HEADER FLUORESCENT PROTEIN 26-MAY-25 9V5J TITLE LIGHT DRIVEN CO2 REDUCTION BY FLUORESCENT PROTEIN MRUBY-CO2M1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: FLUORESCENT PROTEIN MRUBY; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTACMAEA QUADRICOLOR; SOURCE 3 ORGANISM_TAXID: 6118; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS BICARBONATE REDUCTION, GREEN CATALYSIS, CARBON FIXATION, PHOTONZYME, KEYWDS 2 FLUORESCENT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.S.DONG REVDAT 1 10-JUN-26 9V5J 0 JRNL AUTH J.S.DONG JRNL TITL OBSERVATION OF LIGHT DRIVEN CO2 PHOTOREDUCTION BY JRNL TITL 2 FLUORESCENT PROTEIN MRUBY JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.74 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0430 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.74 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.93 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 20276 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.219 REMARK 3 R VALUE (WORKING SET) : 0.218 REMARK 3 FREE R VALUE : 0.237 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1084 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.74 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.79 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1430 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.48 REMARK 3 BIN R VALUE (WORKING SET) : 0.3060 REMARK 3 BIN FREE R VALUE SET COUNT : 86 REMARK 3 BIN FREE R VALUE : 0.2990 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1724 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 51 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.81 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.84000 REMARK 3 B22 (A**2) : 0.61000 REMARK 3 B33 (A**2) : 0.23000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.145 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.126 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.103 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.880 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.951 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.951 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1831 ; 0.004 ; 0.012 REMARK 3 BOND LENGTHS OTHERS (A): 1694 ; 0.003 ; 0.016 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2474 ; 1.419 ; 1.839 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3919 ; 0.481 ; 1.758 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 229 ; 7.361 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 19 ; 7.978 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 318 ;12.936 ;10.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 255 ; 0.069 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2173 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 427 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 901 ; 1.307 ; 2.074 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 901 ; 1.307 ; 2.074 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1135 ; 2.061 ; 3.718 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1136 ; 2.060 ; 3.717 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 930 ; 1.946 ; 2.343 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 930 ; 1.946 ; 2.343 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1340 ; 3.173 ; 4.177 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 1854 ; 4.427 ;21.300 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 1850 ; 4.422 ;21.290 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 9V5J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 30-MAY-25. REMARK 100 THE DEPOSITION ID IS D_1300059847. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-OCT-24 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 : SSRF REMARK 200 BEAMLINE : BL02U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97918 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 S 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XIA2 REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21446 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.740 REMARK 200 RESOLUTION RANGE LOW (A) : 38.930 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 12.00 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.74 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.79 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: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.49 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M NH4HCO3, 0.2M (NH4)2SO4, 0.1M REMARK 280 BISTRIS PH6.5, 24%PEG3350, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 33.49950 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 15.66450 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 47.83100 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 15.66450 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.49950 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 47.83100 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 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 PHE A 67 59.44 -100.44 REMARK 500 LYS A 136 38.01 -141.96 REMARK 500 REMARK 500 REMARK: NULL DBREF 9V5J A 3 220 PDB 9V5J 9V5J 3 220 SEQRES 1 A 218 SER LEU ILE LYS GLU ASN MET ARG MET LYS VAL VAL LEU SEQRES 2 A 218 GLU GLY SER VAL ASN GLY HIS GLN PHE LYS CYS THR GLY SEQRES 3 A 218 GLU GLY GLU GLY ASN PRO TYR MET GLY THR GLN THR MET SEQRES 4 A 218 ARG ILE LYS VAL ILE GLU GLY GLY PRO LEU PRO PHE ALA SEQRES 5 A 218 PHE ASP ILE LEU ALA THR SER PHE NRQ SER ARG THR PHE SEQRES 6 A 218 ILE LYS TYR PRO LYS GLY ILE PRO ASP PHE PHE LYS GLN SEQRES 7 A 218 SER PHE PRO GLU GLY PHE THR TRP GLU ARG VAL THR ARG SEQRES 8 A 218 TYR GLU ASP GLY GLY VAL ILE THR VAL MET GLN ASP THR SEQRES 9 A 218 SER LEU GLU ASP GLY CYS LEU VAL TYR HIS ALA GLN VAL SEQRES 10 A 218 ARG GLY VAL ASN PHE PRO SER ASN GLY ALA VAL MET GLN SEQRES 11 A 218 LYS LYS THR LYS GLY TRP GLU PRO ASN THR GLU MET MET SEQRES 12 A 218 TYR PRO ALA ASP GLY GLY LEU ARG GLY TYR THR HIS MET SEQRES 13 A 218 ALA LEU LYS VAL ASP GLY GLY GLY HIS LEU SER CYS SER SEQRES 14 A 218 PHE VAL THR THR TYR ARG SER LYS LYS THR VAL GLY ASN SEQRES 15 A 218 ILE LYS MET PRO GLY ILE HIS ALA VAL SER HIS ARG LEU SEQRES 16 A 218 GLU ARG LEU GLU GLU SER ASP ASN GLU MET PHE VAL VAL SEQRES 17 A 218 GLN ARG GLU HIS ALA VAL ALA LYS PHE ALA HET NRQ A 63 23 HET CO2 A 301 3 HETNAM NRQ {(4Z)-4-(4-HYDROXYBENZYLIDENE)-2-[3-(METHYLTHIO) HETNAM 2 NRQ PROPANIMIDOYL]-5-OXO-4,5-DIHYDRO-1H-IMIDAZOL-1- HETNAM 3 NRQ YL}ACETIC ACID HETNAM CO2 CARBON DIOXIDE HETSYN NRQ CHROMOPHORE (MET-TYR-GLY) FORMUL 1 NRQ C16 H17 N3 O4 S FORMUL 2 CO2 C O2 FORMUL 3 HOH *51(H2 O) HELIX 1 AA1 PHE A 55 THR A 60 1 6 HELIX 2 AA2 ASP A 76 SER A 81 1 6 HELIX 3 AA3 GLY A 128 LYS A 133 1 6 SHEET 1 AA113 THR A 135 TRP A 138 0 SHEET 2 AA113 GLY A 151 VAL A 162 -1 O LYS A 161 N LYS A 136 SHEET 3 AA113 HIS A 167 SER A 178 -1 O LEU A 168 N LEU A 160 SHEET 4 AA113 PHE A 86 TYR A 94 -1 N GLU A 89 O THR A 175 SHEET 5 AA113 VAL A 99 GLU A 109 -1 O ILE A 100 N THR A 92 SHEET 6 AA113 CYS A 112 VAL A 122 -1 O CYS A 112 N GLU A 109 SHEET 7 AA113 MET A 9 VAL A 19 1 N LYS A 12 O TYR A 115 SHEET 8 AA113 HIS A 22 ASN A 33 -1 O CYS A 26 N LEU A 15 SHEET 9 AA113 THR A 38 GLU A 47 -1 O LYS A 44 N THR A 27 SHEET 10 AA113 PHE A 208 LYS A 218 -1 O VAL A 209 N ILE A 43 SHEET 11 AA113 HIS A 191 GLU A 202 -1 N ALA A 192 O LYS A 218 SHEET 12 AA113 ASN A 141 ALA A 148 -1 N GLU A 143 O VAL A 193 SHEET 13 AA113 GLY A 151 VAL A 162 -1 O TYR A 155 N MET A 144 LINK C PHE A 62 N1 NRQ A 63 1555 1555 1.27 LINK C3 NRQ A 63 N SER A 64 1555 1555 1.34 CISPEP 1 GLY A 49 PRO A 50 0 -5.02 CISPEP 2 PHE A 82 PRO A 83 0 10.33 CRYST1 66.999 95.662 31.329 90.00 90.00 90.00 P 21 21 21 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 0.014926 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010453 0.000000 0.00000 SCALE3 0.000000 0.000000 0.031919 0.00000 CONECT 466 475 CONECT 475 466 480 CONECT 476 477 CONECT 477 476 478 CONECT 478 477 479 CONECT 479 478 480 CONECT 480 475 479 481 CONECT 481 480 482 494 CONECT 482 481 491 CONECT 483 486 CONECT 484 485 489 CONECT 485 484 486 CONECT 486 483 485 487 CONECT 487 486 488 CONECT 488 487 489 CONECT 489 484 488 490 CONECT 490 489 491 CONECT 491 482 490 492 CONECT 492 491 493 494 CONECT 493 492 CONECT 494 481 492 495 CONECT 495 494 496 CONECT 496 495 497 498 CONECT 497 496 CONECT 498 496 CONECT 1781 1782 1783 CONECT 1782 1781 CONECT 1783 1781 MASTER 254 0 2 3 13 0 0 6 1778 1 28 17 END