HEADER SIGNALING PROTEIN 13-JUN-23 8T5G TITLE SOS2 CO-CRYSTAL STRUCTURE WITH FRAGMENT BOUND (COMPOUND 12) COMPND MOL_ID: 1; COMPND 2 MOLECULE: SON OF SEVENLESS HOMOLOG 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SOS-2; COMPND 5 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: SOS2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR R.J.GUNN,J.D.LAWSON,A.IVETAC,T.ULAGANATHAN,R.COULOMBE,J.FETHIERE REVDAT 2 24-JAN-24 8T5G 1 JRNL REVDAT 1 10-JAN-24 8T5G 0 JRNL AUTH C.R.SMITH,D.CHEN,J.G.CHRISTENSEN,R.COULOMBE,J.FETHIERE, JRNL AUTH 2 R.J.GUNN,J.HOLLANDER,B.JONES,J.M.KETCHAM,S.KHARE,J.KUEHLER, JRNL AUTH 3 J.D.LAWSON,M.A.MARX,P.OLSON,K.E.PEARSON,C.REN,D.TSAGRIS, JRNL AUTH 4 T.ULAGANATHAN,I.VAN'T VEER,X.WANG,A.IVETAC JRNL TITL DISCOVERY OF FIVE SOS2 FRAGMENT HITS WITH BINDING MODES JRNL TITL 2 DETERMINED BY SOS2 X-RAY COCRYSTALLOGRAPHY. JRNL REF J.MED.CHEM. V. 67 774 2024 JRNL REFN ISSN 0022-2623 JRNL PMID 38156904 JRNL DOI 10.1021/ACS.JMEDCHEM.3C02140 REMARK 2 REMARK 2 RESOLUTION. 1.92 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0258 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.92 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.90 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 3 NUMBER OF REFLECTIONS : 38129 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.200 REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 1919 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.92 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.97 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2682 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.01 REMARK 3 BIN R VALUE (WORKING SET) : 0.3500 REMARK 3 BIN FREE R VALUE SET COUNT : 129 REMARK 3 BIN FREE R VALUE : 0.3500 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3838 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 39 REMARK 3 SOLVENT ATOMS : 202 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.15 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.98000 REMARK 3 B22 (A**2) : 0.37000 REMARK 3 B33 (A**2) : -1.17000 REMARK 3 B12 (A**2) : -0.11000 REMARK 3 B13 (A**2) : 0.12000 REMARK 3 B23 (A**2) : -1.21000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.170 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.155 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.147 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.550 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.960 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.942 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3984 ; 0.008 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 3755 ; 0.001 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5392 ; 1.462 ; 1.654 REMARK 3 BOND ANGLES OTHERS (DEGREES): 8727 ; 1.292 ; 1.573 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 464 ; 6.400 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 235 ;32.139 ;21.532 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 733 ;17.608 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 35 ;17.997 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 507 ; 0.072 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 4345 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 865 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1847 ; 3.082 ; 3.881 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1846 ; 3.083 ; 3.878 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2305 ; 4.338 ; 5.797 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 2306 ; 4.337 ; 5.800 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 2137 ; 3.866 ; 4.350 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 2138 ; 3.865 ; 4.351 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 3085 ; 5.876 ; 6.341 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 4624 ; 8.661 ;46.113 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 4625 ; 8.660 ;46.112 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 8T5G COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-JUN-23. REMARK 100 THE DEPOSITION ID IS D_1000275086. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-MAR-22 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CLSI REMARK 200 BEAMLINE : 08ID-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0332 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 40046 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.920 REMARK 200 RESOLUTION RANGE LOW (A) : 43.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.4300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.92 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 6EIE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.01 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.56 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10% PEG 3350, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 281.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL 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: A 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 GLY A 558 REMARK 465 ALA A 559 REMARK 465 MET A 560 REMARK 465 ALA A 561 REMARK 465 GLU A 562 REMARK 465 GLN A 563 REMARK 465 GLN A 564 REMARK 465 ASP A 657 REMARK 465 LYS A 658 REMARK 465 LEU A 659 REMARK 465 ALA A 660 REMARK 465 ILE A 661 REMARK 465 GLU A 662 REMARK 465 LYS A 663 REMARK 465 GLY A 664 REMARK 465 GLU A 665 REMARK 465 GLN A 666 REMARK 465 PRO A 667 REMARK 465 ILE A 668 REMARK 465 SER A 669 REMARK 465 ALA A 670 REMARK 465 GLY A 745 REMARK 465 VAL A 746 REMARK 465 SER A 747 REMARK 465 HIS A 748 REMARK 465 ASN A 749 REMARK 465 HIS A 1045 REMARK 465 GLY A 1046 REMARK 465 SER A 1047 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 O HOH A 1206 O HOH A 1378 1.63 REMARK 500 O ASP A 588 O HOH A 1201 2.13 REMARK 500 OD1 ASP A 773 O HOH A 1202 2.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 1216 O HOH A 1378 1565 2.01 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 ARG A 566 100.43 74.61 REMARK 500 PHE A 632 -4.73 -142.83 REMARK 500 THR A 654 -32.26 79.21 REMARK 500 HIS A 698 42.32 -140.03 REMARK 500 ALA A 743 55.23 -65.58 REMARK 500 HIS A 762 -98.54 -124.17 REMARK 500 HIS A 768 49.97 -91.64 REMARK 500 ASP A 811 39.90 -96.25 REMARK 500 ASN A1041 -71.86 -83.52 REMARK 500 REMARK 500 REMARK: NULL DBREF 8T5G A 562 1047 UNP Q07890 SOS2_HUMAN 562 1047 SEQADV 8T5G GLY A 558 UNP Q07890 EXPRESSION TAG SEQADV 8T5G ALA A 559 UNP Q07890 EXPRESSION TAG SEQADV 8T5G MET A 560 UNP Q07890 EXPRESSION TAG SEQADV 8T5G ALA A 561 UNP Q07890 EXPRESSION TAG SEQADV 8T5G GLN A 564 UNP Q07890 PRO 564 CONFLICT SEQADV 8T5G TYR A 707 UNP Q07890 GLU 707 CONFLICT SEQADV 8T5G HIS A 768 UNP Q07890 GLN 768 CONFLICT SEQADV 8T5G ILE A 769 UNP Q07890 PHE 769 CONFLICT SEQADV 8T5G THR A 947 UNP Q07890 LYS 947 CONFLICT SEQADV 8T5G ARG A 948 UNP Q07890 LYS 948 CONFLICT SEQADV 8T5G HIS A 949 UNP Q07890 LYS 949 CONFLICT SEQADV 8T5G PRO A 1019 UNP Q07890 CYS 1019 CONFLICT SEQRES 1 A 490 GLY ALA MET ALA GLU GLN GLN LEU ARG LEU PRO SER PRO SEQRES 2 A 490 GLU VAL TYR ARG PHE VAL VAL LYS ASP SER GLU GLU ASN SEQRES 3 A 490 ILE VAL PHE GLU ASP ASN LEU GLN SER ARG SER GLY ILE SEQRES 4 A 490 PRO ILE ILE LYS GLY GLY THR VAL VAL LYS LEU ILE GLU SEQRES 5 A 490 ARG LEU THR TYR HIS MET TYR ALA ASP PRO ASN PHE VAL SEQRES 6 A 490 ARG THR PHE LEU THR THR TYR ARG SER PHE CYS LYS PRO SEQRES 7 A 490 GLN GLU LEU LEU SER LEU LEU ILE GLU ARG PHE GLU ILE SEQRES 8 A 490 PRO GLU PRO GLU PRO THR ASP ALA ASP LYS LEU ALA ILE SEQRES 9 A 490 GLU LYS GLY GLU GLN PRO ILE SER ALA ASP LEU LYS ARG SEQRES 10 A 490 PHE ARG LYS GLU TYR VAL GLN PRO VAL GLN LEU ARG ILE SEQRES 11 A 490 LEU ASN VAL PHE ARG HIS TRP VAL GLU HIS HIS PHE TYR SEQRES 12 A 490 ASP PHE GLU ARG ASP LEU TYR LEU LEU GLU ARG LEU GLU SEQRES 13 A 490 SER PHE ILE SER SER VAL ARG GLY LYS ALA MET LYS LYS SEQRES 14 A 490 TRP VAL GLU SER ILE ALA LYS ILE ILE ARG ARG LYS LYS SEQRES 15 A 490 GLN ALA GLN ALA ASN GLY VAL SER HIS ASN ILE THR PHE SEQRES 16 A 490 GLU SER PRO PRO PRO PRO ILE GLU TRP HIS ILE SER LYS SEQRES 17 A 490 PRO GLY HIS ILE GLU THR PHE ASP LEU MET THR LEU HIS SEQRES 18 A 490 PRO ILE GLU ILE ALA ARG GLN LEU THR LEU LEU GLU SER SEQRES 19 A 490 ASP LEU TYR ARG LYS VAL GLN PRO SER GLU LEU VAL GLY SEQRES 20 A 490 SER VAL TRP THR LYS GLU ASP LYS GLU ILE ASN SER PRO SEQRES 21 A 490 ASN LEU LEU LYS MET ILE ARG HIS THR THR ASN LEU THR SEQRES 22 A 490 LEU TRP PHE GLU LYS CYS ILE VAL GLU ALA GLU ASN PHE SEQRES 23 A 490 GLU GLU ARG VAL ALA VAL LEU SER ARG ILE ILE GLU ILE SEQRES 24 A 490 LEU GLN VAL PHE GLN ASP LEU ASN ASN PHE ASN GLY VAL SEQRES 25 A 490 LEU GLU ILE VAL SER ALA VAL ASN SER VAL SER VAL TYR SEQRES 26 A 490 ARG LEU ASP HIS THR PHE GLU ALA LEU GLN GLU ARG LYS SEQRES 27 A 490 ARG LYS ILE LEU ASP GLU ALA VAL GLU LEU SER GLN ASP SEQRES 28 A 490 HIS PHE LYS LYS TYR LEU VAL LYS LEU LYS SER ILE ASN SEQRES 29 A 490 PRO PRO CYS VAL PRO PHE PHE GLY ILE TYR LEU THR ASN SEQRES 30 A 490 ILE LEU LYS THR GLU GLU GLY ASN ASN ASP PHE LEU THR SEQRES 31 A 490 ARG HIS GLY LYS ASP LEU ILE ASN PHE SER LYS ARG ARG SEQRES 32 A 490 LYS VAL ALA GLU ILE THR GLY GLU ILE GLN GLN TYR GLN SEQRES 33 A 490 ASN GLN PRO TYR CYS LEU ARG ILE GLU PRO ASP MET ARG SEQRES 34 A 490 ARG PHE PHE GLU ASN LEU ASN PRO MET GLY SER ALA SER SEQRES 35 A 490 GLU LYS GLU PHE THR ASP TYR LEU PHE ASN LYS SER LEU SEQRES 36 A 490 GLU ILE GLU PRO ARG ASN PRO LYS GLN PRO PRO ARG PHE SEQRES 37 A 490 PRO ARG LYS SER THR PHE SER LEU LYS SER PRO GLY ILE SEQRES 38 A 490 ARG PRO ASN THR GLY ARG HIS GLY SER HET DMS A1101 4 HET SO4 A1102 5 HET SO4 A1103 5 HET SO4 A1104 5 HET SO4 A1105 5 HET THA A1106 15 HETNAM DMS DIMETHYL SULFOXIDE HETNAM SO4 SULFATE ION HETNAM THA TACRINE FORMUL 2 DMS C2 H6 O S FORMUL 3 SO4 4(O4 S 2-) FORMUL 7 THA C13 H14 N2 FORMUL 8 HOH *202(H2 O) HELIX 1 AA1 SER A 569 VAL A 577 5 9 HELIX 2 AA2 THR A 603 THR A 612 1 10 HELIX 3 AA3 ASP A 618 TYR A 629 1 12 HELIX 4 AA4 ARG A 630 PHE A 632 5 3 HELIX 5 AA5 LYS A 634 GLU A 647 1 14 HELIX 6 AA6 LEU A 672 TYR A 679 1 8 HELIX 7 AA7 TYR A 679 HIS A 698 1 20 HELIX 8 AA8 PHE A 699 ARG A 704 1 6 HELIX 9 AA9 ASP A 705 VAL A 719 1 15 HELIX 10 AB1 GLY A 721 ALA A 723 5 3 HELIX 11 AB2 MET A 724 ALA A 741 1 18 HELIX 12 AB3 HIS A 768 PHE A 772 5 5 HELIX 13 AB4 HIS A 778 LYS A 796 1 19 HELIX 14 AB5 VAL A 797 LYS A 809 5 13 HELIX 15 AB6 ASP A 811 SER A 816 1 6 HELIX 16 AB7 SER A 816 GLU A 839 1 24 HELIX 17 AB8 ASN A 842 LEU A 863 1 22 HELIX 18 AB9 ASN A 865 ASN A 877 1 13 HELIX 19 AC1 SER A 878 ARG A 883 1 6 HELIX 20 AC2 LEU A 884 ALA A 890 1 7 HELIX 21 AC3 GLN A 892 SER A 906 1 15 HELIX 22 AC4 SER A 906 ILE A 920 1 15 HELIX 23 AC5 PHE A 928 ASN A 942 1 15 HELIX 24 AC6 PHE A 956 GLN A 970 1 15 HELIX 25 AC7 GLN A 971 GLN A 973 5 3 HELIX 26 AC8 GLU A 982 ASN A 991 1 10 HELIX 27 AC9 SER A 999 GLU A 1015 1 17 SHEET 1 AA1 4 ILE A 584 PHE A 586 0 SHEET 2 AA1 4 ILE A 599 GLY A 602 -1 O LYS A 600 N VAL A 585 SHEET 3 AA1 4 LEU A 953 ASN A 955 -1 O ILE A 954 N GLY A 602 SHEET 4 AA1 4 PHE A 945 THR A 947 -1 N THR A 947 O LEU A 953 CISPEP 1 PRO A 922 PRO A 923 0 6.08 CRYST1 46.576 52.339 60.932 84.84 75.48 75.95 P 1 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 0.021470 -0.005372 -0.005395 0.00000 SCALE2 0.000000 0.019695 -0.000609 0.00000 SCALE3 0.000000 0.000000 0.016961 0.00000