HEADER HYDROLASE 15-MAY-10 3N1A TITLE CRYSTAL STRICTURE OF E145G/Y227F CHITINASE IN COMPLEX WITH CYCLO-(L- TITLE 2 HIS-L-PRO) FROM BACILLUS CEREUS NCTU2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHITINASE A; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CHINCTU2; COMPND 5 EC: 3.2.1.14; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS CEREUS; SOURCE 3 ORGANISM_TAXID: 1396; SOURCE 4 STRAIN: NCTU2; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET-22B KEYWDS CHITINASE, CHINCTU2, COMPLEX, CYCLO-(L-HIS-L-PRO), MUTATION, KEYWDS 2 HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.-C.HSIEH,Y.-J.WU,W.-G.WU,Y.-K.LI,C.-J.CHEN REVDAT 3 01-NOV-23 3N1A 1 REMARK SEQADV REVDAT 2 13-OCT-10 3N1A 1 JRNL REVDAT 1 04-AUG-10 3N1A 0 JRNL AUTH Y.-C.HSIEH,Y.-J.WU,T.-Y.CHIANG,C.-Y.KUO,K.L.SHRESTHA, JRNL AUTH 2 C.-F.CHAO,Y.-C.HUANG,P.CHUANKHAYAN,W.-G.WU,Y.-K.LI,C.-J.CHEN JRNL TITL CRYSTAL STRUCTURES OF BACILLUS CEREUS NCTU2 CHITINASE JRNL TITL 2 COMPLEXES WITH CHITOOLIGOMERS REVEAL NOVEL SUBSTRATE BINDING JRNL TITL 3 FOR CATALYSIS: A CHITINASE WITHOUT CHITIN-BINDING AND JRNL TITL 4 INSERTION DOMAINS JRNL REF J.BIOL.CHEM. V. 285 31603 2010 JRNL REFN ISSN 0021-9258 JRNL PMID 20685646 JRNL DOI 10.1074/JBC.M110.149310 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.4.0067 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.73 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 19103 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 : 0.238 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1031 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1337 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.87 REMARK 3 BIN R VALUE (WORKING SET) : 0.2490 REMARK 3 BIN FREE R VALUE SET COUNT : 68 REMARK 3 BIN FREE R VALUE : 0.3310 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2511 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 17 REMARK 3 SOLVENT ATOMS : 96 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.95 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.43000 REMARK 3 B22 (A**2) : 0.85000 REMARK 3 B33 (A**2) : 0.58000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.179 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.124 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.357 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.954 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.935 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2596 ; 0.003 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3525 ; 0.707 ; 1.955 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 326 ; 4.287 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 115 ;31.488 ;24.957 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 399 ;11.621 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 6 ;12.800 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 370 ; 0.049 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2019 ; 0.002 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL 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): 1616 ; 0.258 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2588 ; 0.482 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 980 ; 0.572 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 937 ; 0.926 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL 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 REMARK 4 REMARK 4 3N1A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 09-JUN-10. REMARK 100 THE DEPOSITION ID IS D_1000059253. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-NOV-09 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSRRC REMARK 200 BEAMLINE : BL13B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20188 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.05800 REMARK 200 R SYM (I) : 0.07500 REMARK 200 FOR THE DATA SET : 27.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 7.00 REMARK 200 R MERGE FOR SHELL (I) : 0.05800 REMARK 200 R SYM FOR SHELL (I) : 0.42400 REMARK 200 FOR SHELL : 6.100 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: PDB ENTRY 3N12 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50MM POTASSIUM PHOSPHATE MONOBASIC, REMARK 280 20%(W/V) PEG 8000, PH 6.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 24.36850 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 39.54050 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.52250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 39.54050 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.36850 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.52250 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: 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 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 ALA A 28 REMARK 465 ASN A 29 REMARK 465 SER A 357 REMARK 465 LEU A 358 REMARK 465 GLN A 359 REMARK 465 LYS A 360 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 ASN A 42 48.26 -84.99 REMARK 500 SER A 74 -37.10 -138.03 REMARK 500 ASN A 153 -12.42 84.72 REMARK 500 VAL A 194 -82.04 -124.07 REMARK 500 SER A 203 -135.46 55.68 REMARK 500 HIS A 226 44.65 -80.32 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CHQ A 1514 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3N11 RELATED DB: PDB REMARK 900 WILD-TYPE CHITINASE FROM BACILLUS CEREUS NCTU2 REMARK 900 RELATED ID: 3N12 RELATED DB: PDB REMARK 900 CHITINASE IN COMPLEX WITH ZINC ATOMS FROM BACILLUS CEREUS NCTU2 REMARK 900 RELATED ID: 3N13 RELATED DB: PDB REMARK 900 D143A CHITINASE IN COMPLEX WITH NAG FROM BACILLUS CEREUS NCTU2 REMARK 900 RELATED ID: 3N15 RELATED DB: PDB REMARK 900 E145Q CHITINASE IN COMPLEX WITH NAG FROM BACILLUS CEREUS NCTU2 REMARK 900 RELATED ID: 3N17 RELATED DB: PDB REMARK 900 E145Q/Y227F CHITINASE IN COMPLEX WITH NAG FROM BACILLUS CEREUS NCTU2 REMARK 900 RELATED ID: 3N18 RELATED DB: PDB REMARK 900 E145G/Y227F CHITINASE IN COMPLEX WITH NAG FROM BACILLUS CEREUS NCTU2 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THERE IS CONFLICT BETWEEN THE REPORTED SEQUENCE AND DATABASE REMARK 999 REFERENCE SEQUENCE. ACCORDING TO THE ELECTRON DENSITY THE POSITION REMARK 999 277 IS OBVIOUSLY VAL THAN ALA. DBREF 3N1A A 28 360 UNP D0VV09 D0VV09_BACCE 28 360 SEQADV 3N1A GLY A 145 UNP D0VV09 GLU 145 ENGINEERED MUTATION SEQADV 3N1A PHE A 227 UNP D0VV09 TYR 227 ENGINEERED MUTATION SEQADV 3N1A VAL A 277 UNP D0VV09 ALA 277 SEE REMARK 999 SEQRES 1 A 333 ALA ASN ASN LEU GLY SER LYS LEU LEU VAL GLY TYR TRP SEQRES 2 A 333 HIS ASN PHE ASP ASN GLY THR GLY ILE ILE LYS LEU LYS SEQRES 3 A 333 ASP VAL SER PRO LYS TRP ASP VAL ILE ASN VAL SER PHE SEQRES 4 A 333 GLY GLU THR GLY GLY ASP ARG SER THR VAL GLU PHE SER SEQRES 5 A 333 PRO VAL TYR GLY THR ASP ALA ASP PHE LYS SER ASP ILE SEQRES 6 A 333 SER TYR LEU LYS SER LYS GLY LYS LYS VAL VAL LEU SER SEQRES 7 A 333 ILE GLY GLY GLN ASN GLY VAL VAL LEU LEU PRO ASP ASN SEQRES 8 A 333 ALA ALA LYS ASP ARG PHE ILE ASN SER ILE GLN SER LEU SEQRES 9 A 333 ILE ASP LYS TYR GLY PHE ASP GLY ILE ASP ILE ASP LEU SEQRES 10 A 333 GLY SER GLY ILE TYR LEU ASN GLY ASN ASP THR ASN PHE SEQRES 11 A 333 LYS ASN PRO THR THR PRO GLN ILE VAL ASN LEU ILE SER SEQRES 12 A 333 ALA ILE ARG THR ILE SER ASP HIS TYR GLY PRO ASP PHE SEQRES 13 A 333 LEU LEU SER MET ALA PRO GLU THR ALA TYR VAL GLN GLY SEQRES 14 A 333 GLY TYR SER ALA TYR GLY SER ILE TRP GLY ALA TYR LEU SEQRES 15 A 333 PRO ILE ILE TYR GLY VAL LYS ASP LYS LEU THR TYR ILE SEQRES 16 A 333 HIS VAL GLN HIS PHE ASN ALA GLY SER GLY ILE GLY MET SEQRES 17 A 333 ASP GLY ASN ASN TYR ASN GLN GLY THR ALA ASP TYR GLU SEQRES 18 A 333 VAL ALA MET ALA ASP MET LEU LEU HIS GLY PHE PRO VAL SEQRES 19 A 333 GLY GLY ASN ALA ASN ASN ILE PHE PRO ALA LEU ARG SER SEQRES 20 A 333 ASP GLN VAL MET ILE GLY LEU PRO ALA ALA PRO ALA ALA SEQRES 21 A 333 ALA PRO SER GLY GLY TYR ILE SER PRO THR GLU MET LYS SEQRES 22 A 333 LYS ALA LEU ASN TYR ILE ILE LYS GLY VAL PRO PHE GLY SEQRES 23 A 333 GLY LYS TYR LYS LEU SER ASN GLN SER GLY TYR PRO ALA SEQRES 24 A 333 PHE ARG GLY LEU MET SER TRP SER ILE ASN TRP ASP ALA SEQRES 25 A 333 LYS ASN ASN PHE GLU PHE SER ASN ASN TYR ARG THR TYR SEQRES 26 A 333 PHE ASP GLY LEU SER LEU GLN LYS HET CHQ A1514 17 HETNAM CHQ CYCLO-(L-HISTIDINE-L-PROLINE) INHIBITOR HETSYN CHQ (3S,8AR)-3-(1H-IMIDAZOL-5-YLMETHYL)HEXAHYDROPYRROLO[1, HETSYN 2 CHQ 2-A]PYRAZINE-1,4-DIONE FORMUL 2 CHQ C11 H14 N4 O2 FORMUL 3 HOH *96(H2 O) HELIX 1 1 LYS A 51 VAL A 55 5 5 HELIX 2 2 THR A 84 LYS A 98 1 15 HELIX 3 3 ASP A 117 GLY A 136 1 20 HELIX 4 4 THR A 162 TYR A 179 1 18 HELIX 5 5 GLU A 190 SER A 199 5 10 HELIX 6 6 TYR A 208 LYS A 216 1 9 HELIX 7 7 THR A 244 HIS A 257 1 14 HELIX 8 8 ARG A 273 ASP A 275 5 3 HELIX 9 9 ALA A 284 ALA A 288 5 5 HELIX 10 10 SER A 295 GLY A 309 1 15 HELIX 11 11 SER A 334 ASN A 341 1 8 HELIX 12 12 PHE A 343 GLY A 355 1 13 SHEET 1 A10 VAL A 76 GLU A 77 0 SHEET 2 A10 VAL A 61 THR A 69 -1 N GLU A 68 O GLU A 77 SHEET 3 A10 LYS A 101 GLY A 107 1 O LYS A 101 N ILE A 62 SHEET 4 A10 GLY A 139 ASP A 143 1 O ASP A 141 N ILE A 106 SHEET 5 A10 LEU A 184 MET A 187 1 O SER A 186 N ILE A 142 SHEET 6 A10 TYR A 221 GLN A 225 1 O HIS A 223 N MET A 187 SHEET 7 A10 VAL A 277 PRO A 282 1 O MET A 278 N ILE A 222 SHEET 8 A10 GLY A 329 TRP A 333 1 O MET A 331 N ILE A 279 SHEET 9 A10 LEU A 35 HIS A 41 1 N VAL A 37 O LEU A 330 SHEET 10 A10 VAL A 61 THR A 69 1 O ASN A 63 N GLY A 38 SHEET 1 B 2 SER A 231 ILE A 233 0 SHEET 2 B 2 ASN A 239 ASN A 241 -1 O TYR A 240 N GLY A 232 SHEET 1 C 2 GLY A 258 VAL A 261 0 SHEET 2 C 2 ASN A 264 PRO A 270 -1 O PHE A 269 N PHE A 259 CISPEP 1 SER A 65 PHE A 66 0 1.13 CISPEP 2 TRP A 333 SER A 334 0 2.23 SITE 1 AC1 8 PHE A 43 PHE A 66 GLN A 109 ASP A 143 SITE 2 AC1 8 GLN A 225 PHE A 227 TRP A 333 HOH A 373 CRYST1 48.737 75.045 79.081 90.00 90.00 90.00 P 21 21 21 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 0.020518 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013325 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012645 0.00000