HEADER VIRAL PROTEIN/INHIBITOR 14-JAN-22 7TIX
TITLE CRYSTAL STRUCTURE OF SARS-COV-2 3CL IN COMPLEX WITH INHIBITOR EB56
COMPND MOL_ID: 1;
COMPND 2 MOLECULE: 3C-LIKE PROTEINASE NSP5;
COMPND 3 CHAIN: A;
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
SOURCE MOL_ID: 1;
SOURCE 2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS
SOURCE 3 2;
SOURCE 4 ORGANISM_COMMON: 2019-NCOV, SARS-COV-2;
SOURCE 5 ORGANISM_TAXID: 2697049;
SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;
SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562
KEYWDS VIRAL PROTEIN, VIRAL PROTEIN-INHIBITOR COMPLEX
EXPDTA X-RAY DIFFRACTION
AUTHOR F.FOROUHAR,H.LIU,S.IKETANI,A.ZACK,N.KHANIZEMAN,E.BEDNAROVA,B.FOWLER,
AUTHOR 2 S.J.HONG,H.MOHRI,M.S.NAIR,Y.HUANG,N.E.S.TAY,S.LEE,C.KARAN,
AUTHOR 3 S.J.RESNICK,C.QUINN,W.LI,H.SHION,C.JURTSCHENKO,M.A.LAUBER,
AUTHOR 4 T.MCDONALD,M.E.STOKES,B.HURST,T.ROVIS,A.CHAVEZ,D.D.HO,B.R.STOCKWELL
REVDAT 3 13-NOV-24 7TIX 1 REMARK
REVDAT 2 18-OCT-23 7TIX 1 REMARK
REVDAT 1 04-MAY-22 7TIX 0
JRNL AUTH H.LIU,S.IKETANI,A.ZASK,N.KHANIZEMAN,E.BEDNAROVA,F.FOROUHAR,
JRNL AUTH 2 B.FOWLER,S.J.HONG,H.MOHRI,M.S.NAIR,Y.HUANG,N.E.S.TAY,S.LEE,
JRNL AUTH 3 C.KARAN,S.J.RESNICK,C.QUINN,W.LI,H.SHION,X.XIA,J.D.DANIELS,
JRNL AUTH 4 M.BARTOLO-CRUZ,M.FARINA,P.RAJBHANDARI,C.JURTSCHENKO,
JRNL AUTH 5 M.A.LAUBER,T.MCDONALD,M.E.STOKES,B.L.HURST,T.ROVIS,A.CHAVEZ,
JRNL AUTH 6 D.D.HO,B.R.STOCKWELL
JRNL TITL DEVELOPMENT OF OPTIMIZED DRUG-LIKE SMALL MOLECULE INHIBITORS
JRNL TITL 2 OF THE SARS-COV-2 3CL PROTEASE FOR TREATMENT OF COVID-19.
JRNL REF NAT COMMUN V. 13 1891 2022
JRNL REFN ESSN 2041-1723
JRNL PMID 35393402
JRNL DOI 10.1038/S41467-022-29413-2
REMARK 2
REMARK 2 RESOLUTION. 2.00 ANGSTROMS.
REMARK 3
REMARK 3 REFINEMENT.
REMARK 3 PROGRAM : PHENIX 1.17.1_3660
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) : 2.00
REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.07
REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370
REMARK 3 COMPLETENESS FOR RANGE (%) : 99.3
REMARK 3 NUMBER OF REFLECTIONS : 25428
REMARK 3
REMARK 3 FIT TO DATA USED IN REFINEMENT.
REMARK 3 R VALUE (WORKING + TEST SET) : 0.176
REMARK 3 R VALUE (WORKING SET) : 0.172
REMARK 3 FREE R VALUE : 0.215
REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.060
REMARK 3 FREE R VALUE TEST SET COUNT : 2557
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 45.0700 - 5.2400 0.99 1319 132 0.1441 0.1647
REMARK 3 2 5.2400 - 4.1600 1.00 1310 128 0.1249 0.1566
REMARK 3 3 4.1600 - 3.6300 1.00 1271 154 0.1462 0.1823
REMARK 3 4 3.6300 - 3.3000 0.98 1278 125 0.1735 0.2389
REMARK 3 5 3.3000 - 3.0700 0.99 1276 125 0.1928 0.2200
REMARK 3 6 3.0600 - 2.8800 0.99 1273 144 0.1928 0.2327
REMARK 3 7 2.8800 - 2.7400 1.00 1270 143 0.1851 0.2451
REMARK 3 8 2.7400 - 2.6200 1.00 1263 160 0.1862 0.2472
REMARK 3 9 2.6200 - 2.5200 1.00 1269 132 0.1888 0.1998
REMARK 3 10 2.5200 - 2.4300 0.98 1224 164 0.1892 0.2334
REMARK 3 11 2.4300 - 2.3600 0.99 1251 166 0.1945 0.2445
REMARK 3 12 2.3600 - 2.2900 0.99 1296 130 0.2105 0.2964
REMARK 3 13 2.2900 - 2.2300 0.99 1278 134 0.2089 0.2496
REMARK 3 14 2.2300 - 2.1700 0.99 1229 150 0.2039 0.2491
REMARK 3 15 2.1700 - 2.1300 1.00 1305 131 0.2187 0.2589
REMARK 3 16 2.1300 - 2.0800 0.99 1250 156 0.2428 0.3032
REMARK 3 17 2.0800 - 2.0400 1.00 1251 149 0.2553 0.3252
REMARK 3 18 2.0400 - 2.0000 1.00 1258 134 0.2764 0.3385
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) : 0.250
REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.940
REMARK 3
REMARK 3 B VALUES.
REMARK 3 FROM WILSON PLOT (A**2) : NULL
REMARK 3 MEAN B VALUE (OVERALL, A**2) : 49.07
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 : NULL NULL
REMARK 3 ANGLE : NULL NULL
REMARK 3 CHIRALITY : NULL NULL
REMARK 3 PLANARITY : NULL NULL
REMARK 3 DIHEDRAL : NULL NULL
REMARK 3
REMARK 3 TLS DETAILS
REMARK 3 NUMBER OF TLS GROUPS : 1
REMARK 3 TLS GROUP : 1
REMARK 3 SELECTION: ALL
REMARK 3 ORIGIN FOR THE GROUP (A): -5.4775 -1.1375 12.1278
REMARK 3 T TENSOR
REMARK 3 T11: 0.2370 T22: 0.2540
REMARK 3 T33: 0.2810 T12: -0.0135
REMARK 3 T13: -0.0127 T23: -0.0216
REMARK 3 L TENSOR
REMARK 3 L11: 0.7293 L22: 0.8772
REMARK 3 L33: 2.2554 L12: 0.3517
REMARK 3 L13: -0.5050 L23: 0.4544
REMARK 3 S TENSOR
REMARK 3 S11: 0.0527 S12: -0.0663 S13: -0.0509
REMARK 3 S21: 0.0437 S22: 0.0005 S23: -0.0739
REMARK 3 S31: -0.1344 S32: -0.0681 S33: 0.0176
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 7TIX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11
REMARK 100
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-JAN-22.
REMARK 100 THE DEPOSITION ID IS D_1000262362.
REMARK 200
REMARK 200 EXPERIMENTAL DETAILS
REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION
REMARK 200 DATE OF DATA COLLECTION : 22-JUL-20
REMARK 200 TEMPERATURE (KELVIN) : 100
REMARK 200 PH : 5
REMARK 200 NUMBER OF CRYSTALS USED : 1
REMARK 200
REMARK 200 SYNCHROTRON (Y/N) : Y
REMARK 200 RADIATION SOURCE : APS
REMARK 200 BEAMLINE : 24-ID-C
REMARK 200 X-RAY GENERATOR MODEL : NULL
REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M
REMARK 200 WAVELENGTH OR RANGE (A) : 0.979
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
REMARK 200 DATA SCALING SOFTWARE : AIMLESS
REMARK 200
REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28601
REMARK 200 RESOLUTION RANGE HIGH (A) : 1.910
REMARK 200 RESOLUTION RANGE LOW (A) : 59.300
REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL
REMARK 200
REMARK 200 OVERALL.
REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1
REMARK 200 DATA REDUNDANCY : 6.900
REMARK 200 R MERGE (I) : 0.14500
REMARK 200 R SYM (I) : NULL
REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.6000
REMARK 200
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.
REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.91
REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.96
REMARK 200 COMPLETENESS FOR SHELL (%) : 80.4
REMARK 200 DATA REDUNDANCY IN SHELL : 5.40
REMARK 200 R MERGE FOR SHELL (I) : 1.32900
REMARK 200 R SYM FOR SHELL (I) : NULL
REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.000
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: 7JSU
REMARK 200
REMARK 200 REMARK: BLOCK-SHAPED
REMARK 280
REMARK 280 CRYSTAL
REMARK 280 SOLVENT CONTENT, VS (%): 56.70
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.84
REMARK 280
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M POTASSIUM THIOCYANATE, 0.1 M
REMARK 280 SODIUM ACETATE, PH 5, AND 20% (W/V) PEG 8000, MICROBATCH,
REMARK 280 TEMPERATURE 277K
REMARK 290
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1
REMARK 290
REMARK 290 SYMOP SYMMETRY
REMARK 290 NNNMMM OPERATOR
REMARK 290 1555 X,Y,Z
REMARK 290 2555 -X,Y,-Z
REMARK 290 3555 X+1/2,Y+1/2,Z
REMARK 290 4555 -X+1/2,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 0.00000
REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000
REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 48.36450
REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.73100
REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000
REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 48.36450
REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 40.73100
REMARK 290 SMTRY3 4 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: 2680 ANGSTROM**2
REMARK 350 SURFACE AREA OF THE COMPLEX: 25740 ANGSTROM**2
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -6.0 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 -1.000000 0.000000 0.000000 0.00000
REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000
REMARK 350 BIOMT3 2 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 A 505 LIES ON A SPECIAL POSITION.
REMARK 375 HOH A 603 LIES ON A SPECIAL POSITION.
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 VAL A 303
REMARK 465 THR A 304
REMARK 465 PHE A 305
REMARK 465 GLN A 306
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 -121.03 50.70
REMARK 500 ASN A 51 81.72 -161.85
REMARK 500 ASN A 84 -119.36 56.78
REMARK 500 TYR A 154 -105.03 56.54
REMARK 500 CYS A 300 78.43 -102.82
REMARK 500
REMARK 500 REMARK: NULL
REMARK 620
REMARK 620 METAL COORDINATION
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):
REMARK 620
REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL
REMARK 620 MG A 402 MG
REMARK 620 N RES CSSEQI ATOM
REMARK 620 1 ASN A 221 O
REMARK 620 2 ASN A 221 OD1 70.0
REMARK 620 3 PHE A 223 O 102.9 80.2
REMARK 620 4 ASP A 263 O 158.8 130.1 88.7
REMARK 620 5 ASP A 263 OD1 90.1 155.6 91.1 71.8
REMARK 620 6 HOH A 502 O 77.4 103.2 176.3 89.9 85.2
REMARK 620 N 1 2 3 4 5
DBREF 7TIX A 1 306 UNP P0DTC1 R1A_SARS2 3264 3569
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
HET Q56 A 401 33
HET MG A 402 1
HETNAM Q56 N~2~-{[(NAPHTHALEN-2-YL)METHOXY]CARBONYL}-N-{(2S)-1-
HETNAM 2 Q56 OXO-3-[(3S)-2-OXOPYRROLIDIN-3-YL]PROPAN-2-YL}-L-
HETNAM 3 Q56 LEUCINAMIDE
HETNAM MG MAGNESIUM ION
FORMUL 2 Q56 C25 H33 N3 O8 S
FORMUL 3 MG MG 2+
FORMUL 4 HOH *135(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 GLU A 47 ASN A 51 5 5
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 CYS A 300 1 9
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 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 87 N CYS A 38
SHEET 7 AA1 7 VAL A 77 GLN A 83 -1 N SER A 81 O LYS A 88
SHEET 1 AA2 5 TYR A 101 PHE A 103 0
SHEET 2 AA2 5 CYS A 156 GLU A 166 1 O PHE A 159 N LYS A 102
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 TYR A 126 N VAL A 114
SHEET 1 AA3 3 TYR A 101 PHE A 103 0
SHEET 2 AA3 3 CYS A 156 GLU A 166 1 O PHE A 159 N LYS A 102
SHEET 3 AA3 3 HIS A 172 THR A 175 -1 O ALA A 173 N MET A 165
LINK SG CYS A 145 C12 Q56 A 401 1555 1555 1.83
LINK O ASN A 221 MG MG A 402 1555 1555 2.72
LINK OD1 ASN A 221 MG MG A 402 1555 1555 2.39
LINK O PHE A 223 MG MG A 402 1555 1555 2.58
LINK O ASP A 263 MG MG A 402 1555 1555 2.73
LINK OD1 ASP A 263 MG MG A 402 1555 1555 2.19
LINK MG MG A 402 O HOH A 502 1555 1555 2.28
CRYST1 96.729 81.462 54.566 90.00 116.62 90.00 C 1 2 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 0.010338 0.000000 0.005181 0.00000
SCALE2 0.000000 0.012276 0.000000 0.00000
SCALE3 0.000000 0.000000 0.020499 0.00000