HEADER TRANSFERASE 09-JUL-98 4ERK TITLE THE COMPLEX STRUCTURE OF THE MAP KINASE ERK2/OLOMOUCINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: EXTRACELLULAR REGULATED KINASE 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MITOGEN ACTIVATED PROTEIN KINASE, MAP 2, ERK2; COMPND 5 EC: 2.7.1.-; COMPND 6 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 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: NPT7-HIS6; SOURCE 10 EXPRESSION_SYSTEM_GENE: ERK2 KEYWDS TRANSFERASE, SERINE/THREONINE-PROTEIN KINASE, MAP KINASE, ERK2 EXPDTA X-RAY DIFFRACTION AUTHOR Z.WANG,B.CANAGARAJAH,J.C.BOEHM,M.H.COBB,P.R.YOUNG,S.ABDEL-MEGUID, AUTHOR 2 J.L.ADAMS,E.J.GOLDSMITH REVDAT 5 22-MAY-24 4ERK 1 REMARK REVDAT 4 09-AUG-23 4ERK 1 REMARK REVDAT 3 24-FEB-09 4ERK 1 VERSN REVDAT 2 01-APR-03 4ERK 1 JRNL REVDAT 1 22-JUL-99 4ERK 0 JRNL AUTH Z.WANG,B.J.CANAGARAJAH,J.C.BOEHM,S.KASSISA,M.H.COBB, JRNL AUTH 2 P.R.YOUNG,S.ABDEL-MEGUID,J.L.ADAMS,E.J.GOLDSMITH JRNL TITL STRUCTURAL BASIS OF INHIBITOR SELECTIVITY IN MAP KINASES. JRNL REF STRUCTURE V. 6 1117 1998 JRNL REFN ISSN 0969-2126 JRNL PMID 9753691 JRNL DOI 10.1016/S0969-2126(98)00113-0 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.8 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 85.0 REMARK 3 NUMBER OF REFLECTIONS : 21742 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.214 REMARK 3 FREE R VALUE : 0.317 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1086 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2849 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 27 REMARK 3 SOLVENT ATOMS : 129 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4ERK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000179310. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JAN-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.1 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21746 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.5 REMARK 200 DATA REDUNDANCY : 2.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.03400 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 20.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 77.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.37100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.8 REMARK 200 STARTING MODEL: PDB ENTRY 1ERK REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.1 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 35.13000 REMARK 290 SMTRY3 2 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 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 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 HIS A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 ALA A 2 REMARK 465 ALA A 3 REMARK 465 ALA A 4 REMARK 465 ALA A 5 REMARK 465 TYR A 356 REMARK 465 ARG A 357 REMARK 465 SER A 358 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 436 O HOH A 461 1.68 REMARK 500 O HOH A 490 O HOH A 527 1.76 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 470 O HOH A 497 2647 1.53 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 GLN A 15 149.40 62.10 REMARK 500 PHE A 17 82.30 -164.28 REMARK 500 VAL A 19 -3.54 -176.15 REMARK 500 THR A 24 -158.37 -120.73 REMARK 500 GLU A 31 -131.05 -153.13 REMARK 500 ALA A 33 131.77 176.63 REMARK 500 TYR A 34 48.83 30.24 REMARK 500 ALA A 40 -110.31 -152.92 REMARK 500 TYR A 41 102.14 -179.62 REMARK 500 ARG A 77 97.05 -162.41 REMARK 500 THR A 108 -160.80 -160.99 REMARK 500 ARG A 146 -9.96 74.60 REMARK 500 ASN A 156 -169.89 -118.45 REMARK 500 ASP A 165 71.97 76.96 REMARK 500 ALA A 172 152.37 -47.41 REMARK 500 ASP A 173 73.49 -167.25 REMARK 500 HIS A 176 53.05 -114.89 REMARK 500 THR A 179 164.64 179.60 REMARK 500 ASN A 199 38.77 -177.25 REMARK 500 PRO A 278 -72.46 -52.04 REMARK 500 LEU A 292 59.59 -91.31 REMARK 500 ASP A 316 91.72 -161.36 REMARK 500 PRO A 326 159.07 -46.81 REMARK 500 ASP A 330 38.49 -64.80 REMARK 500 MET A 331 -52.57 -138.27 REMARK 500 GLU A 332 100.46 22.09 REMARK 500 LEU A 333 1.59 143.41 REMARK 500 ASP A 334 -68.51 76.25 REMARK 500 ASP A 335 108.85 -34.31 REMARK 500 PRO A 354 -104.93 -61.52 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 990 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OLO A 800 DBREF 4ERK A 1 358 UNP P63086 MK01_RAT 1 358 SEQRES 1 A 364 HIS HIS HIS HIS HIS HIS MET ALA ALA ALA ALA ALA ALA SEQRES 2 A 364 GLY PRO GLU MET VAL ARG GLY GLN VAL PHE ASP VAL GLY SEQRES 3 A 364 PRO ARG TYR THR ASN LEU SER TYR ILE GLY GLU GLY ALA SEQRES 4 A 364 TYR GLY MET VAL CYS SER ALA TYR ASP ASN LEU ASN LYS SEQRES 5 A 364 VAL ARG VAL ALA ILE LYS LYS ILE SER PRO PHE GLU HIS SEQRES 6 A 364 GLN THR TYR CYS GLN ARG THR LEU ARG GLU ILE LYS ILE SEQRES 7 A 364 LEU LEU ARG PHE ARG HIS GLU ASN ILE ILE GLY ILE ASN SEQRES 8 A 364 ASP ILE ILE ARG ALA PRO THR ILE GLU GLN MET LYS ASP SEQRES 9 A 364 VAL TYR ILE VAL GLN ASP LEU MET GLU THR ASP LEU TYR SEQRES 10 A 364 LYS LEU LEU LYS THR GLN HIS LEU SER ASN ASP HIS ILE SEQRES 11 A 364 CYS TYR PHE LEU TYR GLN ILE LEU ARG GLY LEU LYS TYR SEQRES 12 A 364 ILE HIS SER ALA ASN VAL LEU HIS ARG ASP LEU LYS PRO SEQRES 13 A 364 SER ASN LEU LEU LEU ASN THR THR CYS ASP LEU LYS ILE SEQRES 14 A 364 CYS ASP PHE GLY LEU ALA ARG VAL ALA ASP PRO ASP HIS SEQRES 15 A 364 ASP HIS THR GLY PHE LEU THR GLU TYR VAL ALA THR ARG SEQRES 16 A 364 TRP TYR ARG ALA PRO GLU ILE MET LEU ASN SER LYS GLY SEQRES 17 A 364 TYR THR LYS SER ILE ASP ILE TRP SER VAL GLY CYS ILE SEQRES 18 A 364 LEU ALA GLU MET LEU SER ASN ARG PRO ILE PHE PRO GLY SEQRES 19 A 364 LYS HIS TYR LEU ASP GLN LEU ASN HIS ILE LEU GLY ILE SEQRES 20 A 364 LEU GLY SER PRO SER GLN GLU ASP LEU ASN CYS ILE ILE SEQRES 21 A 364 ASN LEU LYS ALA ARG ASN TYR LEU LEU SER LEU PRO HIS SEQRES 22 A 364 LYS ASN LYS VAL PRO TRP ASN ARG LEU PHE PRO ASN ALA SEQRES 23 A 364 ASP SER LYS ALA LEU ASP LEU LEU ASP LYS MET LEU THR SEQRES 24 A 364 PHE ASN PRO HIS LYS ARG ILE GLU VAL GLU GLN ALA LEU SEQRES 25 A 364 ALA HIS PRO TYR LEU GLU GLN TYR TYR ASP PRO SER ASP SEQRES 26 A 364 GLU PRO ILE ALA GLU ALA PRO PHE LYS PHE ASP MET GLU SEQRES 27 A 364 LEU ASP ASP LEU PRO LYS GLU LYS LEU LYS GLU LEU ILE SEQRES 28 A 364 PHE GLU GLU THR ALA ARG PHE GLN PRO GLY TYR ARG SER HET SO4 A 990 5 HET OLO A 800 22 HETNAM SO4 SULFATE ION HETNAM OLO OLOMOUCINE FORMUL 2 SO4 O4 S 2- FORMUL 3 OLO C15 H18 N6 O FORMUL 4 HOH *129(H2 O) HELIX 1 1 GLN A 60 ARG A 75 1 16 HELIX 2 2 LEU A 110 THR A 116 1 7 HELIX 3 3 ASN A 121 ALA A 141 1 21 HELIX 4 4 PRO A 150 ASN A 152 5 3 HELIX 5 5 PRO A 174 HIS A 176 5 3 HELIX 6 6 ARG A 189 TYR A 191 5 3 HELIX 7 7 PRO A 194 LEU A 198 1 5 HELIX 8 8 LYS A 205 SER A 221 5 17 HELIX 9 9 TYR A 231 LEU A 242 1 12 HELIX 10 10 GLN A 247 CYS A 252 1 6 HELIX 11 11 LEU A 256 SER A 264 1 9 HELIX 12 12 TRP A 273 LEU A 276 1 4 HELIX 13 13 SER A 282 MET A 291 1 10 HELIX 14 14 VAL A 302 LEU A 306 1 5 HELIX 15 15 PRO A 309 LEU A 311 5 3 HELIX 16 16 PRO A 317 ASP A 319 5 3 HELIX 17 17 LYS A 338 GLU A 348 1 11 HELIX 18 18 ALA A 350 PHE A 352 5 3 SHEET 1 A 5 ASP A 86 ILE A 88 0 SHEET 2 A 5 VAL A 99 GLN A 103 -1 N VAL A 102 O ASP A 86 SHEET 3 A 5 ALA A 50 ILE A 54 -1 N ILE A 54 O VAL A 99 SHEET 4 A 5 GLY A 35 SER A 39 -1 N CYS A 38 O ILE A 51 SHEET 5 A 5 SER A 27 GLY A 30 -1 N GLY A 30 O VAL A 37 SHEET 1 B 2 LEU A 153 LEU A 155 0 SHEET 2 B 2 LEU A 161 ILE A 163 -1 N LYS A 162 O LEU A 154 SITE 1 AC1 5 GLU A 184 ARG A 189 ARG A 192 TYR A 231 SITE 2 AC1 5 HOH A 494 SITE 1 AC2 11 ILE A 29 GLU A 31 ALA A 50 GLN A 103 SITE 2 AC2 11 ASP A 104 LEU A 105 MET A 106 GLU A 107 SITE 3 AC2 11 LYS A 112 LEU A 154 HOH A 493 CRYST1 48.870 70.260 59.970 90.00 109.05 90.00 P 1 21 1 2 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 0.020462 0.000000 0.007066 0.00000 SCALE2 0.000000 0.014233 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017641 0.00000