HEADER DE NOVO PROTEIN 15-SEP-23 8QKD TITLE X-RAY CRYSTAL STRUCTURE OF A DE NOVO DESIGNED SINGLE-CHAIN PARALLEL TITLE 2 COILED-COIL ALPHA-HELICAL BARREL WITH 5 INNER HELICES, SC-CC-5-24 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SC-CC-5-24; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 3 ORGANISM_TAXID: 32630; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS COILED COIL, ALPHA-HELICAL BARREL, DE NOVO PROTEIN DESIGN, DE NOVO KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR R.PETRENAS,K.I.ALBANESE,D.N.WOOLFSON REVDAT 2 07-AUG-24 8QKD 1 JRNL REVDAT 1 03-JUL-24 8QKD 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. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.20.1_4487: ???) 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 60.54 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 18174 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.189 REMARK 3 R VALUE (WORKING SET) : 0.187 REMARK 3 FREE R VALUE : 0.215 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.920 REMARK 3 FREE R VALUE TEST SET COUNT : 895 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 60.5400 - 3.4500 0.99 2958 149 0.1835 0.1988 REMARK 3 2 3.4500 - 2.7400 1.00 2897 145 0.1984 0.2332 REMARK 3 3 2.7400 - 2.3900 1.00 2904 132 0.1814 0.2071 REMARK 3 4 2.3900 - 2.1700 1.00 2837 154 0.1779 0.2202 REMARK 3 5 2.1700 - 2.0200 1.00 2865 144 0.1831 0.2363 REMARK 3 6 2.0200 - 1.9000 0.99 2818 171 0.2155 0.2594 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.000 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 35.71 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 : 0.002 1967 REMARK 3 ANGLE : 0.443 2682 REMARK 3 CHIRALITY : 0.033 360 REMARK 3 PLANARITY : 0.004 330 REMARK 3 DIHEDRAL : 3.444 293 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: (CHAIN 'A' AND RESID 1 THROUGH 280) REMARK 3 ORIGIN FOR THE GROUP (A): 18.6315 1.2173 15.2797 REMARK 3 T TENSOR REMARK 3 T11: 0.2380 T22: 0.2548 REMARK 3 T33: 0.2564 T12: 0.0035 REMARK 3 T13: 0.0215 T23: 0.0092 REMARK 3 L TENSOR REMARK 3 L11: 3.3038 L22: 2.0932 REMARK 3 L33: 3.0148 L12: -0.1388 REMARK 3 L13: 1.3793 L23: -0.3361 REMARK 3 S TENSOR REMARK 3 S11: -0.0006 S12: -0.1532 S13: 0.0623 REMARK 3 S21: 0.0135 S22: -0.0086 S23: 0.1235 REMARK 3 S31: 0.0654 S32: -0.0560 S33: 0.0098 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: WATERS AND ROTAMER OUTLIERS WERE FIXED REMARK 3 WITH COOT(0.8.9.2) BEFORE DEPOSITION. REMARK 4 REMARK 4 8QKD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 15-SEP-23. REMARK 100 THE DEPOSITION ID IS D_1292133388. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-SEP-23 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 : 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) : 0.95373 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 XE 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XIA2.MULTIPLEX REMARK 200 DATA SCALING SOFTWARE : XIA2.MULTIPLEX REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18195 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 60.540 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 10.10 REMARK 200 R MERGE (I) : 0.05919 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.1600 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 8.60 REMARK 200 R MERGE FOR SHELL (I) : 0.47680 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.930 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 (%): 34.91 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.89 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: JCSG+ D2: 0.2 M MAGNESIUM CHLORIDE REMARK 280 HEXAHYDRATE, 0.1 M SODIUM HEPES, PH 7.5, 30 % V/V PEG 400, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 293.15K 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 45.99050 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 20.67950 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 45.99050 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 20.67950 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 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 -3 REMARK 465 SER A -2 REMARK 465 HIS A -1 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 MET A 0 CG SD CE REMARK 470 GLU A 1 CD OE1 OE2 REMARK 470 GLU A 8 CD OE1 OE2 REMARK 470 LYS A 11 CD CE NZ REMARK 470 GLU A 15 CD OE1 OE2 REMARK 470 GLU A 22 CD OE1 OE2 REMARK 470 LYS A 25 CG CD CE NZ REMARK 470 LYS A 28 CE NZ REMARK 470 GLU A 30 CG CD OE1 OE2 REMARK 470 GLU A 32 CD OE1 OE2 REMARK 470 LYS A 35 CD CE NZ REMARK 470 LYS A 36 CD CE NZ REMARK 470 GLU A 38 CD OE1 OE2 REMARK 470 GLU A 42 CD OE1 OE2 REMARK 470 LYS A 43 CE NZ REMARK 470 LYS A 46 CG CD CE NZ REMARK 470 GLU A 50 CD OE1 OE2 REMARK 470 LYS A 53 CG CD CE NZ REMARK 470 ASN A 60 CG OD1 ND2 REMARK 470 GLU A 63 CG CD OE1 OE2 REMARK 470 LYS A 67 NZ REMARK 470 LYS A 74 CE NZ REMARK 470 LYS A 81 CG CD CE NZ REMARK 470 LYS A 88 CE NZ REMARK 470 LYS A 91 CE NZ REMARK 470 GLU A 95 CG CD OE1 OE2 REMARK 470 GLU A 98 CD OE1 OE2 REMARK 470 LYS A 99 CG CD CE NZ REMARK 470 GLU A 102 CG CD OE1 OE2 REMARK 470 LYS A 105 CD CE NZ REMARK 470 LYS A 106 CE NZ REMARK 470 GLU A 112 CG CD OE1 OE2 REMARK 470 LYS A 113 CG CD CE NZ REMARK 470 LYS A 116 CG CD CE NZ REMARK 470 ASN A 123 CG OD1 ND2 REMARK 470 LYS A 151 CG CD CE NZ REMARK 470 ASP A 154 CG OD1 OD2 REMARK 470 GLU A 158 CG CD OE1 OE2 REMARK 470 GLU A 159 CG CD OE1 OE2 REMARK 470 LYS A 162 CG CD CE NZ REMARK 470 LYS A 165 CG CD CE NZ REMARK 470 GLU A 168 CD OE1 OE2 REMARK 470 GLU A 169 CG CD OE1 OE2 REMARK 470 LYS A 172 CD CE NZ REMARK 470 GLU A 176 CG CD OE1 OE2 REMARK 470 LYS A 183 CE NZ REMARK 470 GLU A 186 CG CD OE1 OE2 REMARK 470 LYS A 193 CD CE NZ REMARK 470 LYS A 219 CD CE NZ REMARK 470 GLU A 222 CD OE1 OE2 REMARK 470 LYS A 224 CG CD CE NZ REMARK 470 GLU A 228 CG CD OE1 OE2 REMARK 470 LYS A 229 CE NZ REMARK 470 GLU A 231 CD OE1 OE2 REMARK 470 GLU A 242 CD OE1 OE2 REMARK 470 LYS A 243 CD CE NZ REMARK 470 LYS A 246 CE NZ REMARK 470 GLU A 249 CD OE1 OE2 REMARK 470 GLU A 256 CG CD OE1 OE2 REMARK 470 LYS A 259 CD CE NZ REMARK 470 LYS A 273 NZ 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 ASP A 154 80.83 -154.85 REMARK 500 ASP A 184 86.25 -150.78 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 465 DISTANCE = 6.48 ANGSTROMS REMARK 525 HOH A 466 DISTANCE = 7.26 ANGSTROMS DBREF 8QKD A -3 280 PDB 8QKD 8QKD -3 280 SEQRES 1 A 284 GLY SER HIS MET GLU ILE ALA ALA THR LEU GLN GLU ILE SEQRES 2 A 284 ALA LYS THR LEU ALA GLU ILE ALA ILE THR LEU ALA GLU SEQRES 3 A 284 ILE ALA LYS THR LEU LYS PRO GLU SER GLU GLU ALA LYS SEQRES 4 A 284 LYS ALA GLU GLU GLU ALA GLU LYS ALA ALA LYS GLU VAL SEQRES 5 A 284 GLU GLU ALA ILE LYS TYR ALA LYS GLU HIS PRO ASN SER SEQRES 6 A 284 LEU GLU ALA VAL ALA LYS THR LEU GLN ALA ILE ALA LYS SEQRES 7 A 284 THR LEU ALA THR ILE ALA LYS THR LEU ALA TYR ILE ALA SEQRES 8 A 284 LYS THR LEU LYS PRO GLU SER GLU GLU ALA GLU LYS ALA SEQRES 9 A 284 GLU GLU GLU ALA LYS LYS ALA ALA GLU ARG THR GLU LYS SEQRES 10 A 284 ALA ILE LYS TYR ALA GLN ALA HIS PRO ASN SER LEU GLU SEQRES 11 A 284 ALA VAL ALA LYS THR LEU LEU ALA ILE ALA TRP THR LEU SEQRES 12 A 284 ALA VAL ILE ALA TRP THR LEU ALA TYR ILE ALA LYS THR SEQRES 13 A 284 LEU ASP PRO GLU SER GLU GLU ALA GLU LYS ALA LYS LYS SEQRES 14 A 284 ALA ALA GLU GLU ALA LYS LYS LYS VAL GLU GLU ALA GLU SEQRES 15 A 284 LYS ILE ALA GLN LYS ASP PRO GLU SER LEU GLU ALA VAL SEQRES 16 A 284 ALA LYS THR LEU ALA ALA ILE ALA ALA THR LEU ALA VAL SEQRES 17 A 284 ILE ALA LYS THR LEU ALA TYR ILE ALA LYS THR LEU ASP SEQRES 18 A 284 PRO LYS SER GLU GLU ALA LYS LYS ALA LYS GLU LYS ALA SEQRES 19 A 284 GLU ALA ALA ALA LYS LYS ALA ALA GLU ALA ILE GLU LYS SEQRES 20 A 284 ALA GLU LYS ASP PRO GLU SER LEU GLU ALA ILE ALA GLU SEQRES 21 A 284 THR LEU LYS ALA ILE ALA ASP THR LEU LYS VAL ILE ALA SEQRES 22 A 284 GLU THR LEU LYS THR ILE ALA LYS THR LEU LYS HET PEG A 301 7 HET PEG A 302 7 HETNAM PEG DI(HYDROXYETHYL)ETHER FORMUL 2 PEG 2(C4 H10 O3) FORMUL 4 HOH *66(H2 O) HELIX 1 AA1 GLU A 1 LYS A 28 1 28 HELIX 2 AA2 SER A 31 HIS A 58 1 28 HELIX 3 AA3 SER A 61 LYS A 91 1 31 HELIX 4 AA4 SER A 94 HIS A 121 1 28 HELIX 5 AA5 SER A 124 ASP A 154 1 31 HELIX 6 AA6 SER A 157 ASP A 184 1 28 HELIX 7 AA7 SER A 187 ASP A 217 1 31 HELIX 8 AA8 SER A 220 ASP A 247 1 28 HELIX 9 AA9 SER A 250 LEU A 279 1 30 CRYST1 91.981 41.359 62.556 90.00 104.60 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 0.010872 0.000000 0.002832 0.00000 SCALE2 0.000000 0.024179 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016519 0.00000