HEADER PROTEIN BINDING 06-JUL-09 3I5S TITLE CRYSTAL STRUCTURE OF PI3K SH3 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY SUBUNIT ALPHA; COMPND 3 CHAIN: A, B, C, D; COMPND 4 FRAGMENT: SH3 DOMAIN (UNP RESIDUES 1-83); COMPND 5 SYNONYM: PI3-KINASE P85 SUBUNIT ALPHA, PTDINS-3-KINASE P85-ALPHA, COMPND 6 PI3K; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: GRB1, PIK3R1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PGEX KEYWDS SH3 DOMAIN, ALTERNATIVE SPLICING, DISEASE MUTATION, HOST-VIRUS KEYWDS 2 INTERACTION, PHOSPHOPROTEIN, POLYMORPHISM, SH2 DOMAIN, UBL KEYWDS 3 CONJUGATION, PROTEIN BINDING EXPDTA X-RAY DIFFRACTION AUTHOR R.BATRA-SAFFERLING,J.GRANZIN,S.MODDER,S.HOFFMANN,D.WILLBOLD REVDAT 2 06-SEP-23 3I5S 1 REMARK REVDAT 1 02-MAR-10 3I5S 0 JRNL AUTH R.BATRA-SAFFERLING,J.GRANZIN,S.MODDER,S.HOFFMANN,D.WILLBOLD JRNL TITL STRUCTURAL STUDIES OF THE PHOSPHATIDYLINOSITOL 3-KINASE JRNL TITL 2 (PI3K) SH3 DOMAIN IN COMPLEX WITH A PEPTIDE LIGAND: ROLE OF JRNL TITL 3 THE ANCHOR RESIDUE IN LIGAND BINDING. JRNL REF BIOL.CHEM. V. 391 33 2010 JRNL REFN ISSN 1431-6730 JRNL PMID 19919182 JRNL DOI 10.1515/BC.2010.003 REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.94 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.040 REMARK 3 COMPLETENESS FOR RANGE (%) : 89.2 REMARK 3 NUMBER OF REFLECTIONS : 6136 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.243 REMARK 3 R VALUE (WORKING SET) : 0.240 REMARK 3 FREE R VALUE : 0.299 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.560 REMARK 3 FREE R VALUE TEST SET COUNT : 280 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 45.9435 - 3.7796 0.91 3010 131 0.2086 0.2387 REMARK 3 2 3.7796 - 3.0002 0.88 2846 149 0.2874 0.3747 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.39 REMARK 3 B_SOL : 47.94 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.600 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 31.470 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 54.05 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.05 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 9.34200 REMARK 3 B22 (A**2) : -5.08300 REMARK 3 B33 (A**2) : -4.25800 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -1.27800 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.005 2540 REMARK 3 ANGLE : 0.799 3426 REMARK 3 CHIRALITY : 0.056 336 REMARK 3 PLANARITY : 0.003 460 REMARK 3 DIHEDRAL : 17.750 912 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : 1 REMARK 3 NCS GROUP : 1 REMARK 3 NCS OPERATOR : 1 REMARK 3 REFERENCE SELECTION: CHAIN A AND (RESSEQ 5:80 ) REMARK 3 SELECTION : CHAIN B AND (RESSEQ 5:80 ) REMARK 3 ATOM PAIRS NUMBER : 610 REMARK 3 RMSD : 0.024 REMARK 3 NCS OPERATOR : 2 REMARK 3 REFERENCE SELECTION: CHAIN A AND (RESSEQ 5:80 ) REMARK 3 SELECTION : CHAIN C AND (RESSEQ 5:80 ) REMARK 3 ATOM PAIRS NUMBER : 614 REMARK 3 RMSD : 0.021 REMARK 3 NCS OPERATOR : 3 REMARK 3 REFERENCE SELECTION: CHAIN A AND (RESSEQ 5:80 ) REMARK 3 SELECTION : CHAIN D AND (RESSEQ 5:80 ) REMARK 3 ATOM PAIRS NUMBER : 610 REMARK 3 RMSD : 0.023 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3I5S COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-JUL-09. REMARK 100 THE DEPOSITION ID IS D_1000053999. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-NOV-08 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.934 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6390 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 45.940 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.0 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.11300 REMARK 200 R SYM (I) : 0.11300 REMARK 200 FOR THE DATA SET : 10.3000 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1PHT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.73 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM NA-CITRATE, 0.5M AMMONIUM REMARK 280 SULFATE, 1M LITHIUM SULFATE, PH 5.5, VAPOR DIFFUSION, REMARK 280 TEMPERATURE 293.0K 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 30.52450 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, 4 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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: PISA 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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 REMARK 350 BIOMOLECULE: 4 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 MET A 1 REMARK 465 SER A 2 REMARK 465 ALA A 3 REMARK 465 LYS A 81 REMARK 465 ILE A 82 REMARK 465 SER A 83 REMARK 465 MET B 1 REMARK 465 SER B 2 REMARK 465 ALA B 3 REMARK 465 LYS B 81 REMARK 465 ILE B 82 REMARK 465 SER B 83 REMARK 465 MET C 1 REMARK 465 SER C 2 REMARK 465 ALA C 3 REMARK 465 LYS C 81 REMARK 465 ILE C 82 REMARK 465 SER C 83 REMARK 465 MET D 1 REMARK 465 SER D 2 REMARK 465 ALA D 3 REMARK 465 LYS D 81 REMARK 465 ILE D 82 REMARK 465 SER D 83 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 LYS B 15 CG CD CE NZ REMARK 470 LYS D 15 CG CD CE NZ 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 GLU A 17 -74.13 -114.75 REMARK 500 ALA A 39 9.09 -67.01 REMARK 500 PHE A 42 65.42 -111.68 REMARK 500 ASP A 44 6.77 86.62 REMARK 500 GLU B 17 -73.67 -113.75 REMARK 500 ALA B 39 8.76 -68.21 REMARK 500 PHE B 42 65.01 -111.27 REMARK 500 ASP B 44 6.76 86.34 REMARK 500 GLU C 17 -73.75 -114.34 REMARK 500 ALA C 39 8.72 -67.25 REMARK 500 PHE C 42 65.26 -111.39 REMARK 500 ASP C 44 7.20 87.00 REMARK 500 GLU D 17 -74.34 -113.32 REMARK 500 ALA D 39 8.85 -68.59 REMARK 500 PHE D 42 65.68 -111.42 REMARK 500 ASP D 44 6.71 86.63 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 84 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3I5R RELATED DB: PDB DBREF 3I5S A 1 83 UNP P27986 P85A_HUMAN 1 83 DBREF 3I5S B 1 83 UNP P27986 P85A_HUMAN 1 83 DBREF 3I5S C 1 83 UNP P27986 P85A_HUMAN 1 83 DBREF 3I5S D 1 83 UNP P27986 P85A_HUMAN 1 83 SEQRES 1 A 83 MET SER ALA GLU GLY TYR GLN TYR ARG ALA LEU TYR ASP SEQRES 2 A 83 TYR LYS LYS GLU ARG GLU GLU ASP ILE ASP LEU HIS LEU SEQRES 3 A 83 GLY ASP ILE LEU THR VAL ASN LYS GLY SER LEU VAL ALA SEQRES 4 A 83 LEU GLY PHE SER ASP GLY GLN GLU ALA ARG PRO GLU GLU SEQRES 5 A 83 ILE GLY TRP LEU ASN GLY TYR ASN GLU THR THR GLY GLU SEQRES 6 A 83 ARG GLY ASP PHE PRO GLY THR TYR VAL GLU TYR ILE GLY SEQRES 7 A 83 ARG LYS LYS ILE SER SEQRES 1 B 83 MET SER ALA GLU GLY TYR GLN TYR ARG ALA LEU TYR ASP SEQRES 2 B 83 TYR LYS LYS GLU ARG GLU GLU ASP ILE ASP LEU HIS LEU SEQRES 3 B 83 GLY ASP ILE LEU THR VAL ASN LYS GLY SER LEU VAL ALA SEQRES 4 B 83 LEU GLY PHE SER ASP GLY GLN GLU ALA ARG PRO GLU GLU SEQRES 5 B 83 ILE GLY TRP LEU ASN GLY TYR ASN GLU THR THR GLY GLU SEQRES 6 B 83 ARG GLY ASP PHE PRO GLY THR TYR VAL GLU TYR ILE GLY SEQRES 7 B 83 ARG LYS LYS ILE SER SEQRES 1 C 83 MET SER ALA GLU GLY TYR GLN TYR ARG ALA LEU TYR ASP SEQRES 2 C 83 TYR LYS LYS GLU ARG GLU GLU ASP ILE ASP LEU HIS LEU SEQRES 3 C 83 GLY ASP ILE LEU THR VAL ASN LYS GLY SER LEU VAL ALA SEQRES 4 C 83 LEU GLY PHE SER ASP GLY GLN GLU ALA ARG PRO GLU GLU SEQRES 5 C 83 ILE GLY TRP LEU ASN GLY TYR ASN GLU THR THR GLY GLU SEQRES 6 C 83 ARG GLY ASP PHE PRO GLY THR TYR VAL GLU TYR ILE GLY SEQRES 7 C 83 ARG LYS LYS ILE SER SEQRES 1 D 83 MET SER ALA GLU GLY TYR GLN TYR ARG ALA LEU TYR ASP SEQRES 2 D 83 TYR LYS LYS GLU ARG GLU GLU ASP ILE ASP LEU HIS LEU SEQRES 3 D 83 GLY ASP ILE LEU THR VAL ASN LYS GLY SER LEU VAL ALA SEQRES 4 D 83 LEU GLY PHE SER ASP GLY GLN GLU ALA ARG PRO GLU GLU SEQRES 5 D 83 ILE GLY TRP LEU ASN GLY TYR ASN GLU THR THR GLY GLU SEQRES 6 D 83 ARG GLY ASP PHE PRO GLY THR TYR VAL GLU TYR ILE GLY SEQRES 7 D 83 ARG LYS LYS ILE SER HET SO4 A 84 5 HETNAM SO4 SULFATE ION FORMUL 5 SO4 O4 S 2- HELIX 1 1 ASN A 33 ALA A 39 1 7 HELIX 2 2 GLY A 45 ILE A 53 5 9 HELIX 3 3 LYS B 34 ALA B 39 1 6 HELIX 4 4 GLY B 45 ILE B 53 5 9 HELIX 5 5 LYS C 34 ALA C 39 1 6 HELIX 6 6 GLY C 45 ILE C 53 5 9 HELIX 7 7 LYS D 34 ALA D 39 1 6 HELIX 8 8 GLY D 45 ILE D 53 5 9 SHEET 1 A 5 ARG A 66 PRO A 70 0 SHEET 2 A 5 TRP A 55 ASN A 60 -1 N LEU A 56 O PHE A 69 SHEET 3 A 5 ILE A 29 VAL A 32 -1 N THR A 31 O TYR A 59 SHEET 4 A 5 TYR A 6 ALA A 10 -1 N TYR A 6 O VAL A 32 SHEET 5 A 5 VAL A 74 ARG A 79 -1 O ILE A 77 N GLN A 7 SHEET 1 B 5 ARG B 66 PRO B 70 0 SHEET 2 B 5 TRP B 55 ASN B 60 -1 N LEU B 56 O PHE B 69 SHEET 3 B 5 ILE B 29 ASN B 33 -1 N THR B 31 O TYR B 59 SHEET 4 B 5 GLY B 5 ALA B 10 -1 N TYR B 6 O VAL B 32 SHEET 5 B 5 VAL B 74 ARG B 79 -1 O ILE B 77 N GLN B 7 SHEET 1 C 5 ARG C 66 PRO C 70 0 SHEET 2 C 5 TRP C 55 ASN C 60 -1 N LEU C 56 O PHE C 69 SHEET 3 C 5 ILE C 29 ASN C 33 -1 N THR C 31 O TYR C 59 SHEET 4 C 5 GLY C 5 ALA C 10 -1 N TYR C 6 O VAL C 32 SHEET 5 C 5 VAL C 74 ARG C 79 -1 O ILE C 77 N GLN C 7 SHEET 1 D 5 ARG D 66 PRO D 70 0 SHEET 2 D 5 TRP D 55 ASN D 60 -1 N LEU D 56 O PHE D 69 SHEET 3 D 5 ILE D 29 ASN D 33 -1 N THR D 31 O TYR D 59 SHEET 4 D 5 GLY D 5 ALA D 10 -1 N TYR D 6 O VAL D 32 SHEET 5 D 5 VAL D 74 ARG D 79 -1 O ILE D 77 N GLN D 7 SITE 1 AC1 4 ARG A 49 ARG B 49 ARG C 49 ARG D 49 CRYST1 49.333 61.049 61.014 90.00 111.38 90.00 P 1 21 1 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 0.020270 0.000000 0.007936 0.00000 SCALE2 0.000000 0.016380 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017601 0.00000