HEADER LIGASE 01-JUL-25 9VNW TITLE CRYSTAL STRUCTURE OF PYROCOCCUS ABYSSI AIR SYNTHETASE WITH AN N- TITLE 2 TERMINAL 54-RESIDUES DELETION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHORIBOSYLFORMYLGLYCINAMIDINE CYCLO-LIGASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: AIR SYNTHASE,AIRS,PHOSPHORIBOSYL-AMINOIMIDAZOLE SYNTHETASE; COMPND 5 EC: 6.3.3.1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PYROCOCCUS ABYSSI GE5; SOURCE 3 ORGANISM_TAXID: 272844; SOURCE 4 GENE: PURM, PYRAB16520, PAB1083; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PURINE SYNTHESIS, ATP HYDROLYSIS, LIGASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.H.CHEN,C.J.CHEN REVDAT 1 11-FEB-26 9VNW 0 JRNL AUTH Y.H.CHEN,Y.C.HUANG,R.G.R.RAO,H.C.CHANG,Y.H.LAN,A.NAKAGAWA, JRNL AUTH 2 J.JEYARAMAN,C.J.CHEN JRNL TITL STRUCTURAL INSIGHTS INTO SUBSTRATE BINDING, DOMAIN SWAPPING JRNL TITL 2 AND HEAT RESISTANCE OF A HYPERTHERMOSTABLE ARCHAEAL AIR JRNL TITL 3 SYNTHETASE. JRNL REF INT.J.BIOL.MACROMOL. V. 344 50493 2026 JRNL REFN ISSN 0141-8130 JRNL PMID 41581817 JRNL DOI 10.1016/J.IJBIOMAC.2026.150493 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.21.2_5419 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.66 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 13070 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.197 REMARK 3 R VALUE (WORKING SET) : 0.195 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.770 REMARK 3 FREE R VALUE TEST SET COUNT : 624 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 29.6600 - 3.9600 1.00 3224 183 0.1662 0.2030 REMARK 3 2 3.9600 - 3.1400 1.00 3106 149 0.2008 0.2535 REMARK 3 3 3.1400 - 2.7500 1.00 3067 139 0.2541 0.2650 REMARK 3 4 2.7500 - 2.5000 1.00 3049 153 0.2999 0.3713 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) : 0.393 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 28.677 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 66.38 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 77.41 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 : 0.003 2195 REMARK 3 ANGLE : 0.506 2970 REMARK 3 CHIRALITY : 0.046 343 REMARK 3 PLANARITY : 0.004 379 REMARK 3 DIHEDRAL : 4.725 301 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 54 THROUGH 158 ) REMARK 3 ORIGIN FOR THE GROUP (A): 4.7433 25.1820 -48.1690 REMARK 3 T TENSOR REMARK 3 T11: 0.5132 T22: 0.5911 REMARK 3 T33: 0.4349 T12: 0.0846 REMARK 3 T13: -0.0081 T23: 0.1084 REMARK 3 L TENSOR REMARK 3 L11: 3.4190 L22: 7.1863 REMARK 3 L33: 6.3736 L12: -3.0204 REMARK 3 L13: -0.7899 L23: 2.1656 REMARK 3 S TENSOR REMARK 3 S11: -0.0131 S12: 0.0844 S13: 0.2377 REMARK 3 S21: -0.4095 S22: 0.2132 S23: -0.1060 REMARK 3 S31: -0.3559 S32: -0.6474 S33: -0.2084 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 159 THROUGH 173 ) REMARK 3 ORIGIN FOR THE GROUP (A): -2.7590 39.4492 -22.7801 REMARK 3 T TENSOR REMARK 3 T11: 0.7206 T22: 1.1569 REMARK 3 T33: 0.7312 T12: 0.2076 REMARK 3 T13: -0.0004 T23: -0.0742 REMARK 3 L TENSOR REMARK 3 L11: 4.3469 L22: 4.0437 REMARK 3 L33: 8.4074 L12: -2.7040 REMARK 3 L13: 4.7103 L23: -1.2480 REMARK 3 S TENSOR REMARK 3 S11: -0.2438 S12: -0.0621 S13: 0.2070 REMARK 3 S21: -0.0162 S22: -0.3631 S23: 0.1306 REMARK 3 S31: -1.3531 S32: -1.2534 S33: 0.4513 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 174 THROUGH 334 ) REMARK 3 ORIGIN FOR THE GROUP (A): 3.3583 19.0854 -26.8852 REMARK 3 T TENSOR REMARK 3 T11: 0.3712 T22: 0.6548 REMARK 3 T33: 0.4881 T12: -0.0049 REMARK 3 T13: -0.0256 T23: 0.0931 REMARK 3 L TENSOR REMARK 3 L11: 1.8209 L22: 4.5205 REMARK 3 L33: 6.0040 L12: -0.0485 REMARK 3 L13: -0.2237 L23: 2.2191 REMARK 3 S TENSOR REMARK 3 S11: 0.0522 S12: -0.3860 S13: -0.0924 REMARK 3 S21: 0.1369 S22: -0.1593 S23: 0.0566 REMARK 3 S31: 0.5327 S32: -0.5312 S33: 0.0511 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 9VNW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 02-JUL-25. REMARK 100 THE DEPOSITION ID IS D_1300054135. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-SEP-24 REMARK 200 TEMPERATURE (KELVIN) : 80 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSRRC REMARK 200 BEAMLINE : TPS 07A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97625 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS V20200131 REMARK 200 DATA SCALING SOFTWARE : XDS V20200131 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13070 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 8.300 REMARK 200 R MERGE (I) : 0.06400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 18.5700 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.75 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 8.70 REMARK 200 R MERGE FOR SHELL (I) : 0.51600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.970 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX 1.21.2_5419 REMARK 200 STARTING MODEL: 9K00 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.97 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.93 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: JEFFAMINE T-403, JEFFAMINE ED-2003, REMARK 280 TRIS, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 3555 -Y,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X,Z+3/4 REMARK 290 5555 -X+1/2,Y,-Z+3/4 REMARK 290 6555 X,-Y+1/2,-Z+1/4 REMARK 290 7555 Y+1/2,X+1/2,-Z+1/2 REMARK 290 8555 -Y,-X,-Z REMARK 290 9555 X+1/2,Y+1/2,Z+1/2 REMARK 290 10555 -X,-Y,Z REMARK 290 11555 -Y+1/2,X,Z+3/4 REMARK 290 12555 Y,-X+1/2,Z+1/4 REMARK 290 13555 -X,Y+1/2,-Z+1/4 REMARK 290 14555 X+1/2,-Y,-Z+3/4 REMARK 290 15555 Y,X,-Z REMARK 290 16555 -Y+1/2,-X+1/2,-Z+1/2 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 44.34650 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 44.34650 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 91.30000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 44.34650 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 45.65000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 44.34650 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 136.95000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 44.34650 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 136.95000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 44.34650 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 45.65000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 44.34650 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 44.34650 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 91.30000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 1.000000 0.000000 0.000000 44.34650 REMARK 290 SMTRY2 9 0.000000 1.000000 0.000000 44.34650 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 91.30000 REMARK 290 SMTRY1 10 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 11 0.000000 -1.000000 0.000000 44.34650 REMARK 290 SMTRY2 11 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 1.000000 136.95000 REMARK 290 SMTRY1 12 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 12 -1.000000 0.000000 0.000000 44.34650 REMARK 290 SMTRY3 12 0.000000 0.000000 1.000000 45.65000 REMARK 290 SMTRY1 13 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 44.34650 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 45.65000 REMARK 290 SMTRY1 14 1.000000 0.000000 0.000000 44.34650 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 136.95000 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 15 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 44.34650 REMARK 290 SMTRY2 16 -1.000000 0.000000 0.000000 44.34650 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 91.30000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1170 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23230 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -9.0 KCAL/MOL 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 0.000000 -1.000000 0.000000 44.34650 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 44.34650 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -91.30000 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 HIS A 184 -126.89 56.98 REMARK 500 THR A 241 -127.61 -115.01 REMARK 500 VAL A 283 -51.86 -135.10 REMARK 500 REMARK 500 REMARK: NULL DBREF 9VNW A 56 334 UNP Q9UY56 PUR5_PYRAB 56 334 SEQADV 9VNW GLY A 54 UNP Q9UY56 EXPRESSION TAG SEQADV 9VNW ALA A 55 UNP Q9UY56 EXPRESSION TAG SEQRES 1 A 281 GLY ALA LEU ALA MET THR THR ASP GLY VAL GLY THR LYS SEQRES 2 A 281 VAL LEU VAL ALA GLU ALA VAL GLY LYS PHE ASP THR ILE SEQRES 3 A 281 GLY ILE ASP MET ILE ALA MET ASN VAL ASN ASP LEU LEU SEQRES 4 A 281 CYS VAL GLY ALA GLU PRO LEU ALA LEU VAL ASP TYR PHE SEQRES 5 A 281 ALA VAL LYS GLU PRO ASN GLU GLU VAL PHE LYS GLN VAL SEQRES 6 A 281 ALA LYS GLY LEU TYR LYS GLY ALA GLU GLU ALA GLY VAL SEQRES 7 A 281 ALA ILE VAL GLY GLY GLU THR ALA VAL MET PRO ASP LEU SEQRES 8 A 281 ILE ASN GLY TYR ASP LEU ALA GLY THR ALA ILE GLY ILE SEQRES 9 A 281 VAL GLU LYS GLY LYS VAL ILE THR GLY GLU ARG ILE ARG SEQRES 10 A 281 PRO GLY ASP SER VAL ILE GLY ILE SER SER SER GLY ILE SEQRES 11 A 281 HIS SER ASN GLY LEU THR LEU ALA ARG LYS LEU LEU ILE SEQRES 12 A 281 PRO LYS TYR GLY LEU ASP TYR GLU TYR GLU GLY ARG LYS SEQRES 13 A 281 LEU TRP GLU TRP LEU LEU GLU PRO THR ARG ILE TYR VAL SEQRES 14 A 281 ARG PRO ILE LEU GLU LEU ILE ASN SER VAL GLU VAL HIS SEQRES 15 A 281 GLY LEU ALA HIS ILE THR GLY GLY GLY LEU LEU ASN LEU SEQRES 16 A 281 LYS ARG LEU THR ASN TYR GLY PHE GLU LEU GLU MET PRO SEQRES 17 A 281 PRO ILE GLU GLY ILE PHE LYS LEU ILE HIS GLU ASN GLY SEQRES 18 A 281 VAL PRO LEU ASP GLU MET PHE ARG VAL PHE ASN MET GLY SEQRES 19 A 281 VAL GLY PHE ILE VAL VAL VAL PRO GLN GLU GLU LYS GLU SEQRES 20 A 281 GLU ALA LEU GLU ILE LEU SER ARG HIS TYR LYS SER TYR SEQRES 21 A 281 GLU LEU GLY ASN VAL THR ARG GLU LEU GLY LYS ILE LYS SEQRES 22 A 281 VAL LYS ASN TYR GLY ILE THR LEU FORMUL 2 HOH *18(H2 O) HELIX 1 AA1 THR A 65 GLY A 74 1 10 HELIX 2 AA2 THR A 78 CYS A 93 1 16 HELIX 3 AA3 ASN A 111 GLY A 130 1 20 HELIX 4 AA4 GLY A 187 GLY A 200 1 14 HELIX 5 AA5 LEU A 210 GLU A 216 1 7 HELIX 6 AA6 TYR A 221 ILE A 229 1 9 HELIX 7 AA7 GLY A 243 LEU A 251 5 9 HELIX 8 AA8 GLY A 265 ASN A 273 1 9 HELIX 9 AA9 PRO A 276 ARG A 282 1 7 HELIX 10 AB1 PRO A 295 GLU A 297 5 3 HELIX 11 AB2 GLU A 298 TYR A 310 1 13 HELIX 12 AB3 ASN A 329 GLY A 331 5 3 SHEET 1 AA1 4 ALA A 55 GLY A 62 0 SHEET 2 AA1 4 TYR A 148 VAL A 158 -1 O VAL A 158 N ALA A 55 SHEET 3 AA1 4 GLU A 97 VAL A 107 -1 N LEU A 99 O ILE A 155 SHEET 4 AA1 4 ALA A 132 VAL A 140 1 O ALA A 139 N VAL A 107 SHEET 1 AA2 7 GLY A 236 HIS A 239 0 SHEET 2 AA2 7 VAL A 288 VAL A 294 -1 O ILE A 291 N ALA A 238 SHEET 3 AA2 7 SER A 174 SER A 179 -1 N ILE A 178 O PHE A 290 SHEET 4 AA2 7 SER A 312 LEU A 322 -1 O TYR A 313 N GLY A 177 SHEET 5 AA2 7 TYR A 254 LEU A 258 -1 N GLU A 257 O ASN A 317 SHEET 6 AA2 7 ILE A 325 VAL A 327 1 O LYS A 326 N LEU A 258 SHEET 7 AA2 7 ILE A 332 THR A 333 -1 O ILE A 332 N VAL A 327 SHEET 1 AA3 2 GLU A 204 TYR A 205 0 SHEET 2 AA3 2 ARG A 208 LYS A 209 -1 O ARG A 208 N TYR A 205 CRYST1 88.693 88.693 182.600 90.00 90.00 90.00 I 41 2 2 16 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 0.011275 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011275 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005476 0.00000 MASTER 311 0 0 12 13 0 0 6 2175 1 0 22 END