HEADER TRANSPORT PROTEIN 04-JAN-00 1DQE TITLE BOMBYX MORI PHEROMONE BINDING PROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHEROMONE-BINDING PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PBP; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOMBYX MORI; SOURCE 3 ORGANISM_COMMON: DOMESTIC SILKWORM; SOURCE 4 ORGANISM_TAXID: 7091; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HELICAL BUNDLE, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR B.H.SANDLER,L.NIKONOVA,W.S.LEAL,J.CLARDY REVDAT 3 24-FEB-09 1DQE 1 VERSN REVDAT 2 01-APR-03 1DQE 1 JRNL REVDAT 1 10-JAN-01 1DQE 0 JRNL AUTH B.H.SANDLER,L.NIKONOVA,W.S.LEAL,J.CLARDY JRNL TITL SEXUAL ATTRACTION IN THE SILKWORM MOTH: STRUCTURE JRNL TITL 2 OF THE PHEROMONE-BINDING-PROTEIN-BOMBYKOL COMPLEX. JRNL REF CHEM.BIOL. V. 7 143 2000 JRNL REFN ISSN 1074-5521 JRNL PMID 10662696 JRNL DOI 10.1016/S1074-5521(00)00078-8 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 26466 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) : NULL REMARK 3 R VALUE (WORKING SET) : 0.210 REMARK 3 FREE R VALUE : 0.273 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1330 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2140 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 34 REMARK 3 SOLVENT ATOMS : 203 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.74 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 2.400 ; NULL REMARK 3 ANGLE DISTANCE (A) : 0.012 ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL 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) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DQE COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-JAN-00. REMARK 100 THE RCSB ID CODE IS RCSB010291. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-MAY-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : A1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9134 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26466 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 32.400 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 5.100 REMARK 200 R MERGE (I) : 0.06100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : 0.26400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.12 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG20000, TRIS, PH 8.2, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 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+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 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 95.77000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 26.59000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 26.59000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 47.88500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 26.59000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 26.59000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 143.65500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 26.59000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 26.59000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 47.88500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 26.59000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 26.59000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 143.65500 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 95.77000 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 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: 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 PHE A 12 CB - CG - CD1 ANGL. DEV. = -5.2 DEGREES REMARK 500 ASP A 83 CB - CG - OD1 ANGL. DEV. = 6.3 DEGREES REMARK 500 ALA A 82 O - C - N ANGL. DEV. = 9.9 DEGREES REMARK 500 LEU B 16 O - C - N ANGL. DEV. = 10.2 DEGREES REMARK 500 THR B 24 N - CA - CB ANGL. DEV. = -12.9 DEGREES REMARK 500 THR B 24 C - N - CA ANGL. DEV. = 43.2 DEGREES REMARK 500 LEU B 25 O - C - N ANGL. DEV. = 10.4 DEGREES REMARK 500 ASP B 27 CB - CG - OD1 ANGL. DEV. = 6.8 DEGREES REMARK 500 ASP B 32 CB - CG - OD1 ANGL. DEV. = 9.4 DEGREES REMARK 500 PHE B 33 CB - CG - CD2 ANGL. DEV. = -6.4 DEGREES REMARK 500 PHE B 33 CB - CG - CD1 ANGL. DEV. = 5.3 DEGREES REMARK 500 ARG B 46 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG B 46 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ALA B 51 O - C - N ANGL. DEV. = 15.8 DEGREES REMARK 500 LEU B 55 O - C - N ANGL. DEV. = 15.9 DEGREES REMARK 500 PHE B 76 CB - CG - CD2 ANGL. DEV. = -5.5 DEGREES REMARK 500 ASP B 105 CB - CG - OD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 GLU B 137 CB - CA - C ANGL. DEV. = -14.5 DEGREES 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 MET B 23 -155.47 -93.50 REMARK 500 LYS B 44 -18.54 -143.19 REMARK 500 ASN B 60 35.79 76.70 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 THR B 24 LEU B 25 -141.54 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 391 DISTANCE = 6.84 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BOM A 300 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BOM B 400 DBREF 1DQE A 1 137 UNP P34174 PBP_BOMMO 23 159 DBREF 1DQE B 1 137 UNP P34174 PBP_BOMMO 23 159 SEQRES 1 A 137 SER GLN GLU VAL MET LYS ASN LEU SER LEU ASN PHE GLY SEQRES 2 A 137 LYS ALA LEU ASP GLU CYS LYS LYS GLU MET THR LEU THR SEQRES 3 A 137 ASP ALA ILE ASN GLU ASP PHE TYR ASN PHE TRP LYS GLU SEQRES 4 A 137 GLY TYR GLU ILE LYS ASN ARG GLU THR GLY CYS ALA ILE SEQRES 5 A 137 MET CYS LEU SER THR LYS LEU ASN MET LEU ASP PRO GLU SEQRES 6 A 137 GLY ASN LEU HIS HIS GLY ASN ALA MET GLU PHE ALA LYS SEQRES 7 A 137 LYS HIS GLY ALA ASP GLU THR MET ALA GLN GLN LEU ILE SEQRES 8 A 137 ASP ILE VAL HIS GLY CYS GLU LYS SER THR PRO ALA ASN SEQRES 9 A 137 ASP ASP LYS CYS ILE TRP THR LEU GLY VAL ALA THR CYS SEQRES 10 A 137 PHE LYS ALA GLU ILE HIS LYS LEU ASN TRP ALA PRO SER SEQRES 11 A 137 MET ASP VAL ALA VAL GLY GLU SEQRES 1 B 137 SER GLN GLU VAL MET LYS ASN LEU SER LEU ASN PHE GLY SEQRES 2 B 137 LYS ALA LEU ASP GLU CYS LYS LYS GLU MET THR LEU THR SEQRES 3 B 137 ASP ALA ILE ASN GLU ASP PHE TYR ASN PHE TRP LYS GLU SEQRES 4 B 137 GLY TYR GLU ILE LYS ASN ARG GLU THR GLY CYS ALA ILE SEQRES 5 B 137 MET CYS LEU SER THR LYS LEU ASN MET LEU ASP PRO GLU SEQRES 6 B 137 GLY ASN LEU HIS HIS GLY ASN ALA MET GLU PHE ALA LYS SEQRES 7 B 137 LYS HIS GLY ALA ASP GLU THR MET ALA GLN GLN LEU ILE SEQRES 8 B 137 ASP ILE VAL HIS GLY CYS GLU LYS SER THR PRO ALA ASN SEQRES 9 B 137 ASP ASP LYS CYS ILE TRP THR LEU GLY VAL ALA THR CYS SEQRES 10 B 137 PHE LYS ALA GLU ILE HIS LYS LEU ASN TRP ALA PRO SER SEQRES 11 B 137 MET ASP VAL ALA VAL GLY GLU HET BOM A 300 17 HET BOM B 400 17 HETNAM BOM HEXADECA-10,12-DIEN-1-OL HETSYN BOM BOMBYKOL FORMUL 3 BOM 2(C16 H30 O) FORMUL 5 HOH *203(H2 O) HELIX 1 1 SER A 1 LYS A 14 1 14 HELIX 2 2 ALA A 15 MET A 23 1 9 HELIX 3 3 ALA A 28 ASN A 35 1 8 HELIX 4 4 ASN A 45 LEU A 59 1 15 HELIX 5 5 HIS A 69 HIS A 80 1 12 HELIX 6 6 ASP A 83 THR A 101 1 19 HELIX 7 7 ASP A 106 LEU A 125 1 20 HELIX 8 8 SER B 1 GLY B 13 1 13 HELIX 9 9 ALA B 15 MET B 23 1 9 HELIX 10 10 THR B 26 ALA B 28 5 3 HELIX 11 11 ILE B 29 ASN B 35 1 7 HELIX 12 12 ASN B 45 LEU B 59 1 15 HELIX 13 13 HIS B 69 HIS B 80 1 12 HELIX 14 14 ASP B 83 THR B 101 1 19 HELIX 15 15 ASP B 106 LEU B 125 1 20 SSBOND 1 CYS A 19 CYS A 54 1555 1555 2.12 SSBOND 2 CYS A 50 CYS A 108 1555 1555 2.11 SSBOND 3 CYS A 97 CYS A 117 1555 1555 2.13 SSBOND 4 CYS B 19 CYS B 54 1555 1555 2.04 SSBOND 5 CYS B 50 CYS B 108 1555 1555 2.11 SSBOND 6 CYS B 97 CYS B 117 1555 1555 2.09 SITE 1 AC1 3 PHE A 12 SER A 56 HOH A 338 SITE 1 AC2 5 PHE B 12 SER B 56 MET B 61 LEU B 68 SITE 2 AC2 5 PHE B 118 CRYST1 53.180 53.180 191.540 90.00 90.00 90.00 P 41 21 2 16 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 0.018804 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018804 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005221 0.00000