HEADER TRANSFERASE 25-JUN-02 1M2Q TITLE CRYSTAL STRUCTURE OF 1,8-DI-HYDROXY-4-NITRO-XANTEN-9-ONE/CK2 KINASE TITLE 2 COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: CASEIN KINASE II, ALPHA CHAIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATLYTIC SUBUNIT; COMPND 5 SYNONYM: CKII; COMPND 6 EC: 2.7.1.37; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ZEA MAYS; SOURCE 3 ORGANISM_TAXID: 4577; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21 DE3 KEYWDS KINASE, INHIBITOR-ENZYME COMPLEX, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR E.DE MOLINER,S.SARNO,S.MORO,G.ZAGOTTO,G.ZANOTTI,L.A.PINNA, AUTHOR 2 R.BATTISTUTTA REVDAT 3 14-FEB-24 1M2Q 1 REMARK REVDAT 2 24-FEB-09 1M2Q 1 VERSN REVDAT 1 17-JUN-03 1M2Q 0 JRNL AUTH E.DE MOLINER,S.MORO,S.SARNO,G.ZAGOTTO,G.ZANOTTI,L.A.PINNA, JRNL AUTH 2 R.BATTISTUTTA JRNL TITL INHIBITION OF PROTEIN KINASE CK2 BY ANTHRAQUINONE-RELATED JRNL TITL 2 COMPOUNDS. A STRUCTURAL INSIGHT JRNL REF J.BIOL.CHEM. V. 278 1831 2003 JRNL REFN ISSN 0021-9258 JRNL PMID 12419810 JRNL DOI 10.1074/JBC.M209367200 REMARK 2 REMARK 2 RESOLUTION. 1.79 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 1.79 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.07 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 86.8 REMARK 3 NUMBER OF REFLECTIONS : 26543 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) : 0.198 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2110 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 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) : 1.79 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.90 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 50.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2331 REMARK 3 BIN R VALUE (WORKING SET) : 0.2510 REMARK 3 BIN FREE R VALUE : 0.2570 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 189 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.019 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2728 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 20 REMARK 3 SOLVENT ATOMS : 161 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.05000 REMARK 3 B22 (A**2) : 0.64000 REMARK 3 B33 (A**2) : -0.69000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -3.43000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.17 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) : 0.24 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.16 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.920 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) : 1.640 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.590 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.590 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.040 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.38 REMARK 3 BSOL : 45.83 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 : MNX.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : MNX.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1M2Q COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-JUL-02. REMARK 100 THE DEPOSITION ID IS D_1000016523. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-JAN-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID29 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.918 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL 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 : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28179 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 48.570 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 79.2 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.09700 REMARK 200 R SYM (I) : 0.08300 REMARK 200 FOR THE DATA SET : 4.6300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.79 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 50.1 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: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.96 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, SODIUM ACETATE, TRIS, PH REMARK 280 8.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 71.52000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 25.86500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 71.52000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 25.86500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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 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 VAL A 73 N - CA - C ANGL. DEV. = -20.2 DEGREES REMARK 500 LYS A 107 N - CA - C ANGL. DEV. = -16.6 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 ARG A 43 156.96 173.92 REMARK 500 LYS A 71 161.86 -33.42 REMARK 500 PRO A 72 102.15 -41.44 REMARK 500 VAL A 73 -153.42 -102.66 REMARK 500 SER A 106 172.56 129.85 REMARK 500 ASP A 120 123.26 -35.82 REMARK 500 ASP A 156 42.09 -151.04 REMARK 500 ASP A 175 81.60 45.30 REMARK 500 ARG A 191 59.65 -91.15 REMARK 500 ALA A 193 174.14 64.68 REMARK 500 ASP A 210 -159.62 -145.59 REMARK 500 ASN A 332 32.48 -67.96 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 MNX A 351 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1J91 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF Z. MAYS CK2 KINASE ALPHA SUBUNIT IN COMPLEX REMARK 900 WITH THE ATP-COMPETITIVE INHIBITOR 4,5,6,7-TETRABROMOBENZOTRIAZOLE REMARK 900 RELATED ID: 1JAM RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF APO-FORM OF Z. MAYS CK2 PROTEIN KINASE ALPHA REMARK 900 SUBUNIT REMARK 900 RELATED ID: 1F0Q RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF Z. MAYS CK2 ALPHA SUBUNIT WITH THE COMPETITIVE REMARK 900 INHIBITOR EMODIN REMARK 900 RELATED ID: 1M2P RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF Z. MAYS CK2 ALPHA SUBUNIT WITH THE INHIBITOR 1, REMARK 900 8-DI-HYDROXY-4-NITRO-ANTHRAQUINONE DBREF 1M2Q A 7 333 UNP P28523 CSK2A_MAIZE 2 328 SEQRES 1 A 327 SER LYS ALA ARG VAL TYR ALA ASP VAL ASN VAL LEU ARG SEQRES 2 A 327 PRO LYS GLU TYR TRP ASP TYR GLU ALA LEU THR VAL GLN SEQRES 3 A 327 TRP GLY GLU GLN ASP ASP TYR GLU VAL VAL ARG LYS VAL SEQRES 4 A 327 GLY ARG GLY LYS TYR SER GLU VAL PHE GLU GLY ILE ASN SEQRES 5 A 327 VAL ASN ASN ASN GLU LYS CYS ILE ILE LYS ILE LEU LYS SEQRES 6 A 327 PRO VAL LYS LYS LYS LYS ILE LYS ARG GLU ILE LYS ILE SEQRES 7 A 327 LEU GLN ASN LEU CYS GLY GLY PRO ASN ILE VAL LYS LEU SEQRES 8 A 327 LEU ASP ILE VAL ARG ASP GLN HIS SER LYS THR PRO SER SEQRES 9 A 327 LEU ILE PHE GLU TYR VAL ASN ASN THR ASP PHE LYS VAL SEQRES 10 A 327 LEU TYR PRO THR LEU THR ASP TYR ASP ILE ARG TYR TYR SEQRES 11 A 327 ILE TYR GLU LEU LEU LYS ALA LEU ASP TYR CYS HIS SER SEQRES 12 A 327 GLN GLY ILE MET HIS ARG ASP VAL LYS PRO HIS ASN VAL SEQRES 13 A 327 MET ILE ASP HIS GLU LEU ARG LYS LEU ARG LEU ILE ASP SEQRES 14 A 327 TRP GLY LEU ALA GLU PHE TYR HIS PRO GLY LYS GLU TYR SEQRES 15 A 327 ASN VAL ARG VAL ALA SER ARG TYR PHE LYS GLY PRO GLU SEQRES 16 A 327 LEU LEU VAL ASP LEU GLN ASP TYR ASP TYR SER LEU ASP SEQRES 17 A 327 MET TRP SER LEU GLY CYS MET PHE ALA GLY MET ILE PHE SEQRES 18 A 327 ARG LYS GLU PRO PHE PHE TYR GLY HIS ASP ASN HIS ASP SEQRES 19 A 327 GLN LEU VAL LYS ILE ALA LYS VAL LEU GLY THR ASP GLY SEQRES 20 A 327 LEU ASN VAL TYR LEU ASN LYS TYR ARG ILE GLU LEU ASP SEQRES 21 A 327 PRO GLN LEU GLU ALA LEU VAL GLY ARG HIS SER ARG LYS SEQRES 22 A 327 PRO TRP LEU LYS PHE MET ASN ALA ASP ASN GLN HIS LEU SEQRES 23 A 327 VAL SER PRO GLU ALA ILE ASP PHE LEU ASP LYS LEU LEU SEQRES 24 A 327 ARG TYR ASP HIS GLN GLU ARG LEU THR ALA LEU GLU ALA SEQRES 25 A 327 MET THR HIS PRO TYR PHE GLN GLN VAL ARG ALA ALA GLU SEQRES 26 A 327 ASN SER HET MNX A 351 20 HETNAM MNX 1,8-DI-HYDROXY-4-NITRO-XANTHEN-9-ONE FORMUL 2 MNX C13 H7 N O6 FORMUL 3 HOH *161(H2 O) HELIX 1 1 ASP A 14 ARG A 19 1 6 HELIX 2 2 PRO A 20 ASP A 25 1 6 HELIX 3 3 TYR A 26 LEU A 29 5 4 HELIX 4 4 GLU A 35 ASP A 37 5 3 HELIX 5 5 LYS A 74 CYS A 89 1 16 HELIX 6 6 ASP A 120 TYR A 125 1 6 HELIX 7 7 PRO A 126 LEU A 128 5 3 HELIX 8 8 THR A 129 GLN A 150 1 22 HELIX 9 9 LYS A 158 HIS A 160 5 3 HELIX 10 10 SER A 194 LYS A 198 5 5 HELIX 11 11 GLY A 199 VAL A 204 1 6 HELIX 12 12 TYR A 211 ARG A 228 1 18 HELIX 13 13 ASP A 237 GLY A 250 1 14 HELIX 14 14 GLY A 250 TYR A 261 1 12 HELIX 15 15 ASP A 266 GLY A 274 1 9 HELIX 16 16 PRO A 280 MET A 285 5 6 HELIX 17 17 SER A 294 LYS A 303 1 10 HELIX 18 18 ASP A 308 ARG A 312 5 5 HELIX 19 19 THR A 314 THR A 320 1 7 HELIX 20 20 HIS A 321 TYR A 323 5 3 HELIX 21 21 PHE A 324 ASN A 332 1 9 SHEET 1 A 5 TYR A 39 ARG A 47 0 SHEET 2 A 5 GLU A 52 ASN A 58 -1 O GLU A 55 N ARG A 43 SHEET 3 A 5 LYS A 64 ILE A 69 -1 O ILE A 67 N PHE A 54 SHEET 4 A 5 PRO A 109 GLU A 114 -1 O LEU A 111 N LYS A 68 SHEET 5 A 5 LEU A 97 ARG A 102 -1 N ASP A 99 O ILE A 112 SHEET 1 B 2 ILE A 152 MET A 153 0 SHEET 2 B 2 GLU A 180 PHE A 181 -1 O GLU A 180 N MET A 153 SHEET 1 C 2 VAL A 162 ASP A 165 0 SHEET 2 C 2 LYS A 170 LEU A 173 -1 O LYS A 170 N ASP A 165 CISPEP 1 GLU A 230 PRO A 231 0 -0.35 SITE 1 AC1 12 ARG A 47 GLY A 48 VAL A 53 ILE A 66 SITE 2 AC1 12 LYS A 68 VAL A 95 PHE A 113 VAL A 116 SITE 3 AC1 12 MET A 163 ILE A 174 ASP A 175 HOH A 408 CRYST1 143.040 51.730 44.700 90.00 99.33 90.00 C 1 2 1 4 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 0.006991 0.000000 0.001149 0.00000 SCALE2 0.000000 0.019331 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022671 0.00000