HEADER TRANSFERASE 05-NOV-25 9Z2R TITLE CRYOEM STRUCTURE OF HUMAN NSUN2 WITH TRNA LYS(CTT) AND SFG (D-ARM TITLE 2 CONFORMATION) COMPND MOL_ID: 1; COMPND 2 MOLECULE: RNA CYTOSINE C(5)-METHYLTRANSFERASE NSUN2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MYC-INDUCED SUN DOMAIN-CONTAINING PROTEIN,MISU,NOL1/NOP2/SUN COMPND 5 DOMAIN FAMILY MEMBER 2,SUBSTRATE OF AIM1/AURORA KINASE B,MRNA COMPND 6 CYTOSINE C(5)-METHYLTRANSFERASE,TRNA CYTOSINE C(5)-METHYLTRANSFERASE, COMPND 7 TRNA METHYLTRANSFERASE 4 HOMOLOG,HTRM4; COMPND 8 EC: 2.1.1.-,2.1.1.203; COMPND 9 ENGINEERED: YES; COMPND 10 MOL_ID: 2; COMPND 11 MOLECULE: TRNA LYS(CTT); COMPND 12 CHAIN: B; COMPND 13 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: NSUN2, SAKI, TRM4; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 11 ORGANISM_COMMON: HUMAN; SOURCE 12 ORGANISM_TAXID: 9606 KEYWDS TRANSFERASE, METHYLTRANSFERASE, TRNA, COMPLEX EXPDTA ELECTRON MICROSCOPY AUTHOR J.CANEPA,V.M.RUIZ-ARROYO,Y.NAM REVDAT 1 03-JUN-26 9Z2R 0 JRNL AUTH J.CANEPA,V.M.RUIZ-ARROYO,N.SCHLAMOWITZ,Y.NAM JRNL TITL SUBSTRATE SELECTIVITY OF THE HUMAN RNA M5C METHYLTRANSFERASE JRNL TITL 2 NSUN2 JRNL REF NATURE 2026 JRNL REFN ESSN 1476-4687 JRNL DOI 10.1038/S41586-026-10582-9 REMARK 2 REMARK 2 RESOLUTION. 3.71 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, SERIALEM, CRYOSPARC, COOT, REMARK 3 PHENIX, CRYOSPARC, CRYOSPARC, CRYOSPARC, REMARK 3 CRYOSPARC REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 1FIR 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) : 3.710 REMARK 3 NUMBER OF PARTICLES : 32000 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 9Z2R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-NOV-25. REMARK 100 THE DEPOSITION ID IS D_1000293861. 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 : NSUN2 AND TRNA LYS(CTT) WITH REMARK 245 SFG REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 4.00 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 : 8495 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 700.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2200.00 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) : 6000.00 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 MET A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 HIS A -9 REMARK 465 HIS A -8 REMARK 465 GLU A -7 REMARK 465 ASN A -6 REMARK 465 LEU A -5 REMARK 465 TYR A -4 REMARK 465 PHE A -3 REMARK 465 GLN A -2 REMARK 465 GLY A -1 REMARK 465 SER A 0 REMARK 465 GLY A 1 REMARK 465 GLY A 2 REMARK 465 ARG A 3 REMARK 465 ARG A 4 REMARK 465 SER A 5 REMARK 465 ARG A 6 REMARK 465 GLY A 7 REMARK 465 ARG A 8 REMARK 465 ARG A 9 REMARK 465 LEU A 10 REMARK 465 GLN A 11 REMARK 465 GLN A 12 REMARK 465 GLN A 13 REMARK 465 GLN A 14 REMARK 465 ARG A 15 REMARK 465 PRO A 16 REMARK 465 GLU A 17 REMARK 465 ASP A 18 REMARK 465 ALA A 19 REMARK 465 GLU A 20 REMARK 465 ASP A 21 REMARK 465 GLY A 22 REMARK 465 ALA A 23 REMARK 465 GLU A 24 REMARK 465 GLY A 25 REMARK 465 GLY A 26 REMARK 465 GLY A 27 REMARK 465 LYS A 28 REMARK 465 ARG A 29 REMARK 465 GLY A 30 REMARK 465 GLU A 31 REMARK 465 ALA A 32 REMARK 465 GLY A 33 REMARK 465 TRP A 34 REMARK 465 GLU A 35 REMARK 465 LYS A 441 REMARK 465 LEU A 442 REMARK 465 GLN A 443 REMARK 465 GLY A 444 REMARK 465 LYS A 445 REMARK 465 SER A 446 REMARK 465 ALA A 447 REMARK 465 GLU A 448 REMARK 465 THR A 449 REMARK 465 ARG A 450 REMARK 465 GLU A 451 REMARK 465 SER A 452 REMARK 465 THR A 453 REMARK 465 GLN A 454 REMARK 465 LEU A 455 REMARK 465 SER A 456 REMARK 465 PRO A 457 REMARK 465 ALA A 458 REMARK 465 ASP A 459 REMARK 465 LEU A 460 REMARK 465 THR A 461 REMARK 465 GLU A 462 REMARK 465 GLY A 463 REMARK 465 LYS A 464 REMARK 465 PRO A 465 REMARK 465 THR A 466 REMARK 465 ASP A 467 REMARK 465 PRO A 468 REMARK 465 SER A 469 REMARK 465 LYS A 470 REMARK 465 LEU A 471 REMARK 465 GLU A 472 REMARK 465 SER A 473 REMARK 465 PRO A 474 REMARK 465 SER A 475 REMARK 465 PHE A 476 REMARK 465 THR A 477 REMARK 465 GLY A 478 REMARK 465 THR A 479 REMARK 465 GLY A 480 REMARK 465 ASP A 481 REMARK 465 THR A 482 REMARK 465 GLU A 483 REMARK 465 ILE A 484 REMARK 465 ALA A 485 REMARK 465 HIS A 486 REMARK 465 ALA A 487 REMARK 465 THR A 488 REMARK 465 GLU A 489 REMARK 465 ASP A 490 REMARK 465 LEU A 491 REMARK 465 GLU A 492 REMARK 465 ASN A 493 REMARK 465 ASN A 494 REMARK 465 GLY A 495 REMARK 465 SER A 496 REMARK 465 LYS A 497 REMARK 465 LYS A 498 REMARK 465 ASP A 499 REMARK 465 GLY A 500 REMARK 465 VAL A 501 REMARK 465 CYS A 502 REMARK 465 GLY A 503 REMARK 465 PRO A 504 REMARK 465 PRO A 505 REMARK 465 PRO A 506 REMARK 465 SER A 507 REMARK 465 LYS A 508 REMARK 465 LYS A 509 REMARK 465 MET A 510 REMARK 465 LYS A 511 REMARK 465 LEU A 512 REMARK 465 PHE A 513 REMARK 465 GLY A 514 REMARK 465 PHE A 515 REMARK 465 GLY A 708 REMARK 465 GLU A 709 REMARK 465 LYS A 710 REMARK 465 LYS A 711 REMARK 465 LYS A 712 REMARK 465 GLU A 713 REMARK 465 GLY A 714 REMARK 465 VAL A 715 REMARK 465 ILE A 716 REMARK 465 LEU A 717 REMARK 465 THR A 718 REMARK 465 ASN A 719 REMARK 465 GLU A 720 REMARK 465 SER A 721 REMARK 465 ALA A 722 REMARK 465 ALA A 723 REMARK 465 SER A 724 REMARK 465 THR A 725 REMARK 465 GLY A 726 REMARK 465 GLN A 727 REMARK 465 PRO A 728 REMARK 465 ASP A 729 REMARK 465 ASN A 730 REMARK 465 ASP A 731 REMARK 465 VAL A 732 REMARK 465 THR A 733 REMARK 465 GLU A 734 REMARK 465 GLY A 735 REMARK 465 GLN A 736 REMARK 465 ARG A 737 REMARK 465 ALA A 738 REMARK 465 GLY A 739 REMARK 465 GLU A 740 REMARK 465 PRO A 741 REMARK 465 ASN A 742 REMARK 465 SER A 743 REMARK 465 PRO A 744 REMARK 465 ASP A 745 REMARK 465 ALA A 746 REMARK 465 GLU A 747 REMARK 465 GLU A 748 REMARK 465 ALA A 749 REMARK 465 ASN A 750 REMARK 465 SER A 751 REMARK 465 PRO A 752 REMARK 465 ASP A 753 REMARK 465 VAL A 754 REMARK 465 THR A 755 REMARK 465 ALA A 756 REMARK 465 GLY A 757 REMARK 465 CYS A 758 REMARK 465 ASP A 759 REMARK 465 PRO A 760 REMARK 465 ALA A 761 REMARK 465 GLY A 762 REMARK 465 VAL A 763 REMARK 465 HIS A 764 REMARK 465 PRO A 765 REMARK 465 PRO A 766 REMARK 465 ARG A 767 REMARK 465 A B 76 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 HIS A 199 37.39 -96.89 REMARK 500 CYS A 321 47.49 -87.30 REMARK 500 ASP A 526 35.94 -99.48 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-73776 RELATED DB: EMDB REMARK 900 CRYOEM STRUCTURE OF HUMAN NSUN2 WITH TRNA LYS(CTT) AND SFG (D-ARM REMARK 900 CONFORMATION) DBREF 9Z2R A 2 767 UNP Q08J23 NSUN2_HUMAN 2 767 DBREF 9Z2R B 1 76 PDB 9Z2R 9Z2R 1 76 SEQADV 9Z2R MET A -14 UNP Q08J23 INITIATING METHIONINE SEQADV 9Z2R HIS A -13 UNP Q08J23 EXPRESSION TAG SEQADV 9Z2R HIS A -12 UNP Q08J23 EXPRESSION TAG SEQADV 9Z2R HIS A -11 UNP Q08J23 EXPRESSION TAG SEQADV 9Z2R HIS A -10 UNP Q08J23 EXPRESSION TAG SEQADV 9Z2R HIS A -9 UNP Q08J23 EXPRESSION TAG SEQADV 9Z2R HIS A -8 UNP Q08J23 EXPRESSION TAG SEQADV 9Z2R GLU A -7 UNP Q08J23 EXPRESSION TAG SEQADV 9Z2R ASN A -6 UNP Q08J23 EXPRESSION TAG SEQADV 9Z2R LEU A -5 UNP Q08J23 EXPRESSION TAG SEQADV 9Z2R TYR A -4 UNP Q08J23 EXPRESSION TAG SEQADV 9Z2R PHE A -3 UNP Q08J23 EXPRESSION TAG SEQADV 9Z2R GLN A -2 UNP Q08J23 EXPRESSION TAG SEQADV 9Z2R GLY A -1 UNP Q08J23 EXPRESSION TAG SEQADV 9Z2R SER A 0 UNP Q08J23 EXPRESSION TAG SEQADV 9Z2R GLY A 1 UNP Q08J23 EXPRESSION TAG SEQRES 1 A 782 MET HIS HIS HIS HIS HIS HIS GLU ASN LEU TYR PHE GLN SEQRES 2 A 782 GLY SER GLY GLY ARG ARG SER ARG GLY ARG ARG LEU GLN SEQRES 3 A 782 GLN GLN GLN ARG PRO GLU ASP ALA GLU ASP GLY ALA GLU SEQRES 4 A 782 GLY GLY GLY LYS ARG GLY GLU ALA GLY TRP GLU GLY GLY SEQRES 5 A 782 TYR PRO GLU ILE VAL LYS GLU ASN LYS LEU PHE GLU HIS SEQRES 6 A 782 TYR TYR GLN GLU LEU LYS ILE VAL PRO GLU GLY GLU TRP SEQRES 7 A 782 GLY GLN PHE MET ASP ALA LEU ARG GLU PRO LEU PRO ALA SEQRES 8 A 782 THR LEU ARG ILE THR GLY TYR LYS SER HIS ALA LYS GLU SEQRES 9 A 782 ILE LEU HIS CYS LEU LYS ASN LYS TYR PHE LYS GLU LEU SEQRES 10 A 782 GLU ASP LEU GLU VAL ASP GLY GLN LYS VAL GLU VAL PRO SEQRES 11 A 782 GLN PRO LEU SER TRP TYR PRO GLU GLU LEU ALA TRP HIS SEQRES 12 A 782 THR ASN LEU SER ARG LYS ILE LEU ARG LYS SER PRO HIS SEQRES 13 A 782 LEU GLU LYS PHE HIS GLN PHE LEU VAL SER GLU THR GLU SEQRES 14 A 782 SER GLY ASN ILE SER ARG GLN GLU ALA VAL SER MET ILE SEQRES 15 A 782 PRO PRO LEU LEU LEU ASN VAL ARG PRO HIS HIS LYS ILE SEQRES 16 A 782 LEU ASP MET CYS ALA ALA PRO GLY SER LYS THR THR GLN SEQRES 17 A 782 LEU ILE GLU MET LEU HIS ALA ASP MET ASN VAL PRO PHE SEQRES 18 A 782 PRO GLU GLY PHE VAL ILE ALA ASN ASP VAL ASP ASN LYS SEQRES 19 A 782 ARG CYS TYR LEU LEU VAL HIS GLN ALA LYS ARG LEU SER SEQRES 20 A 782 SER PRO CYS ILE MET VAL VAL ASN HIS ASP ALA SER SER SEQRES 21 A 782 ILE PRO ARG LEU GLN ILE ASP VAL ASP GLY ARG LYS GLU SEQRES 22 A 782 ILE LEU PHE TYR ASP ARG ILE LEU CYS ASP VAL PRO CYS SEQRES 23 A 782 SER GLY ASP GLY THR MET ARG LYS ASN ILE ASP VAL TRP SEQRES 24 A 782 LYS LYS TRP THR THR LEU ASN SER LEU GLN LEU HIS GLY SEQRES 25 A 782 LEU GLN LEU ARG ILE ALA THR ARG GLY ALA GLU GLN LEU SEQRES 26 A 782 ALA GLU GLY GLY ARG MET VAL TYR SER THR CYS SER LEU SEQRES 27 A 782 ASN PRO ILE GLU ASP GLU ALA VAL ILE ALA SER LEU LEU SEQRES 28 A 782 GLU LYS SER GLU GLY ALA LEU GLU LEU ALA ASP VAL SER SEQRES 29 A 782 ASN GLU LEU PRO GLY LEU LYS TRP MET PRO GLY ILE THR SEQRES 30 A 782 GLN TRP LYS VAL MET THR LYS ASP GLY GLN TRP PHE THR SEQRES 31 A 782 ASP TRP ASP ALA VAL PRO HIS SER ARG HIS THR GLN ILE SEQRES 32 A 782 ARG PRO THR MET PHE PRO PRO LYS ASP PRO GLU LYS LEU SEQRES 33 A 782 GLN ALA MET HIS LEU GLU ARG CYS LEU ARG ILE LEU PRO SEQRES 34 A 782 HIS HIS GLN ASN THR GLY GLY PHE PHE VAL ALA VAL LEU SEQRES 35 A 782 VAL LYS LYS SER SER MET PRO TRP ASN LYS ARG GLN PRO SEQRES 36 A 782 LYS LEU GLN GLY LYS SER ALA GLU THR ARG GLU SER THR SEQRES 37 A 782 GLN LEU SER PRO ALA ASP LEU THR GLU GLY LYS PRO THR SEQRES 38 A 782 ASP PRO SER LYS LEU GLU SER PRO SER PHE THR GLY THR SEQRES 39 A 782 GLY ASP THR GLU ILE ALA HIS ALA THR GLU ASP LEU GLU SEQRES 40 A 782 ASN ASN GLY SER LYS LYS ASP GLY VAL CYS GLY PRO PRO SEQRES 41 A 782 PRO SER LYS LYS MET LYS LEU PHE GLY PHE LYS GLU ASP SEQRES 42 A 782 PRO PHE VAL PHE ILE PRO GLU ASP ASP PRO LEU PHE PRO SEQRES 43 A 782 PRO ILE GLU LYS PHE TYR ALA LEU ASP PRO SER PHE PRO SEQRES 44 A 782 ARG MET ASN LEU LEU THR ARG THR THR GLU GLY LYS LYS SEQRES 45 A 782 ARG GLN LEU TYR MET VAL SER LYS GLU LEU ARG ASN VAL SEQRES 46 A 782 LEU LEU ASN ASN SER GLU LYS MET LYS VAL ILE ASN THR SEQRES 47 A 782 GLY ILE LYS VAL TRP CYS ARG ASN ASN SER GLY GLU GLU SEQRES 48 A 782 PHE ASP CYS ALA PHE ARG LEU ALA GLN GLU GLY ILE TYR SEQRES 49 A 782 THR LEU TYR PRO PHE ILE ASN SER ARG ILE ILE THR VAL SEQRES 50 A 782 SER MET GLU ASP VAL LYS ILE LEU LEU THR GLN GLU ASN SEQRES 51 A 782 PRO PHE PHE ARG LYS LEU SER SER GLU THR TYR SER GLN SEQRES 52 A 782 ALA LYS ASP LEU ALA LYS GLY SER ILE VAL LEU LYS TYR SEQRES 53 A 782 GLU PRO ASP SER ALA ASN PRO ASP ALA LEU GLN CYS PRO SEQRES 54 A 782 ILE VAL LEU CYS GLY TRP ARG GLY LYS ALA SER ILE ARG SEQRES 55 A 782 THR PHE VAL PRO LYS ASN GLU ARG LEU HIS TYR LEU ARG SEQRES 56 A 782 MET MET GLY LEU GLU VAL LEU GLY GLU LYS LYS LYS GLU SEQRES 57 A 782 GLY VAL ILE LEU THR ASN GLU SER ALA ALA SER THR GLY SEQRES 58 A 782 GLN PRO ASP ASN ASP VAL THR GLU GLY GLN ARG ALA GLY SEQRES 59 A 782 GLU PRO ASN SER PRO ASP ALA GLU GLU ALA ASN SER PRO SEQRES 60 A 782 ASP VAL THR ALA GLY CYS ASP PRO ALA GLY VAL HIS PRO SEQRES 61 A 782 PRO ARG SEQRES 1 B 76 G C C C G G C U A G C U C SEQRES 2 B 76 A G U C G G U A G A G C A SEQRES 3 B 76 U G G G A C U C U U A A U SEQRES 4 B 76 C C C A G G G U C G U G G SEQRES 5 B 76 G U U C G A G C C C C A C SEQRES 6 B 76 G U U G G G C G C C A HET SFG A 801 27 HETNAM SFG SINEFUNGIN HETSYN SFG ADENOSYL-ORNITHINE FORMUL 3 SFG C15 H23 N7 O5 HELIX 1 AA1 ASN A 45 LEU A 55 1 11 HELIX 2 AA2 GLU A 62 ARG A 71 1 10 HELIX 3 AA3 HIS A 86 LYS A 97 1 12 HELIX 4 AA4 TYR A 98 GLU A 103 5 6 HELIX 5 AA5 TYR A 121 GLU A 124 5 4 HELIX 6 AA6 ARG A 133 SER A 139 1 7 HELIX 7 AA7 LEU A 142 SER A 155 1 14 HELIX 8 AA8 GLU A 162 SER A 165 5 4 HELIX 9 AA9 MET A 166 ASN A 173 1 8 HELIX 10 AB1 GLY A 188 HIS A 199 1 12 HELIX 11 AB2 ASP A 217 LYS A 229 1 13 HELIX 12 AB3 ASP A 242 ILE A 246 5 5 HELIX 13 AB4 GLY A 273 MET A 277 5 5 HELIX 14 AB5 ASP A 282 TRP A 287 1 6 HELIX 15 AB6 THR A 289 GLN A 309 1 21 HELIX 16 AB7 ASP A 328 GLU A 340 1 13 HELIX 17 AB8 ASP A 376 VAL A 380 5 5 HELIX 18 AB9 PRO A 381 HIS A 385 5 5 HELIX 19 AC1 ARG A 389 PHE A 393 5 5 HELIX 20 AC2 ASP A 397 HIS A 405 1 9 HELIX 21 AC3 LEU A 406 ARG A 408 5 3 HELIX 22 AC4 LEU A 413 ASN A 418 1 6 HELIX 23 AC5 LEU A 529 ALA A 538 1 10 HELIX 24 AC6 PRO A 544 MET A 546 5 3 HELIX 25 AC7 SER A 564 ASN A 574 1 11 HELIX 26 AC8 GLY A 607 TYR A 612 1 6 HELIX 27 AC9 PRO A 613 ILE A 615 5 3 HELIX 28 AD1 SER A 623 GLN A 633 1 11 HELIX 29 AD2 PHE A 637 LEU A 641 5 5 HELIX 30 AD3 SER A 642 ASP A 651 1 10 HELIX 31 AD4 PRO A 691 MET A 702 1 12 SHEET 1 AA1 4 GLN A 116 PRO A 117 0 SHEET 2 AA1 4 ALA A 126 SER A 132 -1 O HIS A 128 N GLN A 116 SHEET 3 AA1 4 PRO A 75 ILE A 80 -1 N ALA A 76 O LEU A 131 SHEET 4 AA1 4 ILE A 158 ARG A 160 -1 O SER A 159 N ARG A 79 SHEET 1 AA2 2 GLU A 106 VAL A 107 0 SHEET 2 AA2 2 GLN A 110 LYS A 111 -1 O GLN A 110 N VAL A 107 SHEET 1 AA3 4 LEU A 343 LEU A 345 0 SHEET 2 AA3 4 PHE A 422 LYS A 429 -1 O VAL A 428 N GLU A 344 SHEET 3 AA3 4 LEU A 410 ILE A 412 -1 N LEU A 410 O VAL A 424 SHEET 4 AA3 4 MET A 358 PRO A 359 -1 N MET A 358 O ARG A 411 SHEET 1 AA4 8 LEU A 343 LEU A 345 0 SHEET 2 AA4 8 PHE A 422 LYS A 429 -1 O VAL A 428 N GLU A 344 SHEET 3 AA4 8 LEU A 310 THR A 320 -1 N TYR A 318 O ALA A 425 SHEET 4 AA4 8 TYR A 262 CYS A 267 1 N CYS A 267 O VAL A 317 SHEET 5 AA4 8 LYS A 179 ASP A 182 1 N LEU A 181 O LEU A 266 SHEET 6 AA4 8 PHE A 210 ASP A 215 1 O ILE A 212 N ASP A 182 SHEET 7 AA4 8 ILE A 236 ASN A 240 1 O MET A 237 N ALA A 213 SHEET 8 AA4 8 VAL A 580 THR A 583 -1 O ILE A 581 N VAL A 238 SHEET 1 AA5 2 GLN A 250 VAL A 253 0 SHEET 2 AA5 2 ARG A 256 ILE A 259 -1 O ARG A 256 N VAL A 253 SHEET 1 AA6 2 VAL A 366 MET A 367 0 SHEET 2 AA6 2 TRP A 373 PHE A 374 -1 O PHE A 374 N VAL A 366 SHEET 1 AA7 5 VAL A 521 PHE A 522 0 SHEET 2 AA7 5 LEU A 548 THR A 550 -1 O THR A 550 N VAL A 521 SHEET 3 AA7 5 GLN A 559 MET A 562 -1 O TYR A 561 N LEU A 549 SHEET 4 AA7 5 ILE A 585 ARG A 590 -1 O VAL A 587 N LEU A 560 SHEET 5 AA7 5 PHE A 601 LEU A 603 -1 O ARG A 602 N CYS A 589 SHEET 1 AA8 4 ILE A 619 VAL A 622 0 SHEET 2 AA8 4 GLY A 655 TYR A 661 1 O VAL A 658 N ILE A 620 SHEET 3 AA8 4 ILE A 675 ARG A 681 -1 O ARG A 681 N GLY A 655 SHEET 4 AA8 4 ILE A 686 THR A 688 -1 O ARG A 687 N TRP A 680 CISPEP 1 ALA A 186 PRO A 187 0 6.73 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 6425 6426 CONECT 6426 6425 6427 6430 CONECT 6427 6426 6428 6429 CONECT 6428 6427 CONECT 6429 6427 CONECT 6430 6426 6431 CONECT 6431 6430 6432 CONECT 6432 6431 6433 6434 CONECT 6433 6432 CONECT 6434 6432 6435 CONECT 6435 6434 6436 6437 CONECT 6436 6435 6441 CONECT 6437 6435 6438 6439 CONECT 6438 6437 CONECT 6439 6437 6440 6441 CONECT 6440 6439 CONECT 6441 6436 6439 6442 CONECT 6442 6441 6443 6451 CONECT 6443 6442 6444 CONECT 6444 6443 6445 CONECT 6445 6444 6446 6451 CONECT 6446 6445 6447 6448 CONECT 6447 6446 CONECT 6448 6446 6449 CONECT 6449 6448 6450 CONECT 6450 6449 6451 CONECT 6451 6442 6445 6450 MASTER 314 0 1 31 31 0 0 6 6449 2 27 67 END