HEADER RNA BINDING PROTEIN/RNA 28-FEB-25 9M31 TITLE CASRX-CRRNA BINARY COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: CASRX; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: RNA (51-MER); COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RUMINOCOCCUS SP. XPD3002; SOURCE 3 ORGANISM_TAXID: 1452269; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: RUMINOCOCCUS SP. XPD3002; SOURCE 8 ORGANISM_TAXID: 1452269; SOURCE 9 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CAS13D PROTEIN COMPLEX, RNA BINDING PROTEIN/RNA, RNA BINDING PROTEIN- KEYWDS 2 RNA COMPLEX EXPDTA ELECTRON MICROSCOPY AUTHOR X.Y.CHEN,H.D.HUANG REVDAT 2 22-OCT-25 9M31 1 JRNL REVDAT 1 17-SEP-25 9M31 0 JRNL AUTH X.CHEN,Y.HE,M.GUO,S.LIU,Y.LI,F.ZENG,C.WANG,K.YUAN,H.HUANG JRNL TITL MECHANISTIC INSIGHTS INTO CAS13D ENZYMES FROM CRYO-EM JRNL TITL 2 STRUCTURES OF CASRX AND DJCAS13D. JRNL REF NUCLEIC ACIDS RES. V. 53 2025 JRNL REFN ESSN 1362-4962 JRNL PMID 41036620 JRNL DOI 10.1093/NAR/GKAF986 REMARK 2 REMARK 2 RESOLUTION. 2.86 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : PHENIX 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) : 2.860 REMARK 3 NUMBER OF PARTICLES : 194460 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 9M31 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 04-MAR-25. REMARK 100 THE DEPOSITION ID IS D_1300057064. 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 : BINARY COMPLEX OF CASRX WITH REMARK 245 CRRNA 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 : 7.50 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) : 1500.00 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 : NULL REMARK 245 IMAGING MODE : DARK FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5000.00 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA 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 1 REMARK 465 ILE A 2 REMARK 465 GLU A 3 REMARK 465 LYS A 4 REMARK 465 ASN A 246 REMARK 465 GLU A 247 REMARK 465 GLU A 248 REMARK 465 GLU A 249 REMARK 465 LYS A 637 REMARK 465 GLN A 638 REMARK 465 GLY A 639 REMARK 465 ASP A 957 REMARK 465 LYS A 958 REMARK 465 GLU A 959 REMARK 465 LYS A 960 REMARK 465 LYS A 961 REMARK 465 LYS A 962 REMARK 465 VAL A 963 REMARK 465 SER A 964 REMARK 465 GLY A 965 REMARK 465 ASN A 966 REMARK 465 SER A 967 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 583 CG CD CE NZ REMARK 470 GLU A 769 CG CD OE1 OE2 REMARK 470 LYS A 774 CG CD CE NZ REMARK 470 LYS A 776 CG CD CE NZ REMARK 470 LYS A 780 CG CD CE NZ 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 O2' U B 12 OP2 A B 14 2.17 REMARK 500 REMARK 500 REMARK: NULL 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 GLU A 31 117.08 -164.15 REMARK 500 ASN A 115 51.63 -93.84 REMARK 500 ASP A 151 -1.18 66.17 REMARK 500 THR A 162 26.41 46.29 REMARK 500 PHE A 309 14.88 -140.80 REMARK 500 ASP A 387 4.18 -67.72 REMARK 500 LYS A 440 50.90 -91.86 REMARK 500 ALA A 542 -131.04 58.69 REMARK 500 ASP A 633 36.49 -98.76 REMARK 500 SER A 792 58.63 -93.99 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-63595 RELATED DB: EMDB REMARK 900 CASRX-CRRNA BINARY COMPLEX DBREF 9M31 A 1 967 PDB 9M31 9M31 1 967 DBREF 9M31 B -30 21 PDB 9M31 9M31 -30 21 SEQRES 1 A 967 MET ILE GLU LYS LYS LYS SER PHE ALA LYS GLY MET GLY SEQRES 2 A 967 VAL LYS SER THR LEU VAL SER GLY SER LYS VAL TYR MET SEQRES 3 A 967 THR THR PHE ALA GLU GLY SER ASP ALA ARG LEU GLU LYS SEQRES 4 A 967 ILE VAL GLU GLY ASP SER ILE ARG SER VAL ASN GLU GLY SEQRES 5 A 967 GLU ALA PHE SER ALA GLU MET ALA ASP LYS ASN ALA GLY SEQRES 6 A 967 TYR LYS ILE GLY ASN ALA LYS PHE SER HIS PRO LYS GLY SEQRES 7 A 967 TYR ALA VAL VAL ALA ASN ASN PRO LEU TYR THR GLY PRO SEQRES 8 A 967 VAL GLN GLN ASP MET LEU GLY LEU LYS GLU THR LEU GLU SEQRES 9 A 967 LYS ARG TYR PHE GLY GLU SER ALA ASP GLY ASN ASP ASN SEQRES 10 A 967 ILE CYS ILE GLN VAL ILE HIS ASN ILE LEU ASP ILE GLU SEQRES 11 A 967 LYS ILE LEU ALA GLU TYR ILE THR ASN ALA ALA TYR ALA SEQRES 12 A 967 VAL ASN ASN ILE SER GLY LEU ASP LYS ASP ILE ILE GLY SEQRES 13 A 967 PHE GLY LYS PHE SER THR VAL TYR THR TYR ASP GLU PHE SEQRES 14 A 967 LYS ASP PRO GLU HIS HIS ARG ALA ALA PHE ASN ASN ASN SEQRES 15 A 967 ASP LYS LEU ILE ASN ALA ILE LYS ALA GLN TYR ASP GLU SEQRES 16 A 967 PHE ASP ASN PHE LEU ASP ASN PRO ARG LEU GLY TYR PHE SEQRES 17 A 967 GLY GLN ALA PHE PHE SER LYS GLU GLY ARG ASN TYR ILE SEQRES 18 A 967 ILE ASN TYR GLY ASN GLU CYS TYR ASP ILE LEU ALA LEU SEQRES 19 A 967 LEU SER GLY LEU ALA HIS TRP VAL VAL ALA ASN ASN GLU SEQRES 20 A 967 GLU GLU SER ARG ILE SER ARG THR TRP LEU TYR ASN LEU SEQRES 21 A 967 ASP LYS ASN LEU ASP ASN GLU TYR ILE SER THR LEU ASN SEQRES 22 A 967 TYR LEU TYR ASP ARG ILE THR ASN GLU LEU THR ASN SER SEQRES 23 A 967 PHE SER LYS ASN SER ALA ALA ASN VAL ASN TYR ILE ALA SEQRES 24 A 967 GLU THR LEU GLY ILE ASN PRO ALA GLU PHE ALA GLU GLN SEQRES 25 A 967 TYR PHE ARG PHE SER ILE MET LYS GLU GLN LYS ASN LEU SEQRES 26 A 967 GLY PHE ASN ILE THR LYS LEU ARG GLU VAL MET LEU ASP SEQRES 27 A 967 ARG LYS ASP MET SER GLU ILE ARG LYS ASN HIS LYS VAL SEQRES 28 A 967 PHE ASP SER ILE ARG THR LYS VAL TYR THR MET MET ASP SEQRES 29 A 967 PHE VAL ILE TYR ARG TYR TYR ILE GLU GLU ASP ALA LYS SEQRES 30 A 967 VAL ALA ALA ALA ASN LYS SER LEU PRO ASP ASN GLU LYS SEQRES 31 A 967 SER LEU SER GLU LYS ASP ILE PHE VAL ILE ASN LEU ARG SEQRES 32 A 967 GLY SER PHE ASN ASP ASP GLN LYS ASP ALA LEU TYR TYR SEQRES 33 A 967 ASP GLU ALA ASN ARG ILE TRP ARG LYS LEU GLU ASN ILE SEQRES 34 A 967 MET HIS ASN ILE LYS GLU PHE ARG GLY ASN LYS THR ARG SEQRES 35 A 967 GLU TYR LYS LYS LYS ASP ALA PRO ARG LEU PRO ARG ILE SEQRES 36 A 967 LEU PRO ALA GLY ARG ASP VAL SER ALA PHE SER LYS LEU SEQRES 37 A 967 MET TYR ALA LEU THR MET PHE LEU ASP GLY LYS GLU ILE SEQRES 38 A 967 ASN ASP LEU LEU THR THR LEU ILE ASN LYS PHE ASP ASN SEQRES 39 A 967 ILE GLN SER PHE LEU LYS VAL MET PRO LEU ILE GLY VAL SEQRES 40 A 967 ASN ALA LYS PHE VAL GLU GLU TYR ALA PHE PHE LYS ASP SEQRES 41 A 967 SER ALA LYS ILE ALA ASP GLU LEU ARG LEU ILE LYS SER SEQRES 42 A 967 PHE ALA ARG MET GLY GLU PRO ILE ALA ASP ALA ARG ARG SEQRES 43 A 967 ALA MET TYR ILE ASP ALA ILE ARG ILE LEU GLY THR ASN SEQRES 44 A 967 LEU SER TYR ASP GLU LEU LYS ALA LEU ALA ASP THR PHE SEQRES 45 A 967 SER LEU ASP GLU ASN GLY ASN LYS LEU LYS LYS GLY LYS SEQRES 46 A 967 HIS GLY MET ARG ASN PHE ILE ILE ASN ASN VAL ILE SER SEQRES 47 A 967 ASN LYS ARG PHE HIS TYR LEU ILE ARG TYR GLY ASP PRO SEQRES 48 A 967 ALA HIS LEU HIS GLU ILE ALA LYS ASN GLU ALA VAL VAL SEQRES 49 A 967 LYS PHE VAL LEU GLY ARG ILE ALA ASP ILE GLN LYS LYS SEQRES 50 A 967 GLN GLY GLN ASN GLY LYS ASN GLN ILE ASP ARG TYR TYR SEQRES 51 A 967 GLU THR CYS ILE GLY LYS ASP LYS GLY LYS SER VAL SER SEQRES 52 A 967 GLU LYS VAL ASP ALA LEU THR LYS ILE ILE THR GLY MET SEQRES 53 A 967 ASN TYR ASP GLN PHE ASP LYS LYS ARG SER VAL ILE GLU SEQRES 54 A 967 ASP THR GLY ARG GLU ASN ALA GLU ARG GLU LYS PHE LYS SEQRES 55 A 967 LYS ILE ILE SER LEU TYR LEU THR VAL ILE TYR HIS ILE SEQRES 56 A 967 LEU LYS ASN ILE VAL ASN ILE ASN ALA ARG TYR VAL ILE SEQRES 57 A 967 GLY PHE HIS CYS VAL GLU ARG ASP ALA GLN LEU TYR LYS SEQRES 58 A 967 GLU LYS GLY TYR ASP ILE ASN LEU LYS LYS LEU GLU GLU SEQRES 59 A 967 LYS GLY PHE SER SER VAL THR LYS LEU CYS ALA GLY ILE SEQRES 60 A 967 ASP GLU THR ALA PRO ASP LYS ARG LYS ASP VAL GLU LYS SEQRES 61 A 967 GLU MET ALA GLU ARG ALA LYS GLU SER ILE ASP SER LEU SEQRES 62 A 967 GLU SER ALA ASN PRO LYS LEU TYR ALA ASN TYR ILE LYS SEQRES 63 A 967 TYR SER ASP GLU LYS LYS ALA GLU GLU PHE THR ARG GLN SEQRES 64 A 967 ILE ASN ARG GLU LYS ALA LYS THR ALA LEU ASN ALA TYR SEQRES 65 A 967 LEU ARG ASN THR LYS TRP ASN VAL ILE ILE ARG GLU ASP SEQRES 66 A 967 LEU LEU ARG ILE ASP ASN LYS THR CYS THR LEU PHE ALA SEQRES 67 A 967 ASN LYS ALA VAL ALA LEU GLU VAL ALA ARG TYR VAL HIS SEQRES 68 A 967 ALA TYR ILE ASN ASP ILE ALA GLU VAL ASN SER TYR PHE SEQRES 69 A 967 GLN LEU TYR HIS TYR ILE MET GLN ARG ILE ILE MET ASN SEQRES 70 A 967 GLU ARG TYR GLU LYS SER SER GLY LYS VAL SER GLU TYR SEQRES 71 A 967 PHE ASP ALA VAL ASN ASP GLU LYS LYS TYR ASN ASP ARG SEQRES 72 A 967 LEU LEU LYS LEU LEU CYS VAL PRO PHE GLY TYR CYS ILE SEQRES 73 A 967 PRO ARG PHE LYS ASN LEU SER ILE GLU ALA LEU PHE ASP SEQRES 74 A 967 ARG ASN GLU ALA ALA LYS PHE ASP LYS GLU LYS LYS LYS SEQRES 75 A 967 VAL SER GLY ASN SER SEQRES 1 B 51 A A C C C C U A C C A A C SEQRES 2 B 51 U G G U C G G G G U U U G SEQRES 3 B 51 A A A C G C C A A C G A A SEQRES 4 B 51 C A U C A U G A C A G C HET MG B 101 1 HETNAM MG MAGNESIUM ION FORMUL 3 MG MG 2+ HELIX 1 AA1 SER A 7 GLY A 13 1 7 HELIX 2 AA2 ASP A 61 ASN A 63 5 3 HELIX 3 AA3 LEU A 99 GLY A 109 1 11 HELIX 4 AA4 ILE A 118 GLY A 149 1 32 HELIX 5 AA5 THR A 165 ASP A 171 1 7 HELIX 6 AA6 PRO A 172 ASN A 180 5 9 HELIX 7 AA7 ASN A 182 ASP A 201 1 20 HELIX 8 AA8 ASN A 202 TYR A 207 5 6 HELIX 9 AA9 PHE A 208 PHE A 212 1 5 HELIX 10 AB1 TYR A 224 VAL A 243 1 20 HELIX 11 AB2 ASP A 265 SER A 286 1 22 HELIX 12 AB3 SER A 286 SER A 291 1 6 HELIX 13 AB4 SER A 291 GLY A 303 1 13 HELIX 14 AB5 ASN A 305 GLU A 308 5 4 HELIX 15 AB6 PHE A 309 ILE A 318 1 10 HELIX 16 AB7 ASN A 328 ASP A 338 1 11 HELIX 17 AB8 SER A 343 ASN A 348 1 6 HELIX 18 AB9 ASN A 348 ASP A 353 1 6 HELIX 19 AC1 ILE A 355 ASN A 382 1 28 HELIX 20 AC2 SER A 393 GLY A 404 1 12 HELIX 21 AC3 ASN A 407 ARG A 424 1 18 HELIX 22 AC4 LEU A 426 LYS A 434 1 9 HELIX 23 AC5 GLY A 438 LYS A 446 5 9 HELIX 24 AC6 SER A 463 MET A 474 1 12 HELIX 25 AC7 ASP A 477 ILE A 505 1 29 HELIX 26 AC8 VAL A 512 LYS A 519 5 8 HELIX 27 AC9 ASP A 520 ALA A 535 1 16 HELIX 28 AD1 ARG A 545 LEU A 556 1 12 HELIX 29 AD2 SER A 561 SER A 573 1 13 HELIX 30 AD3 GLY A 587 VAL A 596 1 10 HELIX 31 AD4 ASN A 599 TYR A 608 1 10 HELIX 32 AD5 ASP A 610 LYS A 619 1 10 HELIX 33 AD6 GLU A 621 ASP A 633 1 13 HELIX 34 AD7 ASN A 641 ILE A 654 1 14 HELIX 35 AD8 SER A 661 GLY A 675 1 15 HELIX 36 AD9 TYR A 678 LYS A 683 1 6 HELIX 37 AE1 LYS A 684 GLU A 689 1 6 HELIX 38 AE2 ASN A 695 GLY A 744 1 50 HELIX 39 AE3 SER A 758 GLY A 766 1 9 HELIX 40 AE4 LYS A 774 SER A 792 1 19 HELIX 41 AE5 ASN A 797 ILE A 805 1 9 HELIX 42 AE6 SER A 808 LYS A 826 1 19 HELIX 43 AE7 ASN A 835 ARG A 848 1 14 HELIX 44 AE8 ASP A 850 LEU A 864 1 15 HELIX 45 AE9 TYR A 869 ILE A 874 1 6 HELIX 46 AF1 SER A 882 ARG A 899 1 18 HELIX 47 AF2 GLY A 905 LYS A 918 1 14 HELIX 48 AF3 ASN A 921 CYS A 929 1 9 HELIX 49 AF4 VAL A 930 GLY A 933 5 4 HELIX 50 AF5 CYS A 935 LEU A 942 1 8 HELIX 51 AF6 ILE A 944 PHE A 948 5 5 SHEET 1 AA1 4 VAL A 14 SER A 20 0 SHEET 2 AA1 4 LYS A 23 PHE A 29 -1 O TYR A 25 N LEU A 18 SHEET 3 AA1 4 ALA A 35 GLU A 42 -1 O ARG A 36 N THR A 28 SHEET 4 AA1 4 SER A 45 SER A 48 -1 O ARG A 47 N ILE A 40 SHEET 1 AA2 3 SER A 56 MET A 59 0 SHEET 2 AA2 3 GLY A 65 GLY A 69 -1 O GLY A 69 N SER A 56 SHEET 3 AA2 3 VAL A 82 ASN A 84 -1 O ALA A 83 N TYR A 66 SHEET 1 AA3 2 PHE A 213 LYS A 215 0 SHEET 2 AA3 2 TYR A 220 ILE A 222 -1 O ILE A 221 N SER A 214 LINK OP1 U B -7 MG MG B 101 1555 1555 2.06 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 TER 7662 PHE A 956 TER 8745 C B 21 HETATM 8746 MG MG B 101 167.538 175.430 161.097 1.00 37.18 MG CONECT 8149 8746 CONECT 8746 8149 MASTER 176 0 1 51 9 0 0 6 8744 2 2 79 END