HEADER DE NOVO PROTEIN 14-MAY-10 2XEH TITLE STRUCTURAL DETERMINANTS FOR IMPROVED THERMAL STABILITY OF TITLE 2 DESIGNED ANKYRIN REPEAT PROTEINS WITH A REDESIGNED C- TITLE 3 CAPPING MODULE. COMPND MOL_ID: 1; COMPND 2 MOLECULE: NI3C MUT6; COMPND 3 CHAIN: A, B, C; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 3 ORGANISM_TAXID: 32630; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS DE NOVO PROTEIN, PROTEIN ENGINEERING, PROTEIN-PROTEIN INTERACTION EXPDTA X-RAY DIFFRACTION AUTHOR M.KRAMER,S.K.WETZEL,A.PLUCKTHUN,P.MITTL,M.GRUTTER REVDAT 3 24-NOV-10 2XEH 1 JRNL REVDAT 2 29-SEP-10 2XEH 1 JRNL REVDAT 1 18-AUG-10 2XEH 0 JRNL AUTH M.KRAMER,S.K.WETZEL,A.PLUCKTHUN,P.MITTL,M.GRUTTER JRNL TITL STRUCTURAL DETERMINANTS FOR IMPROVED THERMAL STABILITY OF JRNL TITL 2 DESIGNED ANKYRIN REPEAT PROTEINS WITH A REDESIGNED JRNL TITL 3 C-CAPPING MODULE. JRNL REF J.MOL.BIOL. V. 404 381 2010 JRNL REFN ISSN 0022-2836 JRNL PMID 20851127 JRNL DOI 10.1016/J.JMB.2010.09.023 REMARK 2 REMARK 2 RESOLUTION. 1.81 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VICENT 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) : 1.81 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.194 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 2.00 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.60 REMARK 3 NUMBER OF REFLECTIONS : 44196 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.2172 REMARK 3 R VALUE (WORKING SET) : 0.2168 REMARK 3 FREE R VALUE : 0.2497 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 1.0 REMARK 3 FREE R VALUE TEST SET COUNT : 441 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 42.2056 - 2.6047 0.99 14730 148 0.2020 0.2102 REMARK 3 2 2.6047 - 2.0674 1.00 14542 148 0.2224 0.3042 REMARK 3 3 2.0674 - 1.8061 1.00 14483 145 0.2654 0.3150 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 : 0.403 REMARK 3 B_SOL : 49.645 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.07 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.77 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.33 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.6306 REMARK 3 B22 (A**2) : 4.6306 REMARK 3 B33 (A**2) : -9.6920 REMARK 3 B12 (A**2) : -0.0000 REMARK 3 B13 (A**2) : -0.0000 REMARK 3 B23 (A**2) : -0.0000 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 : 0.004 3667 REMARK 3 ANGLE : 0.803 4958 REMARK 3 CHIRALITY : 0.049 561 REMARK 3 PLANARITY : 0.004 655 REMARK 3 DIHEDRAL : 14.610 1347 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 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2XEH COMPLIES WITH FORMAT V. 3.20, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 14-MAY-10. REMARK 100 THE PDBE ID CODE IS EBI-43915. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X06SA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : PSI PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 44196 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.80 REMARK 200 RESOLUTION RANGE LOW (A) : 50.00 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.0 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 6.3 REMARK 200 R MERGE (I) : 0.07 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NONE REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.81 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 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 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 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 16.89867 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 33.79733 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 25.34800 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 42.24667 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 8.44933 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 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 HIS A 158 83.60 -69.92 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 A1170 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A1171 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A1172 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B1170 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B1171 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B1172 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 C1170 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 C1171 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 C1172 DBREF 2XEH A 13 169 PDB 2XEH 2XEH 13 169 DBREF 2XEH B 13 169 PDB 2XEH 2XEH 13 169 DBREF 2XEH C 13 169 PDB 2XEH 2XEH 13 169 SEQRES 1 A 157 ASP LEU GLY LYS LYS LEU LEU GLU ALA ALA ARG ALA GLY SEQRES 2 A 157 GLN ASP ASP GLU VAL ARG ILE LEU MET ALA ASN GLY ALA SEQRES 3 A 157 ASP VAL ASN ALA LYS ASP LYS ASP GLY TYR THR PRO LEU SEQRES 4 A 157 HIS LEU ALA ALA ARG GLU GLY HIS LEU GLU ILE VAL GLU SEQRES 5 A 157 VAL LEU LEU LYS ALA GLY ALA ASP VAL ASN ALA LYS ASP SEQRES 6 A 157 LYS ASP GLY TYR THR PRO LEU HIS LEU ALA ALA ARG GLU SEQRES 7 A 157 GLY HIS LEU GLU ILE VAL GLU VAL LEU LEU LYS ALA GLY SEQRES 8 A 157 ALA ASP VAL ASN ALA LYS ASP LYS ASP GLY TYR THR PRO SEQRES 9 A 157 LEU HIS LEU ALA ALA ARG GLU GLY HIS LEU GLU ILE VAL SEQRES 10 A 157 GLU VAL LEU LEU LYS ALA GLY ALA ASP VAL ASN ALA GLN SEQRES 11 A 157 ASP LYS PHE GLY LYS THR PRO PHE ASP LEU ALA ILE ARG SEQRES 12 A 157 GLU GLY HIS GLU ASP ILE ALA GLU VAL LEU GLN LYS ALA SEQRES 13 A 157 ALA SEQRES 1 B 157 ASP LEU GLY LYS LYS LEU LEU GLU ALA ALA ARG ALA GLY SEQRES 2 B 157 GLN ASP ASP GLU VAL ARG ILE LEU MET ALA ASN GLY ALA SEQRES 3 B 157 ASP VAL ASN ALA LYS ASP LYS ASP GLY TYR THR PRO LEU SEQRES 4 B 157 HIS LEU ALA ALA ARG GLU GLY HIS LEU GLU ILE VAL GLU SEQRES 5 B 157 VAL LEU LEU LYS ALA GLY ALA ASP VAL ASN ALA LYS ASP SEQRES 6 B 157 LYS ASP GLY TYR THR PRO LEU HIS LEU ALA ALA ARG GLU SEQRES 7 B 157 GLY HIS LEU GLU ILE VAL GLU VAL LEU LEU LYS ALA GLY SEQRES 8 B 157 ALA ASP VAL ASN ALA LYS ASP LYS ASP GLY TYR THR PRO SEQRES 9 B 157 LEU HIS LEU ALA ALA ARG GLU GLY HIS LEU GLU ILE VAL SEQRES 10 B 157 GLU VAL LEU LEU LYS ALA GLY ALA ASP VAL ASN ALA GLN SEQRES 11 B 157 ASP LYS PHE GLY LYS THR PRO PHE ASP LEU ALA ILE ARG SEQRES 12 B 157 GLU GLY HIS GLU ASP ILE ALA GLU VAL LEU GLN LYS ALA SEQRES 13 B 157 ALA SEQRES 1 C 157 ASP LEU GLY LYS LYS LEU LEU GLU ALA ALA ARG ALA GLY SEQRES 2 C 157 GLN ASP ASP GLU VAL ARG ILE LEU MET ALA ASN GLY ALA SEQRES 3 C 157 ASP VAL ASN ALA LYS ASP LYS ASP GLY TYR THR PRO LEU SEQRES 4 C 157 HIS LEU ALA ALA ARG GLU GLY HIS LEU GLU ILE VAL GLU SEQRES 5 C 157 VAL LEU LEU LYS ALA GLY ALA ASP VAL ASN ALA LYS ASP SEQRES 6 C 157 LYS ASP GLY TYR THR PRO LEU HIS LEU ALA ALA ARG GLU SEQRES 7 C 157 GLY HIS LEU GLU ILE VAL GLU VAL LEU LEU LYS ALA GLY SEQRES 8 C 157 ALA ASP VAL ASN ALA LYS ASP LYS ASP GLY TYR THR PRO SEQRES 9 C 157 LEU HIS LEU ALA ALA ARG GLU GLY HIS LEU GLU ILE VAL SEQRES 10 C 157 GLU VAL LEU LEU LYS ALA GLY ALA ASP VAL ASN ALA GLN SEQRES 11 C 157 ASP LYS PHE GLY LYS THR PRO PHE ASP LEU ALA ILE ARG SEQRES 12 C 157 GLU GLY HIS GLU ASP ILE ALA GLU VAL LEU GLN LYS ALA SEQRES 13 C 157 ALA HET SO4 A1170 5 HET SO4 A1171 5 HET SO4 A1172 5 HET SO4 B1170 5 HET SO4 B1171 5 HET SO4 B1172 5 HET SO4 C1170 5 HET SO4 C1171 5 HET SO4 C1172 5 HETNAM SO4 SULFATE ION FORMUL 4 SO4 9(O4 S 2-) FORMUL 5 HOH *257(H2 O) HELIX 1 1 ASP A 13 GLY A 25 1 13 HELIX 2 2 GLN A 26 ASN A 36 1 11 HELIX 3 3 THR A 49 GLY A 58 1 10 HELIX 4 4 HIS A 59 ALA A 69 1 11 HELIX 5 5 THR A 82 GLY A 91 1 10 HELIX 6 6 HIS A 92 ALA A 102 1 11 HELIX 7 7 THR A 115 GLY A 124 1 10 HELIX 8 8 HIS A 125 ALA A 135 1 11 HELIX 9 9 THR A 148 ARG A 155 1 8 HELIX 10 10 HIS A 158 ALA A 168 1 11 HELIX 11 11 ASP B 13 GLY B 25 1 13 HELIX 12 12 GLN B 26 ASN B 36 1 11 HELIX 13 13 THR B 49 GLY B 58 1 10 HELIX 14 14 HIS B 59 ALA B 69 1 11 HELIX 15 15 THR B 82 GLY B 91 1 10 HELIX 16 16 HIS B 92 ALA B 102 1 11 HELIX 17 17 THR B 115 GLY B 124 1 10 HELIX 18 18 HIS B 125 ALA B 135 1 11 HELIX 19 19 THR B 148 GLY B 157 1 10 HELIX 20 20 HIS B 158 ALA B 169 1 12 HELIX 21 21 ASP C 13 GLY C 25 1 13 HELIX 22 22 GLN C 26 ASN C 36 1 11 HELIX 23 23 THR C 49 GLY C 58 1 10 HELIX 24 24 HIS C 59 ALA C 69 1 11 HELIX 25 25 THR C 82 GLY C 91 1 10 HELIX 26 26 HIS C 92 ALA C 102 1 11 HELIX 27 27 THR C 115 GLY C 124 1 10 HELIX 28 28 HIS C 125 ALA C 135 1 11 HELIX 29 29 THR C 148 GLU C 156 1 9 HELIX 30 30 HIS C 158 ALA C 168 1 11 SITE 1 AC1 3 TYR A 48 ARG A 56 ARG A 89 SITE 1 AC2 4 TYR A 81 ARG A 89 ARG A 122 HOH A2093 SITE 1 AC3 2 ARG A 23 ARG A 56 SITE 1 AC4 3 TYR B 48 ARG B 56 ARG B 89 SITE 1 AC5 4 TYR B 81 ARG B 89 ARG B 122 HOH B2101 SITE 1 AC6 3 ARG B 23 ARG B 56 HOH B2005 SITE 1 AC7 3 TYR C 48 ARG C 56 ARG C 89 SITE 1 AC8 3 TYR C 81 ARG C 89 ARG C 122 SITE 1 AC9 2 ARG C 23 ARG C 56 CRYST1 128.905 128.905 50.696 90.00 90.00 120.00 P 61 18 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 0.007758 0.004479 0.000000 0.00000 SCALE2 0.000000 0.008958 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019725 0.00000