEM 1_555 A HEM 295 B NA HEM 1_555 92.0 A HIS 175 A NE2 HIS 175 1_555 A HEM 295 B FE HEM 1_555 A HEM 295 B NB HEM 1_555 93.1 A HEM 295 B NA HEM 1_555 A HEM 295 B FE HEM 1_555 A HEM 295 B NB HEM 1_555 87.6 A HIS 175 A NE2 HIS 175 1_555 A HEM 295 B FE HEM 1_555 A HEM 295 B NC HEM 1_555 87.0 A HEM 295 B NA HEM 1_555 A HEM 295 B FE HEM 1_555 A HEM 295 B NC HEM 1_555 177.8 A HEM 295 B NB HEM 1_555 A HEM 295 B FE HEM 1_555 A HEM 295 B NC HEM 1_555 90.5 A HIS 175 A NE2 HIS 175 1_555 A HEM 295 B FE HEM 1_555 A HEM 295 B ND HEM 1_555 87.6 A HEM 295 B NA HEM 1_555 A HEM 295 B FE HEM 1_555 A HEM 295 B ND HEM 1_555 92.0 A HEM 295 B NB HEM 1_555 A HEM 295 B FE HEM 1_555 A HEM 295 B ND HEM 1_555 179.1 A HEM 295 B NC HEM 1_555 A HEM 295 B FE HEM 1_555 A HEM 295 B ND HEM 1_555 90.0 A HIS 175 A NE2 HIS 175 1_555 A HEM 295 B FE HEM 1_555 A HOH 313 D O HOH 1_555 175.2 A HEM 295 B NA HEM 1_555 A HEM 295 B FE HEM 1_555 A HOH 313 D O HOH 1_555 83.7 A HEM 295 B NB HEM 1_555 A HEM 295 B FE HEM 1_555 A HOH 313 D O HOH 1_555 88.8 A HEM 295 B NC HEM 1_555 A HEM 295 B FE HEM 1_555 A HOH 313 D O HOH 1_555 97.4 A HEM 295 B ND HEM 1_555 A HEM 295 B FE HEM 1_555 A HOH 313 D O HOH 1_555 90.4 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 LYS 212 A O LYS 212 A N ASP 224 A N ASP 224 1 A NZ LYS 12 A NZ LYS 12 1 Y 1 A NZ LYS 260 A NZ LYS 260 1 Y 1 A MET 1 A MET 1 1 Y 1 A LYS 2 A LYS 2 1 Y 1 A THR 3 A THR 3 1 Y 1 A A HG1 HH12 THR ARG 63 143 1.13 1 A ARG 72 0.076 SIDE CHAIN 1 4.51 0.50 120.30 124.81 A A A NE CZ NH1 ARG ARG ARG 31 31 31 N 1 -7.24 0.50 120.30 113.06 A A A NE CZ NH2 ARG ARG ARG 31 31 31 N 1 -3.63 0.60 121.00 117.37 A A A CB CG CD2 TYR TYR TYR 39 39 39 N 1 6.98 0.80 106.30 113.28 A A A CD1 CG CD2 TRP TRP TRP 51 51 51 N 1 -8.75 1.30 127.00 118.25 A A A CB CG CD1 TRP TRP TRP 51 51 51 N 1 -6.53 0.80 107.30 100.77 A A A CE2 CD2 CG TRP TRP TRP 51 51 51 N 1 5.61 0.90 133.90 139.51 A A A CG CD2 CE3 TRP TRP TRP 51 51 51 N 1 5.32 0.80 106.30 111.62 A A A CD1 CG CD2 TRP TRP TRP 57 57 57 N 1 -5.05 0.80 107.30 102.25 A A A CE2 CD2 CG TRP TRP TRP 57 57 57 N 1 -3.78 0.60 121.00 117.22 A A A CB CG CD2 TYR TYR TYR 71 71 71 N 1 5.06 0.80 106.30 111.36 A A A CD1 CG CD2 TRP TRP TRP 101 101 101 N 1 -5.28 0.80 107.30 102.02 A A A CE2 CD2 CG TRP TRP TRP 101 101 101 N 1 5.39 0.80 106.30 111.69 A A A CD1 CG CD2 TRP TRP TRP 126 126 126 N 1 -5.20 0.80 107.30 102.10 A A A CE2 CD2 CG TRP TRP TRP 126 126 126 N 1 6.05 0.50 120.30 126.35 A A A NE CZ NH1 ARG ARG ARG 127 127 127 N 1 -6.13 0.50 120.30 114.17 A A A NE CZ NH2 ARG ARG ARG 127 127 127 N 1 -12.92 2.10 111.80 98.88 A A A CG CD NE ARG ARG ARG 130 130 130 N 1 -13.83 2.20 117.20 103.37 A A A CA C N ASN ASN MET 162 162 163 Y 1 -10.50 1.60 100.20 89.70 A A A CG SD CE MET MET MET 163 163 163 N 1 3.04 0.50 120.30 123.34 A A A NE CZ NH1 ARG ARG ARG 166 166 166 N 1 -3.10 0.50 120.30 117.20 A A A NE CZ NH2 ARG ARG ARG 166 166 166 N 1 6.73 0.80 106.30 113.03 A A A CD1 CG CD2 TRP TRP TRP 211 211 211 N 1 -5.68 0.80 107.30 101.62 A A A CE2 CD2 CG TRP TRP TRP 211 211 211 N 1 6.37 0.80 106.30 112.67 A A A CD1 CG CD2 TRP TRP TRP 223 223 223 N 1 -5.79 0.80 107.30 101.51 A A A CE2 CD2 CG TRP TRP TRP 223 223 223 N 1 -4.55 0.60 121.00 116.45 A A A CB CG CD2 TYR TYR TYR 251 251 251 N 1 13.86 2.20 117.20 131.06 A A A CA C N PRO PRO LYS 277 277 278 Y 1 -14.58 2.20 113.40 98.82 A A A CA CB CG LYS LYS LYS 278 278 278 N 1 A A NE2 CD2 HIS HIS 6 6 -0.067 0.011 1.373 1.306 N 1 A A NE2 CD2 HIS HIS 60 60 -0.069 0.011 1.373 1.304 N 1 A A NE2 CD2 HIS HIS 96 96 -0.072 0.011 1.373 1.301 N 1 A ASP 33 -84.52 49.25 1 A ASP 148 -90.93 34.72 1 A ASN 162 15.11 68.09 2.1 7.0 19099 79. 10000000.0 0.5 1 0.0 MOLECULAR REPLACEMENT PDB ENTRY 1CMQ 2.1 7.0 50 2941 50 0 2841 2.1 15. 1AET 21369 0.0 0.0510000 0.0490000 1 25.2 1.8 74. 0.2300000 1.89 2.01 1.9 0.5200000 1.4 35. refinement XTALVIEW data reduction XENGEN data scaling XENGEN VARIATION IN THE STRENGTH OF A CH TO O HYDROGEN BOND IN AN ARTIFICIAL PROTEIN CAVITY (1-METHYLIMIDAZOLE) 1 N N 2 N N 3 N N 4 N N A SER 15 A SER 15 HELX_P A ASP 33 A ASP 33 1 A 19 A TYR 42 A TYR 42 HELX_P A SER 54 A SER 54 1 B 13 A PHE 73 A PHE 73 HELX_P A ASN 78 A ASN 78 1 B1 6 A GLY 84 A GLY 84 HELX_P A PHE 99 A PHE 99 1 C 16 A SER 103 A SER 103 HELX_P A MET 119 A MET 119 1 D 17 A ASP 150 A ASP 150 HELX_P A PHE 158 A PHE 158 1 E 9 A ASN 164 A ASN 164 HELX_P A LEU 177 A LEU 177 1 F 14 A HIS 181 A HIS 181 HELX_P A GLY 186 A GLY 186 1 F1 6 A GLU 201 A GLU 201 HELX_P A GLU 209 A GLU 209 1 G 9 A LEU 232 A LEU 232 HELX_P A GLN 240 A GLN 240 1 H 9 A ASP 241 A ASP 241 HELX_P A ASN 253 A ASN 253 1 I 13 A GLN 255 A GLN 255 HELX_P A ASP 272 A ASP 272 1 J 18 A THR 288 A THR 288 HELX_P A GLY 293 A GLY 293 1 J1 6 metalc 2.006 A HIS 175 A NE2 HIS 175 1_555 A HEM 295 B FE HEM 1_555 metalc 1.915 A HEM 295 B FE HEM 1_555 A HOH 313 D O HOH 1_555 OXIDOREDUCTASE OXIDOREDUCTASE, PEROXIDASE, TRANSIT PEPTIDE CCPR_YEAST UNP 1 1 P00431 MTTAVRLLPSLGRTAHKRSLYLFSAAAAAAAAATFAYSQSQKRSSSSPGGGSNHGWNNWGKAAALASTTPLVHVASVEKG RSYEDFQKVYNAIALKLREDDEYDNYIGYGPVLVRLAWHTSGTWDKHDNTGGSYGGTYRFKKEFNDPSNAGLQNGFKFLE PIHKEFPWISSGDLFSLGGVTAVQEMQGPKIPWRCGRVDTPEDTTPDNGRLPDADKDADYVRTFFQRLNMNDREVVALMG AHALGKTHLKNSGYEGPWGAANNVFTNEFYLNLLNEDWKLEKNDANNEQWDSKSGYMMLPTDYSLIQDPKYLSIVKEYAN DQDKFFKDFSKAFEKLLENGITFPKDAPSPFIFKTLEEQGL 71 361 1AET 4 294 P00431 A 1 4 294 1 THR variant ILE 53 1AET A P00431 UNP 120 53 1 ASP variant GLY 152 1AET A P00431 UNP 219 152 1 TRP engineered mutation GLY 191 1AET A P00431 UNP 258 191 1 ASN conflict ASP 272 1AET A P00431 UNP 339 272 2 anti-parallel A TRP 211 A TRP 211 A LYS 215 A LYS 215 A GLU 221 A GLU 221 A SER 225 A SER 225 REMOVAL OF TRP 191 FORMS AN INTERNAL CAVITY BELOW THE HEME RELATIVE TO THE ACTIVE SITE. Unknown 3 BINDING SITE FOR RESIDUE HEM A 295 A HEM 295 Software 19 BINDING SITE FOR RESIDUE 1MZ A 296 A 1MZ 296 Software 6 A ARG 48 A ARG 48 3 1_555 A TRP 51 A TRP 51 3 1_555 A HIS 52 A HIS 52 3 1_555 A PRO 44 A PRO 44 19 1_555 A TRP 51 A TRP 51 19 1_555 A PRO 145 A PRO 145 19 1_555 A ASP 146 A ASP 146 19 1_555 A LEU 171 A LEU 171 19 1_555 A ALA 174 A ALA 174 19 1_555 A HIS 175 A HIS 175 19 1_555 A LEU 177 A LEU 177 19 1_555 A GLY 178 A GLY 178 19 1_555 A LYS 179 A LYS 179 19 1_555 A HIS 181 A HIS 181 19 1_555 A ASN 184 A ASN 184 19 1_555 A SER 185 A SER 185 19 1_555 A LEU 232 A LEU 232 19 1_555 A THR 234 A THR 234 19 1_555 A HOH 302 D HOH 19 1_555 A HOH 311 D HOH 19 1_555 A HOH 313 D HOH 19 1_555 A HOH 314 D HOH 19 1_555 A HIS 175 A HIS 175 6 1_555 A LEU 177 A LEU 177 6 1_555 A THR 180 A THR 180 6 1_555 A GLY 191 A GLY 191 6 1_555 A MET 230 A MET 230 6 1_555 A ASP 235 A ASP 235 6 1_555 19 P 21 21 21