HEADER RNA 28-MAY-25 9V7N TITLE CRYO-EM STRUCTURES OF THE AZOARCUS PRE-TRNA(ILE) CONFORMATION A TITLE 2 UNDERGOING THE FIRST-STEP SELF-SPLICING COMPND MOL_ID: 1; COMPND 2 MOLECULE: RNA (284-MER); COMPND 3 CHAIN: B, D, E; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: AZOARCUS OLEARIUS; SOURCE 3 ORGANISM_TAXID: 418699; SOURCE 4 EXPRESSION_SYSTEM: IN VITRO TRANSCRIPTION VECTOR PT7-FLUC(DELTAI); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 905932 KEYWDS AZOARCUS PRE-TRNA(ILE), SELF-SPLICING, PRE-1S, RNA STRUCTURE, RNA EXPDTA ELECTRON MICROSCOPY AUTHOR Y.HONG,J.LIU,X.ZHANG,J.LIU,S.LI,K.ZHANG REVDAT 1 25-MAR-26 9V7N 0 JRNL AUTH Y.HONG,J.LIU,X.ZHANG,J.LIU,S.LI,K.ZHANG JRNL TITL PRE-SPLICING CONFORMATION AND STEPWISE CIRCULARIZATION OF A JRNL TITL 2 GROUP I INTRON IN AZOARCUS PRE-TRNA JRNL REF NAT COMMUN 2026 JRNL REFN ESSN 2041-1723 JRNL DOI 10.1038/S41467-026-70747-Y REMARK 2 REMARK 2 RESOLUTION. 3.11 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, EPU, CRYOSPARC, CRYOSPARC REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 3.110 REMARK 3 NUMBER OF PARTICLES : 105746 REMARK 3 CTF CORRECTION METHOD : NONE REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 9V7N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 30-MAY-25. REMARK 100 THE DEPOSITION ID IS D_1300059685. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : CRYO-EM STRUCTURES OF THE REMARK 245 AZOARCUS PRE-TRNA(ILE) REMARK 245 CONFORMATION A UNDERGOING THE REMARK 245 FIRST-STEP SELF-SPLICING REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 1.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1200.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 3000.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 6400.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, D, E REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 G B -38 REMARK 465 G B -37 REMARK 465 G B -36 REMARK 465 C B -35 REMARK 465 C B -34 REMARK 465 U B -33 REMARK 465 C B -32 REMARK 465 U B -31 REMARK 465 A B -30 REMARK 465 G B -29 REMARK 465 C B -28 REMARK 465 U B -27 REMARK 465 C B -26 REMARK 465 A B -25 REMARK 465 U B -24 REMARK 465 G B -23 REMARK 465 C B -22 REMARK 465 U B -21 REMARK 465 U B -20 REMARK 465 G B -19 REMARK 465 G B -18 REMARK 465 U B -17 REMARK 465 U B -16 REMARK 465 A B -15 REMARK 465 G B -14 REMARK 465 A B -13 REMARK 465 G B -12 REMARK 465 C B -11 REMARK 465 A B -10 REMARK 465 G B -9 REMARK 465 C B -8 REMARK 465 G B -7 REMARK 465 G B -6 REMARK 465 A B -5 REMARK 465 C B -4 REMARK 465 U B -3 REMARK 465 C B -2 REMARK 465 A B -1 REMARK 465 U B 0 REMARK 465 A B 206 REMARK 465 A B 207 REMARK 465 U B 208 REMARK 465 C B 209 REMARK 465 C B 210 REMARK 465 G B 211 REMARK 465 U B 212 REMARK 465 U B 213 REMARK 465 G B 214 REMARK 465 G B 215 REMARK 465 U B 216 REMARK 465 G B 217 REMARK 465 C B 218 REMARK 465 U B 219 REMARK 465 G B 220 REMARK 465 G B 221 REMARK 465 G B 222 REMARK 465 U B 223 REMARK 465 U B 224 REMARK 465 C B 225 REMARK 465 G B 226 REMARK 465 A B 227 REMARK 465 C B 228 REMARK 465 U B 229 REMARK 465 C B 230 REMARK 465 C B 231 REMARK 465 C B 232 REMARK 465 A B 233 REMARK 465 G B 234 REMARK 465 G B 235 REMARK 465 G B 236 REMARK 465 G B 237 REMARK 465 G B 238 REMARK 465 C B 239 REMARK 465 C B 240 REMARK 465 C B 241 REMARK 465 A B 242 REMARK 465 C B 243 REMARK 465 C B 244 REMARK 465 A B 245 REMARK 465 A D 40 REMARK 465 U D 41 REMARK 465 U D 42 REMARK 465 U D 43 REMARK 465 C D 44 REMARK 465 G D 45 REMARK 465 A D 46 REMARK 465 U D 47 REMARK 465 G D 48 REMARK 465 U D 49 REMARK 465 G D 50 REMARK 465 C D 51 REMARK 465 C D 52 REMARK 465 U D 53 REMARK 465 U D 54 REMARK 465 G D 55 REMARK 465 C D 56 REMARK 465 G D 57 REMARK 465 C D 58 REMARK 465 C D 59 REMARK 465 G D 60 REMARK 465 G D 61 REMARK 465 G D 62 REMARK 465 A D 63 REMARK 465 A D 64 REMARK 465 A D 65 REMARK 465 C D 66 REMARK 465 C D 67 REMARK 465 A D 68 REMARK 465 C D 69 REMARK 465 G D 70 REMARK 465 C D 71 REMARK 465 A D 72 REMARK 465 A D 73 REMARK 465 G D 74 REMARK 465 G D 75 REMARK 465 G D 76 REMARK 465 A D 77 REMARK 465 U D 78 REMARK 465 G D 79 REMARK 465 G D 80 REMARK 465 U D 81 REMARK 465 G D 82 REMARK 465 U D 83 REMARK 465 C D 84 REMARK 465 A D 85 REMARK 465 A D 86 REMARK 465 A D 87 REMARK 465 U D 88 REMARK 465 U D 89 REMARK 465 C D 90 REMARK 465 G D 91 REMARK 465 G D 92 REMARK 465 C D 93 REMARK 465 G D 94 REMARK 465 A D 95 REMARK 465 A D 96 REMARK 465 A D 97 REMARK 465 C D 98 REMARK 465 C D 99 REMARK 465 U D 100 REMARK 465 A D 101 REMARK 465 A D 102 REMARK 465 G D 103 REMARK 465 C D 104 REMARK 465 G D 105 REMARK 465 C D 106 REMARK 465 C D 107 REMARK 465 C D 108 REMARK 465 G D 109 REMARK 465 C D 110 REMARK 465 C D 111 REMARK 465 C D 112 REMARK 465 G D 113 REMARK 465 G D 114 REMARK 465 G D 115 REMARK 465 C D 116 REMARK 465 G D 117 REMARK 465 U D 118 REMARK 465 A D 119 REMARK 465 U D 120 REMARK 465 G D 121 REMARK 465 G D 122 REMARK 465 C D 123 REMARK 465 A D 124 REMARK 465 A D 125 REMARK 465 C D 126 REMARK 465 G D 127 REMARK 465 C D 128 REMARK 465 C D 129 REMARK 465 G D 130 REMARK 465 A D 131 REMARK 465 G D 132 REMARK 465 C D 133 REMARK 465 C D 134 REMARK 465 A D 135 REMARK 465 A D 136 REMARK 465 G D 137 REMARK 465 C D 138 REMARK 465 U D 139 REMARK 465 U D 140 REMARK 465 C D 141 REMARK 465 G D 142 REMARK 465 G D 143 REMARK 465 C D 144 REMARK 465 G D 145 REMARK 465 C D 146 REMARK 465 C D 147 REMARK 465 U D 148 REMARK 465 G D 149 REMARK 465 C D 150 REMARK 465 G D 151 REMARK 465 C D 152 REMARK 465 C D 153 REMARK 465 G D 154 REMARK 465 A D 155 REMARK 465 U D 156 REMARK 465 G D 157 REMARK 465 A D 158 REMARK 465 A D 159 REMARK 465 G D 160 REMARK 465 G D 161 REMARK 465 U D 162 REMARK 465 G D 163 REMARK 465 U D 164 REMARK 465 A D 165 REMARK 465 G D 166 REMARK 465 A D 167 REMARK 465 G D 168 REMARK 465 A D 169 REMARK 465 C D 170 REMARK 465 U D 171 REMARK 465 A D 172 REMARK 465 G D 173 REMARK 465 A D 174 REMARK 465 C D 175 REMARK 465 G D 176 REMARK 465 G D 177 REMARK 465 C D 178 REMARK 465 A D 179 REMARK 465 C D 180 REMARK 465 C D 181 REMARK 465 C D 182 REMARK 465 A D 183 REMARK 465 C D 184 REMARK 465 C D 185 REMARK 465 U D 186 REMARK 465 A D 187 REMARK 465 A D 188 REMARK 465 G D 189 REMARK 465 G D 190 REMARK 465 C D 191 REMARK 465 A D 192 REMARK 465 A D 193 REMARK 465 A D 194 REMARK 465 C D 195 REMARK 465 G D 196 REMARK 465 C D 197 REMARK 465 U D 198 REMARK 465 A D 199 REMARK 465 U D 200 REMARK 465 G D 201 REMARK 465 G D 202 REMARK 465 U D 203 REMARK 465 G D 204 REMARK 465 A D 205 REMARK 465 A D 206 REMARK 465 G D 207 REMARK 465 G D 208 REMARK 465 C D 209 REMARK 465 A D 210 REMARK 465 U D 211 REMARK 465 A D 212 REMARK 465 G D 213 REMARK 465 U D 214 REMARK 465 C D 215 REMARK 465 C D 216 REMARK 465 A D 217 REMARK 465 G D 218 REMARK 465 G D 219 REMARK 465 G D 220 REMARK 465 A D 221 REMARK 465 G D 222 REMARK 465 U D 223 REMARK 465 G D 224 REMARK 465 G D 225 REMARK 465 C D 226 REMARK 465 G D 227 REMARK 465 A D 228 REMARK 465 A D 229 REMARK 465 A D 230 REMARK 465 G D 231 REMARK 465 U D 232 REMARK 465 C D 233 REMARK 465 A D 234 REMARK 465 C D 235 REMARK 465 A D 236 REMARK 465 C D 237 REMARK 465 A D 238 REMARK 465 A D 239 REMARK 465 A D 240 REMARK 465 C D 241 REMARK 465 C D 242 REMARK 465 G D 243 REMARK 465 G D 244 REMARK 465 A D 245 REMARK 465 A D 246 REMARK 465 U D 247 REMARK 465 C D 248 REMARK 465 C D 249 REMARK 465 G D 250 REMARK 465 U D 251 REMARK 465 U D 252 REMARK 465 G D 253 REMARK 465 G D 254 REMARK 465 U D 255 REMARK 465 G D 256 REMARK 465 C D 257 REMARK 465 U D 258 REMARK 465 G D 259 REMARK 465 G D 260 REMARK 465 G D 261 REMARK 465 U D 262 REMARK 465 U D 263 REMARK 465 C D 264 REMARK 465 G D 265 REMARK 465 A D 266 REMARK 465 C D 267 REMARK 465 U D 268 REMARK 465 C D 269 REMARK 465 C D 270 REMARK 465 C D 271 REMARK 465 A D 272 REMARK 465 G D 273 REMARK 465 G D 274 REMARK 465 G D 275 REMARK 465 G D 276 REMARK 465 G D 277 REMARK 465 C D 278 REMARK 465 C D 279 REMARK 465 C D 280 REMARK 465 A D 281 REMARK 465 C D 282 REMARK 465 C D 283 REMARK 465 A D 284 REMARK 465 G E -204 REMARK 465 G E -203 REMARK 465 G E -202 REMARK 465 C E -201 REMARK 465 C E -200 REMARK 465 U E -199 REMARK 465 C E -198 REMARK 465 U E -197 REMARK 465 A E -196 REMARK 465 G E -195 REMARK 465 C E -194 REMARK 465 U E -193 REMARK 465 C E -192 REMARK 465 A E -191 REMARK 465 U E -190 REMARK 465 G E -189 REMARK 465 C E -188 REMARK 465 U E -187 REMARK 465 U E -186 REMARK 465 G E -185 REMARK 465 G E -184 REMARK 465 U E -183 REMARK 465 U E -182 REMARK 465 A E -181 REMARK 465 G E -180 REMARK 465 A E -179 REMARK 465 G E -178 REMARK 465 C E -177 REMARK 465 A E -176 REMARK 465 G E -175 REMARK 465 C E -174 REMARK 465 G E -173 REMARK 465 G E -172 REMARK 465 A E -171 REMARK 465 C E -170 REMARK 465 U E -169 REMARK 465 C E -168 REMARK 465 A E -167 REMARK 465 U E -166 REMARK 465 A E -165 REMARK 465 U E -164 REMARK 465 U E -163 REMARK 465 U E -162 REMARK 465 C E -161 REMARK 465 G E -160 REMARK 465 A E -159 REMARK 465 U E -158 REMARK 465 G E -157 REMARK 465 U E -156 REMARK 465 G E -155 REMARK 465 C E -154 REMARK 465 C E -153 REMARK 465 U E -152 REMARK 465 U E -151 REMARK 465 G E -150 REMARK 465 C E -149 REMARK 465 G E -148 REMARK 465 C E -147 REMARK 465 C E -146 REMARK 465 G E -145 REMARK 465 G E -144 REMARK 465 G E -143 REMARK 465 A E -142 REMARK 465 A E -141 REMARK 465 A E -140 REMARK 465 C E -139 REMARK 465 C E -138 REMARK 465 A E -137 REMARK 465 C E -136 REMARK 465 G E -135 REMARK 465 C E -134 REMARK 465 A E -133 REMARK 465 A E -132 REMARK 465 G E -131 REMARK 465 G E -130 REMARK 465 G E -129 REMARK 465 A E -128 REMARK 465 U E -127 REMARK 465 G E -126 REMARK 465 G E -125 REMARK 465 U E -124 REMARK 465 G E -123 REMARK 465 U E -122 REMARK 465 C E -121 REMARK 465 A E -120 REMARK 465 A E -119 REMARK 465 A E -118 REMARK 465 U E -117 REMARK 465 U E -116 REMARK 465 C E -115 REMARK 465 G E -114 REMARK 465 G E -113 REMARK 465 C E -112 REMARK 465 G E -111 REMARK 465 A E -110 REMARK 465 A E -109 REMARK 465 A E -108 REMARK 465 C E -107 REMARK 465 C E -106 REMARK 465 U E -105 REMARK 465 A E -104 REMARK 465 A E -103 REMARK 465 G E -102 REMARK 465 C E -101 REMARK 465 G E -100 REMARK 465 C E -99 REMARK 465 C E -98 REMARK 465 C E -97 REMARK 465 G E -96 REMARK 465 C E -95 REMARK 465 C E -94 REMARK 465 C E -93 REMARK 465 G E -92 REMARK 465 G E -91 REMARK 465 G E -90 REMARK 465 C E -89 REMARK 465 G E -88 REMARK 465 U E -87 REMARK 465 A E -86 REMARK 465 U E -85 REMARK 465 G E -84 REMARK 465 G E -83 REMARK 465 C E -82 REMARK 465 A E -81 REMARK 465 A E -80 REMARK 465 C E -79 REMARK 465 G E -78 REMARK 465 C E -77 REMARK 465 C E -76 REMARK 465 G E -75 REMARK 465 A E -74 REMARK 465 G E -73 REMARK 465 C E -72 REMARK 465 C E -71 REMARK 465 A E -70 REMARK 465 A E -69 REMARK 465 G E -68 REMARK 465 C E -67 REMARK 465 U E -66 REMARK 465 U E -65 REMARK 465 C E -64 REMARK 465 G E -63 REMARK 465 G E -62 REMARK 465 C E -61 REMARK 465 G E -60 REMARK 465 C E -59 REMARK 465 C E -58 REMARK 465 U E -57 REMARK 465 G E -56 REMARK 465 C E -55 REMARK 465 G E -54 REMARK 465 C E -53 REMARK 465 C E -52 REMARK 465 G E -51 REMARK 465 A E -50 REMARK 465 U E -49 REMARK 465 G E -48 REMARK 465 A E -47 REMARK 465 A E -46 REMARK 465 G E -45 REMARK 465 G E -44 REMARK 465 U E -43 REMARK 465 G E -42 REMARK 465 U E -41 REMARK 465 A E -40 REMARK 465 G E -39 REMARK 465 A E -38 REMARK 465 G E -37 REMARK 465 A E -36 REMARK 465 C E -35 REMARK 465 U E -34 REMARK 465 A E -33 REMARK 465 G E -32 REMARK 465 A E -31 REMARK 465 C E -30 REMARK 465 G E -29 REMARK 465 G E -28 REMARK 465 C E -27 REMARK 465 A E -26 REMARK 465 C E -25 REMARK 465 C E -24 REMARK 465 C E -23 REMARK 465 A E -22 REMARK 465 C E -21 REMARK 465 C E -20 REMARK 465 U E -19 REMARK 465 A E -18 REMARK 465 A E -17 REMARK 465 G E -16 REMARK 465 G E -15 REMARK 465 C E -14 REMARK 465 A E -13 REMARK 465 A E -12 REMARK 465 A E -11 REMARK 465 C E -10 REMARK 465 G E -9 REMARK 465 C E -8 REMARK 465 U E -7 REMARK 465 A E -6 REMARK 465 U E -5 REMARK 465 G E -4 REMARK 465 G E -3 REMARK 465 U E -2 REMARK 465 G E -1 REMARK 465 A E 0 REMARK 465 A E 1 REMARK 465 G E 2 REMARK 465 G E 3 REMARK 465 C E 4 REMARK 465 A E 5 REMARK 465 U E 6 REMARK 465 A E 7 REMARK 465 G E 8 REMARK 465 U E 9 REMARK 465 C E 10 REMARK 465 C E 11 REMARK 465 A E 12 REMARK 465 G E 13 REMARK 465 G E 14 REMARK 465 G E 15 REMARK 465 A E 16 REMARK 465 G E 17 REMARK 465 U E 18 REMARK 465 G E 19 REMARK 465 G E 20 REMARK 465 C E 21 REMARK 465 G E 22 REMARK 465 A E 23 REMARK 465 A E 24 REMARK 465 A E 25 REMARK 465 G E 26 REMARK 465 U E 27 REMARK 465 C E 28 REMARK 465 A E 29 REMARK 465 C E 30 REMARK 465 A E 31 REMARK 465 C E 32 REMARK 465 A E 33 REMARK 465 A E 34 REMARK 465 A E 35 REMARK 465 C E 36 REMARK 465 C E 37 REMARK 465 G E 38 REMARK 465 G E 39 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 P A B 1 O3' U D 39 1.60 REMARK 500 O3' G B 205 P A E 40 1.61 REMARK 500 O2' A B 126 N2 GMP B 301 1.68 REMARK 500 C1' A B 126 N2 GMP B 301 1.97 REMARK 500 N3 A B 126 N1 GMP B 301 2.14 REMARK 500 C2' A B 126 N2 GMP B 301 2.15 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 G D 1 P G D 1 OP3 -0.128 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 U D 36 N3 - C2 - O2 ANGL. DEV. = -4.3 DEGREES REMARK 500 U D 36 C2 - N1 - C1' ANGL. DEV. = 8.6 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 303 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A B 86 OP1 REMARK 620 2 G B 127 OP1 69.7 REMARK 620 3 G B 127 OP2 116.0 55.0 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 302 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 C B 87 OP1 REMARK 620 2 G B 169 OP1 92.5 REMARK 620 3 A B 171 OP1 77.0 82.8 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 305 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 U B 123 OP1 REMARK 620 2 C B 170 OP2 82.9 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 307 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A B 171 OP2 REMARK 620 2 GMP B 301 O4' 129.5 REMARK 620 3 GMP B 301 O3' 136.2 94.3 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 304 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 U B 172 OP2 REMARK 620 2 A B 173 OP2 75.5 REMARK 620 N 1 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-64818 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURES OF THE AZOARCUS PRE-TRNA(ILE) CONFORMATION A REMARK 900 UNDERGOING THE FIRST-STEP SELF-SPLICING DBREF 9V7N B -38 245 PDB 9V7N 9V7N -38 245 DBREF 9V7N D 1 284 PDB 9V7N 9V7N 1 284 DBREF 9V7N E -204 79 PDB 9V7N 9V7N -204 79 SEQRES 1 B 284 G G G C C U C U A G C U C SEQRES 2 B 284 A U G C U U G G U U A G A SEQRES 3 B 284 G C A G C G G A C U C A U SEQRES 4 B 284 A U U U C G A U G U G C C SEQRES 5 B 284 U U G C G C C G G G A A A SEQRES 6 B 284 C C A C G C A A G G G A U SEQRES 7 B 284 G G U G U C A A A U U C G SEQRES 8 B 284 G C G A A A C C U A A G C SEQRES 9 B 284 G C C C G C C C G G G C G SEQRES 10 B 284 U A U G G C A A C G C C G SEQRES 11 B 284 A G C C A A G C U U C G G SEQRES 12 B 284 C G C C U G C G C C G A U SEQRES 13 B 284 G A A G G U G U A G A G A SEQRES 14 B 284 C U A G A C G G C A C C C SEQRES 15 B 284 A C C U A A G G C A A A C SEQRES 16 B 284 G C U A U G G U G A A G G SEQRES 17 B 284 C A U A G U C C A G G G A SEQRES 18 B 284 G U G G C G A A A G U C A SEQRES 19 B 284 C A C A A A C C G G A A U SEQRES 20 B 284 C C G U U G G U G C U G G SEQRES 21 B 284 G U U C G A C U C C C A G SEQRES 22 B 284 G G G G C C C A C C A SEQRES 1 D 284 G G G C C U C U A G C U C SEQRES 2 D 284 A U G C U U G G U U A G A SEQRES 3 D 284 G C A G C G G A C U C A U SEQRES 4 D 284 A U U U C G A U G U G C C SEQRES 5 D 284 U U G C G C C G G G A A A SEQRES 6 D 284 C C A C G C A A G G G A U SEQRES 7 D 284 G G U G U C A A A U U C G SEQRES 8 D 284 G C G A A A C C U A A G C SEQRES 9 D 284 G C C C G C C C G G G C G SEQRES 10 D 284 U A U G G C A A C G C C G SEQRES 11 D 284 A G C C A A G C U U C G G SEQRES 12 D 284 C G C C U G C G C C G A U SEQRES 13 D 284 G A A G G U G U A G A G A SEQRES 14 D 284 C U A G A C G G C A C C C SEQRES 15 D 284 A C C U A A G G C A A A C SEQRES 16 D 284 G C U A U G G U G A A G G SEQRES 17 D 284 C A U A G U C C A G G G A SEQRES 18 D 284 G U G G C G A A A G U C A SEQRES 19 D 284 C A C A A A C C G G A A U SEQRES 20 D 284 C C G U U G G U G C U G G SEQRES 21 D 284 G U U C G A C U C C C A G SEQRES 22 D 284 G G G G C C C A C C A SEQRES 1 E 284 G G G C C U C U A G C U C SEQRES 2 E 284 A U G C U U G G U U A G A SEQRES 3 E 284 G C A G C G G A C U C A U SEQRES 4 E 284 A U U U C G A U G U G C C SEQRES 5 E 284 U U G C G C C G G G A A A SEQRES 6 E 284 C C A C G C A A G G G A U SEQRES 7 E 284 G G U G U C A A A U U C G SEQRES 8 E 284 G C G A A A C C U A A G C SEQRES 9 E 284 G C C C G C C C G G G C G SEQRES 10 E 284 U A U G G C A A C G C C G SEQRES 11 E 284 A G C C A A G C U U C G G SEQRES 12 E 284 C G C C U G C G C C G A U SEQRES 13 E 284 G A A G G U G U A G A G A SEQRES 14 E 284 C U A G A C G G C A C C C SEQRES 15 E 284 A C C U A A G G C A A A C SEQRES 16 E 284 G C U A U G G U G A A G G SEQRES 17 E 284 C A U A G U C C A G G G A SEQRES 18 E 284 G U G G C G A A A G U C A SEQRES 19 E 284 C A C A A A C C G G A A U SEQRES 20 E 284 C C G U U G G U G C U G G SEQRES 21 E 284 G U U C G A C U C C C A G SEQRES 22 E 284 G G G G C C C A C C A HET GMP B 301 20 HET MG B 302 1 HET MG B 303 1 HET MG B 304 1 HET MG B 305 1 HET MG B 306 1 HET MG B 307 1 HETNAM GMP GUANOSINE HETNAM MG MAGNESIUM ION FORMUL 4 GMP C10 H13 N5 O5 FORMUL 5 MG 6(MG 2+) LINK OP1 A B 86 MG MG B 303 1555 1555 2.10 LINK OP1 C B 87 MG MG B 302 1555 1555 2.17 LINK OP1 U B 123 MG MG B 305 1555 1555 2.40 LINK OP1 G B 127 MG MG B 303 1555 1555 2.96 LINK OP2 G B 127 MG MG B 303 1555 1555 2.42 LINK OP1 G B 169 MG MG B 302 1555 1555 2.01 LINK OP2 C B 170 MG MG B 305 1555 1555 2.46 LINK OP1 C B 170 MG MG B 306 1555 1555 2.87 LINK OP1 A B 171 MG MG B 302 1555 1555 2.52 LINK OP2 A B 171 MG MG B 307 1555 1555 2.93 LINK OP2 U B 172 MG MG B 304 1555 1555 2.75 LINK OP2 A B 173 MG MG B 304 1555 1555 2.20 LINK O4' GMP B 301 MG MG B 307 1555 1555 2.12 LINK O3' GMP B 301 MG MG B 307 1555 1555 2.05 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 CONECT 1821 6108 CONECT 1843 6107 CONECT 2614 6110 CONECT 2699 6108 CONECT 2700 6108 CONECT 3603 6107 CONECT 3626 6111 CONECT 3627 6110 CONECT 3646 6107 CONECT 3647 6112 CONECT 3669 6109 CONECT 3689 6109 CONECT 6087 6088 CONECT 6088 6087 6089 CONECT 6089 6088 6090 6091 CONECT 6090 6089 6095 6112 CONECT 6091 6089 6092 6093 CONECT 6092 6091 6112 CONECT 6093 6091 6094 6095 CONECT 6094 6093 CONECT 6095 6090 6093 6096 CONECT 6096 6095 6097 6106 CONECT 6097 6096 6098 CONECT 6098 6097 6099 CONECT 6099 6098 6100 6106 CONECT 6100 6099 6101 6102 CONECT 6101 6100 CONECT 6102 6100 6103 CONECT 6103 6102 6104 6105 CONECT 6104 6103 CONECT 6105 6103 6106 CONECT 6106 6096 6099 6105 CONECT 6107 1843 3603 3646 CONECT 6108 1821 2699 2700 CONECT 6109 3669 3689 CONECT 6110 2614 3627 CONECT 6111 3626 CONECT 6112 3647 6090 6092 MASTER 771 0 7 0 0 0 0 6 6109 3 38 66 END