HEADER HYDROLASE 06-DEC-04 1Y6P TITLE CRYSTAL STRUCTURE OF DISULFIDE ENGINEERED PORCINE PANCRATIC TITLE 2 PHOSPHOLIPASE A2 TO GROUP-X ISOZYME COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2, MAJOR ISOENZYME; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE, GROUP IB PHOSPHOLIPASE COMPND 5 A2; COMPND 6 EC: 3.1.1.4; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES; COMPND 9 OTHER_DETAILS: M8L,M20L, N50C, C-TERMINAL INSERTION KGESDKC (RESIDUES COMPND 10 125-131) SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SUS SCROFA; SOURCE 3 ORGANISM_COMMON: PIG; SOURCE 4 ORGANISM_TAXID: 9823; SOURCE 5 GENE: PLA2G1B; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: PC2429; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PMAR25 KEYWDS HYDROLASE, DISULFIDE ENGINEERED PLA2, PORCINE PANCRATIC ISOZYME EXPDTA X-RAY DIFFRACTION AUTHOR B.Z.YU,Y.H.PAN,M.J.W.JASSEN,B.J.BAHNSON,M.K.JAIN REVDAT 5 23-AUG-23 1Y6P 1 REMARK REVDAT 4 20-OCT-21 1Y6P 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 1Y6P 1 VERSN REVDAT 2 24-FEB-09 1Y6P 1 VERSN REVDAT 1 22-MAR-05 1Y6P 0 JRNL AUTH B.Z.YU,Y.H.PAN,M.J.W.JANSSEN,B.J.BAHNSON,M.K.JAIN JRNL TITL KINETIC AND STRUCTURAL PROPERTIES OF DISULFIDE ENGINEERED JRNL TITL 2 PHOSPHOLIPASE A(2): INSIGHT INTO THE ROLE OF DISULFIDE JRNL TITL 3 BONDING PATTERNS. JRNL REF BIOCHEMISTRY V. 44 3369 2005 JRNL REFN ISSN 0006-2960 JRNL PMID 15736947 JRNL DOI 10.1021/BI0482147 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.J.JANSSEN,H.M.VERHEIJ,A.J.SLOTBOOM,M.R.EGMOND REMARK 1 TITL ENGINEEERING THE DISULPHIDE BOND PATTERNS OF SECRETORY REMARK 1 TITL 2 PHOSPOLIPASES A2 INTO PORCINE PANCRATIC ISOZYME. THE EFFECTS REMARK 1 TITL 3 ON FOLDING, STABILITY AND ENZYMATIC PROPERTIES REMARK 1 REF EUR.J.BIOCHEM. V. 261 197 1999 REMARK 1 REFN ISSN 0014-2956 REMARK 1 REFERENCE 2 REMARK 1 AUTH Y.H.PAN,B.Z.YU,A.G.SINGER,F.GHOMASHCHI,G.LAMBEAU,M.K.JAIN, REMARK 1 AUTH 2 B.J.BAHNSON REMARK 1 TITL CRYSTAL STRUCTURE OF HUMAN GROUP X SECRETED PHOSPHOLIPASE REMARK 1 TITL 2 A2. ELECTROSTATICALLY NEUTRAL INTERFACIAL SURFACE TARGETS REMARK 1 TITL 3 ZWITTERIONIC MEMBRANES REMARK 1 REF J.MOL.BIOL. V. 277 29086 2002 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : -3.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 169796.850 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.2 REMARK 3 NUMBER OF REFLECTIONS : 10213 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 SET) : 0.188 REMARK 3 FREE R VALUE : 0.261 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.300 REMARK 3 FREE R VALUE TEST SET COUNT : 541 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.011 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.25 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.39 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1523 REMARK 3 BIN R VALUE (WORKING SET) : 0.2190 REMARK 3 BIN FREE R VALUE : 0.2760 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 83 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.030 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2040 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 216 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.00 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM SIGMAA (A) : 0.20 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.34 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.26 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.700 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.040 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.660 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.590 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.330 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.33 REMARK 3 BSOL : 40.20 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1Y6P COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-DEC-04. REMARK 100 THE DEPOSITION ID IS D_1000031184. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-FEB-01 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 7.5 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 RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : YALE MIRRORS REMARK 200 OPTICS : MIRRORS 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 : 11340 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 19.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 2.800 REMARK 200 R MERGE (I) : 0.11300 REMARK 200 R SYM (I) : 0.09000 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) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.8 REMARK 200 DATA REDUNDANCY IN SHELL : 2.80 REMARK 200 R MERGE FOR SHELL (I) : 0.32300 REMARK 200 R SYM FOR SHELL (I) : 0.30000 REMARK 200 FOR SHELL : 3.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB CODE 1FXF REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.21 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, ISO-PROPANOL, PH 7.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 44.19150 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 300 REMARK: THE ASYMMETRIC UNIT CONTAINS TWO BIOLOGICAL UNITS: CHAIN A REMARK 300 AND B. 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: PQS 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1730 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13860 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -60.0 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 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 THR A 80 -4.75 75.78 REMARK 500 TYR A 123 -15.40 -159.44 REMARK 500 ASP B 66 27.80 46.87 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 CA A 217 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 28 O REMARK 620 2 GLY A 30 O 88.8 REMARK 620 3 GLY A 32 N 140.9 69.9 REMARK 620 4 GLY A 32 O 87.5 86.2 59.7 REMARK 620 5 HOH A 323 O 79.9 95.0 132.5 167.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 219 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 71 OE2 REMARK 620 2 SER A 72 O 87.0 REMARK 620 3 GLU A 92 OE2 91.2 86.8 REMARK 620 4 GLU B 71 OE2 98.5 173.3 96.8 REMARK 620 5 SER B 72 O 173.1 94.0 95.6 80.0 REMARK 620 6 GLU B 92 OE1 88.7 87.7 174.5 88.7 84.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 218 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR B 28 O REMARK 620 2 GLY B 30 O 86.3 REMARK 620 3 GLY B 32 O 94.6 85.5 REMARK 620 4 ASP B 49 OD1 98.9 124.0 148.1 REMARK 620 5 ASP B 49 OD2 107.1 164.2 101.5 46.9 REMARK 620 6 HOH B 290 O 64.8 66.1 144.9 66.4 111.4 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 CA A 217 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 218 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 219 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 220 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B 221 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1Y6O RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF DISULFIDE ENGINEERED PORCINE PANCREATIC REMARK 900 PHOSPHOLIPASE A2 TO GROUP-X ISOZYME IN COMPLEX WITH INHIBITOR MJ33 REMARK 900 AND PHOSPHATE IONS REMARK 900 RELATED ID: 1LE6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN GROUP X SECRETED PHOSPHOLIPASE A2 REMARK 999 REMARK 999 SEQUENCE C-TERMINAL EXTENSION (RESIDUES 125-131) KGESDKC WERE REMARK 999 ADDED TO MODEL THE DISULFIDE BONDING PATTERN OF THE GROUP X REMARK 999 ENZYME. DBREF 1Y6P A 1 124 UNP P00592 PA21B_PIG 23 146 DBREF 1Y6P B 1 124 UNP P00592 PA21B_PIG 23 146 SEQADV 1Y6P LEU A 8 UNP P00592 MET 30 ENGINEERED MUTATION SEQADV 1Y6P LEU A 20 UNP P00592 MET 42 ENGINEERED MUTATION SEQADV 1Y6P CYS A 50 UNP P00592 ASN 72 ENGINEERED MUTATION SEQADV 1Y6P LYS A 125 UNP P00592 SEE REMARK 999 SEQADV 1Y6P GLY A 126 UNP P00592 SEE REMARK 999 SEQADV 1Y6P GLU A 127 UNP P00592 SEE REMARK 999 SEQADV 1Y6P SER A 128 UNP P00592 SEE REMARK 999 SEQADV 1Y6P ASP A 129 UNP P00592 SEE REMARK 999 SEQADV 1Y6P LYS A 130 UNP P00592 SEE REMARK 999 SEQADV 1Y6P CYS A 131 UNP P00592 SEE REMARK 999 SEQADV 1Y6P LEU B 8 UNP P00592 MET 30 ENGINEERED MUTATION SEQADV 1Y6P LEU B 20 UNP P00592 MET 42 ENGINEERED MUTATION SEQADV 1Y6P CYS B 50 UNP P00592 ASN 72 ENGINEERED MUTATION SEQADV 1Y6P LYS B 125 UNP P00592 SEE REMARK 999 SEQADV 1Y6P GLY B 126 UNP P00592 SEE REMARK 999 SEQADV 1Y6P GLU B 127 UNP P00592 SEE REMARK 999 SEQADV 1Y6P SER B 128 UNP P00592 SEE REMARK 999 SEQADV 1Y6P ASP B 129 UNP P00592 SEE REMARK 999 SEQADV 1Y6P LYS B 130 UNP P00592 SEE REMARK 999 SEQADV 1Y6P CYS B 131 UNP P00592 SEE REMARK 999 SEQRES 1 A 131 ALA LEU TRP GLN PHE ARG SER LEU ILE LYS CYS ALA ILE SEQRES 2 A 131 PRO GLY SER HIS PRO LEU LEU ASP PHE ASN ASN TYR GLY SEQRES 3 A 131 CYS TYR CYS GLY LEU GLY GLY SER GLY THR PRO VAL ASP SEQRES 4 A 131 GLU LEU ASP ARG CYS CYS GLU THR HIS ASP CYS CYS TYR SEQRES 5 A 131 ARG ASP ALA LYS ASN LEU ASP SER CYS LYS PHE LEU VAL SEQRES 6 A 131 ASP ASN PRO TYR THR GLU SER TYR SER TYR SER CYS SER SEQRES 7 A 131 ASN THR GLU ILE THR CYS ASN SER LYS ASN ASN ALA CYS SEQRES 8 A 131 GLU ALA PHE ILE CYS ASN CYS ASP ARG ASN ALA ALA ILE SEQRES 9 A 131 CYS PHE SER LYS ALA PRO TYR ASN LYS GLU HIS LYS ASN SEQRES 10 A 131 LEU ASP THR LYS LYS TYR CYS LYS GLY GLU SER ASP LYS SEQRES 11 A 131 CYS SEQRES 1 B 131 ALA LEU TRP GLN PHE ARG SER LEU ILE LYS CYS ALA ILE SEQRES 2 B 131 PRO GLY SER HIS PRO LEU LEU ASP PHE ASN ASN TYR GLY SEQRES 3 B 131 CYS TYR CYS GLY LEU GLY GLY SER GLY THR PRO VAL ASP SEQRES 4 B 131 GLU LEU ASP ARG CYS CYS GLU THR HIS ASP CYS CYS TYR SEQRES 5 B 131 ARG ASP ALA LYS ASN LEU ASP SER CYS LYS PHE LEU VAL SEQRES 6 B 131 ASP ASN PRO TYR THR GLU SER TYR SER TYR SER CYS SER SEQRES 7 B 131 ASN THR GLU ILE THR CYS ASN SER LYS ASN ASN ALA CYS SEQRES 8 B 131 GLU ALA PHE ILE CYS ASN CYS ASP ARG ASN ALA ALA ILE SEQRES 9 B 131 CYS PHE SER LYS ALA PRO TYR ASN LYS GLU HIS LYS ASN SEQRES 10 B 131 LEU ASP THR LYS LYS TYR CYS LYS GLY GLU SER ASP LYS SEQRES 11 B 131 CYS HET CA A 217 1 HET CA A 219 1 HET CL A 220 1 HET CA B 218 1 HET CL B 221 1 HETNAM CA CALCIUM ION HETNAM CL CHLORIDE ION FORMUL 3 CA 3(CA 2+) FORMUL 5 CL 2(CL 1-) FORMUL 8 HOH *216(H2 O) HELIX 1 1 ALA A 1 ILE A 13 1 13 HELIX 2 2 HIS A 17 ASN A 23 1 7 HELIX 3 3 ASP A 39 LYS A 56 1 18 HELIX 4 4 LEU A 58 VAL A 65 1 8 HELIX 5 5 ASN A 89 ALA A 109 1 21 HELIX 6 6 ASN A 112 LYS A 116 5 5 HELIX 7 7 ASP A 119 TYR A 123 5 5 HELIX 8 8 ALA B 1 ILE B 13 1 13 HELIX 9 9 HIS B 17 PHE B 22 1 6 HELIX 10 10 ASP B 39 LEU B 58 1 20 HELIX 11 11 PHE B 63 GLU B 71 5 9 HELIX 12 12 ASN B 89 LYS B 108 1 20 HELIX 13 13 ASN B 112 LYS B 116 5 5 HELIX 14 14 ASP B 119 CYS B 124 1 6 SHEET 1 A 2 TYR A 75 SER A 78 0 SHEET 2 A 2 GLU A 81 CYS A 84 -1 O GLU A 81 N SER A 78 SHEET 1 B 2 TYR B 75 CYS B 77 0 SHEET 2 B 2 ILE B 82 CYS B 84 -1 O THR B 83 N SER B 76 SSBOND 1 CYS A 11 CYS A 77 1555 1555 2.03 SSBOND 2 CYS A 27 CYS A 124 1555 1555 2.03 SSBOND 3 CYS A 29 CYS A 45 1555 1555 2.03 SSBOND 4 CYS A 44 CYS A 105 1555 1555 2.03 SSBOND 5 CYS A 50 CYS A 131 1555 1555 2.03 SSBOND 6 CYS A 51 CYS A 98 1555 1555 2.03 SSBOND 7 CYS A 61 CYS A 91 1555 1555 2.04 SSBOND 8 CYS A 84 CYS A 96 1555 1555 2.03 SSBOND 9 CYS B 11 CYS B 77 1555 1555 2.03 SSBOND 10 CYS B 27 CYS B 124 1555 1555 2.04 SSBOND 11 CYS B 29 CYS B 45 1555 1555 2.03 SSBOND 12 CYS B 44 CYS B 105 1555 1555 2.03 SSBOND 13 CYS B 50 CYS B 131 1555 1555 2.04 SSBOND 14 CYS B 51 CYS B 98 1555 1555 2.03 SSBOND 15 CYS B 61 CYS B 91 1555 1555 2.04 SSBOND 16 CYS B 84 CYS B 96 1555 1555 2.03 LINK O TYR A 28 CA CA A 217 1555 1555 2.48 LINK O GLY A 30 CA CA A 217 1555 1555 2.23 LINK N GLY A 32 CA CA A 217 1555 1555 2.85 LINK O GLY A 32 CA CA A 217 1555 1555 2.66 LINK OE2 GLU A 71 CA CA A 219 1555 1555 2.19 LINK O SER A 72 CA CA A 219 1555 1555 2.46 LINK OE2 GLU A 92 CA CA A 219 1555 1555 2.28 LINK CA CA A 217 O HOH A 323 1555 1555 2.21 LINK CA CA A 219 OE2 GLU B 71 1555 1555 2.44 LINK CA CA A 219 O SER B 72 1555 1555 2.34 LINK CA CA A 219 OE1 GLU B 92 1555 1555 2.31 LINK O TYR B 28 CA CA B 218 1555 1555 2.40 LINK O GLY B 30 CA CA B 218 1555 1555 2.29 LINK O GLY B 32 CA CA B 218 1555 1555 2.40 LINK OD1 ASP B 49 CA CA B 218 1555 1555 2.99 LINK OD2 ASP B 49 CA CA B 218 1555 1555 2.18 LINK CA CA B 218 O HOH B 290 1555 1555 3.29 SITE 1 AC1 5 TYR A 28 GLY A 30 LEU A 31 GLY A 32 SITE 2 AC1 5 HOH A 323 SITE 1 AC2 4 TYR B 28 GLY B 30 GLY B 32 ASP B 49 SITE 1 AC3 6 GLU A 71 SER A 72 GLU A 92 GLU B 71 SITE 2 AC3 6 SER B 72 GLU B 92 SITE 1 AC4 4 ARG A 53 ARG B 6 HIS B 17 LEU B 19 SITE 1 AC5 1 PRO B 110 CRYST1 34.988 88.383 38.560 90.00 105.65 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 0.028581 0.000000 0.008007 0.00000 SCALE2 0.000000 0.011314 0.000000 0.00000 SCALE3 0.000000 0.000000 0.026932 0.00000