HEADER ISOMERASE 10-JUL-99 1QDS TITLE SUPERSTABLE E65Q MUTANT OF LEISHMANIA MEXICANA TRIOSEPHOSPHATE TITLE 2 ISOMERASE (TIM) COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRIOSEPHOSPHATE ISOMERASE; COMPND 3 CHAIN: A; COMPND 4 EC: 5.3.1.1; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LEISHMANIA MEXICANA; SOURCE 3 ORGANISM_TAXID: 5665; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_PLASMID: PET 3A KEYWDS TIM, LEISHMANIA, STABILITY, MUTAGENESIS, PKA, ISOMERASE EXPDTA X-RAY DIFFRACTION AUTHOR A.M.LAMBEIR,J.BACKMANN,J.RUIZ-SANZ,V.FILIMONOV,J.E.NIELSEN,G.VRIEND, AUTHOR 2 I.KURSULA,B.V.NORLEDGE,R.K.WIERENGA REVDAT 7 14-FEB-24 1QDS 1 REMARK REVDAT 6 03-NOV-21 1QDS 1 REMARK SEQADV REVDAT 5 31-JAN-18 1QDS 1 JRNL REMARK REVDAT 4 13-JUL-11 1QDS 1 VERSN REVDAT 3 24-FEB-09 1QDS 1 VERSN REVDAT 2 01-APR-03 1QDS 1 JRNL REVDAT 1 13-DEC-00 1QDS 0 JRNL AUTH A.M.LAMBEIR,J.BACKMANN,J.RUIZ-SANZ,V.FILIMONOV,J.E.NIELSEN, JRNL AUTH 2 I.KURSULA,B.V.NORLEDGE,R.K.WIERENGA JRNL TITL THE IONIZATION OF A BURIED GLUTAMIC ACID IS JRNL TITL 2 THERMODYNAMICALLY LINKED TO THE STABILITY OF LEISHMANIA JRNL TITL 3 MEXICANA TRIOSE PHOSPHATE ISOMERASE. JRNL REF EUR.J.BIOCHEM. V. 267 2516 2000 JRNL REFN ISSN 0014-2956 JRNL PMID 10785370 JRNL DOI 10.1046/J.1432-1327.2000.01254.X REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.C.WILLIAMS,J.P.ZEELEN,G.NEUBAUER,G.VRIEND,J.BACKMANN, REMARK 1 AUTH 2 P.A.M.MICHELS,A.-M.LAMBEIR,R.WIERENGA REMARK 1 TITL STRUCTURAL AND MUTAGENESIS STUDIES OF LEISHMANIA REMARK 1 TITL 2 TRIOSEPHOSPHATE ISOMERASE: A POINT MUTATION CAN CONVERT A REMARK 1 TITL 3 MESOPHILIC ENZYME INTO A SUPERSTABLE ENZYME WITHOUT LOSING REMARK 1 TITL 4 CATALYTIC POWER REMARK 1 REF PROTEIN ENG. V. 12 243 1999 REMARK 1 REFN ISSN 0269-2139 REMARK 1 DOI 10.1093/PROTEIN/12.3.243 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.8 REMARK 3 NUMBER OF REFLECTIONS : 17304 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 + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.153 REMARK 3 FREE R VALUE : 0.195 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 882 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1906 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 9 REMARK 3 SOLVENT ATOMS : 125 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.014 ; NULL REMARK 3 ANGLE DISTANCE (A) : 2.040 ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1QDS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-JUL-99. REMARK 100 THE DEPOSITION ID IS D_1000009322. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-MAR-99 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 4.5 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 : ENRAF-NONIUS FR591 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 98464 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.4 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : 0.09100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.7000 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) : 2.06 REMARK 200 COMPLETENESS FOR SHELL (%) : 41.4 REMARK 200 DATA REDUNDANCY IN SHELL : 1.60 REMARK 200 R MERGE FOR SHELL (I) : 0.16900 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: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 16 % PEG 6000 10 MM PGA, PH 4.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 22K, TEMPERATURE 295.0K 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 49.63000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.39500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 49.63000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 26.39500 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 3690 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19210 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -32.0 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 0 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 365 O HOH A 365 2555 1.97 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 ALA A 2 C ALA A 2 O 0.129 REMARK 500 REMARK 500 REMARK: NULL 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 ALA A 2 O - C - N ANGL. DEV. = -12.4 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 LYS A 13 -148.60 53.27 REMARK 500 LYS A 176 77.01 -103.51 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 ALA A 2 24.75 REMARK 500 TYR A 101 12.06 REMARK 500 GLY A 128 -10.94 REMARK 500 LEU A 131 -10.07 REMARK 500 GLN A 182 12.34 REMARK 500 SER A 213 -10.36 REMARK 500 PRO A 240 -10.01 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 PGA A 350 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AMK RELATED DB: PDB DBREF 1QDS A 0 250 UNP P48499 TPIS_LEIME 1 251 SEQADV 1QDS GLN A 65 UNP P48499 GLU 66 ENGINEERED MUTATION SEQRES 1 A 251 MET SER ALA LYS PRO GLN PRO ILE ALA ALA ALA ASN TRP SEQRES 2 A 251 LYS CYS ASN GLY THR THR ALA SER ILE GLU LYS LEU VAL SEQRES 3 A 251 GLN VAL PHE ASN GLU HIS THR ILE SER HIS ASP VAL GLN SEQRES 4 A 251 CYS VAL VAL ALA PRO THR PHE VAL HIS ILE PRO LEU VAL SEQRES 5 A 251 GLN ALA LYS LEU ARG ASN PRO LYS TYR VAL ILE SER ALA SEQRES 6 A 251 GLN ASN ALA ILE ALA LYS SER GLY ALA PHE THR GLY GLU SEQRES 7 A 251 VAL SER MET PRO ILE LEU LYS ASP ILE GLY VAL HIS TRP SEQRES 8 A 251 VAL ILE LEU GLY HIS SER GLU ARG ARG THR TYR TYR GLY SEQRES 9 A 251 GLU THR ASP GLU ILE VAL ALA GLN LYS VAL SER GLU ALA SEQRES 10 A 251 CYS LYS GLN GLY PHE MET VAL ILE ALA CYS ILE GLY GLU SEQRES 11 A 251 THR LEU GLN GLN ARG GLU ALA ASN GLN THR ALA LYS VAL SEQRES 12 A 251 VAL LEU SER GLN THR SER ALA ILE ALA ALA LYS LEU THR SEQRES 13 A 251 LYS ASP ALA TRP ASN GLN VAL VAL LEU ALA TYR GLU PRO SEQRES 14 A 251 VAL TRP ALA ILE GLY THR GLY LYS VAL ALA THR PRO GLU SEQRES 15 A 251 GLN ALA GLN GLU VAL HIS LEU LEU LEU ARG LYS TRP VAL SEQRES 16 A 251 SER GLU ASN ILE GLY THR ASP VAL ALA ALA LYS LEU ARG SEQRES 17 A 251 ILE LEU TYR GLY GLY SER VAL ASN ALA ALA ASN ALA ALA SEQRES 18 A 251 THR LEU TYR ALA LYS PRO ASP ILE ASN GLY PHE LEU VAL SEQRES 19 A 251 GLY GLY ALA SER LEU LYS PRO GLU PHE ARG ASP ILE ILE SEQRES 20 A 251 ASP ALA THR ARG HET PGA A 350 9 HETNAM PGA 2-PHOSPHOGLYCOLIC ACID FORMUL 2 PGA C2 H5 O6 P FORMUL 3 HOH *125(H2 O) HELIX 1 1 THR A 17 HIS A 31 1 15 HELIX 2 2 THR A 44 VAL A 46 5 3 HELIX 3 3 HIS A 47 LEU A 55 1 9 HELIX 4 4 SER A 79 ILE A 86 1 8 HELIX 5 5 HIS A 95 TYR A 102 1 8 HELIX 6 6 THR A 105 GLN A 119 1 15 HELIX 7 7 THR A 130 ALA A 136 1 7 HELIX 8 8 GLN A 138 ALA A 152 1 15 HELIX 9 9 LYS A 153 LEU A 154 5 2 HELIX 10 10 THR A 155 ASN A 160 5 6 HELIX 11 11 PRO A 168 ILE A 172 5 5 HELIX 12 12 THR A 179 ILE A 198 1 20 HELIX 13 13 GLY A 199 LEU A 206 1 8 HELIX 14 14 ASN A 218 ALA A 224 1 7 HELIX 15 15 GLY A 234 PRO A 240 5 7 HELIX 16 16 GLU A 241 ALA A 248 1 8 SHEET 1 A 9 ILE A 7 ASN A 11 0 SHEET 2 A 9 GLN A 38 ALA A 42 1 O GLN A 38 N ALA A 8 SHEET 3 A 9 TYR A 60 ALA A 64 1 O VAL A 61 N VAL A 41 SHEET 4 A 9 TRP A 90 LEU A 93 1 O TRP A 90 N ALA A 64 SHEET 5 A 9 MET A 122 ILE A 127 1 O MET A 122 N VAL A 91 SHEET 6 A 9 VAL A 162 TYR A 166 1 O VAL A 163 N ALA A 125 SHEET 7 A 9 ILE A 208 GLY A 211 1 N LEU A 209 O LEU A 164 SHEET 8 A 9 GLY A 230 VAL A 233 1 O GLY A 230 N TYR A 210 SHEET 9 A 9 ILE A 7 ASN A 11 1 O ILE A 7 N PHE A 231 SITE 1 AC1 15 LYS A 13 HIS A 95 GLU A 167 ALA A 171 SITE 2 AC1 15 ILE A 172 GLY A 173 GLY A 212 SER A 213 SITE 3 AC1 15 LEU A 232 GLY A 234 GLY A 235 HOH A 352 SITE 4 AC1 15 HOH A 359 HOH A 383 HOH A 388 CRYST1 99.260 52.790 58.880 90.00 118.09 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 0.010070 0.000000 0.005380 0.00000 SCALE2 0.000000 0.018940 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019250 0.00000