PDB Short entry for 3IGB HEADER HYDROLASE 27-JUL-09 3IGB TITLE BACE-1 WITH COMPOUND 3 COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-SECRETASE 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: BACE-1 CATALYTIC DOMAIN; COMPND 5 SYNONYM: BETA-SITE AMYLOID PRECURSOR PROTEIN CLEAVING ENZYME 1, BETA- COMPND 6 SITE APP CLEAVING ENZYME 1, MEMBRANE-ASSOCIATED ASPARTIC PROTEASE 2, COMPND 7 MEMAPSIN-2, ASPARTYL PROTEASE 2, ASP 2, ASP2; COMPND 8 EC: 3.4.23.46; COMPND 9 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: BACE1, BACE, KIAA1149; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS BACE-1, AMINO-IMIDAZOLES, INHIBITORS, ALTERNATIVE SPLICING, ASPARTYL KEYWDS 2 PROTEASE, DISULFIDE BOND, GLYCOPROTEIN, HYDROLASE, MEMBRANE, KEYWDS 3 POLYMORPHISM, PROTEASE, TRANSMEMBRANE, ZYMOGEN EXPDTA X-RAY DIFFRACTION AUTHOR A.M.OLLAND REVDAT 2 06-SEP-23 3IGB 1 REMARK SEQADV REVDAT 1 03-NOV-09 3IGB 0 JRNL AUTH M.S.MALAMAS,J.ERDEI,I.GUNAWAN,K.BARNES,M.JOHNSON,Y.HUI, JRNL AUTH 2 J.TURNER,Y.HU,E.WAGNER,K.FAN,A.OLLAND,J.BARD,A.J.ROBICHAUD JRNL TITL AMINOIMIDAZOLES AS POTENT AND SELECTIVE HUMAN BETA-SECRETASE JRNL TITL 2 (BACE1) INHIBITORS JRNL REF J.MED.CHEM. V. 52 6314 2009 JRNL REFN ISSN 0022-2623 JRNL PMID 19757823 JRNL DOI 10.1021/JM9006752 REMARK 2 REMARK 2 RESOLUTION. 2.24 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.24 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.92 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.070 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.9 REMARK 3 NUMBER OF REFLECTIONS : 16947 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.196 REMARK 3 R VALUE (WORKING SET) : 0.193 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.740 REMARK 3 FREE R VALUE TEST SET COUNT : 804 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 19.9184 - 4.0577 1.00 2854 156 0.1756 0.2185 REMARK 3 2 4.0577 - 3.2252 1.00 2851 132 0.1723 0.2249 REMARK 3 3 3.2252 - 2.8188 0.99 2778 133 0.2124 0.2460 REMARK 3 4 2.8188 - 2.5616 0.98 2773 143 0.2149 0.3008 REMARK 3 5 2.5616 - 2.3783 0.97 2730 152 0.2028 0.2708 REMARK 3 6 2.3783 - 2.2383 0.76 2157 88 0.1953 0.2392 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.36 REMARK 3 B_SOL : 25.57 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.320 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.006 2966 REMARK 3 ANGLE : 1.076 4027 REMARK 3 CHIRALITY : 0.069 440 REMARK 3 PLANARITY : 0.005 514 REMARK 3 DIHEDRAL : 16.650 1035 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3IGB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-JUL-09. REMARK 100 THE DEPOSITION ID IS D_1000054374. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-NOV-01 REMARK 200 TEMPERATURE (KELVIN) : 93.0 REMARK 200 PH : 5.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16947 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.238 REMARK 200 RESOLUTION RANGE LOW (A) : 19.920 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL 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 <I/SIGMA(I)> 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: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1W50 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.36 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M NAACETATE PH 5.4 8% PEG 3350, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,Y+1/2,-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 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 36.56850 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 52.16500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 36.56850 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 52.16500 REMARK 290 SMTRY3 4 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 GLU A 47 REMARK 465 THR A 48 REMARK 465 ASP A 49 REMARK 465 GLU A 50 REMARK 465 GLU A 51 REMARK 465 PRO A 52 REMARK 465 GLU A 53 REMARK 465 GLU A 54 REMARK 465 PRO A 55 REMARK 465 GLY A 56 REMARK 465 ARG A 57 REMARK 465 ARG A 58 REMARK 465 GLY A 59 REMARK 465 THR A 134 REMARK 465 GLN A 135 REMARK 465 GLY A 136 REMARK 465 PHE A 221 REMARK 465 PRO A 222 REMARK 465 LEU A 223 REMARK 465 ASN A 224 REMARK 465 GLN A 225 REMARK 465 SER A 226 REMARK 465 GLU A 372 REMARK 465 ASP A 373 REMARK 465 VAL A 374 REMARK 465 ALA A 375 REMARK 465 THR A 376 REMARK 465 SER A 377 REMARK 465 GLN A 378 REMARK 465 ASP A 379 REMARK 465 ASP A 440 REMARK 465 MET A 441 REMARK 465 ILE A 448 REMARK 465 PRO A 449 REMARK 465 GLN A 450 REMARK 465 THR A 451 REMARK 465 ASP A 452 REMARK 465 GLU A 453 REMARK 465 SER A 454 REMARK 465 THR A 455 REMARK 465 HIS A 456 REMARK 465 HIS A 457 REMARK 465 HIS A 458 REMARK 465 HIS A 459 REMARK 465 HIS A 460 REMARK 465 HIS A 461 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 SER A 60 OG REMARK 470 TYR A 130 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLU A 227 CG CD OE1 OE2 REMARK 470 LYS A 318 CG CD CE NZ REMARK 470 LEU A 329 CG CD1 CD2 REMARK 470 LEU A 439 CG CD1 CD2 REMARK 470 GLU A 442 CG CD OE1 OE2 REMARK 470 TYR A 446 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASN A 447 CG OD1 ND2 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 OE1 GLN A 356 NE2 GLN A 356 2655 2.19 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 LYS A 127 129.25 -170.77 REMARK 500 HIS A 151 45.89 -98.42 REMARK 500 ALA A 184 -166.40 -79.80 REMARK 500 LEU A 211 146.44 -170.18 REMARK 500 ALA A 219 -74.97 -104.98 REMARK 500 TRP A 259 -86.51 -138.62 REMARK 500 THR A 316 74.48 -58.32 REMARK 500 GLU A 317 117.13 135.32 REMARK 500 TRP A 332 -161.17 -122.09 REMARK 500 ALA A 334 75.87 43.12 REMARK 500 THR A 354 -92.61 -8.29 REMARK 500 ASN A 355 32.85 -91.25 REMARK 500 ALA A 385 30.91 -97.51 REMARK 500 THR A 438 -61.57 -129.24 REMARK 500 TYR A 446 -100.08 -95.91 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 454 A 1 DBREF 3IGB A 47 455 UNP P56817 BACE1_HUMAN 46 454 SEQADV 3IGB HIS A 456 UNP P56817 EXPRESSION TAG SEQADV 3IGB HIS A 457 UNP P56817 EXPRESSION TAG SEQADV 3IGB HIS A 458 UNP P56817 EXPRESSION TAG SEQADV 3IGB HIS A 459 UNP P56817 EXPRESSION TAG SEQADV 3IGB HIS A 460 UNP P56817 EXPRESSION TAG SEQADV 3IGB HIS A 461 UNP P56817 EXPRESSION TAG SEQRES 1 A 415 GLU THR ASP GLU GLU PRO GLU GLU PRO GLY ARG ARG GLY SEQRES 2 A 415 SER PHE VAL GLU MET VAL ASP ASN LEU ARG GLY LYS SER SEQRES 3 A 415 GLY GLN GLY TYR TYR VAL GLU MET THR VAL GLY SER PRO SEQRES 4 A 415 PRO GLN THR LEU ASN ILE LEU VAL ASP THR GLY SER SER SEQRES 5 A 415 ASN PHE ALA VAL GLY ALA ALA PRO HIS PRO PHE LEU HIS SEQRES 6 A 415 ARG TYR TYR GLN ARG GLN LEU SER SER THR TYR ARG ASP SEQRES 7 A 415 LEU ARG LYS GLY VAL TYR VAL PRO TYR THR GLN GLY LYS SEQRES 8 A 415 TRP GLU GLY GLU LEU GLY THR ASP LEU VAL SER ILE PRO SEQRES 9 A 415 HIS GLY PRO ASN VAL THR VAL ARG ALA ASN ILE ALA ALA SEQRES 10 A 415 ILE THR GLU SER ASP LYS PHE PHE ILE ASN GLY SER ASN SEQRES 11 A 415 TRP GLU GLY ILE LEU GLY LEU ALA TYR ALA GLU ILE ALA SEQRES 12 A 415 ARG PRO ASP ASP SER LEU GLU PRO PHE PHE ASP SER LEU SEQRES 13 A 415 VAL LYS GLN THR HIS VAL PRO ASN LEU PHE SER LEU GLN SEQRES 14 A 415 LEU CYS GLY ALA GLY PHE PRO LEU ASN GLN SER GLU VAL SEQRES 15 A 415 LEU ALA SER VAL GLY GLY SER MET ILE ILE GLY GLY ILE SEQRES 16 A 415 ASP HIS SER LEU TYR THR GLY SER LEU TRP TYR THR PRO SEQRES 17 A 415 ILE ARG ARG GLU TRP TYR TYR GLU VAL ILE ILE VAL ARG SEQRES 18 A 415 VAL GLU ILE ASN GLY GLN ASP LEU LYS MET ASP CYS LYS SEQRES 19 A 415 GLU TYR ASN TYR ASP LYS SER ILE VAL ASP SER GLY THR SEQRES 20 A 415 THR ASN LEU ARG LEU PRO LYS LYS VAL PHE GLU ALA ALA SEQRES 21 A 415 VAL LYS SER ILE LYS ALA ALA SER SER THR GLU LYS PHE SEQRES 22 A 415 PRO ASP GLY PHE TRP LEU GLY GLU GLN LEU VAL CYS TRP SEQRES 23 A 415 GLN ALA GLY THR THR PRO TRP ASN ILE PHE PRO VAL ILE SEQRES 24 A 415 SER LEU TYR LEU MET GLY GLU VAL THR ASN GLN SER PHE SEQRES 25 A 415 ARG ILE THR ILE LEU PRO GLN GLN TYR LEU ARG PRO VAL SEQRES 26 A 415 GLU ASP VAL ALA THR SER GLN ASP ASP CYS TYR LYS PHE SEQRES 27 A 415 ALA ILE SER GLN SER SER THR GLY THR VAL MET GLY ALA SEQRES 28 A 415 VAL ILE MET GLU GLY PHE TYR VAL VAL PHE ASP ARG ALA SEQRES 29 A 415 ARG LYS ARG ILE GLY PHE ALA VAL SER ALA CYS HIS VAL SEQRES 30 A 415 HIS ASP GLU PHE ARG THR ALA ALA VAL GLU GLY PRO PHE SEQRES 31 A 415 VAL THR LEU ASP MET GLU ASP CYS GLY TYR ASN ILE PRO SEQRES 32 A 415 GLN THR ASP GLU SER THR HIS HIS HIS HIS HIS HIS HET 454 A 1 22 HETNAM 454 8,8-DIPHENYL-2,3,4,8-TETRAHYDROIMIDAZO[1,5-A]PYRIMIDIN- HETNAM 2 454 6-AMINE FORMUL 2 454 C18 H18 N4 FORMUL 3 HOH *114(H2 O) HELIX 1 1 SER A 60 VAL A 65 5 6 HELIX 2 2 GLN A 115 SER A 119 5 5 HELIX 3 3 TYR A 185 ALA A 189 5 5 HELIX 4 4 PRO A 197 THR A 206 1 10 HELIX 5 5 ASP A 242 SER A 244 5 3 HELIX 6 6 ASP A 278 TYR A 284 5 7 HELIX 7 7 LYS A 300 SER A 314 1 15 HELIX 8 8 PRO A 320 LEU A 325 1 6 HELIX 9 9 PRO A 338 PHE A 342 5 5 HELIX 10 10 LEU A 363 TYR A 367 1 5 HELIX 11 11 GLY A 396 GLU A 401 1 6 HELIX 12 12 ARG A 409 ARG A 411 5 3 SHEET 1 A 9 ARG A 123 VAL A 131 0 SHEET 2 A 9 TRP A 138 SER A 148 -1 O LEU A 142 N LYS A 127 SHEET 3 A 9 TYR A 76 VAL A 82 -1 N THR A 81 O SER A 148 SHEET 4 A 9 LEU A 68 LYS A 71 -1 N ARG A 69 O TYR A 77 SHEET 5 A 9 SER A 231 ILE A 238 -1 O VAL A 232 N GLY A 70 SHEET 6 A 9 PHE A 212 GLY A 218 -1 N GLN A 215 O SER A 235 SHEET 7 A 9 PHE A 403 ASP A 408 -1 O PHE A 407 N PHE A 212 SHEET 8 A 9 ARG A 413 SER A 419 -1 O ALA A 417 N TYR A 404 SHEET 9 A 9 TYR A 246 PRO A 254 -1 N THR A 253 O ILE A 414 SHEET 1 B13 ARG A 123 VAL A 131 0 SHEET 2 B13 TRP A 138 SER A 148 -1 O LEU A 142 N LYS A 127 SHEET 3 B13 VAL A 157 SER A 167 -1 O ILE A 161 N GLY A 143 SHEET 4 B13 PHE A 100 GLY A 103 1 N VAL A 102 O ALA A 162 SHEET 5 B13 GLY A 179 GLY A 182 -1 O ILE A 180 N ALA A 101 SHEET 6 B13 GLN A 87 ASP A 94 1 N LEU A 92 O LEU A 181 SHEET 7 B13 TYR A 76 VAL A 82 -1 N MET A 80 O LEU A 89 SHEET 8 B13 LEU A 68 LYS A 71 -1 N ARG A 69 O TYR A 77 SHEET 9 B13 SER A 231 ILE A 238 -1 O VAL A 232 N GLY A 70 SHEET 10 B13 PHE A 212 GLY A 218 -1 N GLN A 215 O SER A 235 SHEET 11 B13 PHE A 403 ASP A 408 -1 O PHE A 407 N PHE A 212 SHEET 12 B13 ARG A 413 SER A 419 -1 O ALA A 417 N TYR A 404 SHEET 13 B13 TYR A 246 PRO A 254 -1 N THR A 253 O ILE A 414 SHEET 1 C 5 GLU A 262 VAL A 263 0 SHEET 2 C 5 SER A 287 VAL A 289 -1 O SER A 287 N VAL A 263 SHEET 3 C 5 THR A 393 MET A 395 1 O MET A 395 N ILE A 288 SHEET 4 C 5 LEU A 296 PRO A 299 -1 N ARG A 297 O VAL A 394 SHEET 5 C 5 ILE A 386 SER A 389 1 O SER A 389 N LEU A 298 SHEET 1 D 5 GLN A 273 ASP A 274 0 SHEET 2 D 5 ILE A 265 ILE A 270 -1 N ILE A 270 O GLN A 273 SHEET 3 D 5 ILE A 345 MET A 350 -1 O TYR A 348 N ARG A 267 SHEET 4 D 5 GLN A 356 ILE A 362 -1 O PHE A 358 N LEU A 349 SHEET 5 D 5 ALA A 431 VAL A 437 -1 O GLU A 433 N ARG A 359 SHEET 1 E 3 VAL A 330 CYS A 331 0 SHEET 2 E 3 CYS A 381 PHE A 384 -1 O TYR A 382 N VAL A 330 SHEET 3 E 3 LEU A 368 PRO A 370 -1 N ARG A 369 O LYS A 383 SSBOND 1 CYS A 217 CYS A 421 1555 1555 2.04 SSBOND 2 CYS A 279 CYS A 444 1555 1555 2.05 SSBOND 3 CYS A 331 CYS A 381 1555 1555 2.03 CISPEP 1 SER A 84 PRO A 85 0 -3.75 CISPEP 2 ARG A 190 PRO A 191 0 3.98 CISPEP 3 TYR A 284 ASP A 285 0 3.21 CISPEP 4 GLY A 434 PRO A 435 0 0.21 SITE 1 AC1 8 LEU A 92 ASP A 94 GLY A 96 PHE A 170 SITE 2 AC1 8 TRP A 177 ASP A 290 GLY A 292 THR A 293 CRYST1 73.137 104.330 49.551 90.00 94.69 90.00 C 1 2 1 4 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 0.013673 0.000000 0.001122 0.00000 SCALE2 0.000000 0.009585 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020249 0.00000