PDB Short entry for 1Q3P HEADER PEPTIDE BINDING PROTEIN 31-JUL-03 1Q3P TITLE CRYSTAL STRUCTURE OF THE SHANK PDZ-LIGAND COMPLEX REVEALS A TITLE 2 CLASS I PDZ INTERACTION AND A NOVEL PDZ-PDZ DIMERIZATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: SHANK1; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: PDZ DOMAIN; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: C-TERMINAL HEXAPEPTIDE FROM GUANYLATE KINASE- COMPND 8 ASSOCIATED PROTEIN; COMPND 9 CHAIN: C, D; COMPND 10 SYNONYM: C-TERMINAL HEXAPEPTIDE FROM GKAP; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: SHANK1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PGEX4T1; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 OTHER_DETAILS: EAQTRL SEQUENCE IS THE C-TERMINAL SOURCE 14 HEXAPEPTIDE OF GKAP PROTEIN IN RATTUS NORVEGICUS KEYWDS SHANK, PDZ, GKAP, CRYSTAL STRUCTURE, PEPTIDE BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR Y.J.IM,J.H.LEE,S.H.PARK,S.J.PARK,S.-H.RHO,G.B.KANG,E.KIM, AUTHOR 2 S.H.EOM REVDAT 2 24-FEB-09 1Q3P 1 VERSN REVDAT 1 27-JAN-04 1Q3P 0 JRNL AUTH Y.J.IM,J.H.LEE,S.H.PARK,S.J.PARK,S.-H.RHO,G.B.KANG, JRNL AUTH 2 E.KIM,S.H.EOM JRNL TITL CRYSTAL STRUCTURE OF THE SHANK PDZ-LIGAND COMPLEX JRNL TITL 2 REVEALS A CLASS I PDZ INTERACTION AND A NOVEL JRNL TITL 3 PDZ-PDZ DIMERIZATION JRNL REF J.BIOL.CHEM. V. 278 48099 2003 JRNL REFN ISSN 0021-9258 JRNL PMID 12954649 JRNL DOI 10.1074/JBC.M306919200 REMARK 1 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) : 29.84 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 840523.460 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.3 REMARK 3 NUMBER OF REFLECTIONS : 14239 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) : 0.251 REMARK 3 FREE R VALUE : 0.280 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 718 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 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) (%) : 96.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2183 REMARK 3 BIN R VALUE (WORKING SET) : 0.2930 REMARK 3 BIN FREE R VALUE : 0.3120 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 126 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.028 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1667 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 44 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 30.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 44.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.78000 REMARK 3 B22 (A**2) : 0.78000 REMARK 3 B33 (A**2) : -1.57000 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) : 0.34 REMARK 3 ESD FROM SIGMAA (A) : 0.30 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) : 0.38 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.30 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.30 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.70 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) : 1.650 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.780 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.220 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.340 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 52.52 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 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1Q3P COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-AUG-03. REMARK 100 THE RCSB ID CODE IS RCSB019876. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-APR-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PAL/PLS REMARK 200 BEAMLINE : 6B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 61853 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 4.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.2 REMARK 200 DATA REDUNDANCY : 4.300 REMARK 200 R MERGE (I) : 0.04100 REMARK 200 R SYM (I) : 0.04100 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 50.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.29 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.25800 REMARK 200 R SYM FOR SHELL (I) : 0.25800 REMARK 200 <I/SIGMA(I)> FOR SHELL : 6.600 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 1Q3O REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.25 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 6000, KCL, PH 6.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 294K 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 78.95100 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 30.38150 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 30.38150 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 39.47550 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 30.38150 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 30.38150 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 118.42650 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 30.38150 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 30.38150 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 39.47550 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 30.38150 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 30.38150 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 118.42650 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 78.95100 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3190 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11420 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -7.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: OCTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 8500 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20740 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, D, C 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 BIOMT1 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 GLY A 582 REMARK 465 SER A 583 REMARK 465 LYS A 610 REMARK 465 ALA A 611 REMARK 465 GLN A 612 REMARK 465 THR A 613 REMARK 465 PRO A 614 REMARK 465 HIS A 687 REMARK 465 PRO A 688 REMARK 465 ASP A 689 REMARK 465 MET A 690 REMARK 465 LYS B 610 REMARK 465 ALA B 611 REMARK 465 GLN B 612 REMARK 465 THR B 613 REMARK 465 PRO B 614 REMARK 465 MET B 690 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 TYR A 585 107.81 173.05 REMARK 500 GLU A 616 -72.05 -153.30 REMARK 500 GLU B 616 -113.80 -151.20 REMARK 500 GLU B 635 -17.70 -36.88 REMARK 500 ASN B 675 -18.85 63.21 REMARK 500 ALA C 2 128.19 -171.86 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1Q3O RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITHOUT THE PEPTIDE LIGAND DBREF 1Q3P A 582 690 UNP Q9WV48 SHAN1_RAT 582 690 DBREF 1Q3P B 582 690 UNP Q9WV48 SHAN1_RAT 582 690 DBREF 1Q3P C 1 6 GB 19923689 NP_075235 987 992 DBREF 1Q3P D 1 6 GB 19923689 NP_075235 987 992 SEQRES 1 A 109 GLY SER ASP TYR ILE ILE LYS GLU LYS THR VAL LEU LEU SEQRES 2 A 109 GLN LYS LYS ASP SER GLU GLY PHE GLY PHE VAL LEU ARG SEQRES 3 A 109 GLY ALA LYS ALA GLN THR PRO ILE GLU GLU PHE THR PRO SEQRES 4 A 109 THR PRO ALA PHE PRO ALA LEU GLN TYR LEU GLU SER VAL SEQRES 5 A 109 ASP GLU GLY GLY VAL ALA TRP ARG ALA GLY LEU ARG MET SEQRES 6 A 109 GLY ASP PHE LEU ILE GLU VAL ASN GLY GLN ASN VAL VAL SEQRES 7 A 109 LYS VAL GLY HIS ARG GLN VAL VAL ASN MET ILE ARG GLN SEQRES 8 A 109 GLY GLY ASN THR LEU MET VAL LYS VAL VAL MET VAL THR SEQRES 9 A 109 ARG HIS PRO ASP MET SEQRES 1 B 109 GLY SER ASP TYR ILE ILE LYS GLU LYS THR VAL LEU LEU SEQRES 2 B 109 GLN LYS LYS ASP SER GLU GLY PHE GLY PHE VAL LEU ARG SEQRES 3 B 109 GLY ALA LYS ALA GLN THR PRO ILE GLU GLU PHE THR PRO SEQRES 4 B 109 THR PRO ALA PHE PRO ALA LEU GLN TYR LEU GLU SER VAL SEQRES 5 B 109 ASP GLU GLY GLY VAL ALA TRP ARG ALA GLY LEU ARG MET SEQRES 6 B 109 GLY ASP PHE LEU ILE GLU VAL ASN GLY GLN ASN VAL VAL SEQRES 7 B 109 LYS VAL GLY HIS ARG GLN VAL VAL ASN MET ILE ARG GLN SEQRES 8 B 109 GLY GLY ASN THR LEU MET VAL LYS VAL VAL MET VAL THR SEQRES 9 B 109 ARG HIS PRO ASP MET SEQRES 1 C 6 GLU ALA GLN THR ARG LEU SEQRES 1 D 6 GLU ALA GLN THR ARG LEU FORMUL 5 HOH *44(H2 O) HELIX 1 1 GLY A 637 GLY A 643 1 7 HELIX 2 2 GLY A 662 GLY A 673 1 12 HELIX 3 3 GLY B 637 ALA B 642 1 6 HELIX 4 4 GLY B 662 GLY B 673 1 12 SHEET 1 A 8 GLN A 656 ASN A 657 0 SHEET 2 A 8 PHE A 649 VAL A 653 -1 N VAL A 653 O GLN A 656 SHEET 3 A 8 THR A 676 VAL A 684 -1 O VAL A 682 N PHE A 649 SHEET 4 A 8 ILE A 586 GLN A 595 -1 N LYS A 588 O MET A 683 SHEET 5 A 8 SER B 583 GLN B 595 -1 O TYR B 585 N ILE A 587 SHEET 6 A 8 THR B 676 PRO B 688 -1 O LEU B 677 N LEU B 594 SHEET 7 A 8 PHE B 649 VAL B 653 -1 N PHE B 649 O VAL B 682 SHEET 8 A 8 GLN B 656 ASN B 657 -1 O GLN B 656 N VAL B 653 SHEET 1 B 3 TYR A 629 VAL A 633 0 SHEET 2 B 3 PHE A 604 ARG A 607 -1 N VAL A 605 O SER A 632 SHEET 3 B 3 GLN C 3 ARG C 5 -1 O THR C 4 N LEU A 606 SHEET 1 C 3 GLN B 628 VAL B 633 0 SHEET 2 C 3 PHE B 604 GLY B 608 -1 N ARG B 607 O TYR B 629 SHEET 3 C 3 ALA D 2 ARG D 5 -1 O THR D 4 N LEU B 606 CRYST1 60.763 60.763 157.902 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 0.016457 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016457 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006333 0.00000