HEADER LYASE 25-JAN-02 1KV8 TITLE CRYSTAL STRUCTURE OF 3-KETO-L-GULONATE 6-PHOSPHATE DECARBOXYLASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: 3-KETO-L-GULONATE 6-PHOSPHATE DECARBOXYLASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: HEXULOSE-6-PHOSPHATE SYNTHASE; HUMPS; D-ARABINO 3-HEXULOSE COMPND 5 6-PHOSPHATE FORMALDEHYDE LYASE; COMPND 6 EC: 4.1.2.-; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS BETA/ALPHA-BARREL, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR E.WISE,W.S.YEW,P.C.BABBITT,J.A.GERLT,I.RAYMENT REVDAT 4 14-FEB-24 1KV8 1 REMARK LINK REVDAT 3 16-NOV-11 1KV8 1 VERSN HETATM REVDAT 2 24-FEB-09 1KV8 1 VERSN REVDAT 1 15-APR-02 1KV8 0 JRNL AUTH E.WISE,W.S.YEW,P.C.BABBITT,J.A.GERLT,I.RAYMENT JRNL TITL HOMOLOGOUS (BETA/ALPHA)8-BARREL ENZYMES THAT CATALYZE JRNL TITL 2 UNRELATED REACTIONS: OROTIDINE 5'-MONOPHOSPHATE JRNL TITL 3 DECARBOXYLASE AND 3-KETO-L-GULONATE 6-PHOSPHATE JRNL TITL 4 DECARBOXYLASE. JRNL REF BIOCHEMISTRY V. 41 3861 2002 JRNL REFN ISSN 0006-2960 JRNL PMID 11900527 JRNL DOI 10.1021/BI012174E REMARK 2 REMARK 2 RESOLUTION. 1.62 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.62 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 500.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.1 REMARK 3 NUMBER OF REFLECTIONS : 57167 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) : 0.182 REMARK 3 FREE R VALUE : 0.199 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2873 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 : 3271 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 11 REMARK 3 SOLVENT ATOMS : 405 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.80 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) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.303 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 1KV8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-FEB-02. REMARK 100 THE DEPOSITION ID IS D_1000015378. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-BM REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97625 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 57167 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.620 REMARK 200 RESOLUTION RANGE LOW (A) : 500.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.1 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 39.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.62 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.67 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.18100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.45 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% MEPEG 5000, 100 MM REMARK 280 SODIUM/POTASSIUM PHOSPHATE, 100 MM PIPES, PH 7.0, MICRO-BATCH AT REMARK 280 298K, MICROBATCH 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 61.73500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 20.81550 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 61.73500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 20.81550 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 REMARK 350 TOTAL BURIED SURFACE AREA: 3540 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16170 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -50.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9390 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 30040 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -108.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 123.47000 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 635 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 1 REMARK 465 SER A 2 REMARK 465 GLY A 216 REMARK 465 MET B 1 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 B 2 OG REMARK 470 TYR B 116 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLU B 120 CG CD OE1 OE2 REMARK 470 GLU B 150 CG CD OE1 OE2 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 ASP A 11 53.89 -97.69 REMARK 500 ASP B 11 45.96 -95.34 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 503 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 33 OE2 REMARK 620 2 ASP A 62 OD2 83.2 REMARK 620 3 HOH A 520 O 100.5 94.1 REMARK 620 4 HOH A 535 O 174.7 92.7 76.3 REMARK 620 5 HOH A 634 O 105.2 170.8 88.2 79.1 REMARK 620 6 HOH A 645 O 79.0 97.7 168.0 105.0 80.4 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 503 DBREF 1KV8 A 1 216 UNP P39304 SGAH_ECOLI 1 216 DBREF 1KV8 B 1 216 UNP P39304 SGAH_ECOLI 1 216 SEQRES 1 A 216 MET SER LEU PRO MET LEU GLN VAL ALA LEU ASP ASN GLN SEQRES 2 A 216 THR MET ASP SER ALA TYR GLU THR THR ARG LEU ILE ALA SEQRES 3 A 216 GLU GLU VAL ASP ILE ILE GLU VAL GLY THR ILE LEU CYS SEQRES 4 A 216 VAL GLY GLU GLY VAL ARG ALA VAL ARG ASP LEU LYS ALA SEQRES 5 A 216 LEU TYR PRO HIS LYS ILE VAL LEU ALA ASP ALA LYS ILE SEQRES 6 A 216 ALA ASP ALA GLY LYS ILE LEU SER ARG MET CYS PHE GLU SEQRES 7 A 216 ALA ASN ALA ASP TRP VAL THR VAL ILE CYS CYS ALA ASP SEQRES 8 A 216 ILE ASN THR ALA LYS GLY ALA LEU ASP VAL ALA LYS GLU SEQRES 9 A 216 PHE ASN GLY ASP VAL GLN ILE GLU LEU THR GLY TYR TRP SEQRES 10 A 216 THR TRP GLU GLN ALA GLN GLN TRP ARG ASP ALA GLY ILE SEQRES 11 A 216 GLY GLN VAL VAL TYR HIS ARG SER ARG ASP ALA GLN ALA SEQRES 12 A 216 ALA GLY VAL ALA TRP GLY GLU ALA ASP ILE THR ALA ILE SEQRES 13 A 216 LYS ARG LEU SER ASP MET GLY PHE LYS VAL THR VAL THR SEQRES 14 A 216 GLY GLY LEU ALA LEU GLU ASP LEU PRO LEU PHE LYS GLY SEQRES 15 A 216 ILE PRO ILE HIS VAL PHE ILE ALA GLY ARG SER ILE ARG SEQRES 16 A 216 ASP ALA ALA SER PRO VAL GLU ALA ALA ARG GLN PHE LYS SEQRES 17 A 216 ARG SER ILE ALA GLU LEU TRP GLY SEQRES 1 B 216 MET SER LEU PRO MET LEU GLN VAL ALA LEU ASP ASN GLN SEQRES 2 B 216 THR MET ASP SER ALA TYR GLU THR THR ARG LEU ILE ALA SEQRES 3 B 216 GLU GLU VAL ASP ILE ILE GLU VAL GLY THR ILE LEU CYS SEQRES 4 B 216 VAL GLY GLU GLY VAL ARG ALA VAL ARG ASP LEU LYS ALA SEQRES 5 B 216 LEU TYR PRO HIS LYS ILE VAL LEU ALA ASP ALA LYS ILE SEQRES 6 B 216 ALA ASP ALA GLY LYS ILE LEU SER ARG MET CYS PHE GLU SEQRES 7 B 216 ALA ASN ALA ASP TRP VAL THR VAL ILE CYS CYS ALA ASP SEQRES 8 B 216 ILE ASN THR ALA LYS GLY ALA LEU ASP VAL ALA LYS GLU SEQRES 9 B 216 PHE ASN GLY ASP VAL GLN ILE GLU LEU THR GLY TYR TRP SEQRES 10 B 216 THR TRP GLU GLN ALA GLN GLN TRP ARG ASP ALA GLY ILE SEQRES 11 B 216 GLY GLN VAL VAL TYR HIS ARG SER ARG ASP ALA GLN ALA SEQRES 12 B 216 ALA GLY VAL ALA TRP GLY GLU ALA ASP ILE THR ALA ILE SEQRES 13 B 216 LYS ARG LEU SER ASP MET GLY PHE LYS VAL THR VAL THR SEQRES 14 B 216 GLY GLY LEU ALA LEU GLU ASP LEU PRO LEU PHE LYS GLY SEQRES 15 B 216 ILE PRO ILE HIS VAL PHE ILE ALA GLY ARG SER ILE ARG SEQRES 16 B 216 ASP ALA ALA SER PRO VAL GLU ALA ALA ARG GLN PHE LYS SEQRES 17 B 216 ARG SER ILE ALA GLU LEU TRP GLY HET PO4 A 502 5 HET MG A 503 1 HET PO4 B 501 5 HETNAM PO4 PHOSPHATE ION HETNAM MG MAGNESIUM ION FORMUL 3 PO4 2(O4 P 3-) FORMUL 4 MG MG 2+ FORMUL 6 HOH *405(H2 O) HELIX 1 1 THR A 14 ALA A 26 1 13 HELIX 2 2 GLU A 27 VAL A 29 5 3 HELIX 3 3 GLY A 35 GLY A 43 1 9 HELIX 4 4 VAL A 44 TYR A 54 1 11 HELIX 5 5 ALA A 68 ALA A 79 1 12 HELIX 6 6 ASP A 91 PHE A 105 1 15 HELIX 7 7 THR A 118 ALA A 128 1 11 HELIX 8 8 SER A 138 ALA A 144 1 7 HELIX 9 9 GLY A 149 MET A 162 1 14 HELIX 10 10 ALA A 173 LYS A 181 5 9 HELIX 11 11 GLY A 191 ASP A 196 1 6 HELIX 12 12 SER A 199 TRP A 215 1 17 HELIX 13 13 THR B 14 ALA B 26 1 13 HELIX 14 14 GLY B 35 GLY B 43 1 9 HELIX 15 15 VAL B 44 TYR B 54 1 11 HELIX 16 16 ALA B 68 ALA B 79 1 12 HELIX 17 17 ASP B 91 PHE B 105 1 15 HELIX 18 18 THR B 118 GLY B 129 1 12 HELIX 19 19 SER B 138 ALA B 144 1 7 HELIX 20 20 GLY B 149 MET B 162 1 14 HELIX 21 21 ALA B 173 LYS B 181 5 9 HELIX 22 22 GLY B 191 ASP B 196 1 6 HELIX 23 23 SER B 199 GLY B 216 1 18 SHEET 1 A 9 MET A 5 LEU A 10 0 SHEET 2 A 9 ILE A 31 VAL A 34 1 O GLU A 33 N VAL A 8 SHEET 3 A 9 ILE A 58 ILE A 65 1 O LEU A 60 N VAL A 34 SHEET 4 A 9 TRP A 83 ILE A 87 1 O TRP A 83 N ALA A 61 SHEET 5 A 9 ASP A 108 LEU A 113 1 O GLU A 112 N VAL A 86 SHEET 6 A 9 GLN A 132 HIS A 136 1 O VAL A 134 N ILE A 111 SHEET 7 A 9 LYS A 165 THR A 169 1 O THR A 167 N TYR A 135 SHEET 8 A 9 VAL A 187 ALA A 190 1 O VAL A 187 N VAL A 168 SHEET 9 A 9 MET A 5 LEU A 10 1 N GLN A 7 O ALA A 190 SHEET 1 B 9 MET B 5 LEU B 10 0 SHEET 2 B 9 ILE B 31 VAL B 34 1 O GLU B 33 N VAL B 8 SHEET 3 B 9 ILE B 58 ILE B 65 1 O LEU B 60 N VAL B 34 SHEET 4 B 9 TRP B 83 ILE B 87 1 O TRP B 83 N ALA B 61 SHEET 5 B 9 ASP B 108 LEU B 113 1 O GLU B 112 N VAL B 86 SHEET 6 B 9 GLN B 132 HIS B 136 1 O VAL B 134 N ILE B 111 SHEET 7 B 9 LYS B 165 THR B 169 1 O THR B 167 N TYR B 135 SHEET 8 B 9 VAL B 187 ALA B 190 1 O VAL B 187 N VAL B 168 SHEET 9 B 9 MET B 5 LEU B 10 1 N GLN B 7 O ALA B 190 LINK OE2 GLU A 33 MG MG A 503 1555 1555 2.44 LINK OD2 ASP A 62 MG MG A 503 1555 1555 2.42 LINK MG MG A 503 O HOH A 520 1555 1555 2.20 LINK MG MG A 503 O HOH A 535 1555 1555 2.76 LINK MG MG A 503 O HOH A 634 1555 1555 2.58 LINK MG MG A 503 O HOH A 645 1555 1555 2.31 SITE 1 AC1 8 GLY B 171 GLY B 191 ARG B 192 HOH B 503 SITE 2 AC1 8 HOH B 515 HOH B 517 HOH B 520 HOH B 571 SITE 1 AC2 8 GLY A 171 GLY A 191 ARG A 192 HOH A 505 SITE 2 AC2 8 HOH A 511 HOH A 519 HOH A 540 HOH A 552 SITE 1 AC3 6 GLU A 33 ASP A 62 HOH A 520 HOH A 535 SITE 2 AC3 6 HOH A 634 HOH A 645 CRYST1 123.470 41.631 90.633 90.00 97.20 90.00 C 1 2 1 8 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 0.008099 0.000000 0.001023 0.00000 SCALE2 0.000000 0.024021 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011121 0.00000