HEADER DE NOVO PROTEIN 22-AUG-23 8QAA TITLE X-RAY CRYSTAL STRUCTURE OF A DE NOVO DESIGNED ANTIPARALLEL COILED-COIL TITLE 2 6-HELIX BUNDLE WITH 4 HEPTAD REPEATS, ANTIPARALLEL 6-HELIX BUNDLE- TITLE 3 ALIA COMPND MOL_ID: 1; COMPND 2 MOLECULE: ANTIPARALLEL 6-HELIX BUNDLE-ALIA; COMPND 3 CHAIN: A, B, C, D, E, F; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 4 ORGANISM_TAXID: 32630 KEYWDS COILED COIL, 6-HELIX BUNDLE, DE NOVO PROTEIN DESIGN, PEPTIDE KEYWDS 2 ASSEMBLY, DE NOVO PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR K.I.ALBANESE,R.PETRENAS,D.N.WOOLFSON REVDAT 2 07-AUG-24 8QAA 1 JRNL REVDAT 1 03-JUL-24 8QAA 0 JRNL AUTH K.I.ALBANESE,R.PETRENAS,F.PIRRO,E.A.NAUDIN,U.BORUCU, JRNL AUTH 2 W.M.DAWSON,D.A.SCOTT,G.J.LEGGETT,O.D.WEINER,T.A.A.OLIVER, JRNL AUTH 3 D.N.WOOLFSON JRNL TITL RATIONALLY SEEDED COMPUTATIONAL PROTEIN DESIGN OF JRNL TITL 2 ɑ-HELICAL BARRELS. JRNL REF NAT.CHEM.BIOL. V. 20 991 2024 JRNL REFN ESSN 1552-4469 JRNL PMID 38902458 JRNL DOI 10.1038/S41589-024-01642-0 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.19.2_4158 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 44.75 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 3 NUMBER OF REFLECTIONS : 19709 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.183 REMARK 3 R VALUE (WORKING SET) : 0.181 REMARK 3 FREE R VALUE : 0.224 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.090 REMARK 3 FREE R VALUE TEST SET COUNT : 1004 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 44.7500 - 3.0600 0.99 2712 177 0.1745 0.1951 REMARK 3 2 3.0600 - 2.4300 0.99 2711 128 0.1701 0.2504 REMARK 3 3 2.4300 - 2.1200 0.99 2702 136 0.1589 0.2205 REMARK 3 4 2.1200 - 1.9300 0.98 2651 150 0.1784 0.2257 REMARK 3 5 1.9300 - 1.7900 0.98 2658 138 0.2059 0.2885 REMARK 3 6 1.7900 - 1.6800 0.98 2648 136 0.2252 0.2595 REMARK 3 7 1.6800 - 1.6000 0.97 2623 139 0.2465 0.2951 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) : 0.190 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.080 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.31 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 1266 REMARK 3 ANGLE : 0.571 1707 REMARK 3 CHIRALITY : 0.036 216 REMARK 3 PLANARITY : 0.004 207 REMARK 3 DIHEDRAL : 13.819 182 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 6 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: (CHAIN 'A' AND RESID 0 THROUGH 30) REMARK 3 ORIGIN FOR THE GROUP (A): -2.3485 19.0946 9.9015 REMARK 3 T TENSOR REMARK 3 T11: 0.2312 T22: 0.1097 REMARK 3 T33: 0.0773 T12: -0.0128 REMARK 3 T13: 0.0188 T23: 0.0000 REMARK 3 L TENSOR REMARK 3 L11: 0.9239 L22: 6.4613 REMARK 3 L33: 0.7154 L12: 1.8682 REMARK 3 L13: -0.4109 L23: -1.5140 REMARK 3 S TENSOR REMARK 3 S11: -0.0477 S12: 0.0699 S13: 0.0470 REMARK 3 S21: -0.4407 S22: 0.0865 S23: 0.2460 REMARK 3 S31: 0.0779 S32: -0.0176 S33: -0.0555 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: (CHAIN 'D' AND RESID 1 THROUGH 30) REMARK 3 ORIGIN FOR THE GROUP (A): 8.2747 21.4192 13.9086 REMARK 3 T TENSOR REMARK 3 T11: 0.2395 T22: 0.1743 REMARK 3 T33: 0.1246 T12: 0.0140 REMARK 3 T13: 0.0455 T23: 0.0074 REMARK 3 L TENSOR REMARK 3 L11: 2.0626 L22: 3.9747 REMARK 3 L33: 0.4953 L12: 2.6728 REMARK 3 L13: 0.7227 L23: 0.5785 REMARK 3 S TENSOR REMARK 3 S11: -0.1085 S12: 0.0622 S13: -0.0511 REMARK 3 S21: -0.1074 S22: 0.2477 S23: -0.2743 REMARK 3 S31: 0.0247 S32: 0.1080 S33: -0.0659 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: (CHAIN 'E' AND RESID 0 THROUGH 30) REMARK 3 ORIGIN FOR THE GROUP (A): -5.4846 23.7939 15.6635 REMARK 3 T TENSOR REMARK 3 T11: 0.1588 T22: 0.1529 REMARK 3 T33: 0.0246 T12: -0.0276 REMARK 3 T13: 0.0188 T23: -0.0008 REMARK 3 L TENSOR REMARK 3 L11: 1.5231 L22: 4.2413 REMARK 3 L33: 2.2333 L12: 1.8687 REMARK 3 L13: -0.7371 L23: -2.1019 REMARK 3 S TENSOR REMARK 3 S11: -0.0194 S12: 0.0543 S13: 0.1842 REMARK 3 S21: -0.1515 S22: 0.0763 S23: 0.3414 REMARK 3 S31: 0.0206 S32: -0.1384 S33: -0.1355 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: (CHAIN 'B' AND RESID 0 THROUGH 30) REMARK 3 ORIGIN FOR THE GROUP (A): -4.8891 19.8295 25.6161 REMARK 3 T TENSOR REMARK 3 T11: 0.1515 T22: 0.1558 REMARK 3 T33: 0.0421 T12: -0.0129 REMARK 3 T13: 0.0301 T23: -0.0068 REMARK 3 L TENSOR REMARK 3 L11: 1.0308 L22: 5.7934 REMARK 3 L33: 2.3484 L12: -0.5188 REMARK 3 L13: 0.5779 L23: -2.4340 REMARK 3 S TENSOR REMARK 3 S11: -0.0780 S12: -0.1417 S13: -0.0013 REMARK 3 S21: 0.1750 S22: 0.2409 S23: 0.4381 REMARK 3 S31: -0.0882 S32: -0.1003 S33: -0.0934 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: (CHAIN 'C' AND RESID 0 THROUGH 30) REMARK 3 ORIGIN FOR THE GROUP (A): 1.0932 23.8940 29.9484 REMARK 3 T TENSOR REMARK 3 T11: 0.2935 T22: 0.1819 REMARK 3 T33: 0.1018 T12: 0.0087 REMARK 3 T13: 0.0076 T23: -0.0064 REMARK 3 L TENSOR REMARK 3 L11: 0.6147 L22: 6.8500 REMARK 3 L33: 0.0456 L12: -1.3806 REMARK 3 L13: 0.1499 L23: -0.1494 REMARK 3 S TENSOR REMARK 3 S11: -0.1137 S12: -0.1187 S13: 0.0105 REMARK 3 S21: 0.4562 S22: 0.1171 S23: 0.0132 REMARK 3 S31: -0.0416 S32: -0.0154 S33: -0.0049 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: (CHAIN 'F' AND RESID 1 THROUGH 30) REMARK 3 ORIGIN FOR THE GROUP (A): 5.7721 18.1638 21.2847 REMARK 3 T TENSOR REMARK 3 T11: 0.1749 T22: 0.1947 REMARK 3 T33: 0.1232 T12: 0.0063 REMARK 3 T13: 0.0130 T23: 0.0059 REMARK 3 L TENSOR REMARK 3 L11: 0.7344 L22: 2.4641 REMARK 3 L33: 0.6973 L12: 0.7599 REMARK 3 L13: 0.0612 L23: -0.0311 REMARK 3 S TENSOR REMARK 3 S11: -0.0322 S12: -0.0266 S13: -0.0405 REMARK 3 S21: 0.1616 S22: 0.0231 S23: -0.4591 REMARK 3 S31: 0.0121 S32: 0.0412 S33: -0.0025 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 8QAA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 22-AUG-23. REMARK 100 THE DEPOSITION ID IS D_1292132820. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-DEC-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I04 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 XE CDTE 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DIALS REMARK 200 DATA SCALING SOFTWARE : DIALS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19749 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 44.750 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : 0.11840 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.6300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.66 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.9 REMARK 200 DATA REDUNDANCY IN SHELL : 6.60 REMARK 200 R MERGE FOR SHELL (I) : 0.81760 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.110 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: AB INITIO PHASING REMARK 200 SOFTWARE USED: ARCIMBOLDO REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 12.5% W/V PEG 1000, 12.5% W/V PEG REMARK 280 3350, 12.5% V/V MPD, 0.03 M OF EACH NPS, 0.1 M BICINE/TRIZMA REMARK 280 BASE PH 8.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K 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 44.74800 REMARK 290 SMTRY3 2 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9700 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 8300 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -125.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F 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 ACE D 0 REMARK 465 ACE F 0 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 4 OE1 OE2 REMARK 470 GLN A 8 CD OE1 NE2 REMARK 470 GLU A 12 CD OE1 OE2 REMARK 470 LYS A 15 CD CE NZ REMARK 470 LYS A 18 CE NZ REMARK 470 LYS A 19 NZ REMARK 470 LYS A 25 NZ REMARK 470 GLN B 8 CD OE1 NE2 REMARK 470 LYS B 15 CD CE NZ REMARK 470 LYS B 18 CD CE NZ REMARK 470 LYS B 19 CD CE NZ REMARK 470 LYS B 26 CE NZ REMARK 470 GLN B 29 CG CD OE1 NE2 REMARK 470 LYS C 15 NZ REMARK 470 LYS C 18 CE NZ REMARK 470 LYS C 19 CG CD CE NZ REMARK 470 LYS C 26 CD CE NZ REMARK 470 GLN D 8 CG CD OE1 NE2 REMARK 470 GLU D 12 CD OE1 OE2 REMARK 470 LYS D 15 CD CE NZ REMARK 470 LYS D 18 CD CE NZ REMARK 470 LYS D 19 CD CE NZ REMARK 470 LYS D 26 CE NZ REMARK 470 GLU E 5 CD OE1 OE2 REMARK 470 GLN E 8 CD OE1 NE2 REMARK 470 GLU E 11 CG CD OE1 OE2 REMARK 470 GLU E 12 CD OE1 OE2 REMARK 470 LYS E 15 CD CE NZ REMARK 470 LYS E 18 CE NZ REMARK 470 LYS E 19 NZ REMARK 470 LYS E 25 CD CE NZ REMARK 470 LYS E 26 CE NZ REMARK 470 GLU F 4 CG CD OE1 OE2 REMARK 470 GLU F 11 CD OE1 OE2 REMARK 470 LYS F 15 CD CE NZ REMARK 470 LYS F 18 CE NZ REMARK 470 LYS F 25 CD CE NZ REMARK 470 LYS F 26 CE NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 GLY A 30 CA - C - N ANGL. DEV. = -22.9 DEGREES REMARK 500 GLY A 30 O - C - N ANGL. DEV. = 15.7 DEGREES REMARK 500 GLY C 30 O - C - N ANGL. DEV. = -13.6 DEGREES REMARK 500 GLY D 30 CA - C - N ANGL. DEV. = -29.0 DEGREES REMARK 500 GLY D 30 O - C - N ANGL. DEV. = 25.4 DEGREES REMARK 500 GLY F 30 O - C - N ANGL. DEV. = -11.5 DEGREES REMARK 500 REMARK 500 REMARK: NULL DBREF 8QAA A 0 31 PDB 8QAA 8QAA 0 31 DBREF 8QAA B 0 31 PDB 8QAA 8QAA 0 31 DBREF 8QAA C 0 31 PDB 8QAA 8QAA 0 31 DBREF 8QAA D 0 31 PDB 8QAA 8QAA 0 31 DBREF 8QAA E 0 31 PDB 8QAA 8QAA 0 31 DBREF 8QAA F 0 31 PDB 8QAA 8QAA 0 31 SEQRES 1 A 32 ACE GLY ALA LEU GLU GLU ILE ALA GLN ALA LEU GLU GLU SEQRES 2 A 32 ILE ALA LYS ALA LEU LYS LYS ILE ALA TRP ALA LEU LYS SEQRES 3 A 32 LYS ILE ALA GLN GLY NH2 SEQRES 1 B 32 ACE GLY ALA LEU GLU GLU ILE ALA GLN ALA LEU GLU GLU SEQRES 2 B 32 ILE ALA LYS ALA LEU LYS LYS ILE ALA TRP ALA LEU LYS SEQRES 3 B 32 LYS ILE ALA GLN GLY NH2 SEQRES 1 C 32 ACE GLY ALA LEU GLU GLU ILE ALA GLN ALA LEU GLU GLU SEQRES 2 C 32 ILE ALA LYS ALA LEU LYS LYS ILE ALA TRP ALA LEU LYS SEQRES 3 C 32 LYS ILE ALA GLN GLY NH2 SEQRES 1 D 32 ACE GLY ALA LEU GLU GLU ILE ALA GLN ALA LEU GLU GLU SEQRES 2 D 32 ILE ALA LYS ALA LEU LYS LYS ILE ALA TRP ALA LEU LYS SEQRES 3 D 32 LYS ILE ALA GLN GLY NH2 SEQRES 1 E 32 ACE GLY ALA LEU GLU GLU ILE ALA GLN ALA LEU GLU GLU SEQRES 2 E 32 ILE ALA LYS ALA LEU LYS LYS ILE ALA TRP ALA LEU LYS SEQRES 3 E 32 LYS ILE ALA GLN GLY NH2 SEQRES 1 F 32 ACE GLY ALA LEU GLU GLU ILE ALA GLN ALA LEU GLU GLU SEQRES 2 F 32 ILE ALA LYS ALA LEU LYS LYS ILE ALA TRP ALA LEU LYS SEQRES 3 F 32 LYS ILE ALA GLN GLY NH2 HET ACE A 0 3 HET NH2 A 31 3 HET ACE B 0 3 HET NH2 B 31 3 HET ACE C 0 3 HET NH2 C 31 3 HET NH2 D 31 3 HET ACE E 0 3 HET NH2 E 31 3 HET NH2 F 31 3 HETNAM ACE ACETYL GROUP HETNAM NH2 AMINO GROUP FORMUL 1 ACE 4(C2 H4 O) FORMUL 1 NH2 6(H2 N) FORMUL 7 HOH *171(H2 O) HELIX 1 AA1 GLY A 1 GLY A 30 1 30 HELIX 2 AA2 GLY B 1 GLY B 30 1 30 HELIX 3 AA3 GLY C 1 GLY C 30 1 30 HELIX 4 AA4 ALA D 2 GLY D 30 1 29 HELIX 5 AA5 GLY E 1 GLN E 29 1 29 HELIX 6 AA6 ALA F 2 GLY F 30 1 29 LINK C ACE A 0 N GLY A 1 1555 1555 1.34 LINK C GLY A 30 N NH2 A 31 1555 1555 1.43 LINK C ACE B 0 N GLY B 1 1555 1555 1.34 LINK C GLY B 30 N NH2 B 31 1555 1555 1.43 LINK C ACE C 0 N GLY C 1 1555 1555 1.33 LINK C GLY C 30 N NH2 C 31 1555 1555 1.43 LINK C GLY D 30 N NH2 D 31 1555 1555 1.43 LINK C ACE E 0 N GLY E 1 1555 1555 1.33 LINK C GLY E 30 N NH2 E 31 1555 1555 1.43 LINK C GLY F 30 N NH2 F 31 1555 1555 1.43 CRYST1 29.274 89.496 32.667 90.00 115.21 90.00 P 1 21 1 12 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 0.034160 0.000000 0.016083 0.00000 SCALE2 0.000000 0.011174 0.000000 0.00000 SCALE3 0.000000 0.000000 0.033835 0.00000 HETATM 1 C ACE A 0 3.407 40.276 6.264 1.00 26.82 C ANISOU 1 C ACE A 0 4493 2877 2822 -218 415 261 C HETATM 2 O ACE A 0 3.635 39.899 7.426 1.00 23.47 O ANISOU 2 O ACE A 0 4021 2484 2411 -214 476 214 O HETATM 3 CH3 ACE A 0 2.020 40.601 5.775 1.00 28.20 C ANISOU 3 CH3 ACE A 0 4639 2967 3110 -206 309 319 C