HEADER RNA 26-MAR-22 7XD3 TITLE THE RELAXED PRE-TET-S1 STATE OF WILD-TYPE TETRAHYMENA GROUP I INTRON TITLE 2 WITH 6NT 3'/5'-EXON COMPND MOL_ID: 1; COMPND 2 MOLECULE: THE RELAXED PRE-TET-S1 STATE MOLECULE OF CO-TRANSCRIPTIONAL COMPND 3 FOLDED WILD-TYPE TETRAHYMENA GROUP I INTRON WITH 6NT 3'/5'-EXON; COMPND 4 CHAIN: N; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TETRAHYMENA THERMOPHILA; SOURCE 3 ORGANISM_TAXID: 5911; SOURCE 4 EXPRESSION_SYSTEM: SYNTHETIC CONSTRUCT; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 32630 KEYWDS CATALYTIC RNA, TETRAHYMENA GROUP I INTRON, RNA EXPDTA ELECTRON MICROSCOPY AUTHOR B.LUO,C.ZHANG,X.LING,S.MUKHERJEE,G.JIA,J.XIE,X.JIA,L.LIU,E.F.BAULIN, AUTHOR 2 Y.LUO,L.JIANG,H.DONG,X.WEI,J.M.BUJNICKI,Z.SU REVDAT 1 29-MAR-23 7XD3 0 JRNL AUTH B.LUO,C.ZHANG,X.LING,S.MUKHERJEE,G.JIA,J.XIE,X.JIA,L.LIU, JRNL AUTH 2 E.F.BAULIN,Y.LUO,L.JIANG,H.DONG,X.WEI,J.M.BUJNICKI,Z.SU JRNL TITL CRYO-EM REVEALS DYNAMICS OF TETRAHYMENA GROUP I INTRON JRNL TITL 2 SELF-SPLICING JRNL REF NAT CATAL 2023 JRNL REFN ESSN 2520-1158 JRNL DOI 10.1038/S41929-023-00934-3 REMARK 2 REMARK 2 RESOLUTION. 4.05 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : EPU, CTFFIND, RELION, UCSF CHIMERA, REMARK 3 RELION, RELION, RELION, RELION, PHENIX, REMARK 3 COOT REMARK 3 RECONSTRUCTION SCHEMA : FOURIER SPACE REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 7EZ0 REMARK 3 REFINEMENT SPACE : REAL REMARK 3 REFINEMENT PROTOCOL : AB INITIO MODEL 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) : 4.050 REMARK 3 NUMBER OF PARTICLES : 44326 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 7XD3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 31-MAR-22. REMARK 100 THE DEPOSITION ID IS D_1300027514. 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 : CO-TRANSCRIPTIONAL FOLDED WILD REMARK 245 -TYPE TETRAHYMENA GROUP I REMARK 245 INTRON WITH 6NT 3'/5'-EXON REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.90 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 : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K2 SUMMIT (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 600.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2500.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 6100.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 165000 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: N 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 N 419 REMARK 465 U N 420 REMARK 465 A N 421 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 N 506 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G N 164 O6 REMARK 620 2 A N 178 OP2 144.4 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG N 504 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A N 183 OP1 REMARK 620 2 A N 184 OP2 114.3 REMARK 620 3 A N 186 OP2 89.0 63.8 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG N 510 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A N 256 OP1 REMARK 620 2 U N 273 OP1 107.3 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG N 513 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 U N 258 OP1 REMARK 620 2 U N 258 OP2 72.4 REMARK 620 3 U N 305 OP2 101.7 158.3 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG N 525 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 C N 262 OP1 REMARK 620 2 A N 306 OP2 101.8 REMARK 620 3 G N 414 O2' 131.7 67.9 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG N 517 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A N 301 OP1 REMARK 620 2 A N 302 OP2 95.2 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG N 524 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A N 304 OP1 REMARK 620 2 A N 306 OP1 97.2 REMARK 620 N 1 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-31385 RELATED DB: EMDB REMARK 900 APO L-21 SCAI TETRAHYMENA RIBOZYME REMARK 900 RELATED ID: EMD-33134 RELATED DB: EMDB DBREF 7XD3 N -6 421 GB 10832 X54512.1 7004 7429 SEQRES 1 N 426 C U C U C U A A A U A G C SEQRES 2 N 426 A A U A U U U A C C U U U SEQRES 3 N 426 G G A G G G A A A A G U U SEQRES 4 N 426 A U C A G G C A U G C A C SEQRES 5 N 426 C U G G U A G C U A G U C SEQRES 6 N 426 U U U A A A C C A A U A G SEQRES 7 N 426 A U U G C A U C G G U U U SEQRES 8 N 426 A A A A G G C A A G A C C SEQRES 9 N 426 G U C A A A U U G C G G G SEQRES 10 N 426 A A A G G G G U C A A C A SEQRES 11 N 426 G C C G U U C A G U A C C SEQRES 12 N 426 A A G U C U C A G G G G A SEQRES 13 N 426 A A C U U U G A G A U G G SEQRES 14 N 426 C C U U G C A A A G G G U SEQRES 15 N 426 A U G G U A A U A A G C U SEQRES 16 N 426 G A C G G A C A U G G U C SEQRES 17 N 426 C U A A C C A C G C A G C SEQRES 18 N 426 C A A G U C C U A A G U C SEQRES 19 N 426 A A C A G A U C U U C U G SEQRES 20 N 426 U U G A U A U G G A U G C SEQRES 21 N 426 A G U U C A C A G A C U A SEQRES 22 N 426 A A U G U C G G U C G G G SEQRES 23 N 426 G A A G A U G U A U U C U SEQRES 24 N 426 U C U C A U A A G A U A U SEQRES 25 N 426 A G U C G G A C C U C U C SEQRES 26 N 426 C U U A A U G G G A G C U SEQRES 27 N 426 A G C G G A U G A A G U G SEQRES 28 N 426 A U G C A A C A C U G G A SEQRES 29 N 426 G C C G C U G G G A A C U SEQRES 30 N 426 A A U U U G U A U G C G A SEQRES 31 N 426 A A G U A U A U U G A U U SEQRES 32 N 426 A G U U U U G G A G U A C SEQRES 33 N 426 U C G U A A G G U A HET MG N 501 1 HET MG N 502 1 HET MG N 503 1 HET MG N 504 1 HET MG N 505 1 HET MG N 506 1 HET MG N 507 1 HET MG N 508 1 HET MG N 509 1 HET MG N 510 1 HET MG N 511 1 HET MG N 512 1 HET MG N 513 1 HET MG N 514 1 HET MG N 515 1 HET MG N 516 1 HET MG N 517 1 HET MG N 518 1 HET MG N 519 1 HET MG N 520 1 HET MG N 521 1 HET MG N 522 1 HET MG N 523 1 HET MG N 524 1 HET MG N 525 1 HET MG N 526 1 HET MG N 527 1 HET MG N 528 1 HETNAM MG MAGNESIUM ION FORMUL 2 MG 28(MG 2+) LINK OP1 A N 94 MG MG N 527 1555 1555 2.74 LINK OP2 G N 150 MG MG N 509 1555 1555 2.06 LINK O6 G N 164 MG MG N 506 1555 1555 1.98 LINK OP2 A N 171 MG MG N 520 1555 1555 2.54 LINK OP2 A N 178 MG MG N 506 1555 1555 1.96 LINK OP1 A N 183 MG MG N 504 1555 1555 2.64 LINK OP2 A N 184 MG MG N 504 1555 1555 2.44 LINK OP2 A N 186 MG MG N 504 1555 1555 2.60 LINK OP1 A N 256 MG MG N 510 1555 1555 2.27 LINK OP1 U N 258 MG MG N 513 1555 1555 2.31 LINK OP2 U N 258 MG MG N 513 1555 1555 2.00 LINK OP1 U N 258 MG MG N 514 1555 1555 2.88 LINK OP1 U N 259 MG MG N 515 1555 1555 2.07 LINK OP2 C N 262 MG MG N 502 1555 1555 2.03 LINK OP1 C N 262 MG MG N 525 1555 1555 2.21 LINK OP1 U N 273 MG MG N 510 1555 1555 2.68 LINK OP1 A N 301 MG MG N 517 1555 1555 2.09 LINK OP2 A N 302 MG MG N 517 1555 1555 2.00 LINK OP1 A N 304 MG MG N 524 1555 1555 2.04 LINK OP2 U N 305 MG MG N 513 1555 1555 2.40 LINK OP1 U N 305 MG MG N 516 1555 1555 2.57 LINK OP1 A N 306 MG MG N 524 1555 1555 2.16 LINK OP2 A N 306 MG MG N 525 1555 1555 2.49 LINK OP2 U N 307 MG MG N 526 1555 1555 2.72 LINK O2' G N 414 MG MG N 525 1555 1555 2.27 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