HEADER TRANSFERASE 15-JAN-15 4XNE TITLE CRYSTAL STRUCTURE OF ERK2 IN COMPLEX WITH AN INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: MITOGEN-ACTIVATED PROTEIN KINASE 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 9-354; COMPND 5 SYNONYM: MAPK 1,ERT1,EXTRACELLULAR SIGNAL-REGULATED KINASE 2,ERK-2, COMPND 6 MAP KINASE ISOFORM P42,P42-MAPK,MITOGEN-ACTIVATED PROTEIN KINASE 2, COMPND 7 MAPK 2; COMPND 8 EC: 2.7.11.24; COMPND 9 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 GENE: MAPK1, ERK2, MAPK, PRKM1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS SERINE THREONINE KINASE INHIBITOR, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR M.GELIN,F.ALLEMAND,G.LABESSE,J.F.GUICHOU REVDAT 2 19-AUG-15 4XNE 1 JRNL REVDAT 1 12-AUG-15 4XNE 0 JRNL AUTH M.GELIN,V.DELFOSSE,F.ALLEMAND,F.HOH,Y.SALLAZ-DAMAZ, JRNL AUTH 2 M.PIROCCHI,W.BOURGUET,J.L.FERRER,G.LABESSE,J.F.GUICHOU JRNL TITL COMBINING `DRY' CO-CRYSTALLIZATION AND IN SITU DIFFRACTION JRNL TITL 2 TO FACILITATE LIGAND SCREENING BY X-RAY CRYSTALLOGRAPHY. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 71 1777 2015 JRNL REFN ESSN 1399-0047 JRNL PMID 26249358 JRNL DOI 10.1107/S1399004715010342 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.7.0032 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 44.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 3 NUMBER OF REFLECTIONS : 34272 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 + TEST SET) : 0.180 REMARK 3 R VALUE (WORKING SET) : 0.178 REMARK 3 FREE R VALUE : 0.218 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1804 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.85 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2541 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.85 REMARK 3 BIN R VALUE (WORKING SET) : 0.2620 REMARK 3 BIN FREE R VALUE SET COUNT : 134 REMARK 3 BIN FREE R VALUE : 0.2710 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2839 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 18 REMARK 3 SOLVENT ATOMS : 126 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.57000 REMARK 3 B22 (A**2) : 0.54000 REMARK 3 B33 (A**2) : 0.06000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.11000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.121 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.120 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.082 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.609 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.963 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.941 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2984 ; 0.010 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 2889 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4056 ; 1.417 ; 1.984 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6666 ; 0.784 ; 3.001 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 364 ; 5.442 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 143 ;39.175 ;24.056 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 538 ;17.129 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 19 ;20.951 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 446 ; 0.090 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3333 ; 0.006 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 692 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1403 ; 2.135 ; 3.083 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1402 ; 2.135 ; 3.081 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1757 ; 3.255 ; 4.613 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 4XNE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-JAN-15. REMARK 100 THE DEPOSITION ID IS D_1000205998. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-JUL-14 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM30A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9797 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 34272 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 44.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.3 REMARK 200 DATA REDUNDANCY : 2.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.8000 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: NULL REMARK 200 SOFTWARE USED: REFMAC REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.92 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.51 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MES 100MM, (NH4)2SO4 200MM, BETA REMARK 280 -MERCAPTOETHANOL 20MM AND 26% (W/V) PEG MME2000, PH 6.5, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 298K 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 35.78000 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 300 REMARK: BIOLOGICAL UNIT IS THE SAME AS ASYM. 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 TOTAL BURIED SURFACE AREA: 190 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16660 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -13.0 KCAL/MOL 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 LEU A 110 CB - CG - CD2 ANGL. DEV. = 10.3 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 13 51.64 38.48 REMARK 500 ALA A 33 22.54 -74.37 REMARK 500 TYR A 34 -53.82 -130.53 REMARK 500 ARG A 146 -2.65 76.63 REMARK 500 ASP A 147 42.42 -142.21 REMARK 500 ASP A 165 82.73 62.87 REMARK 500 ASN A 199 14.64 -157.37 REMARK 500 LEU A 292 56.11 -94.82 REMARK 500 LEU A 333 -48.48 88.50 REMARK 500 LYS A 338 -51.31 -25.83 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 TT4 A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 402 DBREF 4XNE A 9 354 UNP P63086 MK01_RAT 9 354 SEQRES 1 A 346 PRO GLU MET VAL ARG GLY GLN VAL PHE ASP VAL GLY PRO SEQRES 2 A 346 ARG TYR THR ASN LEU SER TYR ILE GLY GLU GLY ALA TYR SEQRES 3 A 346 GLY MET VAL CYS SER ALA TYR ASP ASN LEU ASN LYS VAL SEQRES 4 A 346 ARG VAL ALA ILE LYS LYS ILE SER PRO PHE GLU HIS GLN SEQRES 5 A 346 THR TYR CYS GLN ARG THR LEU ARG GLU ILE LYS ILE LEU SEQRES 6 A 346 LEU ARG PHE ARG HIS GLU ASN ILE ILE GLY ILE ASN ASP SEQRES 7 A 346 ILE ILE ARG ALA PRO THR ILE GLU GLN MET LYS ASP VAL SEQRES 8 A 346 TYR ILE VAL GLN ASP LEU MET GLU THR ASP LEU TYR LYS SEQRES 9 A 346 LEU LEU LYS THR GLN HIS LEU SER ASN ASP HIS ILE CYS SEQRES 10 A 346 TYR PHE LEU TYR GLN ILE LEU ARG GLY LEU LYS TYR ILE SEQRES 11 A 346 HIS SER ALA ASN VAL LEU HIS ARG ASP LEU LYS PRO SER SEQRES 12 A 346 ASN LEU LEU LEU ASN THR THR CME ASP LEU LYS ILE CYS SEQRES 13 A 346 ASP PHE GLY LEU ALA ARG VAL ALA ASP PRO ASP HIS ASP SEQRES 14 A 346 HIS THR GLY PHE LEU THR GLU TYR VAL ALA THR ARG TRP SEQRES 15 A 346 TYR ARG ALA PRO GLU ILE MET LEU ASN SER LYS GLY TYR SEQRES 16 A 346 THR LYS SER ILE ASP ILE TRP SER VAL GLY CYS ILE LEU SEQRES 17 A 346 ALA GLU MET LEU SER ASN ARG PRO ILE PHE PRO GLY LYS SEQRES 18 A 346 HIS TYR LEU ASP GLN LEU ASN HIS ILE LEU GLY ILE LEU SEQRES 19 A 346 GLY SER PRO SER GLN GLU ASP LEU ASN CME ILE ILE ASN SEQRES 20 A 346 LEU LYS ALA ARG ASN TYR LEU LEU SER LEU PRO HIS LYS SEQRES 21 A 346 ASN LYS VAL PRO TRP ASN ARG LEU PHE PRO ASN ALA ASP SEQRES 22 A 346 SER LYS ALA LEU ASP LEU LEU ASP LYS MET LEU THR PHE SEQRES 23 A 346 ASN PRO HIS LYS ARG ILE GLU VAL GLU GLN ALA LEU ALA SEQRES 24 A 346 HIS PRO TYR LEU GLU GLN TYR TYR ASP PRO SER ASP GLU SEQRES 25 A 346 PRO ILE ALA GLU ALA PRO PHE LYS PHE ASP MET GLU LEU SEQRES 26 A 346 ASP ASP LEU PRO LYS GLU LYS LEU LYS GLU LEU ILE PHE SEQRES 27 A 346 GLU GLU THR ALA ARG PHE GLN PRO MODRES 4XNE CME A 159 CYS MODIFIED RESIDUE MODRES 4XNE CME A 252 CYS MODIFIED RESIDUE HET CME A 159 10 HET CME A 252 10 HET TT4 A 401 13 HET SO4 A 402 5 HETNAM CME S,S-(2-HYDROXYETHYL)THIOCYSTEINE HETNAM TT4 1-PHENYL-1H-1,2,4-TRIAZOLE-3,5-DIAMINE HETNAM SO4 SULFATE ION FORMUL 1 CME 2(C5 H11 N O3 S2) FORMUL 2 TT4 C8 H9 N5 FORMUL 3 SO4 O4 S 2- FORMUL 4 HOH *126(H2 O) HELIX 1 AA1 HIS A 59 PHE A 76 1 18 HELIX 2 AA2 THR A 92 MET A 96 5 5 HELIX 3 AA3 LEU A 110 GLN A 117 1 8 HELIX 4 AA4 SER A 120 ALA A 141 1 22 HELIX 5 AA5 LYS A 149 SER A 151 5 3 HELIX 6 AA6 ASP A 173 ASP A 177 5 5 HELIX 7 AA7 THR A 188 ALA A 193 5 6 HELIX 8 AA8 PRO A 194 ASN A 199 1 6 HELIX 9 AA9 LYS A 205 ASN A 222 1 18 HELIX 10 AB1 LEU A 232 GLY A 243 1 12 HELIX 11 AB2 SER A 246 CME A 252 1 7 HELIX 12 AB3 ASN A 255 LEU A 265 1 11 HELIX 13 AB4 PRO A 272 PHE A 277 1 6 HELIX 14 AB5 ASP A 281 LEU A 292 1 12 HELIX 15 AB6 ASN A 295 ARG A 299 5 5 HELIX 16 AB7 GLU A 301 ALA A 307 1 7 HELIX 17 AB8 HIS A 308 GLU A 312 5 5 HELIX 18 AB9 ASP A 316 GLU A 320 5 5 HELIX 19 AC1 PRO A 337 ALA A 350 1 14 HELIX 20 AC2 ARG A 351 GLN A 353 5 3 SHEET 1 AA1 5 TYR A 23 GLU A 31 0 SHEET 2 AA1 5 MET A 36 ASP A 42 -1 O TYR A 41 N THR A 24 SHEET 3 AA1 5 VAL A 47 ILE A 54 -1 O VAL A 47 N ASP A 42 SHEET 4 AA1 5 VAL A 99 ASP A 104 -1 O GLN A 103 N ALA A 50 SHEET 5 AA1 5 ASP A 86 ILE A 88 -1 N ILE A 88 O TYR A 100 SHEET 1 AA2 3 THR A 108 ASP A 109 0 SHEET 2 AA2 3 LEU A 153 LEU A 155 -1 O LEU A 155 N THR A 108 SHEET 3 AA2 3 LEU A 161 ILE A 163 -1 O LYS A 162 N LEU A 154 SHEET 1 AA3 2 VAL A 143 LEU A 144 0 SHEET 2 AA3 2 ARG A 170 VAL A 171 -1 O ARG A 170 N LEU A 144 LINK C THR A 158 N CME A 159 1555 1555 1.33 LINK C CME A 159 N ASP A 160 1555 1555 1.33 LINK C ASN A 251 N CME A 252 1555 1555 1.33 LINK C CME A 252 N ILE A 253 1555 1555 1.33 SITE 1 AC1 5 ALA A 50 LYS A 52 GLN A 103 ASP A 104 SITE 2 AC1 5 MET A 106 SITE 1 AC2 3 ARG A 189 ARG A 192 TYR A 231 CRYST1 49.150 71.560 60.940 90.00 109.13 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 0.020346 0.000000 0.007058 0.00000 SCALE2 0.000000 0.013974 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017369 0.00000