HEADER APOPTOSIS 07-NOV-12 4HW4 TITLE DISCOVERY OF POTENT MCL-1 INHIBITORS USING FRAGMENT-BASED METHODS AND TITLE 2 STRUCTURE-BASED DESIGN COMPND MOL_ID: 1; COMPND 2 MOLECULE: INDUCED MYELOID LEUKEMIA CELL DIFFERENTIATION PROTEIN MCL- COMPND 3 1; COMPND 4 CHAIN: A, B; COMPND 5 SYNONYM: BCL-2-LIKE PROTEIN 3, BCL2-L-3, BCL-2-RELATED PROTEIN COMPND 6 EAT/MCL1, MCL1/EAT; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: MCL-1 BH3 PEPTIDE; COMPND 10 CHAIN: C, D; COMPND 11 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: MCL1, BCL2L3; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 OTHER_DETAILS: SYNTHETIC PEPTIDE KEYWDS ANTI-APOPTOTIC PROTEIN, BH3 PEPTIDES, APOPTOSIS EXPDTA X-RAY DIFFRACTION AUTHOR A.FRIBERG,B.ZHAO REVDAT 2 06-MAR-13 4HW4 1 JRNL REVDAT 1 09-JAN-13 4HW4 0 JRNL AUTH A.FRIBERG,D.VIGIL,B.ZHAO,R.N.DANIELS,J.P.BURKE, JRNL AUTH 2 P.M.GARCIA-BARRANTES,D.CAMPER,B.A.CHAUDER,T.LEE, JRNL AUTH 3 E.T.OLEJNICZAK,S.W.FESIK JRNL TITL DISCOVERY OF POTENT MYELOID CELL LEUKEMIA 1 (MCL-1) JRNL TITL 2 INHIBITORS USING FRAGMENT-BASED METHODS AND STRUCTURE-BASED JRNL TITL 3 DESIGN. JRNL REF J.MED.CHEM. V. 56 15 2013 JRNL REFN ISSN 0022-2623 JRNL PMID 23244564 JRNL DOI 10.1021/JM301448P REMARK 2 REMARK 2 RESOLUTION. 1.53 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8_1069) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VICENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE- REMARK 3 : KUNSTLEVE,LI-WEI HUNG,ROBERT IMMORMINO, REMARK 3 : TOM IOERGER,AIRLIE MCCOY,ERIK MCKEE,NIGEL REMARK 3 : MORIARTY,REETAL PAI,RANDY READ,JANE REMARK 3 : RICHARDSON,DAVID RICHARDSON,TOD ROMO,JIM REMARK 3 : SACCHETTINI,NICHOLAS SAUTER,JACOB SMITH, REMARK 3 : LAURENT STORONI,TOM TERWILLIGER,PETER REMARK 3 : ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.53 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.74 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.380 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 49292 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.140 REMARK 3 R VALUE (WORKING SET) : 0.137 REMARK 3 FREE R VALUE : 0.184 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.060 REMARK 3 FREE R VALUE TEST SET COUNT : 2495 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 34.7534 - 4.0073 0.99 2684 144 0.1659 0.1674 REMARK 3 2 4.0073 - 3.1814 1.00 2640 133 0.1304 0.1641 REMARK 3 3 3.1814 - 2.7794 1.00 2614 128 0.1400 0.1686 REMARK 3 4 2.7794 - 2.5254 1.00 2601 152 0.1302 0.2016 REMARK 3 5 2.5254 - 2.3444 1.00 2625 144 0.1268 0.1754 REMARK 3 6 2.3444 - 2.2062 1.00 2582 143 0.1177 0.1754 REMARK 3 7 2.2062 - 2.0958 1.00 2597 116 0.1129 0.1888 REMARK 3 8 2.0958 - 2.0045 1.00 2604 142 0.1218 0.1893 REMARK 3 9 2.0045 - 1.9274 1.00 2587 140 0.1246 0.1833 REMARK 3 10 1.9274 - 1.8609 1.00 2552 157 0.1259 0.1949 REMARK 3 11 1.8609 - 1.8027 1.00 2625 149 0.1262 0.1954 REMARK 3 12 1.8027 - 1.7512 1.00 2580 148 0.1288 0.2188 REMARK 3 13 1.7512 - 1.7051 1.00 2570 124 0.1372 0.2051 REMARK 3 14 1.7051 - 1.6635 1.00 2568 144 0.1418 0.2038 REMARK 3 15 1.6635 - 1.6257 1.00 2597 135 0.1490 0.2328 REMARK 3 16 1.6257 - 1.5911 1.00 2627 131 0.1527 0.2340 REMARK 3 17 1.5911 - 1.5592 1.00 2542 133 0.1694 0.2471 REMARK 3 18 1.5592 - 1.5298 0.99 2602 132 0.1942 0.2524 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 : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.140 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.410 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 : 0.008 2697 REMARK 3 ANGLE : 1.005 3621 REMARK 3 CHIRALITY : 0.053 404 REMARK 3 PLANARITY : 0.005 467 REMARK 3 DIHEDRAL : 13.175 1017 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 4HW4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-NOV-12. REMARK 100 THE RCSB ID CODE IS RCSB075993. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-JUN-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-G REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97856 REMARK 200 MONOCHROMATOR : SAGITALLY FOCUSED SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 300 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 49398 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.530 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.04700 REMARK 200 R SYM (I) : 0.04200 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.53 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.56 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.40 REMARK 200 R MERGE FOR SHELL (I) : 0.31300 REMARK 200 R SYM FOR SHELL (I) : 0.40800 REMARK 200 FOR SHELL : 2.460 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.15 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG3350, 0.2M NACL, 0.1M BIS-TRIS, REMARK 280 PH 5.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 24.17650 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 TOTAL BURIED SURFACE AREA: 1830 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 8650 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -13.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1830 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7830 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, D 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 325 REMARK 465 GLY A 326 REMARK 465 GLY A 327 REMARK 465 ALA B 193 REMARK 465 LYS B 194 REMARK 465 ASP B 195 REMARK 465 THR B 196 REMARK 465 LYS B 197 REMARK 465 PRO B 198 REMARK 465 MET B 199 REMARK 465 GLY B 200 REMARK 465 ARG B 201 REMARK 465 SER B 202 REMARK 465 GLU B 322 REMARK 465 ASP B 323 REMARK 465 LEU B 324 REMARK 465 GLU B 325 REMARK 465 GLY B 326 REMARK 465 GLY B 327 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 GLU A 322 CG CD OE1 OE2 REMARK 470 ASP A 323 CG OD1 OD2 REMARK 470 LEU A 324 CG CD1 CD2 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 ILE A 281 O HOH A 607 1.82 REMARK 500 O HOH A 437 O HOH A 607 1.88 REMARK 500 O HOH C 121 O HOH C 123 1.88 REMARK 500 O HOH A 571 O HOH B 485 1.88 REMARK 500 O HOH A 611 O HOH B 505 1.90 REMARK 500 O HOH A 597 O HOH A 600 1.93 REMARK 500 O HOH A 594 O HOH A 602 1.96 REMARK 500 O HOH A 606 O HOH A 609 1.97 REMARK 500 O HOH B 487 O HOH B 488 1.98 REMARK 500 O HOH B 517 O HOH D 113 1.99 REMARK 500 O HOH A 569 O HOH A 599 2.00 REMARK 500 O THR B 191 O HOH B 518 2.01 REMARK 500 O HOH A 591 O HOH A 600 2.03 REMARK 500 O HOH A 545 O HOH A 577 2.10 REMARK 500 O GLY B 203 O HOH B 492 2.14 REMARK 500 O HOH C 128 O HOH C 130 2.15 REMARK 500 C ASN A 282 O HOH A 607 2.15 REMARK 500 C THR B 191 O HOH B 518 2.17 REMARK 500 O HOH B 490 O HOH B 508 2.18 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 B 515 O HOH D 124 2454 1.45 REMARK 500 O HOH A 575 O HOH C 116 2455 1.81 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 300 -70.05 -124.53 REMARK 500 THR B 191 -114.07 -112.78 REMARK 500 ARG B 310 30.35 70.73 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4HW2 RELATED DB: PDB REMARK 900 RELATED ID: 4HW3 RELATED DB: PDB REMARK 900 RELATED ID: 4HW4 RELATED DB: PDB DBREF 4HW4 A 172 327 UNP Q07820 MCL1_HUMAN 172 327 DBREF 4HW4 B 172 327 UNP Q07820 MCL1_HUMAN 172 327 DBREF 4HW4 C 0 17 PDB 4HW4 4HW4 0 17 DBREF 4HW4 D 0 17 PDB 4HW4 4HW4 0 17 SEQADV 4HW4 GLY A 171 UNP Q07820 EXPRESSION TAG SEQADV 4HW4 GLY B 171 UNP Q07820 EXPRESSION TAG SEQRES 1 A 157 GLY ASP GLU LEU TYR ARG GLN SER LEU GLU ILE ILE SER SEQRES 2 A 157 ARG TYR LEU ARG GLU GLN ALA THR GLY ALA LYS ASP THR SEQRES 3 A 157 LYS PRO MET GLY ARG SER GLY ALA THR SER ARG LYS ALA SEQRES 4 A 157 LEU GLU THR LEU ARG ARG VAL GLY ASP GLY VAL GLN ARG SEQRES 5 A 157 ASN HIS GLU THR ALA PHE GLN GLY MET LEU ARG LYS LEU SEQRES 6 A 157 ASP ILE LYS ASN GLU ASP ASP VAL LYS SER LEU SER ARG SEQRES 7 A 157 VAL MET ILE HIS VAL PHE SER ASP GLY VAL THR ASN TRP SEQRES 8 A 157 GLY ARG ILE VAL THR LEU ILE SER PHE GLY ALA PHE VAL SEQRES 9 A 157 ALA LYS HIS LEU LYS THR ILE ASN GLN GLU SER CYS ILE SEQRES 10 A 157 GLU PRO LEU ALA GLU SER ILE THR ASP VAL LEU VAL ARG SEQRES 11 A 157 THR LYS ARG ASP TRP LEU VAL LYS GLN ARG GLY TRP ASP SEQRES 12 A 157 GLY PHE VAL GLU PHE PHE HIS VAL GLU ASP LEU GLU GLY SEQRES 13 A 157 GLY SEQRES 1 B 157 GLY ASP GLU LEU TYR ARG GLN SER LEU GLU ILE ILE SER SEQRES 2 B 157 ARG TYR LEU ARG GLU GLN ALA THR GLY ALA LYS ASP THR SEQRES 3 B 157 LYS PRO MET GLY ARG SER GLY ALA THR SER ARG LYS ALA SEQRES 4 B 157 LEU GLU THR LEU ARG ARG VAL GLY ASP GLY VAL GLN ARG SEQRES 5 B 157 ASN HIS GLU THR ALA PHE GLN GLY MET LEU ARG LYS LEU SEQRES 6 B 157 ASP ILE LYS ASN GLU ASP ASP VAL LYS SER LEU SER ARG SEQRES 7 B 157 VAL MET ILE HIS VAL PHE SER ASP GLY VAL THR ASN TRP SEQRES 8 B 157 GLY ARG ILE VAL THR LEU ILE SER PHE GLY ALA PHE VAL SEQRES 9 B 157 ALA LYS HIS LEU LYS THR ILE ASN GLN GLU SER CYS ILE SEQRES 10 B 157 GLU PRO LEU ALA GLU SER ILE THR ASP VAL LEU VAL ARG SEQRES 11 B 157 THR LYS ARG ASP TRP LEU VAL LYS GLN ARG GLY TRP ASP SEQRES 12 B 157 GLY PHE VAL GLU PHE PHE HIS VAL GLU ASP LEU GLU GLY SEQRES 13 B 157 GLY SEQRES 1 C 18 ACE ALA LEU GLU THR LEU ARG ARG VAL GLY ASP GLY VAL SEQRES 2 C 18 GLN ARG ASN HIS NH2 SEQRES 1 D 18 ACE ALA LEU GLU THR LEU ARG ARG VAL GLY ASP GLY VAL SEQRES 2 D 18 GLN ARG ASN HIS NH2 HET ACE C 0 3 HET NH2 C 17 1 HET ACE D 0 3 HET NH2 D 17 1 HETNAM ACE ACETYL GROUP HETNAM NH2 AMINO GROUP FORMUL 3 ACE 2(C2 H4 O) FORMUL 3 NH2 2(H2 N) FORMUL 5 HOH *387(H2 O) HELIX 1 1 ASP A 172 GLY A 192 1 21 HELIX 2 2 SER A 202 HIS A 224 1 23 HELIX 3 3 HIS A 224 ASP A 236 1 13 HELIX 4 4 ASN A 239 PHE A 254 1 16 HELIX 5 5 SER A 255 GLY A 257 5 3 HELIX 6 6 ASN A 260 ILE A 281 1 22 HELIX 7 7 GLN A 283 SER A 285 5 3 HELIX 8 8 CYS A 286 ARG A 300 1 15 HELIX 9 9 LYS A 302 GLN A 309 1 8 HELIX 10 10 ARG A 310 HIS A 320 1 11 HELIX 11 11 ASP B 172 THR B 191 1 20 HELIX 12 12 ALA B 204 HIS B 224 1 21 HELIX 13 13 HIS B 224 ASP B 236 1 13 HELIX 14 14 ASN B 239 PHE B 254 1 16 HELIX 15 15 SER B 255 GLY B 257 5 3 HELIX 16 16 ASN B 260 ILE B 281 1 22 HELIX 17 17 GLN B 283 SER B 285 5 3 HELIX 18 18 CYS B 286 LYS B 302 1 17 HELIX 19 19 LYS B 302 GLN B 309 1 8 HELIX 20 20 ARG B 310 PHE B 319 1 10 HELIX 21 21 ALA C 1 HIS C 16 1 16 HELIX 22 22 ALA D 1 HIS D 16 1 16 LINK C ACE C 0 N ALA C 1 1555 1555 1.35 LINK C HIS C 16 N NH2 C 17 1555 1555 1.34 LINK C ACE D 0 N ALA D 1 1555 1555 1.33 LINK C HIS D 16 N NH2 D 17 1555 1555 1.33 CRYST1 50.070 48.353 68.183 90.00 93.83 90.00 P 1 21 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 0.019972 0.000000 0.001335 0.00000 SCALE2 0.000000 0.020681 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014699 0.00000