HEADER VIRAL PROTEIN/INHIBITOR 20-FEB-23 8IG4 TITLE CRYSTAL STRUCTURE OF SARS-COV-2 MAIN PROTEASE IN COMPLEX WITH GC376 COMPND MOL_ID: 1; COMPND 2 MOLECULE: NON-STRUCTURAL PROTEIN 11; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: NSP11; COMPND 5 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 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS VIRAL PROTEIN-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR X.L.ZHOU,J.ZHANG,J.LI REVDAT 2 08-MAY-24 8IG4 1 JRNL REVDAT 1 06-MAR-24 8IG4 0 JRNL AUTH C.LIN,Z.ZHU,H.JIANG,X.ZOU,X.ZENG,J.WANG,P.ZENG,W.LI,X.ZHOU, JRNL AUTH 2 J.ZHANG,Q.WANG,J.LI JRNL TITL STRUCTURAL BASIS FOR CORONAVIRAL MAIN PROTEASES INHIBITION JRNL TITL 2 BY THE 3CLPRO INHIBITOR GC376. JRNL REF J.MOL.BIOL. V. 436 68474 2024 JRNL REFN ESSN 1089-8638 JRNL PMID 38311236 JRNL DOI 10.1016/J.JMB.2024.168474 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.12_2829 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.80 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.377 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.0 REMARK 3 NUMBER OF REFLECTIONS : 50955 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.199 REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.942 REMARK 3 FREE R VALUE TEST SET COUNT : 2518 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 48.8000 - 4.7081 0.98 2969 138 0.1504 0.1960 REMARK 3 2 4.7081 - 3.7374 0.93 2768 130 0.1491 0.1854 REMARK 3 3 3.7374 - 3.2651 0.98 2926 150 0.1865 0.2046 REMARK 3 4 3.2651 - 2.9666 0.98 2877 163 0.2176 0.2436 REMARK 3 5 2.9666 - 2.7540 0.98 2888 167 0.2257 0.2547 REMARK 3 6 2.7540 - 2.5916 0.77 2268 140 0.2363 0.3030 REMARK 3 7 2.5916 - 2.4619 0.97 2871 158 0.2301 0.2458 REMARK 3 8 2.4619 - 2.3547 0.97 2882 143 0.2283 0.2776 REMARK 3 9 2.3547 - 2.2640 0.97 2877 148 0.2317 0.3147 REMARK 3 10 2.2640 - 2.1859 0.97 2873 140 0.2381 0.3152 REMARK 3 11 2.1859 - 2.1176 0.97 2843 152 0.2286 0.2597 REMARK 3 12 2.1176 - 2.0570 0.97 1518 93 0.2328 0.3271 REMARK 3 13 2.0570 - 2.0029 0.95 2791 144 0.2437 0.2652 REMARK 3 14 2.0029 - 1.9540 0.97 2832 134 0.2305 0.2755 REMARK 3 15 1.9540 - 1.9096 0.96 1911 98 0.2369 0.3122 REMARK 3 16 1.9096 - 1.8690 0.93 2685 134 0.2669 0.2843 REMARK 3 17 1.8690 - 1.8316 0.96 2824 151 0.2562 0.2886 REMARK 3 18 1.8316 - 1.8000 0.96 2834 135 0.2735 0.3382 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) : 0.233 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.924 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.35 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.86 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 : 0.007 4680 REMARK 3 ANGLE : 0.904 6372 REMARK 3 CHIRALITY : 0.052 735 REMARK 3 PLANARITY : 0.007 826 REMARK 3 DIHEDRAL : 9.132 2791 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 8IG4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 01-MAR-23. REMARK 100 THE DEPOSITION ID IS D_1300035157. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-SEP-22 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 : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 51000 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 48.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.2 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.89 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.68500 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: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES 7.5, 20% PEG 10000, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 49.31050 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: 2070 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24540 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -10.0 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 GLY B 302 REMARK 465 VAL B 303 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 ASP A 48 CG OD1 OD2 REMARK 470 LEU A 50 CG CD1 CD2 REMARK 470 ARG A 60 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 76 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 100 CG CD CE NZ REMARK 470 ASP A 153 CG OD1 OD2 REMARK 470 TYR A 154 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASP A 155 CG OD1 OD2 REMARK 470 ARG A 222 CG CD NE CZ NH1 NH2 REMARK 470 PHE A 223 CG CD1 CD2 CE1 CE2 CZ REMARK 470 GLU A 270 CG CD OE1 OE2 REMARK 470 PHE A 294 CG CD1 CD2 CE1 CE2 CZ REMARK 470 GLU B 47 CG CD OE1 OE2 REMARK 470 LEU B 50 CG CD1 CD2 REMARK 470 GLN B 69 CG CD OE1 NE2 REMARK 470 ASN B 72 CG OD1 ND2 REMARK 470 GLN B 74 CG CD OE1 NE2 REMARK 470 ARG B 76 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 100 CG CD CE NZ REMARK 470 LYS B 102 CG CD CE NZ REMARK 470 LYS B 137 CG CD CE NZ REMARK 470 ASP B 153 CG OD1 OD2 REMARK 470 TYR B 154 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASP B 155 CG OD1 OD2 REMARK 470 PHE B 223 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ASP B 245 CG OD1 OD2 REMARK 470 ARG B 279 CG CD NE CZ NH1 NH2 REMARK 470 LEU B 286 CG CD1 CD2 REMARK 470 ARG B 298 CG CD NE CZ NH1 NH2 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 -128.34 55.01 REMARK 500 ASN A 51 75.67 -156.71 REMARK 500 ASN A 84 -125.91 55.47 REMARK 500 ASP A 155 -0.38 73.68 REMARK 500 PRO A 184 40.62 -98.61 REMARK 500 ASP B 33 -125.91 55.67 REMARK 500 ASN B 51 75.46 -155.12 REMARK 500 ASN B 84 -127.23 55.99 REMARK 500 ASP B 155 -2.70 77.00 REMARK 500 PRO B 184 38.03 -85.88 REMARK 500 REMARK 500 REMARK: NULL DBREF 8IG4 A 3 303 UNP P0DTC1 R1A_SARS2 3266 3566 DBREF 8IG4 B 3 303 UNP P0DTC1 R1A_SARS2 3266 3566 SEQRES 1 A 301 PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL GLU GLY SEQRES 2 A 301 CYS MET VAL GLN VAL THR CYS GLY THR THR THR LEU ASN SEQRES 3 A 301 GLY LEU TRP LEU ASP ASP VAL VAL TYR CYS PRO ARG HIS SEQRES 4 A 301 VAL ILE CYS THR SER GLU ASP MET LEU ASN PRO ASN TYR SEQRES 5 A 301 GLU ASP LEU LEU ILE ARG LYS SER ASN HIS ASN PHE LEU SEQRES 6 A 301 VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE GLY HIS SEQRES 7 A 301 SER MET GLN ASN CYS VAL LEU LYS LEU LYS VAL ASP THR SEQRES 8 A 301 ALA ASN PRO LYS THR PRO LYS TYR LYS PHE VAL ARG ILE SEQRES 9 A 301 GLN PRO GLY GLN THR PHE SER VAL LEU ALA CYS TYR ASN SEQRES 10 A 301 GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET ARG PRO SEQRES 11 A 301 ASN PHE THR ILE LYS GLY SER PHE LEU ASN GLY SER CYS SEQRES 12 A 301 GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS VAL SER SEQRES 13 A 301 PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR GLY VAL SEQRES 14 A 301 HIS ALA GLY THR ASP LEU GLU GLY ASN PHE TYR GLY PRO SEQRES 15 A 301 PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY THR ASP SEQRES 16 A 301 THR THR ILE THR VAL ASN VAL LEU ALA TRP LEU TYR ALA SEQRES 17 A 301 ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN ARG PHE SEQRES 18 A 301 THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA MET LYS SEQRES 19 A 301 TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL ASP ILE SEQRES 20 A 301 LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA VAL LEU SEQRES 21 A 301 ASP MET CYS ALA SER LEU LYS GLU LEU LEU GLN ASN GLY SEQRES 22 A 301 MET ASN GLY ARG THR ILE LEU GLY SER ALA LEU LEU GLU SEQRES 23 A 301 ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN CYS SER SEQRES 24 A 301 GLY VAL SEQRES 1 B 301 PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL GLU GLY SEQRES 2 B 301 CYS MET VAL GLN VAL THR CYS GLY THR THR THR LEU ASN SEQRES 3 B 301 GLY LEU TRP LEU ASP ASP VAL VAL TYR CYS PRO ARG HIS SEQRES 4 B 301 VAL ILE CYS THR SER GLU ASP MET LEU ASN PRO ASN TYR SEQRES 5 B 301 GLU ASP LEU LEU ILE ARG LYS SER ASN HIS ASN PHE LEU SEQRES 6 B 301 VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE GLY HIS SEQRES 7 B 301 SER MET GLN ASN CYS VAL LEU LYS LEU LYS VAL ASP THR SEQRES 8 B 301 ALA ASN PRO LYS THR PRO LYS TYR LYS PHE VAL ARG ILE SEQRES 9 B 301 GLN PRO GLY GLN THR PHE SER VAL LEU ALA CYS TYR ASN SEQRES 10 B 301 GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET ARG PRO SEQRES 11 B 301 ASN PHE THR ILE LYS GLY SER PHE LEU ASN GLY SER CYS SEQRES 12 B 301 GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS VAL SER SEQRES 13 B 301 PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR GLY VAL SEQRES 14 B 301 HIS ALA GLY THR ASP LEU GLU GLY ASN PHE TYR GLY PRO SEQRES 15 B 301 PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY THR ASP SEQRES 16 B 301 THR THR ILE THR VAL ASN VAL LEU ALA TRP LEU TYR ALA SEQRES 17 B 301 ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN ARG PHE SEQRES 18 B 301 THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA MET LYS SEQRES 19 B 301 TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL ASP ILE SEQRES 20 B 301 LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA VAL LEU SEQRES 21 B 301 ASP MET CYS ALA SER LEU LYS GLU LEU LEU GLN ASN GLY SEQRES 22 B 301 MET ASN GLY ARG THR ILE LEU GLY SER ALA LEU LEU GLU SEQRES 23 B 301 ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN CYS SER SEQRES 24 B 301 GLY VAL HET UED A 401 29 HET UED B 401 29 HETNAM UED N~2~-[(BENZYLOXY)CARBONYL]-N-{(2S)-1-HYDROXY-3-[(3S)-2- HETNAM 2 UED OXOPYRROLIDIN-3-YL]PROPAN-2-YL}-L-LEUCINAMIDE HETSYN UED GC373 BOUND FORM, GC376 BOUND FORM FORMUL 3 UED 2(C21 H31 N3 O5) FORMUL 5 HOH *124(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 SER A 46 ASN A 51 5 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 THR B 45 ASN B 51 1 7 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 VAL A 68 O LEU A 75 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 GLY A 29 N VAL A 18 SHEET 5 AA1 7 VAL A 35 PRO A 39 -1 O VAL A 35 N LEU A 32 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 ILE A 78 O LYS A 90 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 ALA A 173 N MET A 165 SHEET 1 AA4 7 VAL B 73 LEU B 75 0 SHEET 2 AA4 7 LEU B 67 ALA B 70 -1 N ALA B 70 O VAL B 73 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 89 N VAL B 36 SHEET 7 AA4 7 VAL B 77 GLN B 83 -1 N ILE B 78 O LYS B 90 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 ALA B 173 N MET B 165 LINK SG CYS A 145 C21 UED A 401 1555 1555 1.77 LINK SG CYS B 145 C21 UED B 401 1555 1555 1.77 CRYST1 55.284 98.621 59.161 90.00 108.34 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 0.018088 0.000000 0.005995 0.00000 SCALE2 0.000000 0.010140 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017807 0.00000