HEADER HYDROLASE 26-JUL-06 2HUC TITLE STRUCTURAL STUDIES EXAMINING THE SUBSTRATE SPECIFICITY PROFILES OF PC- TITLE 2 PLCBC PROTEIN VARIANTS COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE C; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: PC-PLC; COMPND 5 SYNONYM: PLC, PHOSPHATIDYLCHOLINE CHOLINEPHOSPHOHYDROLASE, CEREOLYSIN COMPND 6 A; COMPND 7 EC: 3.1.4.3; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS CEREUS; SOURCE 3 ORGANISM_TAXID: 1396; SOURCE 4 GENE: PLC; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: DH5-ALPHA; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PMAL-C2 KEYWDS PLC, BACILLUS CEREUS, SUBSTRATE SPECIFICITY, E4G, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.P.BENFIELD,S.F.MARTIN,N.M.ANTIKAINEN REVDAT 6 14-FEB-24 2HUC 1 REMARK REVDAT 5 20-OCT-21 2HUC 1 REMARK SEQADV LINK REVDAT 4 18-OCT-17 2HUC 1 REMARK REVDAT 3 24-FEB-09 2HUC 1 VERSN REVDAT 2 17-APR-07 2HUC 1 JRNL REVDAT 1 08-AUG-06 2HUC 0 JRNL AUTH A.P.BENFIELD,N.M.GOODEY,L.T.PHILLIPS,S.F.MARTIN JRNL TITL STRUCTURAL STUDIES EXAMINING THE SUBSTRATE SPECIFICITY JRNL TITL 2 PROFILES OF PC-PLC(BC) PROTEIN VARIANTS. JRNL REF ARCH.BIOCHEM.BIOPHYS. V. 460 41 2007 JRNL REFN ISSN 0003-9861 JRNL PMID 17324372 JRNL DOI 10.1016/J.ABB.2007.01.023 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.4 REMARK 3 NUMBER OF REFLECTIONS : 23221 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : 5% REMARK 3 R VALUE (WORKING SET) : 0.187 REMARK 3 FREE R VALUE : 0.208 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1172 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 23 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.93 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 650 REMARK 3 BIN R VALUE (WORKING SET) : 0.1850 REMARK 3 BIN FREE R VALUE : 0.1500 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 30 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1996 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 199 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.42 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.47800 REMARK 3 B22 (A**2) : 1.47800 REMARK 3 B33 (A**2) : -2.95600 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.130 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.110 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.576 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.920 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.806 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 58.05 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CNS_TOPPAR:DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : CNS_TOPPAR:PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : CNS_TOPPAR:DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : CNS_TOPPAR:WATER.TOP REMARK 3 TOPOLOGY FILE 4 : CNS_TOPPAR:ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2HUC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-JUL-06. REMARK 100 THE DEPOSITION ID IS D_1000038771. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23254 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.03600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 31.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.16200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> 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: CCP4 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.36 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 45% AMMONIUM SULFATE, PH 5.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 35.97850 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 44.98650 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 44.98650 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 53.96775 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 44.98650 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 44.98650 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 17.98925 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 44.98650 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 44.98650 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 53.96775 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 44.98650 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 44.98650 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 17.98925 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 35.97850 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 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 ARG A 245 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 356 O HOH A 356 7555 1.13 REMARK 500 O HOH A 447 O HOH A 447 8775 1.82 REMARK 500 O HOH A 357 O HOH A 357 7555 2.16 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 ALA A 3 57.43 -156.67 REMARK 500 TYR A 71 113.35 -167.74 REMARK 500 PHE A 82 -0.05 70.58 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 ZN A 248 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TRP A 1 O REMARK 620 2 TRP A 1 N 74.9 REMARK 620 3 HIS A 14 NE2 97.0 110.7 REMARK 620 4 ASP A 122 OD1 164.3 89.5 90.2 REMARK 620 5 HOH A 249 O 88.8 130.1 118.0 100.1 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 246 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 55 OD1 REMARK 620 2 HIS A 69 ND1 79.9 REMARK 620 3 HIS A 118 NE2 88.0 108.9 REMARK 620 4 ASP A 122 OD2 172.3 93.9 89.8 REMARK 620 5 HOH A 249 O 81.6 132.0 114.3 105.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 247 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 128 NE2 REMARK 620 2 HIS A 142 NE2 100.4 REMARK 620 3 GLU A 146 OE1 150.0 89.4 REMARK 620 4 GLU A 146 OE2 96.7 94.0 54.1 REMARK 620 5 HOH A 250 O 97.0 161.2 78.9 91.0 REMARK 620 6 HOH A 251 O 104.6 90.9 103.5 157.0 77.8 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 246 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 247 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 248 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2FFZ RELATED DB: PDB REMARK 900 RELATED ID: 2FGN RELATED DB: PDB DBREF 2HUC A 1 245 UNP P09598 PHLC_BACCE 39 283 SEQADV 2HUC GLY A 4 UNP P09598 GLU 42 ENGINEERED MUTATION SEQRES 1 A 245 TRP SER ALA GLY ASP LYS HIS LYS GLU GLY VAL ASN SER SEQRES 2 A 245 HIS LEU TRP ILE VAL ASN ARG ALA ILE ASP ILE MET SER SEQRES 3 A 245 ARG ASN THR THR LEU VAL LYS GLN ASP ARG VAL ALA GLN SEQRES 4 A 245 LEU ASN GLU TRP ARG THR GLU LEU GLU ASN GLY ILE TYR SEQRES 5 A 245 ALA ALA ASP TYR GLU ASN PRO TYR TYR ASP ASN SER THR SEQRES 6 A 245 PHE ALA SER HIS PHE TYR ASP PRO ASP ASN GLY LYS THR SEQRES 7 A 245 TYR ILE PRO PHE ALA LYS GLN ALA LYS GLU THR GLY ALA SEQRES 8 A 245 LYS TYR PHE LYS LEU ALA GLY GLU SER TYR LYS ASN LYS SEQRES 9 A 245 ASP MET LYS GLN ALA PHE PHE TYR LEU GLY LEU SER LEU SEQRES 10 A 245 HIS TYR LEU GLY ASP VAL ASN GLN PRO MET HIS ALA ALA SEQRES 11 A 245 ASN PHE THR ASN LEU SER TYR PRO GLN GLY PHE HIS SER SEQRES 12 A 245 LYS TYR GLU ASN PHE VAL ASP THR ILE LYS ASP ASN TYR SEQRES 13 A 245 LYS VAL THR ASP GLY ASN GLY TYR TRP ASN TRP LYS GLY SEQRES 14 A 245 THR ASN PRO GLU GLU TRP ILE HIS GLY ALA ALA VAL VAL SEQRES 15 A 245 ALA LYS GLN ASP TYR SER GLY ILE VAL ASN ASP ASN THR SEQRES 16 A 245 LYS ASP TRP PHE VAL LYS ALA ALA VAL SER GLN GLU TYR SEQRES 17 A 245 ALA ASP LYS TRP ARG ALA GLU VAL THR PRO MET THR GLY SEQRES 18 A 245 LYS ARG LEU MET ASP ALA GLN ARG VAL THR ALA GLY TYR SEQRES 19 A 245 ILE GLN LEU TRP PHE ASP THR TYR GLY ASP ARG HET ZN A 246 1 HET ZN A 247 1 HET ZN A 248 1 HETNAM ZN ZINC ION FORMUL 2 ZN 3(ZN 2+) FORMUL 5 HOH *199(H2 O) HELIX 1 1 ASN A 12 ASN A 28 1 17 HELIX 2 2 GLN A 34 TRP A 43 1 10 HELIX 3 3 TRP A 43 ALA A 54 1 12 HELIX 4 4 PHE A 66 PHE A 70 5 5 HELIX 5 5 GLN A 85 ASN A 103 1 19 HELIX 6 6 ASP A 105 VAL A 123 1 19 HELIX 7 7 GLN A 125 ALA A 130 1 6 HELIX 8 8 GLY A 140 LYS A 153 1 14 HELIX 9 9 ASP A 154 TYR A 156 5 3 HELIX 10 10 ASN A 171 ASP A 186 1 16 HELIX 11 11 TYR A 187 ILE A 190 5 4 HELIX 12 12 ASN A 192 ALA A 202 1 11 HELIX 13 13 SER A 205 GLY A 243 1 39 LINK O TRP A 1 ZN ZN A 248 1555 1555 2.27 LINK N TRP A 1 ZN ZN A 248 1555 1555 2.23 LINK NE2 HIS A 14 ZN ZN A 248 1555 1555 2.14 LINK OD1 ASP A 55 ZN ZN A 246 1555 1555 2.39 LINK ND1 HIS A 69 ZN ZN A 246 1555 1555 2.15 LINK NE2 HIS A 118 ZN ZN A 246 1555 1555 2.22 LINK OD2 ASP A 122 ZN ZN A 246 1555 1555 2.20 LINK OD1 ASP A 122 ZN ZN A 248 1555 1555 2.19 LINK NE2 HIS A 128 ZN ZN A 247 1555 1555 2.16 LINK NE2 HIS A 142 ZN ZN A 247 1555 1555 2.23 LINK OE1 GLU A 146 ZN ZN A 247 1555 1555 2.48 LINK OE2 GLU A 146 ZN ZN A 247 1555 1555 2.36 LINK ZN ZN A 246 O HOH A 249 1555 1555 2.10 LINK ZN ZN A 247 O HOH A 250 1555 1555 2.27 LINK ZN ZN A 247 O HOH A 251 1555 1555 2.41 LINK ZN ZN A 248 O HOH A 249 1555 1555 2.11 CISPEP 1 ASN A 58 PRO A 59 0 0.33 CISPEP 2 TYR A 137 PRO A 138 0 -0.04 SITE 1 AC1 6 ASP A 55 HIS A 69 HIS A 118 ASP A 122 SITE 2 AC1 6 ZN A 248 HOH A 249 SITE 1 AC2 5 HIS A 128 HIS A 142 GLU A 146 HOH A 250 SITE 2 AC2 5 HOH A 251 SITE 1 AC3 6 TRP A 1 HIS A 14 ASP A 122 ZN A 246 SITE 2 AC3 6 HOH A 249 HOH A 250 CRYST1 89.973 89.973 71.957 90.00 90.00 90.00 P 43 21 2 8 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 0.011114 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011114 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013897 0.00000