HEADER LYASE 11-AUG-11 3TDF TITLE CRYSTAL STRUCTURE OF THE COMPLEX OF DIHYDRODIPICOLINATE SYNTHASE FROM TITLE 2 ACINETOBACTER BAUMANNII WITH 2-KETOBUTANOIC ACID AT 1.99 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDRODIPICOLINATE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: UNP RESIDUES 7-297; COMPND 5 SYNONYM: DHDPS; COMPND 6 EC: 4.2.1.52; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ACINETOBACTER BAUMANNII; SOURCE 3 ORGANISM_TAXID: 575584; SOURCE 4 STRAIN: ATCC 19606; SOURCE 5 GENE: DHDPS, HMPREF0010_03414; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PRESTA KEYWDS DHDPS, LYSINE BIOSYNTHESIS, 2-KETOBUTANOIC ACID, TIM BARREL, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR M.KUMAR,S.KAUSHIK,M.SINHA,P.KAUR,R.TEWARI,S.SHARMA,T.P.SINGH REVDAT 3 15-NOV-23 3TDF 1 ATOM REVDAT 2 01-NOV-23 3TDF 1 REMARK LINK REVDAT 1 31-AUG-11 3TDF 0 JRNL AUTH M.KUMAR,S.KAUSHIK,M.SINHA,P.KAUR,R.TEWARI,S.SHARMA,T.P.SINGH JRNL TITL CRYSTAL STRUCTURE OF THE COMPLEX OF DIHYDRODIPICOLINATE JRNL TITL 2 SYNTHASE FROM ACINETOBACTER BAUMANNII WITH 2-KETOBUTANOIC JRNL TITL 3 ACID AT 1.99 A RESOLUTION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.99 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.6.0117 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.99 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 60.97 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 3 NUMBER OF REFLECTIONS : 36826 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) : 0.184 REMARK 3 R VALUE (WORKING SET) : 0.182 REMARK 3 FREE R VALUE : 0.220 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1943 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) : 1.99 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.04 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2308 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 81.98 REMARK 3 BIN R VALUE (WORKING SET) : 0.2480 REMARK 3 BIN FREE R VALUE SET COUNT : 107 REMARK 3 BIN FREE R VALUE : 0.2820 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4390 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 507 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.04 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.22000 REMARK 3 B22 (A**2) : -3.09000 REMARK 3 B33 (A**2) : 2.70000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.70000 REMARK 3 B23 (A**2) : 0.00000 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): 0.163 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 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.954 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.936 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 4468 ; 0.016 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 6080 ; 1.423 ; 1.980 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 580 ; 5.033 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 172 ;38.635 ;25.930 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 780 ;13.611 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 18 ;13.333 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 732 ; 0.093 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3284 ; 0.007 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL 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 USED IF PRESENT IN REMARK 3 THE INPUT REMARK 4 REMARK 4 3TDF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 17-AUG-11. REMARK 100 THE DEPOSITION ID IS D_1000067345. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-JUL-11 REMARK 200 TEMPERATURE (KELVIN) : 77 REMARK 200 PH : 6.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM14 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36826 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.990 REMARK 200 RESOLUTION RANGE LOW (A) : 60.970 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09000 REMARK 200 FOR THE DATA SET : 15.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.99 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.03 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.45000 REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 3RK8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M MGCL2, PEG 3350, PH 6.2, VAPOR REMARK 280 DIFFUSION, HANGING 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 60.97350 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 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: 3450 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21000 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -2.0 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 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 TYR A 107 -51.02 71.00 REMARK 500 VAL A 135 59.56 -140.47 REMARK 500 TYR B 107 -51.48 72.70 REMARK 500 VAL B 135 70.04 -152.91 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 2KT A 524 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 2KT B 524 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3RK8 RELATED DB: PDB REMARK 900 MODEL PDB DBREF 3TDF A 1 291 UNP D0CFC3 D0CFC3_ACIBA 7 297 DBREF 3TDF B 1 291 UNP D0CFC3 D0CFC3_ACIBA 7 297 SEQRES 1 A 291 THR ILE GLN GLY SER ILE VAL ALA ILE VAL THR PRO MET SEQRES 2 A 291 LEU LYS ASP GLY GLY VAL ASP TRP LYS SER LEU GLU LYS SEQRES 3 A 291 LEU VAL GLU TRP HIS ILE GLU GLN GLY THR ASN SER ILE SEQRES 4 A 291 VAL ALA VAL GLY THR THR GLY GLU ALA SER THR LEU SER SEQRES 5 A 291 MET GLU GLU HIS THR GLN VAL ILE LYS GLU ILE ILE ARG SEQRES 6 A 291 VAL ALA ASN LYS ARG ILE PRO ILE ILE ALA GLY THR GLY SEQRES 7 A 291 ALA ASN SER THR ARG GLU ALA ILE GLU LEU THR LYS ALA SEQRES 8 A 291 ALA LYS ASP LEU GLY ALA ASP ALA ALA LEU LEU VAL THR SEQRES 9 A 291 PRO TYR TYR ASN LYS PRO THR GLN GLU GLY LEU TYR GLN SEQRES 10 A 291 HIS TYR LYS ALA ILE ALA GLU ALA VAL GLU LEU PRO LEU SEQRES 11 A 291 ILE LEU TYR ASN VAL PRO GLY ARG THR GLY VAL ASP LEU SEQRES 12 A 291 SER ASN ASP THR ALA VAL ARG LEU ALA GLU ILE PRO ASN SEQRES 13 A 291 ILE VAL GLY ILE LYS ASP ALA THR GLY ASP VAL PRO ARG SEQRES 14 A 291 GLY LYS ALA LEU ILE ASP ALA LEU ASN GLY LYS MET ALA SEQRES 15 A 291 VAL TYR SER GLY ASP ASP GLU THR ALA TRP GLU LEU MET SEQRES 16 A 291 LEU LEU GLY ALA ASP GLY ASN ILE SER VAL THR ALA ASN SEQRES 17 A 291 ILE ALA PRO LYS ALA MET SER GLU VAL CYS ALA VAL ALA SEQRES 18 A 291 ILE ALA LYS ASP GLU GLN GLN ALA LYS THR LEU ASN ASN SEQRES 19 A 291 LYS ILE ALA ASN LEU HIS ASN ILE LEU PHE CYS GLU SER SEQRES 20 A 291 ASN PRO ILE PRO VAL LYS TRP ALA LEU HIS GLU MET GLY SEQRES 21 A 291 LEU ILE ASP THR GLY ILE ARG LEU PRO LEU THR PRO LEU SEQRES 22 A 291 ALA GLU GLN TYR ARG GLU PRO LEU ARG ASN ALA LEU LYS SEQRES 23 A 291 ASP ALA GLY ILE ILE SEQRES 1 B 291 THR ILE GLN GLY SER ILE VAL ALA ILE VAL THR PRO MET SEQRES 2 B 291 LEU LYS ASP GLY GLY VAL ASP TRP LYS SER LEU GLU LYS SEQRES 3 B 291 LEU VAL GLU TRP HIS ILE GLU GLN GLY THR ASN SER ILE SEQRES 4 B 291 VAL ALA VAL GLY THR THR GLY GLU ALA SER THR LEU SER SEQRES 5 B 291 MET GLU GLU HIS THR GLN VAL ILE LYS GLU ILE ILE ARG SEQRES 6 B 291 VAL ALA ASN LYS ARG ILE PRO ILE ILE ALA GLY THR GLY SEQRES 7 B 291 ALA ASN SER THR ARG GLU ALA ILE GLU LEU THR LYS ALA SEQRES 8 B 291 ALA LYS ASP LEU GLY ALA ASP ALA ALA LEU LEU VAL THR SEQRES 9 B 291 PRO TYR TYR ASN LYS PRO THR GLN GLU GLY LEU TYR GLN SEQRES 10 B 291 HIS TYR LYS ALA ILE ALA GLU ALA VAL GLU LEU PRO LEU SEQRES 11 B 291 ILE LEU TYR ASN VAL PRO GLY ARG THR GLY VAL ASP LEU SEQRES 12 B 291 SER ASN ASP THR ALA VAL ARG LEU ALA GLU ILE PRO ASN SEQRES 13 B 291 ILE VAL GLY ILE LYS ASP ALA THR GLY ASP VAL PRO ARG SEQRES 14 B 291 GLY LYS ALA LEU ILE ASP ALA LEU ASN GLY LYS MET ALA SEQRES 15 B 291 VAL TYR SER GLY ASP ASP GLU THR ALA TRP GLU LEU MET SEQRES 16 B 291 LEU LEU GLY ALA ASP GLY ASN ILE SER VAL THR ALA ASN SEQRES 17 B 291 ILE ALA PRO LYS ALA MET SER GLU VAL CYS ALA VAL ALA SEQRES 18 B 291 ILE ALA LYS ASP GLU GLN GLN ALA LYS THR LEU ASN ASN SEQRES 19 B 291 LYS ILE ALA ASN LEU HIS ASN ILE LEU PHE CYS GLU SER SEQRES 20 B 291 ASN PRO ILE PRO VAL LYS TRP ALA LEU HIS GLU MET GLY SEQRES 21 B 291 LEU ILE ASP THR GLY ILE ARG LEU PRO LEU THR PRO LEU SEQRES 22 B 291 ALA GLU GLN TYR ARG GLU PRO LEU ARG ASN ALA LEU LYS SEQRES 23 B 291 ASP ALA GLY ILE ILE HET 2KT A 524 6 HET 2KT B 524 6 HETNAM 2KT 2-KETOBUTYRIC ACID HETSYN 2KT 2-OXOBUTANOIC ACID FORMUL 3 2KT 2(C4 H6 O3) FORMUL 5 HOH *507(H2 O) HELIX 1 1 ASP A 20 GLY A 35 1 16 HELIX 2 2 GLU A 47 LEU A 51 5 5 HELIX 3 3 SER A 52 ASN A 68 1 17 HELIX 4 4 SER A 81 GLY A 96 1 16 HELIX 5 5 THR A 111 VAL A 126 1 16 HELIX 6 6 VAL A 135 GLY A 140 1 6 HELIX 7 7 SER A 144 ALA A 152 1 9 HELIX 8 8 ASP A 166 ASN A 178 1 13 HELIX 9 9 ASP A 187 LEU A 197 1 11 HELIX 10 10 VAL A 205 ILE A 209 5 5 HELIX 11 11 ALA A 210 ALA A 223 1 14 HELIX 12 12 ASP A 225 ILE A 236 1 12 HELIX 13 13 ILE A 236 LEU A 243 1 8 HELIX 14 14 PRO A 249 MET A 259 1 11 HELIX 15 15 ALA A 274 ALA A 288 1 15 HELIX 16 16 ASP B 20 GLY B 35 1 16 HELIX 17 17 GLU B 47 LEU B 51 5 5 HELIX 18 18 SER B 52 ASN B 68 1 17 HELIX 19 19 SER B 81 GLY B 96 1 16 HELIX 20 20 THR B 111 VAL B 126 1 16 HELIX 21 21 VAL B 135 GLY B 140 1 6 HELIX 22 22 SER B 144 ALA B 152 1 9 HELIX 23 23 ASP B 166 ASN B 178 1 13 HELIX 24 24 ASP B 187 LEU B 197 1 11 HELIX 25 25 VAL B 205 ILE B 209 5 5 HELIX 26 26 ALA B 210 ALA B 223 1 14 HELIX 27 27 ASP B 225 LYS B 235 1 11 HELIX 28 28 ASN B 238 LEU B 243 1 6 HELIX 29 29 PRO B 249 MET B 259 1 11 HELIX 30 30 ALA B 274 GLN B 276 5 3 HELIX 31 31 TYR B 277 ALA B 288 1 12 SHEET 1 A 9 GLY A 4 ALA A 8 0 SHEET 2 A 9 SER A 38 ALA A 41 1 O VAL A 40 N VAL A 7 SHEET 3 A 9 ILE A 73 GLY A 76 1 O GLY A 76 N ALA A 41 SHEET 4 A 9 ALA A 99 VAL A 103 1 O LEU A 101 N ALA A 75 SHEET 5 A 9 LEU A 130 ASN A 134 1 O ILE A 131 N LEU A 102 SHEET 6 A 9 ILE A 157 ASP A 162 1 O LYS A 161 N LEU A 132 SHEET 7 A 9 ALA A 182 SER A 185 1 O TYR A 184 N ILE A 160 SHEET 8 A 9 GLY A 201 SER A 204 1 O ILE A 203 N SER A 185 SHEET 9 A 9 GLY A 4 ALA A 8 1 N ILE A 6 O ASN A 202 SHEET 1 B 9 GLY B 4 ALA B 8 0 SHEET 2 B 9 SER B 38 ALA B 41 1 O VAL B 40 N VAL B 7 SHEET 3 B 9 ILE B 73 GLY B 76 1 O GLY B 76 N ALA B 41 SHEET 4 B 9 ALA B 99 VAL B 103 1 O LEU B 101 N ALA B 75 SHEET 5 B 9 LEU B 130 ASN B 134 1 O ILE B 131 N ALA B 100 SHEET 6 B 9 ILE B 157 ASP B 162 1 O LYS B 161 N LEU B 132 SHEET 7 B 9 ALA B 182 SER B 185 1 O TYR B 184 N ASP B 162 SHEET 8 B 9 GLY B 201 SER B 204 1 O ILE B 203 N SER B 185 SHEET 9 B 9 GLY B 4 ALA B 8 1 N ILE B 6 O ASN B 202 LINK NZ LYS A 161 C2 2KT A 524 1555 1555 1.42 LINK NZ LYS B 161 C2 2KT B 524 1555 1555 1.40 CISPEP 1 ASN A 248 PRO A 249 0 2.65 CISPEP 2 LEU A 268 PRO A 269 0 12.86 CISPEP 3 ASN B 248 PRO B 249 0 7.15 CISPEP 4 LEU B 268 PRO B 269 0 8.79 SITE 1 AC1 8 ALA A 8 THR A 44 THR A 45 LEU A 101 SITE 2 AC1 8 TYR A 133 LYS A 161 ILE A 203 VAL A 205 SITE 1 AC2 6 GLY B 43 THR B 44 THR B 45 TYR B 133 SITE 2 AC2 6 LYS B 161 ILE B 203 CRYST1 52.235 121.947 51.131 90.00 115.90 90.00 P 1 21 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 0.019144 0.000000 0.009296 0.00000 SCALE2 0.000000 0.008200 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021742 0.00000