HEADER HYDROLASE 26-SEP-14 4RFP TITLE CRYSTAL STRUCTURE OF A ACIDIC PLA2 FROM TRIMERESURUS STEJNEGERI VENOM COMPND MOL_ID: 1; COMPND 2 MOLECULE: ACIDIC PHOSPHOLIPASE A2 5; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: SVPLA2, PLA2-V, PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE; COMPND 5 EC: 3.1.1.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRIMERESURUS STEJNEGERI; SOURCE 3 ORGANISM_COMMON: CHINESE GREEN TREE VIPER; SOURCE 4 ORGANISM_TAXID: 39682 KEYWDS ALPHA-HELIX, HYDROLASE, GLYCEROPHOSPHOLIPID, VENOM GLAND EXPDTA X-RAY DIFFRACTION AUTHOR F.ZENG,L.NIU,X.LI,M.TENG REVDAT 2 20-SEP-23 4RFP 1 REMARK SEQADV REVDAT 1 15-OCT-14 4RFP 0 SPRSDE 15-OCT-14 4RFP 4H0Q JRNL AUTH F.ZENG,L.NIU,X.LI,M.TENG JRNL TITL CRYSTAL STRUCTURE OF A ACIDIC PLA2 FROM TRIMERESURUS JRNL TITL 2 STEJNEGERI VENOM JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0073 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 30586 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) : 0.184 REMARK 3 R VALUE (WORKING SET) : 0.183 REMARK 3 FREE R VALUE : 0.209 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1625 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) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.64 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2250 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.1870 REMARK 3 BIN FREE R VALUE SET COUNT : 114 REMARK 3 BIN FREE R VALUE : 0.2170 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1902 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 184 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.25 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.74000 REMARK 3 B22 (A**2) : -0.49000 REMARK 3 B33 (A**2) : -2.25000 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): 0.092 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.090 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.055 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.538 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.953 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.942 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1982 ; 0.008 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 1713 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2673 ; 1.278 ; 1.942 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3981 ; 0.789 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 242 ; 5.205 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 104 ;39.448 ;25.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 321 ;13.497 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 10 ; 8.857 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 257 ; 0.079 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2297 ; 0.005 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 465 ; 0.001 ; 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): 968 ; 1.331 ; 2.204 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 967 ; 1.321 ; 2.202 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1207 ; 2.164 ; 3.305 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1208 ; 2.167 ; 3.307 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1014 ; 1.985 ; 2.476 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1014 ; 1.983 ; 2.476 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1466 ; 3.067 ; 3.577 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 2494 ; 4.885 ;18.405 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 2495 ; 4.885 ;18.415 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 4RFP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-SEP-14. REMARK 100 THE DEPOSITION ID IS D_1000087288. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-DEC-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 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 RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97915 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32661 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.63 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 11.40 REMARK 200 R MERGE FOR SHELL (I) : 0.44500 REMARK 200 R SYM FOR SHELL (I) : 0.32900 REMARK 200 FOR SHELL : 7.500 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 1VAP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.82 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.19 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 12% PEG8000, 0.1 M SODIUM PHOSPHATE, REMARK 280 PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 287K, REMARK 280 TEMPERATURE 287.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 36.08850 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.85600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 36.08850 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.85600 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: 2160 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12820 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -1.0 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 ASP A 23 49.54 -151.51 REMARK 500 ALA A 77 46.94 -93.22 REMARK 500 ASN A 79 119.18 -166.20 REMARK 500 GLN A 116 -115.92 -119.25 REMARK 500 ASP B 23 48.95 -153.04 REMARK 500 LYS B 30 -104.70 -138.03 REMARK 500 ALA B 77 47.23 -91.58 REMARK 500 ASN B 79 119.08 -166.74 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 PEG B 202 REMARK 610 PEG B 203 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEG A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEG B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEG B 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEG B 203 DBREF 4RFP A 1 121 UNP P82896 PA2A5_TRIST 1 122 DBREF 4RFP B 1 121 UNP P82896 PA2A5_TRIST 1 122 SEQADV 4RFP ASN A 55 UNP P82896 THR 55 CONFLICT SEQADV 4RFP GLY A 56 UNP P82896 GLU 56 CONFLICT SEQADV 4RFP GLU A 61 UNP P82896 MET 61 CONFLICT SEQADV 4RFP SER A 114 UNP P82896 GLY 114 CONFLICT SEQADV 4RFP A UNP P82896 GLU 117 DELETION SEQADV 4RFP ASN B 55 UNP P82896 THR 55 CONFLICT SEQADV 4RFP GLY B 56 UNP P82896 GLU 56 CONFLICT SEQADV 4RFP GLU B 61 UNP P82896 MET 61 CONFLICT SEQADV 4RFP SER B 114 UNP P82896 GLY 114 CONFLICT SEQADV 4RFP B UNP P82896 GLU 117 DELETION SEQRES 1 A 121 ASN LEU MET GLN PHE GLU LEU LEU ILE MET LYS VAL ALA SEQRES 2 A 121 GLY ARG SER GLY ILE VAL TRP TYR SER ASP TYR GLY CYS SEQRES 3 A 121 PHE CYS GLY LYS GLY GLY HIS GLY ARG PRO GLN ASP ALA SEQRES 4 A 121 THR ASP ARG CYS CYS PHE VAL HIS ASP CYS CYS TYR GLY SEQRES 5 A 121 LYS VAL ASN GLY CYS ASP PRO LYS GLU ASP PHE TYR ARG SEQRES 6 A 121 TYR SER SER ASN ASN GLY ASP ILE VAL CYS GLU ALA ASN SEQRES 7 A 121 ASN PRO CYS THR LYS GLU ILE CYS GLU CYS ASP LYS ALA SEQRES 8 A 121 ALA ALA ILE CYS PHE ARG ASP ASN LYS ASP THR TYR ASP SEQRES 9 A 121 ASN LYS TYR TRP ASN ILE PRO MET GLU SER CYS GLN GLU SEQRES 10 A 121 SER GLU PRO CYS SEQRES 1 B 121 ASN LEU MET GLN PHE GLU LEU LEU ILE MET LYS VAL ALA SEQRES 2 B 121 GLY ARG SER GLY ILE VAL TRP TYR SER ASP TYR GLY CYS SEQRES 3 B 121 PHE CYS GLY LYS GLY GLY HIS GLY ARG PRO GLN ASP ALA SEQRES 4 B 121 THR ASP ARG CYS CYS PHE VAL HIS ASP CYS CYS TYR GLY SEQRES 5 B 121 LYS VAL ASN GLY CYS ASP PRO LYS GLU ASP PHE TYR ARG SEQRES 6 B 121 TYR SER SER ASN ASN GLY ASP ILE VAL CYS GLU ALA ASN SEQRES 7 B 121 ASN PRO CYS THR LYS GLU ILE CYS GLU CYS ASP LYS ALA SEQRES 8 B 121 ALA ALA ILE CYS PHE ARG ASP ASN LYS ASP THR TYR ASP SEQRES 9 B 121 ASN LYS TYR TRP ASN ILE PRO MET GLU SER CYS GLN GLU SEQRES 10 B 121 SER GLU PRO CYS HET PEG A 201 7 HET PEG B 201 7 HET PEG B 202 4 HET PEG B 203 4 HETNAM PEG DI(HYDROXYETHYL)ETHER FORMUL 3 PEG 4(C4 H10 O3) FORMUL 7 HOH *184(H2 O) HELIX 1 1 ASN A 1 GLY A 14 1 14 HELIX 2 2 SER A 16 TYR A 21 1 6 HELIX 3 3 ASP A 38 LYS A 53 1 16 HELIX 4 4 ASN A 79 ASN A 99 1 21 HELIX 5 5 LYS A 100 TYR A 103 5 4 HELIX 6 6 ASP A 104 TRP A 108 5 5 HELIX 7 7 PRO A 111 CYS A 115 5 5 HELIX 8 8 LEU B 2 GLY B 14 1 13 HELIX 9 9 SER B 16 TYR B 21 1 6 HELIX 10 10 ASP B 38 LYS B 53 1 16 HELIX 11 11 ASN B 79 ASN B 99 1 21 HELIX 12 12 LYS B 100 TYR B 103 5 4 HELIX 13 13 ASP B 104 TRP B 108 5 5 HELIX 14 14 PRO B 111 GLN B 116 5 6 SHEET 1 A 2 TYR A 66 ASN A 69 0 SHEET 2 A 2 ASP A 72 CYS A 75 -1 O VAL A 74 N SER A 67 SHEET 1 B 2 TYR B 66 SER B 67 0 SHEET 2 B 2 VAL B 74 CYS B 75 -1 O VAL B 74 N SER B 67 SSBOND 1 CYS A 26 CYS A 115 1555 1555 2.06 SSBOND 2 CYS A 28 CYS A 44 1555 1555 2.06 SSBOND 3 CYS A 43 CYS A 95 1555 1555 2.04 SSBOND 4 CYS A 49 CYS A 121 1555 1555 2.05 SSBOND 5 CYS A 50 CYS A 88 1555 1555 2.05 SSBOND 6 CYS A 57 CYS A 81 1555 1555 2.05 SSBOND 7 CYS A 75 CYS A 86 1555 1555 2.06 SSBOND 8 CYS B 26 CYS B 115 1555 1555 2.05 SSBOND 9 CYS B 28 CYS B 44 1555 1555 2.06 SSBOND 10 CYS B 43 CYS B 95 1555 1555 2.05 SSBOND 11 CYS B 49 CYS B 121 1555 1555 2.02 SSBOND 12 CYS B 50 CYS B 88 1555 1555 2.03 SSBOND 13 CYS B 57 CYS B 81 1555 1555 2.03 SSBOND 14 CYS B 75 CYS B 86 1555 1555 2.07 SITE 1 AC1 2 ARG A 15 TRP A 20 SITE 1 AC2 2 ARG B 15 PEG B 202 SITE 1 AC3 6 ALA B 77 ASN B 79 PRO B 80 LYS B 83 SITE 2 AC3 6 PEG B 201 HOH B 391 SITE 1 AC4 5 ASP B 101 THR B 102 TYR B 103 ASP B 104 SITE 2 AC4 5 HOH B 391 CRYST1 72.177 85.712 38.888 90.00 90.00 90.00 P 21 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 0.013855 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011667 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025715 0.00000