HEADER DE NOVO PROTEIN, MEMBRANE PROTEIN 09-OCT-15 5E5Z TITLE STRUCTURE OF THE AMYLOID FORMING PEPTIDE LVHSSN (RESIDUES COMPND MOL_ID: 1; COMPND 2 MOLECULE: LVHSSN (RESIDUES 16-21) FROM ISLET AMYLOID POLYPEPTIDE; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 4 ORGANISM_TAXID: 9606 KEYWDS AMYLOID-LIKE PROTOFIBRIL, DE NOVO PROTEIN, MEMBRANE PROTEIN, PROTEIN KEYWDS 2 FIBRIL EXPDTA X-RAY DIFFRACTION AUTHOR A.B.SORIAGA,D.EISENBERG REVDAT 4 06-MAR-24 5E5Z 1 JRNL REMARK REVDAT 3 20-JUL-16 5E5Z 1 JRNL REVDAT 2 20-JAN-16 5E5Z 1 JRNL REVDAT 1 16-DEC-15 5E5Z 0 JRNL AUTH A.B.SORIAGA,S.SANGWAN,R.MACDONALD,M.R.SAWAYA,D.EISENBERG JRNL TITL CRYSTAL STRUCTURES OF IAPP AMYLOIDOGENIC SEGMENTS REVEAL A JRNL TITL 2 NOVEL PACKING MOTIF OF OUT-OF-REGISTER BETA SHEETS. JRNL REF J.PHYS.CHEM.B V. 120 5810 2016 JRNL REFN ISSN 1089-5647 JRNL PMID 26629790 JRNL DOI 10.1021/ACS.JPCB.5B09981 REMARK 2 REMARK 2 RESOLUTION. 1.66 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.6.4_486 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 : LS_WUNIT_K1 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.66 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 9.46 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 89.1 REMARK 3 NUMBER OF REFLECTIONS : 391 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.170 REMARK 3 R VALUE (WORKING SET) : 0.167 REMARK 3 FREE R VALUE : 0.198 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.600 REMARK 3 FREE R VALUE TEST SET COUNT : 18 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 9.4587 - 1.6644 0.89 373 18 0.1673 0.1983 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 0.00 REMARK 3 SHRINKAGE RADIUS : 0.00 REMARK 3 K_SOL : 0.60 REMARK 3 B_SOL : 251.4 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.310 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.270 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) : 0.51090 REMARK 3 B22 (A**2) : -3.44720 REMARK 3 B33 (A**2) : -8.26450 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.77970 REMARK 3 B23 (A**2) : 0.00000 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 : 0.004 46 REMARK 3 ANGLE : 0.975 62 REMARK 3 CHIRALITY : 0.056 8 REMARK 3 PLANARITY : 0.004 8 REMARK 3 DIHEDRAL : 10.740 15 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 4.5323 0.1096 3.9760 REMARK 3 T TENSOR REMARK 3 T11: -0.1260 T22: -0.0788 REMARK 3 T33: -0.0487 T12: 0.0821 REMARK 3 T13: -0.0518 T23: 0.0723 REMARK 3 L TENSOR REMARK 3 L11: 0.1003 L22: 0.0184 REMARK 3 L33: 0.0647 L12: -0.0319 REMARK 3 L13: 0.0506 L23: -0.0233 REMARK 3 S TENSOR REMARK 3 S11: 0.0084 S12: -0.0300 S13: -0.0565 REMARK 3 S21: 0.0231 S22: 0.0090 S23: 0.0127 REMARK 3 S31: -0.0046 S32: -0.0049 S33: -0.0009 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 5E5Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-OCT-15. REMARK 100 THE DEPOSITION ID IS D_1000214421. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-MAR-10 REMARK 200 TEMPERATURE (KELVIN) : 291 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 24-ID-E REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 1136 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.9 REMARK 200 DATA REDUNDANCY : 2.900 REMARK 200 R MERGE (I) : 0.07600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.8600 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 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: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 6.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.32 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20 MG/ML IN WATER AND MIXED WITH 0.09 REMARK 280 M HEPES PH 7.5, 1.26M TRI-SODIUM CITRATE, AND 10% GLYCEROL, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K 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 4.80450 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: DECAMERIC 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 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 -9.60900 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 0.000000 1.000000 0.000000 9.60900 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 1.000000 0.000000 0.000000 9.64300 REMARK 350 BIOMT2 4 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 4 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 5 1.000000 0.000000 0.000000 9.64300 REMARK 350 BIOMT2 5 0.000000 1.000000 0.000000 -9.60900 REMARK 350 BIOMT3 5 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 6 1.000000 0.000000 0.000000 9.64300 REMARK 350 BIOMT2 6 0.000000 1.000000 0.000000 9.60900 REMARK 350 BIOMT3 6 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 7 -1.000000 0.000000 0.000000 9.64300 REMARK 350 BIOMT2 7 0.000000 1.000000 0.000000 -4.80450 REMARK 350 BIOMT3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 350 BIOMT1 8 -1.000000 0.000000 0.000000 9.64300 REMARK 350 BIOMT2 8 0.000000 1.000000 0.000000 4.80450 REMARK 350 BIOMT3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 350 BIOMT1 9 -1.000000 0.000000 0.000000 19.28600 REMARK 350 BIOMT2 9 0.000000 1.000000 0.000000 -4.80450 REMARK 350 BIOMT3 9 0.000000 0.000000 -1.000000 0.00000 REMARK 350 BIOMT1 10 -1.000000 0.000000 0.000000 19.28600 REMARK 350 BIOMT2 10 0.000000 1.000000 0.000000 4.80450 REMARK 350 BIOMT3 10 0.000000 0.000000 -1.000000 0.00000 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5E5V RELATED DB: PDB REMARK 900 RELATED ID: 5E5X RELATED DB: PDB REMARK 900 RELATED ID: 5E61 RELATED DB: PDB DBREF 5E5Z A 1 6 PDB 5E5Z 5E5Z 1 6 SEQRES 1 A 6 LEU VAL HIS SER SER ASN FORMUL 2 HOH *(H2 O) CRYST1 9.643 9.609 19.029 90.00 101.22 90.00 P 1 21 1 2 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 0.103702 0.000000 0.020579 0.00000 SCALE2 0.000000 0.104069 0.000000 0.00000 SCALE3 0.000000 0.000000 0.053576 0.00000 ATOM 1 N LEU A 1 6.078 -0.306 -5.753 1.00 0.00 N ANISOU 1 N LEU A 1 0 0 0 0 0 0 N ATOM 2 CA LEU A 1 5.166 -0.026 -4.647 1.00 2.42 C ANISOU 2 CA LEU A 1 307 307 307 0 0 0 C ATOM 3 C LEU A 1 5.682 -0.642 -3.356 1.00 3.48 C ANISOU 3 C LEU A 1 435 443 445 1 1 9 C ATOM 4 O LEU A 1 6.056 -1.814 -3.322 1.00 3.52 O ANISOU 4 O LEU A 1 436 449 454 2 2 16 O ATOM 5 CB LEU A 1 3.755 -0.555 -4.967 1.00 1.86 C ANISOU 5 CB LEU A 1 232 237 238 1 1 5 C ATOM 6 CG LEU A 1 2.596 -0.354 -3.975 1.00 6.87 C ANISOU 6 CG LEU A 1 861 873 877 2 2 14 C ATOM 7 CD1 LEU A 1 2.753 -1.182 -2.704 1.00 11.83 C ANISOU 7 CD1 LEU A 1 1481 1504 1512 4 4 27 C ATOM 8 CD2 LEU A 1 2.404 1.122 -3.638 1.00 4.27 C ANISOU 8 CD2 LEU A 1 537 543 544 1 2 7 C ATOM 9 N VAL A 2 5.715 0.161 -2.297 1.00 0.61 N ANISOU 9 N VAL A 2 71 80 82 2 2 11 N ATOM 10 CA VAL A 2 5.968 -0.352 -0.960 1.00 0.12 C ANISOU 10 CA VAL A 2 1 20 24 4 4 22 C ATOM 11 C VAL A 2 4.976 0.281 0.000 1.00 3.40 C ANISOU 11 C VAL A 2 413 437 440 5 5 27 C ATOM 12 O VAL A 2 4.746 1.489 -0.046 1.00 3.22 O ANISOU 12 O VAL A 2 395 414 414 4 5 20 O ATOM 13 CB VAL A 2 7.400 -0.027 -0.475 1.00 3.56 C ANISOU 13 CB VAL A 2 440 456 458 3 3 18 C ATOM 14 CG1 VAL A 2 7.566 -0.421 0.993 1.00 7.93 C ANISOU 14 CG1 VAL A 2 986 1012 1016 5 5 30 C ATOM 15 CG2 VAL A 2 8.429 -0.722 -1.342 1.00 6.71 C ANISOU 15 CG2 VAL A 2 841 853 856 2 2 14 C ATOM 16 N HIS A 3 4.367 -0.537 0.850 1.00 0.22 N ANISOU 16 N HIS A 3 1 38 44 7 8 41 N ATOM 17 CA HIS A 3 3.603 -0.011 1.971 1.00 1.73 C ANISOU 17 CA HIS A 3 189 233 237 10 10 48 C ATOM 18 C HIS A 3 4.003 -0.675 3.280 1.00 1.84 C ANISOU 18 C HIS A 3 194 250 255 12 12 61 C ATOM 19 O HIS A 3 4.208 -1.889 3.338 1.00 0.73 O ANISOU 19 O HIS A 3 47 109 120 11 12 69 O ATOM 20 CB HIS A 3 2.095 -0.177 1.781 1.00 2.62 C ANISOU 20 CB HIS A 3 296 346 351 11 11 54 C ATOM 21 CG HIS A 3 1.324 0.074 3.040 1.00 2.97 C ANISOU 21 CG HIS A 3 335 396 399 14 14 66 C ATOM 22 ND1 HIS A 3 0.950 -0.937 3.900 1.00 4.29 N ANISOU 22 ND1 HIS A 3 491 566 573 16 17 82 N ATOM 23 CD2 HIS A 3 0.921 1.230 3.620 1.00 4.90 C ANISOU 23 CD2 HIS A 3 581 642 639 16 16 64 C ATOM 24 CE1 HIS A 3 0.321 -0.417 4.940 1.00 5.53 C ANISOU 24 CE1 HIS A 3 644 727 729 20 20 89 C ATOM 25 NE2 HIS A 3 0.290 0.896 4.794 1.00 6.02 N ANISOU 25 NE2 HIS A 3 714 790 785 20 19 78 N ATOM 26 N SER A 4 4.099 0.141 4.326 1.00 0.34 N ANISOU 26 N SER A 4 3 63 63 14 14 62 N ATOM 27 CA SER A 4 4.357 -0.330 5.683 1.00 1.49 C ANISOU 27 CA SER A 4 141 213 213 16 16 75 C ATOM 28 C SER A 4 3.814 0.686 6.681 1.00 2.14 C ANISOU 28 C SER A 4 222 299 292 20 19 78 C ATOM 29 O SER A 4 4.008 1.889 6.507 1.00 3.47 O ANISOU 29 O SER A 4 397 465 454 19 18 68 O ATOM 30 CB SER A 4 5.858 -0.513 5.905 1.00 5.61 C ANISOU 30 CB SER A 4 665 734 734 15 15 72 C ATOM 31 OG SER A 4 6.132 -0.771 7.272 1.00 9.89 O ANISOU 31 OG SER A 4 1200 1280 1278 18 18 83 O ATOM 32 N SER A 5 3.138 0.213 7.725 1.00 2.34 N ANISOU 32 N SER A 5 239 330 322 24 23 93 N ATOM 33 CA SER A 5 2.651 1.119 8.765 1.00 0.66 C ANISOU 33 CA SER A 5 24 123 106 28 26 97 C ATOM 34 C SER A 5 3.677 1.311 9.885 1.00 2.66 C ANISOU 34 C SER A 5 275 378 356 30 27 100 C ATOM 35 O SER A 5 3.411 2.024 10.851 1.00 2.02 O ANISOU 35 O SER A 5 193 303 273 35 30 104 O ATOM 36 CB SER A 5 1.318 0.639 9.350 1.00 2.68 C ANISOU 36 CB SER A 5 269 383 365 32 29 113 C ATOM 37 OG SER A 5 1.478 -0.544 10.117 1.00 2.49 O ANISOU 37 OG SER A 5 236 363 349 33 31 128 O ATOM 38 N ASN A 6 4.838 0.672 9.758 1.00 2.94 N ANISOU 38 N ASN A 6 311 412 394 28 25 98 N ATOM 39 CA ASN A 6 5.912 0.838 10.741 1.00 4.68 C ANISOU 39 CA ASN A 6 530 634 613 29 26 100 C ATOM 40 C ASN A 6 6.574 2.203 10.638 1.00 10.84 C ANISOU 40 C ASN A 6 1320 1413 1387 28 24 87 C ATOM 41 O ASN A 6 7.335 2.594 11.519 1.00 13.68 O ANISOU 41 O ASN A 6 1680 1775 1745 30 26 88 O ATOM 42 CB ASN A 6 6.986 -0.243 10.589 1.00 5.08 C ANISOU 42 CB ASN A 6 579 682 668 27 25 102 C ATOM 43 CG ASN A 6 6.592 -1.558 11.236 1.00 8.08 C ANISOU 43 CG ASN A 6 948 1067 1057 28 27 120 C ATOM 44 OD1 ASN A 6 5.576 -1.644 11.923 1.00 8.72 O ANISOU 44 OD1 ASN A 6 1022 1152 1139 32 30 131 O ATOM 45 ND2 ASN A 6 7.409 -2.588 11.030 1.00 9.89 N ANISOU 45 ND2 ASN A 6 1174 1293 1290 25 25 122 N ATOM 46 OXT ASN A 6 6.383 2.933 9.667 1.00 14.02 O ANISOU 46 OXT ASN A 6 1730 1811 1787 25 22 75 O TER 47 ASN A 6 HETATM 48 O HOH A 101 8.203 1.052 -4.564 1.00 12.67 O ANISOU 48 O HOH A 101 1605 1605 1605 0 0 0 O MASTER 227 0 0 0 0 0 0 6 47 1 0 1 END