HEADER CARBOXYLIC ESTER HYDROLASE ZYMOGEN 07-SEP-90 4BP2 TITLE CRYSTALLOGRAPHIC REFINEMENT OF BOVINE PRO-PHOSPHOLIPASE A2 AT 1.6 TITLE 2 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2; COMPND 3 CHAIN: A; COMPND 4 EC: 3.1.1.4; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913 KEYWDS CARBOXYLIC ESTER HYDROLASE ZYMOGEN EXPDTA X-RAY DIFFRACTION AUTHOR B.C.FINZEL,P.C.WEBER,D.H.OHLENDORF,F.R.SALEMME REVDAT 5 29-NOV-17 4BP2 1 HELIX REVDAT 4 24-FEB-09 4BP2 1 VERSN REVDAT 3 01-APR-03 4BP2 1 JRNL REVDAT 2 15-OCT-94 4BP2 1 AUTHOR REVDAT 1 15-OCT-91 4BP2 0 JRNL AUTH B.C.FINZEL,P.C.WEBER,D.H.OHLENDORF,F.R.SALEMME JRNL TITL CRYSTALLOGRAPHIC REFINEMENT OF BOVINE PRO-PHOSPHOLIPASE A2 JRNL TITL 2 AT 1.6 A RESOLUTION. JRNL REF ACTA CRYSTALLOGR.,SECT.B V. 47 814 1991 JRNL REFN ISSN 0108-7681 JRNL PMID 1793547 JRNL DOI 10.1107/S0108768191004226 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 5.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 14100 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.190 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 895 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 16 REMARK 3 SOLVENT ATOMS : 60 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.024 ; 0.030 REMARK 3 ANGLE DISTANCE (A) : 0.037 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.047 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.017 ; 0.030 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.258 ; 0.300 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.191 ; 0.500 REMARK 3 MULTIPLE TORSION (A) : 0.210 ; 0.500 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.233 ; 0.500 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.103 ; 1.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.960 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.046 ; 1.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.306 ; 3.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ELECTRON DENSITY IS POOR FOR RESIDUES REMARK 3 ALA 1, LEU 2, TRP 3, CYS 61, LYS 62, VAL 63, LEU 64, ASN 71 AND REMARK 3 ASN 72 AND THE COORDINATES FOR THESE REGIONS SHOULD NOT BE REMARK 3 CONSIDERED RELIABLE. REMARK 4 REMARK 4 4BP2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000179271. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.88 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 34.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 68.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 68.00000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 34.00000 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 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 GLN A -6 REMARK 465 ALA A -5 REMARK 465 GLY A -4 REMARK 465 LEU A -3 REMARK 465 ASN A -2 REMARK 465 SER A -1 REMARK 465 ARG A 0 REMARK 465 VAL A 65 REMARK 465 ASP A 66 REMARK 465 ASN A 67 REMARK 465 PRO A 68 REMARK 465 TYR A 69 REMARK 465 THR A 70 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 TRP A 3 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP A 3 CZ3 CH2 REMARK 470 LEU A 64 CB CG CD1 CD2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O CYS A 61 N LEU A 64 2.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 87 CD GLU A 87 OE2 0.075 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 TYR A 28 CB - CG - CD2 ANGL. DEV. = -3.6 DEGREES REMARK 500 ASP A 40 CB - CG - OD2 ANGL. DEV. = -6.6 DEGREES REMARK 500 ARG A 43 NE - CZ - NH1 ANGL. DEV. = 6.0 DEGREES REMARK 500 GLU A 87 OE1 - CD - OE2 ANGL. DEV. = -7.2 DEGREES REMARK 500 GLU A 87 CG - CD - OE1 ANGL. DEV. = 18.3 DEGREES REMARK 500 ASP A 99 CB - CG - OD2 ANGL. DEV. = 5.4 DEGREES REMARK 500 ARG A 100 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 TWO MOLECULES OF THE PRECIPITATING AGENT, REMARK 600 2-METHYL-2,4-PENTANEDIOL, ARE INCLUDED IN THE MODEL. 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 MPD A 302 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 201 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 28 O REMARK 620 2 GLY A 32 O 92.4 REMARK 620 3 GLY A 30 O 86.1 82.6 REMARK 620 4 HOH A 315 O 80.3 151.3 69.3 REMARK 620 5 ASP A 49 OD1 105.1 130.3 143.4 78.2 REMARK 620 6 ASP A 49 OD2 91.9 82.4 164.7 125.2 51.6 REMARK 620 7 HOH A 316 O 174.5 84.4 89.1 100.4 80.3 92.1 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CA1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2BP2 RELATED DB: PDB REMARK 900 PRELIMINARY MODEL REMARK 999 REMARK 999 SEQUENCE REMARK 999 ZYMOGEN HAS FOUR EXTRA RESIDUES AT THE AMINO TERMINUS REMARK 999 COMPARED WITH MATURE PHOSPHOLIPASE. THESE RESIDUES ARE NOT REMARK 999 SEEN IN THE ELECTRON DENSITY MAP. RESIDUE NUMBERING IS REMARK 999 THUS THE SAME AS IN THE MATURE ENZYME. DBREF 4BP2 A -6 123 UNP P00593 PA21B_BOVIN 16 145 SEQRES 1 A 130 GLN ALA GLY LEU ASN SER ARG ALA LEU TRP GLN PHE ASN SEQRES 2 A 130 GLY MET ILE LYS CYS LYS ILE PRO SER SER GLU PRO LEU SEQRES 3 A 130 LEU ASP PHE ASN ASN TYR GLY CYS TYR CYS GLY LEU GLY SEQRES 4 A 130 GLY SER GLY THR PRO VAL ASP ASP LEU ASP ARG CYS CYS SEQRES 5 A 130 GLN THR HIS ASP ASN CYS TYR LYS GLN ALA LYS LYS LEU SEQRES 6 A 130 ASP SER CYS LYS VAL LEU VAL ASP ASN PRO TYR THR ASN SEQRES 7 A 130 ASN TYR SER TYR SER CYS SER ASN ASN GLU ILE THR CYS SEQRES 8 A 130 SER SER GLU ASN ASN ALA CYS GLU ALA PHE ILE CYS ASN SEQRES 9 A 130 CYS ASP ARG ASN ALA ALA ILE CYS PHE SER LYS VAL PRO SEQRES 10 A 130 TYR ASN LYS GLU HIS LYS ASN LEU ASP LYS LYS ASN CYS HET CA A 201 1 HET MPD A 301 8 HET MPD A 302 8 HETNAM CA CALCIUM ION HETNAM MPD (4S)-2-METHYL-2,4-PENTANEDIOL FORMUL 2 CA CA 2+ FORMUL 3 MPD 2(C6 H14 O2) FORMUL 5 HOH *60(H2 O) HELIX 1 A ALA A 1 ILE A 13 1 13 HELIX 2 B GLU A 17 PHE A 22 1 6 HELIX 3 C ASP A 39 LEU A 58 1 20 HELIX 4 D ASN A 89 LYS A 108 1 20 SHEET 1 SH1 2 TYR A 75 SER A 78 0 SHEET 2 SH1 2 GLU A 81 CYS A 84 -1 SSBOND 1 CYS A 11 CYS A 77 1555 1555 2.06 SSBOND 2 CYS A 27 CYS A 123 1555 1555 2.02 SSBOND 3 CYS A 29 CYS A 45 1555 1555 2.04 SSBOND 4 CYS A 44 CYS A 105 1555 1555 2.03 SSBOND 5 CYS A 51 CYS A 98 1555 1555 2.02 SSBOND 6 CYS A 61 CYS A 91 1555 1555 1.99 SSBOND 7 CYS A 84 CYS A 96 1555 1555 1.98 LINK CA CA A 201 O TYR A 28 1555 1555 2.41 LINK CA CA A 201 O GLY A 32 1555 1555 2.40 LINK CA CA A 201 O GLY A 30 1555 1555 2.56 LINK CA CA A 201 O HOH A 315 1555 1555 2.59 LINK CA CA A 201 OD1 ASP A 49 1555 1555 2.54 LINK CA CA A 201 OD2 ASP A 49 1555 1555 2.45 LINK CA CA A 201 O HOH A 316 1555 1555 2.40 SITE 1 CA1 7 TYR A 28 CYS A 29 GLY A 30 LEU A 31 SITE 2 CA1 7 GLY A 32 ASP A 49 CA A 201 SITE 1 AC1 6 TYR A 28 GLY A 30 GLY A 32 ASP A 49 SITE 2 AC1 6 HOH A 315 HOH A 316 SITE 1 AC2 5 LEU A 2 PHE A 5 LEU A 19 PHE A 106 SITE 2 AC2 5 HOH A 361 SITE 1 AC3 2 LEU A 19 HOH A 332 CRYST1 46.950 46.950 102.000 90.00 90.00 120.00 P 31 2 1 6 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 0.021299 0.012297 0.000000 0.00000 SCALE2 0.000000 0.024594 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009804 0.00000