HEADER HYDROLASE/INHIBITOR 10-NOV-22 8F46 TITLE CRYSTAL STRUCTURE OF SARS-COV-2 3CL PROTEASE IN COMPLEX WITH A TITLE 2 DIMETHYL PHENYL SULFANE INHIBITOR (CYANO WARHEAD) COMPND MOL_ID: 1; COMPND 2 MOLECULE: 3C-LIKE PROTEINASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: 3CL-PRO, 3CLP, MAIN PROTEASE, MPRO, NON-STRUCTURAL PROTEIN COMPND 5 5, NSP5, SARS CORONAVIRUS MAIN PROTEINASE; COMPND 6 EC: 3.4.22.69; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS SOURCE 3 2; SOURCE 4 ORGANISM_TAXID: 2697049; SOURCE 5 GENE: REP, 1A-1B; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-28 KEYWDS HYDROLASE, HYDROLASE-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR L.LIU,S.LOVELL,A.COOPER,K.P.BATTAILE,C.S.DAMPALLA,W.C.GROUTAS REVDAT 5 06-NOV-24 8F46 1 REMARK REVDAT 4 01-MAY-24 8F46 1 JRNL REVDAT 3 25-OCT-23 8F46 1 REMARK REVDAT 2 26-APR-23 8F46 1 JRNL REVDAT 1 23-NOV-22 8F46 0 JRNL AUTH C.S.DAMPALLA,M.J.MILLER,Y.KIM,A.ZABIEGALA,H.N.NGUYEN, JRNL AUTH 2 T.K.MADDEN,H.A.THURMAN,A.J.MACHEN,A.COOPER,L.LIU, JRNL AUTH 3 K.P.BATTAILE,S.LOVELL,K.O.CHANG,W.C.GROUTAS JRNL TITL STRUCTURE-GUIDED DESIGN OF DIRECT-ACTING ANTIVIRALS THAT JRNL TITL 2 EXPLOIT THE GEM-DIMETHYL EFFECT AND POTENTLY INHIBIT 3CL JRNL TITL 3 PROTEASES OF SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS-2 JRNL TITL 4 (SARS-COV-2) AND MIDDLE EAST RESPIRATORY SYNDROME JRNL TITL 5 CORONAVIRUS (MERS-COV). JRNL REF EUR.J.MED.CHEM. V. 254 15376 2023 JRNL REFN ISSN 0223-5234 JRNL PMID 37080108 JRNL DOI 10.1016/J.EJMECH.2023.115376 REMARK 2 REMARK 2 RESOLUTION. 1.50 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) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 55.82 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 94405 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.221 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4721 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 55.8200 - 4.6600 1.00 3088 136 0.1579 0.1901 REMARK 3 2 4.6600 - 3.7000 1.00 2993 168 0.1359 0.1679 REMARK 3 3 3.7000 - 3.2300 1.00 3009 177 0.1659 0.1962 REMARK 3 4 3.2300 - 2.9400 1.00 2991 159 0.1833 0.2189 REMARK 3 5 2.9400 - 2.7300 1.00 2992 176 0.1863 0.2410 REMARK 3 6 2.7300 - 2.5600 1.00 2985 179 0.1913 0.2200 REMARK 3 7 2.5600 - 2.4400 1.00 2985 153 0.1878 0.2123 REMARK 3 8 2.4400 - 2.3300 1.00 3017 144 0.1900 0.2299 REMARK 3 9 2.3300 - 2.2400 1.00 2954 173 0.1894 0.2173 REMARK 3 10 2.2400 - 2.1600 1.00 2996 161 0.1878 0.2366 REMARK 3 11 2.1600 - 2.1000 1.00 2990 162 0.2030 0.2408 REMARK 3 12 2.1000 - 2.0400 1.00 2958 177 0.2155 0.2707 REMARK 3 13 2.0400 - 1.9800 1.00 3012 162 0.2044 0.2314 REMARK 3 14 1.9800 - 1.9300 1.00 3038 144 0.2023 0.2357 REMARK 3 15 1.9300 - 1.8900 1.00 2936 144 0.2030 0.2273 REMARK 3 16 1.8900 - 1.8500 1.00 3025 142 0.2145 0.2438 REMARK 3 17 1.8500 - 1.8100 1.00 3010 165 0.2129 0.2485 REMARK 3 18 1.8100 - 1.7800 1.00 2956 146 0.2272 0.2435 REMARK 3 19 1.7800 - 1.7500 1.00 3033 147 0.2362 0.2811 REMARK 3 20 1.7500 - 1.7200 1.00 2951 155 0.2492 0.3275 REMARK 3 21 1.7200 - 1.6900 1.00 3039 131 0.2405 0.2944 REMARK 3 22 1.6900 - 1.6600 1.00 2964 153 0.2420 0.2833 REMARK 3 23 1.6600 - 1.6400 1.00 2973 163 0.2448 0.2816 REMARK 3 24 1.6400 - 1.6200 1.00 2992 147 0.2586 0.3024 REMARK 3 25 1.6200 - 1.5900 1.00 2962 160 0.2522 0.2857 REMARK 3 26 1.5900 - 1.5700 1.00 2991 147 0.2591 0.2522 REMARK 3 27 1.5700 - 1.5500 0.99 2959 160 0.2603 0.3083 REMARK 3 28 1.5500 - 1.5300 0.99 2966 178 0.2714 0.3569 REMARK 3 29 1.5300 - 1.5200 0.99 2978 150 0.2885 0.2965 REMARK 3 30 1.5200 - 1.5000 0.99 2941 162 0.2843 0.3318 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) : 0.170 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.440 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) : 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 : 0.009 4862 REMARK 3 ANGLE : 1.009 6623 REMARK 3 CHIRALITY : 0.055 746 REMARK 3 PLANARITY : 0.010 863 REMARK 3 DIHEDRAL : 14.501 1747 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 8F46 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-NOV-22. REMARK 100 THE DEPOSITION ID IS D_1000269933. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-OCT-22 REMARK 200 TEMPERATURE (KELVIN) : 291 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS-II REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9795 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI 111 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 XE 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 94446 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 98.240 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 5.900 REMARK 200 R MERGE (I) : 0.04900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.54 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 6.20 REMARK 200 R MERGE FOR SHELL (I) : 1.04700 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: 6XMK REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.41 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.21 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% (W/V) PEG 1500, 100 MM PCTP, PH REMARK 280 7.0, VAPOR DIFFUSION, SITTING 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 49.12000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2230 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 25320 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 SER A -3 REMARK 465 ASN A -2 REMARK 465 ILE A -1 REMARK 465 GLY A 0 REMARK 465 SER A 1 REMARK 465 GLY A 302 REMARK 465 VAL A 303 REMARK 465 THR A 304 REMARK 465 PHE A 305 REMARK 465 SER B -3 REMARK 465 ASN B -2 REMARK 465 ILE B -1 REMARK 465 GLY B 0 REMARK 465 GLY B 302 REMARK 465 VAL B 303 REMARK 465 THR B 304 REMARK 465 PHE B 305 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 47 CG CD OE1 OE2 REMARK 470 MET A 49 CG SD CE REMARK 470 LEU A 50 CG CD1 CD2 REMARK 470 ASN A 72 CG OD1 ND2 REMARK 470 ASP A 153 CG OD1 OD2 REMARK 470 TYR A 154 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASN A 277 CG OD1 ND2 REMARK 470 ARG A 279 NE CZ NH1 NH2 REMARK 470 PHE A 294 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ARG A 298 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 100 CG CD CE NZ REMARK 470 ASP B 153 CG OD1 OD2 REMARK 470 TYR B 154 CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASN B 277 CG OD1 ND2 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 33 -125.48 51.70 REMARK 500 ASN A 51 85.19 -153.38 REMARK 500 ASN A 84 -123.69 51.78 REMARK 500 TYR A 154 -123.90 64.03 REMARK 500 PRO A 184 35.43 -88.51 REMARK 500 ASP B 33 -130.40 56.52 REMARK 500 ASN B 51 69.66 -162.49 REMARK 500 ASN B 84 -121.05 50.82 REMARK 500 TYR B 154 -111.62 62.54 REMARK 500 PRO B 184 34.50 -89.70 REMARK 500 ARG B 217 26.55 -140.04 REMARK 500 REMARK 500 REMARK: NULL DBREF 8F46 A 1 305 UNP P0DTD1 R1AB_SARS2 3264 3568 DBREF 8F46 B 1 305 UNP P0DTD1 R1AB_SARS2 3264 3568 SEQADV 8F46 SER A -3 UNP P0DTD1 EXPRESSION TAG SEQADV 8F46 ASN A -2 UNP P0DTD1 EXPRESSION TAG SEQADV 8F46 ILE A -1 UNP P0DTD1 EXPRESSION TAG SEQADV 8F46 GLY A 0 UNP P0DTD1 EXPRESSION TAG SEQADV 8F46 SER B -3 UNP P0DTD1 EXPRESSION TAG SEQADV 8F46 ASN B -2 UNP P0DTD1 EXPRESSION TAG SEQADV 8F46 ILE B -1 UNP P0DTD1 EXPRESSION TAG SEQADV 8F46 GLY B 0 UNP P0DTD1 EXPRESSION TAG SEQRES 1 A 309 SER ASN ILE GLY SER GLY PHE ARG LYS MET ALA PHE PRO SEQRES 2 A 309 SER GLY LYS VAL GLU GLY CYS MET VAL GLN VAL THR CYS SEQRES 3 A 309 GLY THR THR THR LEU ASN GLY LEU TRP LEU ASP ASP VAL SEQRES 4 A 309 VAL TYR CYS PRO ARG HIS VAL ILE CYS THR SER GLU ASP SEQRES 5 A 309 MET LEU ASN PRO ASN TYR GLU ASP LEU LEU ILE ARG LYS SEQRES 6 A 309 SER ASN HIS ASN PHE LEU VAL GLN ALA GLY ASN VAL GLN SEQRES 7 A 309 LEU ARG VAL ILE GLY HIS SER MET GLN ASN CYS VAL LEU SEQRES 8 A 309 LYS LEU LYS VAL ASP THR ALA ASN PRO LYS THR PRO LYS SEQRES 9 A 309 TYR LYS PHE VAL ARG ILE GLN PRO GLY GLN THR PHE SER SEQRES 10 A 309 VAL LEU ALA CYS TYR ASN GLY SER PRO SER GLY VAL TYR SEQRES 11 A 309 GLN CYS ALA MET ARG PRO ASN PHE THR ILE LYS GLY SER SEQRES 12 A 309 PHE LEU ASN GLY SER CYS GLY SER VAL GLY PHE ASN ILE SEQRES 13 A 309 ASP TYR ASP CYS VAL SER PHE CYS TYR MET HIS HIS MET SEQRES 14 A 309 GLU LEU PRO THR GLY VAL HIS ALA GLY THR ASP LEU GLU SEQRES 15 A 309 GLY ASN PHE TYR GLY PRO PHE VAL ASP ARG GLN THR ALA SEQRES 16 A 309 GLN ALA ALA GLY THR ASP THR THR ILE THR VAL ASN VAL SEQRES 17 A 309 LEU ALA TRP LEU TYR ALA ALA VAL ILE ASN GLY ASP ARG SEQRES 18 A 309 TRP PHE LEU ASN ARG PHE THR THR THR LEU ASN ASP PHE SEQRES 19 A 309 ASN LEU VAL ALA MET LYS TYR ASN TYR GLU PRO LEU THR SEQRES 20 A 309 GLN ASP HIS VAL ASP ILE LEU GLY PRO LEU SER ALA GLN SEQRES 21 A 309 THR GLY ILE ALA VAL LEU ASP MET CYS ALA SER LEU LYS SEQRES 22 A 309 GLU LEU LEU GLN ASN GLY MET ASN GLY ARG THR ILE LEU SEQRES 23 A 309 GLY SER ALA LEU LEU GLU ASP GLU PHE THR PRO PHE ASP SEQRES 24 A 309 VAL VAL ARG GLN CYS SER GLY VAL THR PHE SEQRES 1 B 309 SER ASN ILE GLY SER GLY PHE ARG LYS MET ALA PHE PRO SEQRES 2 B 309 SER GLY LYS VAL GLU GLY CYS MET VAL GLN VAL THR CYS SEQRES 3 B 309 GLY THR THR THR LEU ASN GLY LEU TRP LEU ASP ASP VAL SEQRES 4 B 309 VAL TYR CYS PRO ARG HIS VAL ILE CYS THR SER GLU ASP SEQRES 5 B 309 MET LEU ASN PRO ASN TYR GLU ASP LEU LEU ILE ARG LYS SEQRES 6 B 309 SER ASN HIS ASN PHE LEU VAL GLN ALA GLY ASN VAL GLN SEQRES 7 B 309 LEU ARG VAL ILE GLY HIS SER MET GLN ASN CYS VAL LEU SEQRES 8 B 309 LYS LEU LYS VAL ASP THR ALA ASN PRO LYS THR PRO LYS SEQRES 9 B 309 TYR LYS PHE VAL ARG ILE GLN PRO GLY GLN THR PHE SER SEQRES 10 B 309 VAL LEU ALA CYS TYR ASN GLY SER PRO SER GLY VAL TYR SEQRES 11 B 309 GLN CYS ALA MET ARG PRO ASN PHE THR ILE LYS GLY SER SEQRES 12 B 309 PHE LEU ASN GLY SER CYS GLY SER VAL GLY PHE ASN ILE SEQRES 13 B 309 ASP TYR ASP CYS VAL SER PHE CYS TYR MET HIS HIS MET SEQRES 14 B 309 GLU LEU PRO THR GLY VAL HIS ALA GLY THR ASP LEU GLU SEQRES 15 B 309 GLY ASN PHE TYR GLY PRO PHE VAL ASP ARG GLN THR ALA SEQRES 16 B 309 GLN ALA ALA GLY THR ASP THR THR ILE THR VAL ASN VAL SEQRES 17 B 309 LEU ALA TRP LEU TYR ALA ALA VAL ILE ASN GLY ASP ARG SEQRES 18 B 309 TRP PHE LEU ASN ARG PHE THR THR THR LEU ASN ASP PHE SEQRES 19 B 309 ASN LEU VAL ALA MET LYS TYR ASN TYR GLU PRO LEU THR SEQRES 20 B 309 GLN ASP HIS VAL ASP ILE LEU GLY PRO LEU SER ALA GLN SEQRES 21 B 309 THR GLY ILE ALA VAL LEU ASP MET CYS ALA SER LEU LYS SEQRES 22 B 309 GLU LEU LEU GLN ASN GLY MET ASN GLY ARG THR ILE LEU SEQRES 23 B 309 GLY SER ALA LEU LEU GLU ASP GLU PHE THR PRO PHE ASP SEQRES 24 B 309 VAL VAL ARG GLN CYS SER GLY VAL THR PHE HET XCK A 401 33 HET XCK B 401 33 HET PG4 B 402 13 HETNAM XCK N-{(1Z,2S)-1-IMINO-3-[(3S)-2-OXOPYRROLIDIN-3-YL]PROPAN- HETNAM 2 XCK 2-YL}-N~2~-{[2-METHYL-2-(PHENYLSULFANYL) HETNAM 3 XCK PROPOXY]CARBONYL}-L-LEUCINAMIDE HETNAM PG4 TETRAETHYLENE GLYCOL FORMUL 3 XCK 2(C24 H36 N4 O4 S) FORMUL 5 PG4 C8 H18 O5 FORMUL 6 HOH *318(H2 O) HELIX 1 AA1 SER A 10 GLY A 15 1 6 HELIX 2 AA2 HIS A 41 CYS A 44 5 4 HELIX 3 AA3 THR A 45 LEU A 50 1 6 HELIX 4 AA4 ASN A 53 ARG A 60 1 8 HELIX 5 AA5 SER A 62 PHE A 66 5 5 HELIX 6 AA6 ILE A 200 ASN A 214 1 15 HELIX 7 AA7 THR A 226 TYR A 237 1 12 HELIX 8 AA8 THR A 243 LEU A 250 1 8 HELIX 9 AA9 LEU A 250 GLY A 258 1 9 HELIX 10 AB1 ALA A 260 GLY A 275 1 16 HELIX 11 AB2 THR A 292 SER A 301 1 10 HELIX 12 AB3 SER B 10 GLY B 15 1 6 HELIX 13 AB4 HIS B 41 CYS B 44 5 4 HELIX 14 AB5 GLU B 47 ASN B 51 5 5 HELIX 15 AB6 ASN B 53 ARG B 60 1 8 HELIX 16 AB7 SER B 62 PHE B 66 5 5 HELIX 17 AB8 ILE B 200 ASN B 214 1 15 HELIX 18 AB9 THR B 226 TYR B 237 1 12 HELIX 19 AC1 THR B 243 LEU B 250 1 8 HELIX 20 AC2 LEU B 250 GLY B 258 1 9 HELIX 21 AC3 ALA B 260 GLY B 275 1 16 HELIX 22 AC4 THR B 292 SER B 301 1 10 SHEET 1 AA1 7 VAL A 73 LEU A 75 0 SHEET 2 AA1 7 LEU A 67 ALA A 70 -1 N ALA A 70 O VAL A 73 SHEET 3 AA1 7 MET A 17 CYS A 22 -1 N THR A 21 O LEU A 67 SHEET 4 AA1 7 THR A 25 LEU A 32 -1 O LEU A 27 N VAL A 20 SHEET 5 AA1 7 VAL A 35 PRO A 39 -1 O TYR A 37 N LEU A 30 SHEET 6 AA1 7 VAL A 86 VAL A 91 -1 O LEU A 89 N VAL A 36 SHEET 7 AA1 7 VAL A 77 GLN A 83 -1 N GLN A 83 O VAL A 86 SHEET 1 AA2 5 LYS A 100 PHE A 103 0 SHEET 2 AA2 5 CYS A 156 GLU A 166 1 O VAL A 157 N LYS A 100 SHEET 3 AA2 5 VAL A 148 ASP A 153 -1 N ASN A 151 O SER A 158 SHEET 4 AA2 5 THR A 111 TYR A 118 -1 N SER A 113 O PHE A 150 SHEET 5 AA2 5 SER A 121 ALA A 129 -1 O SER A 123 N ALA A 116 SHEET 1 AA3 3 LYS A 100 PHE A 103 0 SHEET 2 AA3 3 CYS A 156 GLU A 166 1 O VAL A 157 N LYS A 100 SHEET 3 AA3 3 HIS A 172 THR A 175 -1 O THR A 175 N MET A 162 SHEET 1 AA4 7 VAL B 73 LEU B 75 0 SHEET 2 AA4 7 LEU B 67 ALA B 70 -1 N VAL B 68 O LEU B 75 SHEET 3 AA4 7 MET B 17 CYS B 22 -1 N THR B 21 O LEU B 67 SHEET 4 AA4 7 THR B 25 LEU B 32 -1 O LEU B 27 N VAL B 20 SHEET 5 AA4 7 VAL B 35 PRO B 39 -1 O TYR B 37 N LEU B 30 SHEET 6 AA4 7 VAL B 86 VAL B 91 -1 O LEU B 87 N CYS B 38 SHEET 7 AA4 7 VAL B 77 GLN B 83 -1 N SER B 81 O LYS B 88 SHEET 1 AA5 5 LYS B 100 PHE B 103 0 SHEET 2 AA5 5 CYS B 156 GLU B 166 1 O VAL B 157 N LYS B 100 SHEET 3 AA5 5 VAL B 148 ASP B 153 -1 N ASN B 151 O SER B 158 SHEET 4 AA5 5 THR B 111 TYR B 118 -1 N SER B 113 O PHE B 150 SHEET 5 AA5 5 SER B 121 ALA B 129 -1 O SER B 123 N ALA B 116 SHEET 1 AA6 3 LYS B 100 PHE B 103 0 SHEET 2 AA6 3 CYS B 156 GLU B 166 1 O VAL B 157 N LYS B 100 SHEET 3 AA6 3 HIS B 172 THR B 175 -1 O THR B 175 N MET B 162 LINK SG CYS A 145 C19 XCK A 401 1555 1555 1.79 LINK SG CYS B 145 C19 XCK B 401 1555 1555 1.80 CRYST1 54.989 98.240 58.625 90.00 107.80 90.00 P 1 21 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 0.018185 0.000000 0.005839 0.00000 SCALE2 0.000000 0.010179 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017915 0.00000