PDB Short entry for 1PME HEADER TRANSFERASE 08-JUN-98 1PME TITLE STRUCTURE OF PENTA MUTANT HUMAN ERK2 MAP KINASE COMPLEXED WITH A TITLE 2 SPECIFIC INHIBITOR OF HUMAN P38 MAP KINASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: ERK2; COMPND 3 CHAIN: A; COMPND 4 EC: 2.7.1.-; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ERK2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_GENE: ERK2 KEYWDS MAP KINASE, SERINE/THREONINE PROTEIN KINASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR X.XIE REVDAT 4 21-DEC-22 1PME 1 SEQADV REVDAT 3 03-NOV-21 1PME 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1PME 1 VERSN REVDAT 1 08-JUN-99 1PME 0 JRNL AUTH T.FOX,J.T.COLL,X.XIE,P.J.FORD,U.A.GERMANN,M.D.PORTER, JRNL AUTH 2 S.PAZHANISAMY,M.A.FLEMING,V.GALULLO,M.S.SU,K.P.WILSON JRNL TITL A SINGLE AMINO ACID SUBSTITUTION MAKES ERK2 SUSCEPTIBLE TO JRNL TITL 2 PYRIDINYL IMIDAZOLE INHIBITORS OF P38 MAP KINASE. JRNL REF PROTEIN SCI. V. 7 2249 1998 JRNL REFN ISSN 0961-8368 JRNL PMID 9827991 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.3 REMARK 3 NUMBER OF REFLECTIONS : 23621 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) : 0.212 REMARK 3 FREE R VALUE : 0.273 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2434 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.09 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 87.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2405 REMARK 3 BIN R VALUE (WORKING SET) : 0.2580 REMARK 3 BIN FREE R VALUE : 0.2940 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 283 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 : 2730 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 32 REMARK 3 SOLVENT ATOMS : 211 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) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.140 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 1PME 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_1000175736. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : FEB-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30531 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 86.2 REMARK 200 DATA REDUNDANCY : 2.400 REMARK 200 R MERGE (I) : 0.03100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR 3.8 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.34 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.21 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.0 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 34.84000 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 MET A -19 REMARK 465 SER A -18 REMARK 465 SER A -17 REMARK 465 SER A -16 REMARK 465 HIS A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 SER A -9 REMARK 465 SER A -8 REMARK 465 GLY A -7 REMARK 465 LEU A -6 REMARK 465 VAL A -5 REMARK 465 PRO A -4 REMARK 465 ARG A -3 REMARK 465 GLY A -2 REMARK 465 SER 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 ALA A 6 REMARK 465 ALA A 7 REMARK 465 GLY A 8 REMARK 465 ALA A 9 REMARK 465 GLY A 10 REMARK 465 PRO A 11 REMARK 465 GLU A 12 REMARK 465 MET A 13 REMARK 465 VAL A 14 REMARK 465 ARG A 15 REMARK 465 GLU A 33 REMARK 465 GLY A 34 REMARK 465 ALA A 35 REMARK 465 LYS A 330 REMARK 465 PHE A 331 REMARK 465 ASP A 332 REMARK 465 MET A 333 REMARK 465 GLU A 334 REMARK 465 LEU A 335 REMARK 465 ASP A 336 REMARK 465 ASP A 337 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 SER A 360 O 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 PHE A 19 60.00 -146.47 REMARK 500 ILE A 31 -62.96 -126.95 REMARK 500 VAL A 46 -63.06 -97.97 REMARK 500 ARG A 148 -0.37 68.62 REMARK 500 ASP A 149 39.51 -147.94 REMARK 500 ASP A 167 69.47 64.64 REMARK 500 PHE A 168 30.49 -97.54 REMARK 500 ASN A 201 25.70 -159.95 REMARK 500 LEU A 294 49.18 -98.47 REMARK 500 ASP A 318 91.33 -160.78 REMARK 500 PRO A 356 -19.30 -44.77 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 3001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SB2 A 1001 DBREF 1PME A 1 360 UNP P28482 MK01_HUMAN 1 360 SEQADV 1PME LEU A 103 UNP P28482 ILE 103 ENGINEERED MUTATION SEQADV 1PME THR A 105 UNP P28482 GLN 105 ENGINEERED MUTATION SEQADV 1PME HIS A 106 UNP P28482 ASP 106 ENGINEERED MUTATION SEQADV 1PME GLY A 109 UNP P28482 GLU 109 ENGINEERED MUTATION SEQADV 1PME ALA A 110 UNP P28482 THR 110 ENGINEERED MUTATION SEQADV 1PME CME A 161 UNP P28482 CYS 161 MODIFIED RESIDUE SEQRES 1 A 380 MET SER SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 380 LEU VAL PRO ARG GLY SER HIS MET ALA ALA ALA ALA ALA SEQRES 3 A 380 ALA GLY ALA GLY PRO GLU MET VAL ARG GLY GLN VAL PHE SEQRES 4 A 380 ASP VAL GLY PRO ARG TYR THR ASN LEU SER TYR ILE GLY SEQRES 5 A 380 GLU GLY ALA TYR GLY MET VAL CYS SER ALA TYR ASP ASN SEQRES 6 A 380 VAL ASN LYS VAL ARG VAL ALA ILE LYS LYS ILE SER PRO SEQRES 7 A 380 PHE GLU HIS GLN THR TYR CYS GLN ARG THR LEU ARG GLU SEQRES 8 A 380 ILE LYS ILE LEU LEU ARG PHE ARG HIS GLU ASN ILE ILE SEQRES 9 A 380 GLY ILE ASN ASP ILE ILE ARG ALA PRO THR ILE GLU GLN SEQRES 10 A 380 MET LYS ASP VAL TYR LEU VAL THR HIS LEU MET GLY ALA SEQRES 11 A 380 ASP LEU TYR LYS LEU LEU LYS THR GLN HIS LEU SER ASN SEQRES 12 A 380 ASP HIS ILE CYS TYR PHE LEU TYR GLN ILE LEU ARG GLY SEQRES 13 A 380 LEU LYS TYR ILE HIS SER ALA ASN VAL LEU HIS ARG ASP SEQRES 14 A 380 LEU LYS PRO SER ASN LEU LEU LEU ASN THR THR CME ASP SEQRES 15 A 380 LEU LYS ILE CYS ASP PHE GLY LEU ALA ARG VAL ALA ASP SEQRES 16 A 380 PRO ASP HIS ASP HIS THR GLY PHE LEU THR GLU TYR VAL SEQRES 17 A 380 ALA THR ARG TRP TYR ARG ALA PRO GLU ILE MET LEU ASN SEQRES 18 A 380 SER LYS GLY TYR THR LYS SER ILE ASP ILE TRP SER VAL SEQRES 19 A 380 GLY CYS ILE LEU ALA GLU MET LEU SER ASN ARG PRO ILE SEQRES 20 A 380 PHE PRO GLY LYS HIS TYR LEU ASP GLN LEU ASN HIS ILE SEQRES 21 A 380 LEU GLY ILE LEU GLY SER PRO SER GLN GLU ASP LEU ASN SEQRES 22 A 380 CYS ILE ILE ASN LEU LYS ALA ARG ASN TYR LEU LEU SER SEQRES 23 A 380 LEU PRO HIS LYS ASN LYS VAL PRO TRP ASN ARG LEU PHE SEQRES 24 A 380 PRO ASN ALA ASP SER LYS ALA LEU ASP LEU LEU ASP LYS SEQRES 25 A 380 MET LEU THR PHE ASN PRO HIS LYS ARG ILE GLU VAL GLU SEQRES 26 A 380 GLN ALA LEU ALA HIS PRO TYR LEU GLU GLN TYR TYR ASP SEQRES 27 A 380 PRO SER ASP GLU PRO ILE ALA GLU ALA PRO PHE LYS PHE SEQRES 28 A 380 ASP MET GLU LEU ASP ASP LEU PRO LYS GLU LYS LEU LYS SEQRES 29 A 380 GLU LEU ILE PHE GLU GLU THR ALA ARG PHE GLN PRO GLY SEQRES 30 A 380 TYR ARG SER MODRES 1PME CME A 161 CYS S,S-(2-HYDROXYETHYL)THIOCYSTEINE HET CME A 161 10 HET SO4 A3001 5 HET SB2 A1001 27 HETNAM CME S,S-(2-HYDROXYETHYL)THIOCYSTEINE HETNAM SO4 SULFATE ION HETNAM SB2 4-[5-(4-FLUORO-PHENYL)-2-(4-METHANESULFINYL-PHENYL)-3H- HETNAM 2 SB2 IMIDAZOL-4-YL]-PYRIDINE FORMUL 1 CME C5 H11 N O3 S2 FORMUL 2 SO4 O4 S 2- FORMUL 3 SB2 C21 H16 F N3 O S FORMUL 4 HOH *211(H2 O) HELIX 1 1 GLN A 62 ARG A 77 1 16 HELIX 2 2 LEU A 112 THR A 118 1 7 HELIX 3 3 ASN A 123 SER A 142 1 20 HELIX 4 4 PRO A 152 ASN A 154 5 3 HELIX 5 5 PRO A 176 HIS A 178 5 3 HELIX 6 6 ARG A 191 TYR A 193 5 3 HELIX 7 7 PRO A 196 ILE A 198 5 3 HELIX 8 8 LYS A 207 SER A 223 5 17 HELIX 9 9 TYR A 233 LEU A 244 1 12 HELIX 10 10 GLN A 249 ASN A 253 1 5 HELIX 11 11 LEU A 258 LEU A 265 1 8 HELIX 12 12 TRP A 275 LEU A 278 1 4 HELIX 13 13 SER A 284 MET A 293 1 10 HELIX 14 14 VAL A 304 LEU A 308 1 5 HELIX 15 15 PRO A 311 LEU A 313 5 3 HELIX 16 16 PRO A 319 ASP A 321 5 3 HELIX 17 17 LYS A 340 GLU A 350 1 11 HELIX 18 18 ALA A 352 PHE A 354 5 3 SHEET 1 A 4 VAL A 39 TYR A 43 0 SHEET 2 A 4 ARG A 50 ILE A 56 -1 N ILE A 53 O CYS A 40 SHEET 3 A 4 VAL A 101 HIS A 106 -1 N THR A 105 O ALA A 52 SHEET 4 A 4 ASP A 88 ILE A 90 -1 N ILE A 90 O TYR A 102 SHEET 1 B 2 LEU A 155 LEU A 157 0 SHEET 2 B 2 LEU A 163 ILE A 165 -1 N LYS A 164 O LEU A 156 LINK C THR A 160 N CME A 161 1555 1555 1.31 LINK C CME A 161 N ASP A 162 1555 1555 1.33 SITE 1 AC1 3 ARG A 191 ARG A 194 TYR A 233 SITE 1 AC2 14 ALA A 52 LEU A 103 VAL A 104 THR A 105 SITE 2 AC2 14 HIS A 106 LEU A 107 MET A 108 LYS A 151 SITE 3 AC2 14 SER A 153 ASN A 154 LEU A 156 CYS A 166 SITE 4 AC2 14 ASP A 167 HOH A2176 CRYST1 48.640 69.680 60.280 90.00 109.25 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 0.020559 0.000000 0.007180 0.00000 SCALE2 0.000000 0.014351 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017572 0.00000