HEADER GLUCONEOGENESIS 17-JUN-97 1AMK TITLE LEISHMANIA MEXICANA TRIOSE PHOSPHATE ISOMERASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRIOSE PHOSPHATE ISOMERASE; COMPND 3 CHAIN: A; COMPND 4 EC: 5.3.1.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LEISHMANIA MEXICANA; SOURCE 3 ORGANISM_TAXID: 5665 KEYWDS TIM, 2-PG, PGA, GLUCONEOGENESIS, FATTY ACID BIOSYNTHESIS EXPDTA X-RAY DIFFRACTION AUTHOR J.C.WILLIAMS,R.WIERENGA REVDAT 6 02-AUG-23 1AMK 1 REMARK REVDAT 5 18-APR-18 1AMK 1 REMARK REVDAT 4 16-NOV-11 1AMK 1 HETATM REVDAT 3 13-JUL-11 1AMK 1 VERSN REVDAT 2 24-FEB-09 1AMK 1 VERSN REVDAT 1 17-DEC-97 1AMK 0 JRNL AUTH J.C.WILLIAMS,J.P.ZEELEN,G.NEUBAUER,G.VRIEND,J.BACKMANN, JRNL AUTH 2 P.A.MICHELS,A.M.LAMBEIR,R.K.WIERENGA JRNL TITL STRUCTURAL AND MUTAGENESIS STUDIES OF LEISHMANIA JRNL TITL 2 TRIOSEPHOSPHATE ISOMERASE: A POINT MUTATION CAN CONVERT A JRNL TITL 3 MESOPHILIC ENZYME INTO A SUPERSTABLE ENZYME WITHOUT LOSING JRNL TITL 4 CATALYTIC POWER. JRNL REF PROTEIN ENG. V. 12 243 1999 JRNL REFN ISSN 0269-2139 JRNL PMID 10235625 JRNL DOI 10.1093/PROTEIN/12.3.243 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH L.KOHL,M.CALLENS,R.K.WIERENGA,F.R.OPPERDOES,P.A.MICHELS REMARK 1 TITL TRIOSE-PHOSPHATE ISOMERASE OF LEISHMANIA MEXICANA MEXICANA. REMARK 1 TITL 2 CLONING AND CHARACTERIZATION OF THE GENE, OVEREXPRESSION IN REMARK 1 TITL 3 ESCHERICHIA COLI AND ANALYSIS OF THE PROTEIN REMARK 1 REF EUR.J.BIOCHEM. V. 220 331 1994 REMARK 1 REFN ISSN 0014-2956 REMARK 2 REMARK 2 RESOLUTION. 1.83 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT 5D REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.83 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 88.0 REMARK 3 NUMBER OF REFLECTIONS : 21346 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.107 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.1070 REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL 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 : 112 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.016 ; 6.000 ; 1950 REMARK 3 BOND ANGLES (DEGREES) : 2.808 ; 3.000 ; 2644 REMARK 3 TORSION ANGLES (DEGREES) : 17.552; 3.000 ; 1159 REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : 0.017 ; 8.000 ; 48 REMARK 3 GENERAL PLANES (A) : 0.016 ; 25.000; 280 REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : 6.075 ; 0.210 ; 1950 REMARK 3 NON-BONDED CONTACTS (A) : 0.015 ; 240.00; 66 REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : BABINET REMARK 3 KSOL : 0.80 REMARK 3 BSOL : 262.9 REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : TNT PROTGEO REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : TNT BCORREL V1.0 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1AMK 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_1000171002. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-FEB-96 REMARK 200 TEMPERATURE (KELVIN) : 295 REMARK 200 PH : 5.85 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL 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 : DIFFRACTOMETER REMARK 200 DETECTOR MANUFACTURER : ENRAF-NONIUS FAST REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22669 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 22.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.2 REMARK 200 DATA REDUNDANCY : 5.500 REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.83 REMARK 200 COMPLETENESS FOR SHELL (%) : 84.3 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.11600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 5TIM REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM ACETIC ACID/NAOH 4.5 20% PEG REMARK 280 6000 1 MM DTT, EDTA, 1 MM AZIDE, 5% ETHYLENE GLYCOL, 10 MM 2- REMARK 280 PHOSPHOGLYCOLIC ACID. CRYSTAL WAS MOVED INTO 100 MM CITRATE PH REMARK 280 5.85 20 % PEG 6000, 1 MM DTT, 1 MM EDTA, 1 MM AZIDE BEFORE DATA REMARK 280 COLLECTION. 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 49.54500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.47000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 49.54500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 26.47000 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: 3720 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19010 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 404 LIES ON A SPECIAL POSITION. 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 274 O HOH A 274 2555 1.40 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 ARG A 250 C ARG A 250 OXT 1.534 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 CYS A 39 CA - CB - SG ANGL. DEV. = -11.3 DEGREES REMARK 500 ARG A 98 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 TYR A 101 CB - CA - C ANGL. DEV. = -14.4 DEGREES REMARK 500 ASP A 106 CB - CG - OD1 ANGL. DEV. = 8.8 DEGREES REMARK 500 ILE A 108 CG1 - CB - CG2 ANGL. DEV. = -16.2 DEGREES REMARK 500 LEU A 144 CB - CG - CD2 ANGL. DEV. = 10.8 DEGREES REMARK 500 SER A 145 CB - CA - C ANGL. DEV. = -16.0 DEGREES REMARK 500 THR A 155 CB - CA - C ANGL. DEV. = -18.1 DEGREES REMARK 500 THR A 179 CA - CB - CG2 ANGL. DEV. = -10.6 DEGREES REMARK 500 ASP A 201 CB - CG - OD1 ANGL. DEV. = 8.1 DEGREES REMARK 500 ASP A 201 CB - CG - OD2 ANGL. DEV. = -5.4 DEGREES REMARK 500 LEU A 222 CB - CG - CD1 ANGL. DEV. = 10.3 DEGREES REMARK 500 ARG A 243 NE - CZ - NH2 ANGL. DEV. = -4.3 DEGREES REMARK 500 ASP A 244 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 ARG A 250 NE - CZ - NH1 ANGL. DEV. = -4.7 DEGREES REMARK 500 ARG A 250 NE - CZ - NH2 ANGL. DEV. = 3.5 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 ALA A 2 -14.96 82.51 REMARK 500 LYS A 3 174.22 -17.22 REMARK 500 LYS A 13 -133.29 49.82 REMARK 500 CYS A 14 64.23 -106.11 REMARK 500 ASN A 66 172.42 178.43 REMARK 500 ALA A 67 171.23 178.78 REMARK 500 LYS A 176 70.61 -102.77 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 PGA A 600 DBREF 1AMK A 0 250 UNP P48499 TPIS_LEIME 1 251 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 GLU 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 600 9 HETNAM PGA 2-PHOSPHOGLYCOLIC ACID FORMUL 2 PGA C2 H5 O6 P FORMUL 3 HOH *112(H2 O) HELIX 1 1 THR A 18 ASN A 29 1 12 HELIX 2 2 ILE A 48 LYS A 54 1 7 HELIX 3 3 MET A 80 ASP A 85 1 6 HELIX 4 4 SER A 96 TYR A 101 1 6 HELIX 5 5 ASP A 106 LYS A 118 1 13 HELIX 6 6 LEU A 131 GLU A 135 1 5 HELIX 7 7 THR A 139 LYS A 153 1 15 HELIX 8 8 LYS A 156 GLN A 161 5 6 HELIX 9 9 VAL A 169 ALA A 171 5 3 HELIX 10 10 PRO A 180 ASN A 197 1 18 HELIX 11 11 THR A 200 LYS A 205 1 6 HELIX 12 12 ALA A 219 TYR A 223 1 5 HELIX 13 13 GLY A 235 LEU A 238 5 4 HELIX 14 14 PRO A 240 ALA A 248 5 9 SHEET 1 A 4 GLY A 230 VAL A 233 0 SHEET 2 A 4 PRO A 6 ASN A 11 1 N ILE A 7 O PHE A 231 SHEET 3 A 4 VAL A 37 ALA A 42 1 N GLN A 38 O PRO A 6 SHEET 4 A 4 TYR A 60 SER A 63 1 N VAL A 61 O CYS A 39 SHEET 1 B 4 TRP A 90 LEU A 93 0 SHEET 2 B 4 MET A 122 ILE A 127 1 N MET A 122 O VAL A 91 SHEET 3 B 4 VAL A 162 TYR A 166 1 N VAL A 163 O VAL A 123 SHEET 4 B 4 ILE A 208 TYR A 210 1 N LEU A 209 O LEU A 164 SITE 1 AC1 14 LYS A 13 HIS A 95 GLU A 167 ALA A 171 SITE 2 AC1 14 ILE A 172 GLY A 173 GLY A 212 SER A 213 SITE 3 AC1 14 GLY A 234 GLY A 235 HOH A 261 HOH A 271 SITE 4 AC1 14 HOH A 317 HOH A 324 CRYST1 99.090 52.940 58.850 90.00 118.13 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 0.010092 0.000000 0.005395 0.00000 SCALE2 0.000000 0.018889 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019268 0.00000