HEADER HYDROLASE 23-SEP-20 5RPH TITLE PANDDA ANALYSIS GROUP DEPOSITION -- PROTEINASE K CHANGED STATE MODEL TITLE 2 FOR FRAGMENT FRAG XTAL SCREEN A11A COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEINASE K; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ENDOPEPTIDASE K,TRITIRACHIUM ALKALINE PROTEINASE; COMPND 5 EC: 3.4.21.64; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PARENGYODONTIUM ALBUM; SOURCE 3 ORGANISM_TAXID: 37998; SOURCE 4 GENE: PROK; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS FRAGMAX, FRAGMAXAPP, FRAGMENT SCREENING, HYDROLASE, INHIBITION EXPDTA X-RAY DIFFRACTION AUTHOR G.M.A.LIMA,V.TALIBOV,L.S.BENZ,E.JAGUDIN,U.MUELLER REVDAT 3 30-OCT-24 5RPH 1 REMARK REVDAT 2 23-JUN-21 5RPH 1 JRNL REMARK ATOM REVDAT 1 26-MAY-21 5RPH 0 JRNL AUTH G.M.A.LIMA,E.JAGUDIN,V.O.TALIBOV,L.S.BENZ,C.MARULLO, JRNL AUTH 2 T.BARTHEL,J.WOLLENHAUPT,M.S.WEISS,U.MUELLER JRNL TITL FRAGMAXAPP: CRYSTALLOGRAPHIC FRAGMENT-SCREENING JRNL TITL 2 DATA-ANALYSIS AND PROJECT-MANAGEMENT SYSTEM. JRNL REF ACTA CRYSTALLOGR D STRUCT V. 77 799 2021 JRNL REF 2 BIOL JRNL REFN ISSN 2059-7983 JRNL PMID 34076593 JRNL DOI 10.1107/S2059798321003818 REMARK 2 REMARK 2 RESOLUTION. 1.38 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.19.1 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) : 1.38 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.27 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 50042 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.150 REMARK 3 R VALUE (WORKING SET) : 0.149 REMARK 3 FREE R VALUE : 0.157 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2452 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 29.2700 - 3.6200 1.00 2905 138 0.1764 0.1517 REMARK 3 2 3.6200 - 2.8700 1.00 2735 140 0.1508 0.1525 REMARK 3 3 2.8700 - 2.5100 1.00 2702 144 0.1407 0.1514 REMARK 3 4 2.5100 - 2.2800 1.00 2680 143 0.1318 0.1452 REMARK 3 5 2.2800 - 2.1200 1.00 2653 160 0.1264 0.1324 REMARK 3 6 2.1200 - 1.9900 1.00 2684 128 0.1246 0.1397 REMARK 3 7 1.9900 - 1.8900 1.00 2634 133 0.1214 0.1392 REMARK 3 8 1.8900 - 1.8100 1.00 2641 150 0.1240 0.1449 REMARK 3 9 1.8100 - 1.7400 1.00 2647 125 0.1328 0.1680 REMARK 3 10 1.7400 - 1.6800 1.00 2659 123 0.1279 0.1602 REMARK 3 11 1.6800 - 1.6300 1.00 2601 136 0.1348 0.1591 REMARK 3 12 1.6300 - 1.5800 1.00 2626 141 0.1475 0.1814 REMARK 3 13 1.5800 - 1.5400 1.00 2646 134 0.1609 0.2026 REMARK 3 14 1.5400 - 1.5000 1.00 2628 129 0.1725 0.1709 REMARK 3 15 1.5000 - 1.4700 1.00 2595 133 0.1713 0.2120 REMARK 3 16 1.4700 - 1.4400 1.00 2632 120 0.1821 0.1904 REMARK 3 17 1.4400 - 1.4100 1.00 2612 153 0.1934 0.2080 REMARK 3 18 1.4100 - 1.3800 0.89 2310 122 0.2645 0.2985 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) : 0.137 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 14.508 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 13.78 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 : 0.008 2085 REMARK 3 ANGLE : 1.036 2837 REMARK 3 CHIRALITY : 0.086 312 REMARK 3 PLANARITY : 0.009 372 REMARK 3 DIHEDRAL : 9.987 318 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 5RPH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-OCT-20. REMARK 100 THE DEPOSITION ID IS D_1001403508. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-MAR-19 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MAX IV REMARK 200 BEAMLINE : BIOMAX REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.954 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.7.4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 50131 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.380 REMARK 200 RESOLUTION RANGE LOW (A) : 29.270 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 1.900 REMARK 200 R MERGE (I) : 0.01500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.38 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.41 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.8 REMARK 200 DATA REDUNDANCY IN SHELL : 1.90 REMARK 200 R MERGE FOR SHELL (I) : 0.17000 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 2.8.3 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.41 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.2M AMMONIUM SULFATE, 0.1M TRIS-HCL, REMARK 280 PH 8.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 290K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 51.28500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 34.14000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 34.14000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 76.92750 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 34.14000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 34.14000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 25.64250 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 34.14000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 34.14000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 76.92750 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 34.14000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 34.14000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 25.64250 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 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 51.28500 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A1226 LIES ON A SPECIAL POSITION. REMARK 375 HOH A1360 LIES ON A SPECIAL POSITION. 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 27 CD OE1 OE2 REMARK 470 LYS A 87 CE NZ REMARK 470 LYS A 258 CD CE NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 1174 O HOH A 1294 1.90 REMARK 500 O HOH A 1336 O HOH A 1364 1.95 REMARK 500 O HOH A 1133 O HOH A 1309 1.96 REMARK 500 O HOH A 1109 O HOH A 1240 2.00 REMARK 500 O HOH A 1109 O HOH A 1313 2.02 REMARK 500 O HOH A 1331 O HOH A 1422 2.03 REMARK 500 OE1 GLN A 278 O HOH A 1101 2.04 REMARK 500 O HOH A 1372 O HOH A 1406 2.07 REMARK 500 O HOH A 1364 O HOH A 1369 2.08 REMARK 500 O HOH A 1132 O HOH A 1346 2.09 REMARK 500 O HOH A 1258 O HOH A 1293 2.09 REMARK 500 O HOH A 1341 O HOH A 1378 2.11 REMARK 500 O HOH A 1134 O HOH A 1279 2.11 REMARK 500 O HOH A 1118 O HOH A 1175 2.11 REMARK 500 O HOH A 1294 O HOH A 1389 2.14 REMARK 500 O HOH A 1179 O HOH A 1331 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 1395 O HOH A 1395 8665 1.60 REMARK 500 O HOH A 1355 O HOH A 1373 4565 1.99 REMARK 500 REMARK 500 REMARK: NULL 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 39 -145.69 -168.38 REMARK 500 ASN A 270 78.81 -110.51 REMARK 500 REMARK 500 REMARK: NULL DBREF 5RPH A 1 279 UNP P06873 PRTK_PARAQ 106 384 SEQADV 5RPH ASP A 207 UNP P06873 SER 312 CONFLICT SEQRES 1 A 279 ALA ALA GLN THR ASN ALA PRO TRP GLY LEU ALA ARG ILE SEQRES 2 A 279 SER SER THR SER PRO GLY THR SER THR TYR TYR TYR ASP SEQRES 3 A 279 GLU SER ALA GLY GLN GLY SER CYS VAL TYR VAL ILE ASP SEQRES 4 A 279 THR GLY ILE GLU ALA SER HIS PRO GLU PHE GLU GLY ARG SEQRES 5 A 279 ALA GLN MET VAL LYS THR TYR TYR TYR SER SER ARG ASP SEQRES 6 A 279 GLY ASN GLY HIS GLY THR HIS CYS ALA GLY THR VAL GLY SEQRES 7 A 279 SER ARG THR TYR GLY VAL ALA LYS LYS THR GLN LEU PHE SEQRES 8 A 279 GLY VAL LYS VAL LEU ASP ASP ASN GLY SER GLY GLN TYR SEQRES 9 A 279 SER THR ILE ILE ALA GLY MET ASP PHE VAL ALA SER ASP SEQRES 10 A 279 LYS ASN ASN ARG ASN CYS PRO LYS GLY VAL VAL ALA SER SEQRES 11 A 279 LEU SER LEU GLY GLY GLY TYR SER SER SER VAL ASN SER SEQRES 12 A 279 ALA ALA ALA ARG LEU GLN SER SER GLY VAL MET VAL ALA SEQRES 13 A 279 VAL ALA ALA GLY ASN ASN ASN ALA ASP ALA ARG ASN TYR SEQRES 14 A 279 SER PRO ALA SER GLU PRO SER VAL CYS THR VAL GLY ALA SEQRES 15 A 279 SER ASP ARG TYR ASP ARG ARG SER SER PHE SER ASN TYR SEQRES 16 A 279 GLY SER VAL LEU ASP ILE PHE GLY PRO GLY THR ASP ILE SEQRES 17 A 279 LEU SER THR TRP ILE GLY GLY SER THR ARG SER ILE SER SEQRES 18 A 279 GLY THR SER MET ALA THR PRO HIS VAL ALA GLY LEU ALA SEQRES 19 A 279 ALA TYR LEU MET THR LEU GLY LYS THR THR ALA ALA SER SEQRES 20 A 279 ALA CYS ARG TYR ILE ALA ASP THR ALA ASN LYS GLY ASP SEQRES 21 A 279 LEU SER ASN ILE PRO PHE GLY THR VAL ASN LEU LEU ALA SEQRES 22 A 279 TYR ASN ASN TYR GLN ALA HET SO4 A1001 5 HET L2K A1002 27 HETNAM SO4 SULFATE ION HETNAM L2K 3-[3,4-BIS(FLUORANYL)PHENYL]-1,4,6,7- HETNAM 2 L2K TETRAHYDROIMIDAZO[2,1-C][1,2,4]TRIAZINE FORMUL 2 SO4 O4 S 2- FORMUL 3 L2K C11 H10 F2 N4 FORMUL 4 HOH *338(H2 O) HELIX 1 AA1 PRO A 7 SER A 14 1 8 HELIX 2 AA2 HIS A 46 GLU A 50 5 5 HELIX 3 AA3 GLY A 68 SER A 79 1 12 HELIX 4 AA4 GLN A 103 LYS A 118 1 16 HELIX 5 AA5 ASN A 119 ARG A 121 5 3 HELIX 6 AA6 SER A 138 SER A 151 1 14 HELIX 7 AA7 ASP A 165 ARG A 167 5 3 HELIX 8 AA8 GLY A 222 LEU A 240 1 19 HELIX 9 AA9 SER A 247 ALA A 256 1 10 SHEET 1 AA1 2 ALA A 2 GLN A 3 0 SHEET 2 AA1 2 TYR A 23 TYR A 24 -1 O TYR A 23 N GLN A 3 SHEET 1 AA2 7 ALA A 53 THR A 58 0 SHEET 2 AA2 7 GLN A 89 LYS A 94 1 O GLY A 92 N VAL A 56 SHEET 3 AA2 7 SER A 33 ASP A 39 1 N VAL A 35 O GLN A 89 SHEET 4 AA2 7 GLY A 126 LEU A 131 1 O SER A 130 N TYR A 36 SHEET 5 AA2 7 VAL A 153 ALA A 158 1 O MET A 154 N ALA A 129 SHEET 6 AA2 7 CYS A 178 SER A 183 1 O CYS A 178 N VAL A 157 SHEET 7 AA2 7 ILE A 201 PRO A 204 1 O ILE A 201 N GLY A 181 SHEET 1 AA3 2 GLY A 135 GLY A 136 0 SHEET 2 AA3 2 TYR A 169 SER A 170 -1 O SER A 170 N GLY A 135 SHEET 1 AA4 2 ILE A 208 TRP A 212 0 SHEET 2 AA4 2 SER A 216 ILE A 220 -1 O ILE A 220 N ILE A 208 SHEET 1 AA5 2 ASN A 257 LYS A 258 0 SHEET 2 AA5 2 LEU A 271 LEU A 272 -1 O LEU A 272 N ASN A 257 SSBOND 1 CYS A 34 CYS A 123 1555 1555 2.02 SSBOND 2 CYS A 178 CYS A 249 1555 1555 2.13 CISPEP 1 SER A 170 PRO A 171 0 1.92 CRYST1 68.280 68.280 102.570 90.00 90.00 90.00 P 43 21 2 8 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 0.014646 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014646 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009749 0.00000