HEADER OXIDOREDUCTASE 07-MAY-03 1P8F TITLE A FOUR LOCATION MODEL TO EXPLAIN THE STEREOSPECIFICITY OF PROTEINS. COMPND MOL_ID: 1; COMPND 2 MOLECULE: ISOCITRATE DEHYDROGENASE [NADP]; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: FULL LENGTH; COMPND 5 SYNONYM: OXALOSUCCINATE DECARBOXYLASE, IDH, NADP+-SPECIFIC ICDH, IDP; COMPND 6 EC: 1.1.1.42; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: ICD OR ICDA OR ICDE OR B1136; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ISOCITRATE DEHYDROGENASE, D-ISOCITRATE, ENANTIOMER, KEYWDS 2 STEREOSPECIFICITY, FOUR-LOCATION, RACEMIC, MAGNESIUM ION, KEYWDS 3 OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR A.D.MESECAR,D.E.KOSHLAND JR. REVDAT 5 14-FEB-24 1P8F 1 REMARK LINK REVDAT 4 31-JAN-18 1P8F 1 REMARK REVDAT 3 13-JUL-11 1P8F 1 VERSN REVDAT 2 24-FEB-09 1P8F 1 VERSN REVDAT 1 20-MAY-03 1P8F 0 JRNL AUTH A.D.MESECAR,D.E.KOSHLAND JR. JRNL TITL STRUCTURAL BIOLOGY: A NEW MODEL FOR PROTEIN JRNL TITL 2 STEREOSPECIFICITY. JRNL REF NATURE V. 403 614 2000 JRNL REFN ISSN 0028-0836 JRNL PMID 10688187 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 TITL SITES OF BINDING AND ORIENTATION IN A FOUR LOCATION MODEL REMARK 1 TITL 2 FOR PROTEIN STEREOSPECIFICITY. REMARK 1 REF IUBMB LIFE V. 49 457 2000 REMARK 1 REFN ISSN 1521-6543 REMARK 2 REMARK 2 RESOLUTION. 1.85 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) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.86 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 295038.840 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.5 REMARK 3 NUMBER OF REFLECTIONS : 66647 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) : 0.192 REMARK 3 FREE R VALUE : 0.225 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 6755 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.85 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.92 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 86.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5328 REMARK 3 BIN R VALUE (WORKING SET) : 0.2820 REMARK 3 BIN FREE R VALUE : 0.2710 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 589 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.011 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3213 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 37 REMARK 3 SOLVENT ATOMS : 240 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.85000 REMARK 3 B22 (A**2) : 1.85000 REMARK 3 B33 (A**2) : -3.70000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.22 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.24 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.21 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.014 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.020 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.680 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.560 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.040 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.620 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.41 REMARK 3 BSOL : 84.49 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : ALL.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : ALL.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1P8F COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-MAY-03. REMARK 100 THE DEPOSITION ID IS D_1000019137. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-FEB-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 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 : 69674 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : 14.00 REMARK 200 R MERGE (I) : 0.07300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.47300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 71.83 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.37 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: IDH, STORED IN METAL-FREE FINAL REMARK 280 BUFFER, WAS DILUTED TO 25, 30, 35 AND 40 MG/ML USING METAL-FREE REMARK 280 2X BUFFER; (70MM NA2HPO4 , 18 MM CITRIC ACID, 200 MM NACL, 0.4 REMARK 280 MM DTT, PH 5.4). AND WAS CRYSTALLIZED FROM HANGING DROPS USING 5 REMARK 280 L EACH OF THESE IDH SOLUTIONS AND 5 L EACH OF 34, 36, 38, 40, 42, REMARK 280 AND 44 % (NH4)2SO4 SOLUTIONS IN CRYSTALLIZATION BUFFER (35MM REMARK 280 NA2HPO4 , 9 MM CITRIC ACID, 100 MM NACL, 0.2 MM DTT AT PH 6.1, REMARK 280 PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 22K, REMARK 280 TEMPERATURE 295.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 75.00200 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 51.65300 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 51.65300 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 112.50300 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 51.65300 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 51.65300 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 37.50100 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 51.65300 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 51.65300 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 112.50300 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 51.65300 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 51.65300 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 37.50100 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 75.00200 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: E.COLI ISOCITRATE DEHYDROGENASE IS BIOLOGICALLY ACTIVE AS A REMARK 300 DIMER. THERE IS ONE MONOMER PER ASSYMETRIC UNIT. 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: 9910 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 30900 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -83.0 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 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 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 96 -34.27 68.17 REMARK 500 SER A 113 121.95 -37.35 REMARK 500 ASP A 148 84.04 -152.44 REMARK 500 GLU A 157 -146.58 -132.83 REMARK 500 ASP A 158 -175.12 73.89 REMARK 500 ASP A 168 -3.24 68.70 REMARK 500 LYS A 230 54.79 -119.92 REMARK 500 MET A 234 79.31 -107.07 REMARK 500 THR A 237 -72.10 -121.37 REMARK 500 ASP A 259 -125.60 53.56 REMARK 500 ARG A 292 56.49 -142.45 REMARK 500 ASP A 297 -91.13 -137.80 REMARK 500 ALA A 342 63.23 30.22 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 420 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 283 OD2 REMARK 620 2 ASP A 307 OD1 98.3 REMARK 620 3 ICT A 601 O7 91.3 99.4 REMARK 620 4 ICT A 601 O2 166.2 87.0 75.2 REMARK 620 5 HOH A 802 O 101.4 80.8 167.2 92.1 REMARK 620 6 HOH A 803 O 87.6 170.1 88.3 89.0 90.3 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 SO4 A 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 420 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ICT A 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 703 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 704 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 706 DBREF 1P8F A 1 416 UNP P08200 IDH_ECOLI 1 416 SEQRES 1 A 416 MET GLU SER LYS VAL VAL VAL PRO ALA GLN GLY LYS LYS SEQRES 2 A 416 ILE THR LEU GLN ASN GLY LYS LEU ASN VAL PRO GLU ASN SEQRES 3 A 416 PRO ILE ILE PRO TYR ILE GLU GLY ASP GLY ILE GLY VAL SEQRES 4 A 416 ASP VAL THR PRO ALA MET LEU LYS VAL VAL ASP ALA ALA SEQRES 5 A 416 VAL GLU LYS ALA TYR LYS GLY GLU ARG LYS ILE SER TRP SEQRES 6 A 416 MET GLU ILE TYR THR GLY GLU LYS SER THR GLN VAL TYR SEQRES 7 A 416 GLY GLN ASP VAL TRP LEU PRO ALA GLU THR LEU ASP LEU SEQRES 8 A 416 ILE ARG GLU TYR ARG VAL ALA ILE LYS GLY PRO LEU THR SEQRES 9 A 416 THR PRO VAL GLY GLY GLY ILE ARG SER LEU ASN VAL ALA SEQRES 10 A 416 LEU ARG GLN GLU LEU ASP LEU TYR ILE CYS LEU ARG PRO SEQRES 11 A 416 VAL ARG TYR TYR GLN GLY THR PRO SER PRO VAL LYS HIS SEQRES 12 A 416 PRO GLU LEU THR ASP MET VAL ILE PHE ARG GLU ASN SER SEQRES 13 A 416 GLU ASP ILE TYR ALA GLY ILE GLU TRP LYS ALA ASP SER SEQRES 14 A 416 ALA ASP ALA GLU LYS VAL ILE LYS PHE LEU ARG GLU GLU SEQRES 15 A 416 MET GLY VAL LYS LYS ILE ARG PHE PRO GLU HIS CYS GLY SEQRES 16 A 416 ILE GLY ILE LYS PRO CYS SER GLU GLU GLY THR LYS ARG SEQRES 17 A 416 LEU VAL ARG ALA ALA ILE GLU TYR ALA ILE ALA ASN ASP SEQRES 18 A 416 ARG ASP SER VAL THR LEU VAL HIS LYS GLY ASN ILE MET SEQRES 19 A 416 LYS PHE THR GLU GLY ALA PHE LYS ASP TRP GLY TYR GLN SEQRES 20 A 416 LEU ALA ARG GLU GLU PHE GLY GLY GLU LEU ILE ASP GLY SEQRES 21 A 416 GLY PRO TRP LEU LYS VAL LYS ASN PRO ASN THR GLY LYS SEQRES 22 A 416 GLU ILE VAL ILE LYS ASP VAL ILE ALA ASP ALA PHE LEU SEQRES 23 A 416 GLN GLN ILE LEU LEU ARG PRO ALA GLU TYR ASP VAL ILE SEQRES 24 A 416 ALA CYS MET ASN LEU ASN GLY ASP TYR ILE SER ASP ALA SEQRES 25 A 416 LEU ALA ALA GLN VAL GLY GLY ILE GLY ILE ALA PRO GLY SEQRES 26 A 416 ALA ASN ILE GLY ASP GLU CYS ALA LEU PHE GLU ALA THR SEQRES 27 A 416 HIS GLY THR ALA PRO LYS TYR ALA GLY GLN ASP LYS VAL SEQRES 28 A 416 ASN PRO GLY SER ILE ILE LEU SER ALA GLU MET MET LEU SEQRES 29 A 416 ARG HIS MET GLY TRP THR GLU ALA ALA ASP LEU ILE VAL SEQRES 30 A 416 LYS GLY MET GLU GLY ALA ILE ASN ALA LYS THR VAL THR SEQRES 31 A 416 TYR ASP PHE GLU ARG LEU MET ASP GLY ALA LYS LEU LEU SEQRES 32 A 416 LYS CYS SER GLU PHE GLY ASP ALA ILE ILE GLU ASN MET HET SO4 A 801 5 HET MG A 420 1 HET ICT A 601 13 HET GOL A 703 6 HET GOL A 704 6 HET GOL A 706 6 HETNAM SO4 SULFATE ION HETNAM MG MAGNESIUM ION HETNAM ICT ISOCITRIC ACID HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 SO4 O4 S 2- FORMUL 3 MG MG 2+ FORMUL 4 ICT C6 H8 O7 FORMUL 5 GOL 3(C3 H8 O3) FORMUL 8 HOH *240(H2 O) HELIX 1 1 ILE A 37 LYS A 58 1 22 HELIX 2 2 GLY A 71 GLY A 79 1 9 HELIX 3 3 PRO A 85 ARG A 96 1 12 HELIX 4 4 SER A 113 LEU A 122 1 10 HELIX 5 5 HIS A 143 LEU A 146 5 4 HELIX 6 6 GLU A 157 GLY A 162 5 6 HELIX 7 7 SER A 169 GLU A 182 1 14 HELIX 8 8 SER A 202 ASN A 220 1 19 HELIX 9 9 THR A 237 GLY A 254 1 18 HELIX 10 10 ALA A 282 ARG A 292 1 11 HELIX 11 11 PRO A 293 TYR A 296 5 4 HELIX 12 12 MET A 302 VAL A 317 1 16 HELIX 13 13 PRO A 353 MET A 367 1 15 HELIX 14 14 TRP A 369 ALA A 386 1 18 HELIX 15 15 THR A 390 ARG A 395 1 6 HELIX 16 16 LYS A 404 ASN A 415 1 12 SHEET 1 A 2 THR A 15 LEU A 16 0 SHEET 2 A 2 LEU A 21 ASN A 22 -1 O ASN A 22 N THR A 15 SHEET 1 B12 SER A 64 ILE A 68 0 SHEET 2 B12 ILE A 28 ILE A 32 1 N ILE A 29 O MET A 66 SHEET 3 B12 VAL A 97 LYS A 100 1 O ILE A 99 N ILE A 32 SHEET 4 B12 ALA A 333 ALA A 337 1 O PHE A 335 N ALA A 98 SHEET 5 B12 PRO A 324 ILE A 328 -1 N ASN A 327 O LEU A 334 SHEET 6 B12 ILE A 126 ARG A 132 -1 N LEU A 128 O ALA A 326 SHEET 7 B12 ASP A 148 GLU A 154 -1 O MET A 149 N VAL A 131 SHEET 8 B12 VAL A 298 CYS A 301 1 O ILE A 299 N PHE A 152 SHEET 9 B12 SER A 224 HIS A 229 1 N THR A 226 O ALA A 300 SHEET 10 B12 GLU A 274 ILE A 281 1 O VAL A 276 N VAL A 225 SHEET 11 B12 LEU A 264 LYS A 267 -1 N VAL A 266 O ILE A 275 SHEET 12 B12 GLU A 256 LEU A 257 -1 N GLU A 256 O LYS A 265 SHEET 1 C 2 GLU A 164 TRP A 165 0 SHEET 2 C 2 ILE A 196 GLY A 197 -1 O ILE A 196 N TRP A 165 SHEET 1 D 2 THR A 388 VAL A 389 0 SHEET 2 D 2 LYS A 401 LEU A 402 1 O LYS A 401 N VAL A 389 LINK OD2 ASP A 283 MG MG A 420 7555 1555 2.17 LINK OD1 ASP A 307 MG MG A 420 1555 1555 2.01 LINK MG MG A 420 O7 ICT A 601 1555 1555 2.11 LINK MG MG A 420 O2 ICT A 601 1555 1555 2.20 LINK MG MG A 420 O HOH A 802 1555 1555 2.13 LINK MG MG A 420 O HOH A 803 1555 7555 2.07 CISPEP 1 GLY A 261 PRO A 262 0 0.14 SITE 1 AC1 6 VAL A 107 GLY A 108 GLY A 109 GLY A 110 SITE 2 AC1 6 ILE A 111 LYS A 235 SITE 1 AC2 5 ASP A 283 ASP A 307 ICT A 601 HOH A 802 SITE 2 AC2 5 HOH A 803 SITE 1 AC3 12 SER A 113 ASN A 115 ARG A 119 ARG A 129 SITE 2 AC3 12 ARG A 153 TYR A 160 LYS A 230 ASP A 283 SITE 3 AC3 12 ASP A 307 MG A 420 HOH A 803 HOH A 976 SITE 1 AC4 5 ILE A 258 ASP A 259 GLY A 261 PRO A 262 SITE 2 AC4 5 TRP A 263 SITE 1 AC5 6 LEU A 16 GLY A 19 GLY A 329 ASP A 330 SITE 2 AC5 6 CYS A 332 HOH A 833 SITE 1 AC6 2 HIS A 366 HOH A 828 CRYST1 103.306 103.306 150.004 90.00 90.00 90.00 P 43 21 2 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 0.009680 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009680 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006666 0.00000