HEADER CELL INVASION 21-JUN-23 8T7Y TITLE STRUCTURE OF SARS COV-2 MAIN PROTEASE IN COMPLEX WITH CHYMOSTATIN. CAVEAT 8T7Y CSI C 2 HAS WRONG CHIRALITY AT ATOM CB CSI E 2 HAS WRONG CAVEAT 2 8T7Y CHIRALITY AT ATOM CB COMPND MOL_ID: 1; COMPND 2 MOLECULE: 3C-LIKE PROTEINASE NSP5; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: 3CL-PRO,3CLP,MAIN PROTEASE,MPRO,NON-STRUCTURAL PROTEIN 5, COMPND 5 NSP5,SARS CORONAVIRUS MAIN PROTEINASE; COMPND 6 EC: 3.4.22.69; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: CHYMOSTATIN A (BOUND FORM); COMPND 10 CHAIN: C, E; COMPND 11 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; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 11 ORGANISM_TAXID: 32630 KEYWDS COV-19, CELL INVASION EXPDTA X-RAY DIFFRACTION AUTHOR S.TERZYAN,N.YARLA,C.V.RAO,B.MOOERS REVDAT 1 26-JUN-24 8T7Y 0 JRNL AUTH S.TERZYAN,N.YARLA,C.V.RAO,B.MOOERS JRNL TITL STRUCTURE OF SARS COV-2 MAIN PROTEASE IN COMPLEX WITH JRNL TITL 2 CHYMOSTATIN. JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.78 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0049 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) : 1.78 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 53.36 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.9 REMARK 3 NUMBER OF REFLECTIONS : 47465 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) : 0.201 REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : 0.244 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2526 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.78 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.82 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3421 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.80 REMARK 3 BIN R VALUE (WORKING SET) : 0.3630 REMARK 3 BIN FREE R VALUE SET COUNT : 184 REMARK 3 BIN FREE R VALUE : 0.3870 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4802 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 170 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.52 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.95 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.42000 REMARK 3 B22 (A**2) : -0.45000 REMARK 3 B33 (A**2) : 1.16000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.50000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.157 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.145 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.127 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.193 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.962 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.940 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 5024 ; 0.011 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 4700 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 6849 ; 1.455 ; 1.965 REMARK 3 BOND ANGLES OTHERS (DEGREES): 10800 ; 0.829 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 642 ; 6.622 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 226 ;36.132 ;24.425 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 802 ;13.203 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 25 ;14.689 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 774 ; 0.092 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 5841 ; 0.006 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 1238 ; 0.002 ; 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): 2475 ; 2.340 ; 3.408 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 2474 ; 2.333 ; 3.408 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 3100 ; 3.521 ; 5.106 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 3101 ; 3.520 ; 5.106 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 2549 ; 2.745 ; 3.741 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 2550 ; 2.745 ; 3.741 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 3734 ; 4.246 ; 5.493 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 5592 ; 6.374 ;27.837 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 5550 ; 6.349 ;27.769 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. U VALUES REFINED INDIVIDUALLY REMARK 4 REMARK 4 8T7Y COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-JUN-23. REMARK 100 THE DEPOSITION ID IS D_1000275445. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-JAN-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL11-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.12709 REMARK 200 MONOCHROMATOR : SI111 REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-3000 REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 49991 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.780 REMARK 200 RESOLUTION RANGE LOW (A) : 53.360 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.9 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.03200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.8300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.78 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.88 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.3 REMARK 200 DATA REDUNDANCY IN SHELL : 3.27 REMARK 200 R MERGE FOR SHELL (I) : 0.53000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.890 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 (%): 38.49 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.8M AMMONIUM SULFATE, 0.1% BIS-TRIS REMARK 280 PH 6.5, 2%V/V PEG MONOMETHYL ETHER 550, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 295K 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 52.61550 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5000 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 25430 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -32.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, E 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 400 REMARK 400 COMPOUND REMARK 400 REMARK 400 THE CHYMOSTATIN A (BOUND FORM) IS OLIGOPEPTIDE, A MEMBER OF ENZYME REMARK 400 INHIBITOR CLASS. REMARK 400 REMARK 400 GROUP: 1 REMARK 400 NAME: CHYMOSTATIN A (BOUND FORM) REMARK 400 CHAIN: C, E REMARK 400 COMPONENT_1: PEPTIDE LIKE POLYMER REMARK 400 DESCRIPTION: NULL 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 GLN A 306 REMARK 465 GLN B 306 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 OD1 ASP B 263 O HOH B 401 2.14 REMARK 500 N SER A 62 OD1 ASN A 65 2.14 REMARK 500 O HOH B 403 O HOH B 477 2.19 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 33 -128.65 55.77 REMARK 500 SER A 46 -108.32 66.39 REMARK 500 SER A 81 148.16 175.76 REMARK 500 ASN A 84 -120.42 53.74 REMARK 500 TYR A 154 -106.93 63.18 REMARK 500 ALA A 234 -70.34 -72.73 REMARK 500 LYS A 236 -36.02 -39.80 REMARK 500 ASP B 33 -126.90 54.83 REMARK 500 ASN B 84 -123.98 59.23 REMARK 500 TYR B 154 -99.40 63.73 REMARK 500 PRO B 184 32.65 -88.93 REMARK 500 REMARK 500 REMARK: NULL DBREF 8T7Y A 1 306 UNP P0DTD1 R1AB_SARS2 3264 3569 DBREF 8T7Y B 1 306 UNP P0DTD1 R1AB_SARS2 3264 3569 DBREF 8T7Y C 1 4 PDB 8T7Y 8T7Y 1 4 DBREF 8T7Y E 1 4 PDB 8T7Y 8T7Y 1 4 SEQRES 1 A 306 SER GLY PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL SEQRES 2 A 306 GLU GLY CYS MET VAL GLN VAL THR CYS GLY THR THR THR SEQRES 3 A 306 LEU ASN GLY LEU TRP LEU ASP ASP VAL VAL TYR CYS PRO SEQRES 4 A 306 ARG HIS VAL ILE CYS THR SER GLU ASP MET LEU ASN PRO SEQRES 5 A 306 ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS ASN SEQRES 6 A 306 PHE LEU VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE SEQRES 7 A 306 GLY HIS SER MET GLN ASN CYS VAL LEU LYS LEU LYS VAL SEQRES 8 A 306 ASP THR ALA ASN PRO LYS THR PRO LYS TYR LYS PHE VAL SEQRES 9 A 306 ARG ILE GLN PRO GLY GLN THR PHE SER VAL LEU ALA CYS SEQRES 10 A 306 TYR ASN GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET SEQRES 11 A 306 ARG PRO ASN PHE THR ILE LYS GLY SER PHE LEU ASN GLY SEQRES 12 A 306 SER CYS GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS SEQRES 13 A 306 VAL SER PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR SEQRES 14 A 306 GLY VAL HIS ALA GLY THR ASP LEU GLU GLY ASN PHE TYR SEQRES 15 A 306 GLY PRO PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY SEQRES 16 A 306 THR ASP THR THR ILE THR VAL ASN VAL LEU ALA TRP LEU SEQRES 17 A 306 TYR ALA ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN SEQRES 18 A 306 ARG PHE THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA SEQRES 19 A 306 MET LYS TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL SEQRES 20 A 306 ASP ILE LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA SEQRES 21 A 306 VAL LEU ASP MET CYS ALA SER LEU LYS GLU LEU LEU GLN SEQRES 22 A 306 ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER ALA LEU SEQRES 23 A 306 LEU GLU ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN SEQRES 24 A 306 CYS SER GLY VAL THR PHE GLN SEQRES 1 B 306 SER GLY PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL SEQRES 2 B 306 GLU GLY CYS MET VAL GLN VAL THR CYS GLY THR THR THR SEQRES 3 B 306 LEU ASN GLY LEU TRP LEU ASP ASP VAL VAL TYR CYS PRO SEQRES 4 B 306 ARG HIS VAL ILE CYS THR SER GLU ASP MET LEU ASN PRO SEQRES 5 B 306 ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS ASN SEQRES 6 B 306 PHE LEU VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE SEQRES 7 B 306 GLY HIS SER MET GLN ASN CYS VAL LEU LYS LEU LYS VAL SEQRES 8 B 306 ASP THR ALA ASN PRO LYS THR PRO LYS TYR LYS PHE VAL SEQRES 9 B 306 ARG ILE GLN PRO GLY GLN THR PHE SER VAL LEU ALA CYS SEQRES 10 B 306 TYR ASN GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET SEQRES 11 B 306 ARG PRO ASN PHE THR ILE LYS GLY SER PHE LEU ASN GLY SEQRES 12 B 306 SER CYS GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS SEQRES 13 B 306 VAL SER PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR SEQRES 14 B 306 GLY VAL HIS ALA GLY THR ASP LEU GLU GLY ASN PHE TYR SEQRES 15 B 306 GLY PRO PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY SEQRES 16 B 306 THR ASP THR THR ILE THR VAL ASN VAL LEU ALA TRP LEU SEQRES 17 B 306 TYR ALA ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN SEQRES 18 B 306 ARG PHE THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA SEQRES 19 B 306 MET LYS TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL SEQRES 20 B 306 ASP ILE LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA SEQRES 21 B 306 VAL LEU ASP MET CYS ALA SER LEU LYS GLU LEU LEU GLN SEQRES 22 B 306 ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER ALA LEU SEQRES 23 B 306 LEU GLU ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN SEQRES 24 B 306 CYS SER GLY VAL THR PHE GLN SEQRES 1 C 4 PHE CSI LEU PHL SEQRES 1 E 4 PHE CSI LEU PHL HET CSI C 2 13 HET PHL C 4 11 HET CSI E 2 13 HET PHL E 4 11 HETNAM CSI AMINO-(2-IMINO-HEXAHYDRO-PYRIMIDIN-4-YL)-ACETIC ACID HETNAM PHL L-PHENYLALANINOL HETSYN PHL BOUND FORM OF PHENYLALANINAL FORMUL 3 CSI 2(C7 H12 N4 O4) FORMUL 3 PHL 2(C9 H13 N O) FORMUL 5 HOH *170(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 5 6 HELIX 4 AA4 ASN A 53 ARG A 60 1 8 HELIX 5 AA5 ILE A 200 ASN A 214 1 15 HELIX 6 AA6 THR A 226 LYS A 236 1 11 HELIX 7 AA7 THR A 243 GLY A 258 1 16 HELIX 8 AA8 ALA A 260 GLY A 275 1 16 HELIX 9 AA9 THR A 292 GLY A 302 1 11 HELIX 10 AB1 SER B 10 GLY B 15 1 6 HELIX 11 AB2 HIS B 41 CYS B 44 5 4 HELIX 12 AB3 ASN B 53 ARG B 60 1 8 HELIX 13 AB4 SER B 62 HIS B 64 5 3 HELIX 14 AB5 ILE B 200 ASN B 214 1 15 HELIX 15 AB6 THR B 226 MET B 235 1 10 HELIX 16 AB7 LYS B 236 ASN B 238 5 3 HELIX 17 AB8 THR B 243 LEU B 250 1 8 HELIX 18 AB9 LEU B 250 GLY B 258 1 9 HELIX 19 AC1 ALA B 260 GLY B 275 1 16 HELIX 20 AC2 THR B 292 GLY B 302 1 11 SHEET 1 AA1 7 VAL A 73 LEU A 75 0 SHEET 2 AA1 7 PHE A 66 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 TYR A 37 N LEU A 30 SHEET 6 AA1 7 VAL A 86 VAL A 91 -1 O LEU A 87 N CYS A 38 SHEET 7 AA1 7 VAL A 77 GLY A 79 -1 N ILE A 78 O LYS A 90 SHEET 1 AA2 7 VAL A 73 LEU A 75 0 SHEET 2 AA2 7 PHE A 66 ALA A 70 -1 N VAL A 68 O LEU A 75 SHEET 3 AA2 7 MET A 17 CYS A 22 -1 N THR A 21 O LEU A 67 SHEET 4 AA2 7 THR A 25 LEU A 32 -1 O GLY A 29 N VAL A 18 SHEET 5 AA2 7 VAL A 35 PRO A 39 -1 O TYR A 37 N LEU A 30 SHEET 6 AA2 7 VAL A 86 VAL A 91 -1 O LEU A 87 N CYS A 38 SHEET 7 AA2 7 MET A 82 GLN A 83 -1 N GLN A 83 O VAL A 86 SHEET 1 AA3 5 LYS A 100 PHE A 103 0 SHEET 2 AA3 5 CYS A 156 GLU A 166 1 O VAL A 157 N LYS A 100 SHEET 3 AA3 5 VAL A 148 ASP A 153 -1 N ASP A 153 O CYS A 156 SHEET 4 AA3 5 THR A 111 TYR A 118 -1 N SER A 113 O PHE A 150 SHEET 5 AA3 5 SER A 121 ALA A 129 -1 O SER A 123 N ALA A 116 SHEET 1 AA4 3 LYS A 100 PHE A 103 0 SHEET 2 AA4 3 CYS A 156 GLU A 166 1 O VAL A 157 N LYS A 100 SHEET 3 AA4 3 HIS A 172 THR A 175 -1 O ALA A 173 N MET A 165 SHEET 1 AA5 7 VAL B 73 LEU B 75 0 SHEET 2 AA5 7 PHE B 66 ALA B 70 -1 N ALA B 70 O VAL B 73 SHEET 3 AA5 7 MET B 17 CYS B 22 -1 N GLN B 19 O GLN B 69 SHEET 4 AA5 7 THR B 25 LEU B 32 -1 O LEU B 27 N VAL B 20 SHEET 5 AA5 7 VAL B 35 PRO B 39 -1 O TYR B 37 N LEU B 30 SHEET 6 AA5 7 VAL B 86 VAL B 91 -1 O LEU B 87 N CYS B 38 SHEET 7 AA5 7 VAL B 77 GLN B 83 -1 N ILE B 78 O LYS B 90 SHEET 1 AA6 5 TYR B 101 PHE B 103 0 SHEET 2 AA6 5 CYS B 156 GLU B 166 1 O PHE B 159 N LYS B 102 SHEET 3 AA6 5 VAL B 148 ASP B 153 -1 N ASN B 151 O SER B 158 SHEET 4 AA6 5 THR B 111 TYR B 118 -1 N SER B 113 O PHE B 150 SHEET 5 AA6 5 SER B 121 ALA B 129 -1 O SER B 123 N ALA B 116 SHEET 1 AA7 3 TYR B 101 PHE B 103 0 SHEET 2 AA7 3 CYS B 156 GLU B 166 1 O PHE B 159 N LYS B 102 SHEET 3 AA7 3 HIS B 172 THR B 175 -1 O ALA B 173 N MET B 165 LINK SG CYS A 145 C PHL C 4 1555 1555 1.65 LINK SG CYS B 145 C PHL E 4 1555 1555 1.67 LINK N PHE C 1 C7 CSI C 2 1555 1555 1.33 LINK C CSI C 2 N LEU C 3 1555 1555 1.34 LINK C LEU C 3 N PHL C 4 1555 1555 1.34 LINK N PHE E 1 C7 CSI E 2 1555 1555 1.34 LINK C CSI E 2 N LEU E 3 1555 1555 1.34 LINK C LEU E 3 N PHL E 4 1555 1555 1.33 CRYST1 48.184 105.231 54.473 90.00 101.59 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 0.020754 0.000000 0.004257 0.00000 SCALE2 0.000000 0.009503 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018740 0.00000