HEADER SYNTHASE 09-FEB-95 1DHP TITLE DIHYDRODIPICOLINATE SYNTHASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDRODIPICOLINATE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: DHDPS; COMPND 5 EC: 4.2.1.52; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: DAPA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PDB12; SOURCE 8 EXPRESSION_SYSTEM_GENE: DAPA KEYWDS SYNTHASE, DIHYDRODIPICOLINATE EXPDTA X-RAY DIFFRACTION AUTHOR C.MIRWALDT,I.KORNDOERFER,R.HUBER REVDAT 4 07-FEB-24 1DHP 1 REMARK LINK REVDAT 3 13-JUL-11 1DHP 1 VERSN REVDAT 2 24-FEB-09 1DHP 1 VERSN REVDAT 1 12-FEB-97 1DHP 0 JRNL AUTH C.MIRWALDT,I.KORNDORFER,R.HUBER JRNL TITL THE CRYSTAL STRUCTURE OF DIHYDRODIPICOLINATE SYNTHASE FROM JRNL TITL 2 ESCHERICHIA COLI AT 2.5 A RESOLUTION. JRNL REF J.MOL.BIOL. V. 246 227 1995 JRNL REFN ISSN 0022-2836 JRNL PMID 7853400 JRNL DOI 10.1006/JMBI.1994.0078 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH B.LABER,F.X.GOMIS-RUTH,M.J.ROMAO,R.HUBER REMARK 1 TITL ESCHERICHIA COLI DIHYDRODIPICOLINATE SYNTHASE. REMARK 1 TITL 2 IDENTIFICATION OF THE ACTIVE SITE AND CRYSTALLIZATION REMARK 1 REF BIOCHEM.J. V. 288 691 1992 REMARK 1 REFN ISSN 0264-6021 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 40209 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.197 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 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 : 4380 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 344 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.73 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) : 0.25 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.662 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 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 1DHP 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_1000172788. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL 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 : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.03800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL 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 (%): 66.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.76 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.07333 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 74.14667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 74.14667 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 37.07333 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PQS 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 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 212.02034 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 185.36667 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3070 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20870 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.0 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 APPLY THE FOLLOWING TO CHAINS: B REMARK 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 212.02034 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 185.36667 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 -50.14 71.64 REMARK 500 HIS A 225 55.67 -97.02 REMARK 500 TYR B 107 -53.07 76.43 REMARK 500 ARG B 109 75.33 47.05 REMARK 500 PRO B 247 119.52 -37.70 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 K A 293 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 152 O REMARK 620 2 VAL A 154 O 84.2 REMARK 620 3 LYS A 155 O 152.2 71.0 REMARK 620 4 ILE A 157 O 99.1 81.5 89.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 293 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA B 152 O REMARK 620 2 VAL B 154 O 83.2 REMARK 620 3 LYS B 155 O 144.1 64.0 REMARK 620 4 ILE B 157 O 98.2 77.3 88.8 REMARK 620 5 HOH B 365 O 78.0 161.1 134.8 102.6 REMARK 620 6 HOH B 400 O 90.7 93.1 77.7 166.0 89.7 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: S1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: PYRUVATE BINDING RESIDUE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 293 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 293 DBREF 1DHP A 1 292 UNP P0A6L2 DAPA_ECOLI 1 292 DBREF 1DHP B 1 292 UNP P0A6L2 DAPA_ECOLI 1 292 SEQRES 1 A 292 MET PHE THR GLY SER ILE VAL ALA ILE VAL THR PRO MET SEQRES 2 A 292 ASP GLU LYS GLY ASN VAL CYS ARG ALA SER LEU LYS LYS SEQRES 3 A 292 LEU ILE ASP TYR HIS VAL ALA SER GLY THR SER ALA ILE SEQRES 4 A 292 VAL SER VAL GLY THR THR GLY GLU SER ALA THR LEU ASN SEQRES 5 A 292 HIS ASP GLU HIS ALA ASP VAL VAL MET MET THR LEU ASP SEQRES 6 A 292 LEU ALA ASP GLY ARG ILE PRO VAL ILE ALA GLY THR GLY SEQRES 7 A 292 ALA ASN ALA THR ALA GLU ALA ILE SER LEU THR GLN ARG SEQRES 8 A 292 PHE ASN ASP SER GLY ILE VAL GLY CYS LEU THR VAL THR SEQRES 9 A 292 PRO TYR TYR ASN ARG PRO SER GLN GLU GLY LEU TYR GLN SEQRES 10 A 292 HIS PHE LYS ALA ILE ALA GLU HIS THR ASP LEU PRO GLN SEQRES 11 A 292 ILE LEU TYR ASN VAL PRO SER ARG THR GLY CYS ASP LEU SEQRES 12 A 292 LEU PRO GLU THR VAL GLY ARG LEU ALA LYS VAL LYS ASN SEQRES 13 A 292 ILE ILE GLY ILE LYS GLU ALA THR GLY ASN LEU THR ARG SEQRES 14 A 292 VAL ASN GLN ILE LYS GLU LEU VAL SER ASP ASP PHE VAL SEQRES 15 A 292 LEU LEU SER GLY ASP ASP ALA SER ALA LEU ASP PHE MET SEQRES 16 A 292 GLN LEU GLY GLY HIS GLY VAL ILE SER VAL THR ALA ASN SEQRES 17 A 292 VAL ALA ALA ARG ASP MET ALA GLN MET CYS LYS LEU ALA SEQRES 18 A 292 ALA GLU GLY HIS PHE ALA GLU ALA ARG VAL ILE ASN GLN SEQRES 19 A 292 ARG LEU MET PRO LEU HIS ASN LYS LEU PHE VAL GLU PRO SEQRES 20 A 292 ASN PRO ILE PRO VAL LYS TRP ALA CYS LYS GLU LEU GLY SEQRES 21 A 292 LEU VAL ALA THR ASP THR LEU ARG LEU PRO MET THR PRO SEQRES 22 A 292 ILE THR ASP SER GLY ARG GLU THR VAL ARG ALA ALA LEU SEQRES 23 A 292 LYS HIS ALA GLY LEU LEU SEQRES 1 B 292 MET PHE THR GLY SER ILE VAL ALA ILE VAL THR PRO MET SEQRES 2 B 292 ASP GLU LYS GLY ASN VAL CYS ARG ALA SER LEU LYS LYS SEQRES 3 B 292 LEU ILE ASP TYR HIS VAL ALA SER GLY THR SER ALA ILE SEQRES 4 B 292 VAL SER VAL GLY THR THR GLY GLU SER ALA THR LEU ASN SEQRES 5 B 292 HIS ASP GLU HIS ALA ASP VAL VAL MET MET THR LEU ASP SEQRES 6 B 292 LEU ALA ASP GLY ARG ILE PRO VAL ILE ALA GLY THR GLY SEQRES 7 B 292 ALA ASN ALA THR ALA GLU ALA ILE SER LEU THR GLN ARG SEQRES 8 B 292 PHE ASN ASP SER GLY ILE VAL GLY CYS LEU THR VAL THR SEQRES 9 B 292 PRO TYR TYR ASN ARG PRO SER GLN GLU GLY LEU TYR GLN SEQRES 10 B 292 HIS PHE LYS ALA ILE ALA GLU HIS THR ASP LEU PRO GLN SEQRES 11 B 292 ILE LEU TYR ASN VAL PRO SER ARG THR GLY CYS ASP LEU SEQRES 12 B 292 LEU PRO GLU THR VAL GLY ARG LEU ALA LYS VAL LYS ASN SEQRES 13 B 292 ILE ILE GLY ILE LYS GLU ALA THR GLY ASN LEU THR ARG SEQRES 14 B 292 VAL ASN GLN ILE LYS GLU LEU VAL SER ASP ASP PHE VAL SEQRES 15 B 292 LEU LEU SER GLY ASP ASP ALA SER ALA LEU ASP PHE MET SEQRES 16 B 292 GLN LEU GLY GLY HIS GLY VAL ILE SER VAL THR ALA ASN SEQRES 17 B 292 VAL ALA ALA ARG ASP MET ALA GLN MET CYS LYS LEU ALA SEQRES 18 B 292 ALA GLU GLY HIS PHE ALA GLU ALA ARG VAL ILE ASN GLN SEQRES 19 B 292 ARG LEU MET PRO LEU HIS ASN LYS LEU PHE VAL GLU PRO SEQRES 20 B 292 ASN PRO ILE PRO VAL LYS TRP ALA CYS LYS GLU LEU GLY SEQRES 21 B 292 LEU VAL ALA THR ASP THR LEU ARG LEU PRO MET THR PRO SEQRES 22 B 292 ILE THR ASP SER GLY ARG GLU THR VAL ARG ALA ALA LEU SEQRES 23 B 292 LYS HIS ALA GLY LEU LEU HET K A 293 1 HET K B 293 1 HETNAM K POTASSIUM ION FORMUL 3 K 2(K 1+) FORMUL 5 HOH *344(H2 O) HELIX 1 1 ARG A 21 SER A 34 1 14 HELIX 2 2 THR A 44 GLY A 46 5 3 HELIX 3 3 HIS A 53 ALA A 67 1 15 HELIX 4 4 THR A 82 PHE A 92 1 11 HELIX 5 5 GLN A 112 HIS A 125 1 14 HELIX 6 6 PRO A 136 THR A 139 1 4 HELIX 7 7 PRO A 145 LYS A 153 1 9 HELIX 8 8 LEU A 167 LYS A 174 5 8 HELIX 9 9 ASP A 188 GLN A 196 5 9 HELIX 10 10 THR A 206 ASN A 208 5 3 HELIX 11 11 ALA A 211 ALA A 222 1 12 HELIX 12 12 PHE A 226 PHE A 244 1 19 HELIX 13 13 ILE A 250 LEU A 259 1 10 HELIX 14 14 ASP A 276 ALA A 289 1 14 HELIX 15 15 ARG B 21 SER B 34 1 14 HELIX 16 16 THR B 44 GLY B 46 5 3 HELIX 17 17 SER B 48 THR B 50 5 3 HELIX 18 18 HIS B 53 ALA B 67 1 15 HELIX 19 19 THR B 82 GLN B 90 1 9 HELIX 20 20 GLN B 112 HIS B 125 1 14 HELIX 21 21 PRO B 136 THR B 139 1 4 HELIX 22 22 PRO B 145 LYS B 153 1 9 HELIX 23 23 LEU B 167 LEU B 176 5 10 HELIX 24 24 ASP B 188 GLN B 196 5 9 HELIX 25 25 THR B 206 ASN B 208 5 3 HELIX 26 26 ALA B 211 ALA B 222 1 12 HELIX 27 27 PHE B 226 PHE B 244 1 19 HELIX 28 28 ILE B 250 GLU B 258 1 9 HELIX 29 29 ASP B 276 HIS B 288 1 13 SHEET 1 A 8 GLY A 201 SER A 204 0 SHEET 2 A 8 GLY A 4 ALA A 8 1 N GLY A 4 O VAL A 202 SHEET 3 A 8 ALA A 38 SER A 41 1 N ALA A 38 O VAL A 7 SHEET 4 A 8 PRO A 72 GLY A 76 1 N PRO A 72 O ILE A 39 SHEET 5 A 8 GLY A 99 VAL A 103 1 N GLY A 99 O ALA A 75 SHEET 6 A 8 PRO A 129 ASN A 134 1 N PRO A 129 O CYS A 100 SHEET 7 A 8 ILE A 157 GLU A 162 1 N ILE A 158 O GLN A 130 SHEET 8 A 8 VAL A 182 SER A 185 1 N VAL A 182 O ILE A 160 SHEET 1 B 8 GLY B 201 SER B 204 0 SHEET 2 B 8 GLY B 4 ALA B 8 1 N GLY B 4 O VAL B 202 SHEET 3 B 8 ALA B 38 SER B 41 1 N ALA B 38 O VAL B 7 SHEET 4 B 8 PRO B 72 GLY B 76 1 N PRO B 72 O ILE B 39 SHEET 5 B 8 GLY B 99 VAL B 103 1 N GLY B 99 O ALA B 75 SHEET 6 B 8 PRO B 129 ASN B 134 1 N PRO B 129 O CYS B 100 SHEET 7 B 8 ILE B 157 GLU B 162 1 N ILE B 158 O GLN B 130 SHEET 8 B 8 VAL B 182 SER B 185 1 N VAL B 182 O ILE B 160 LINK O ALA A 152 K K A 293 1555 1555 2.95 LINK O VAL A 154 K K A 293 1555 1555 2.60 LINK O LYS A 155 K K A 293 1555 1555 3.28 LINK O ILE A 157 K K A 293 1555 1555 2.66 LINK O ALA B 152 K K B 293 1555 1555 2.73 LINK O VAL B 154 K K B 293 1555 1555 2.91 LINK O LYS B 155 K K B 293 1555 1555 3.40 LINK O ILE B 157 K K B 293 1555 1555 2.64 LINK K K B 293 O HOH B 365 1555 1555 3.35 LINK K K B 293 O HOH B 400 1555 1555 2.73 CISPEP 1 ASN A 248 PRO A 249 0 0.03 CISPEP 2 LEU A 269 PRO A 270 0 0.82 CISPEP 3 ASN B 248 PRO B 249 0 -0.01 CISPEP 4 LEU B 269 PRO B 270 0 0.59 SITE 1 S1 1 LYS A 161 SITE 1 AC1 4 ALA A 152 VAL A 154 LYS A 155 ILE A 157 SITE 1 AC2 5 ALA B 152 VAL B 154 LYS B 155 ILE B 157 SITE 2 AC2 5 HOH B 400 CRYST1 122.410 122.410 111.220 90.00 90.00 120.00 P 31 2 1 12 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 0.008169 0.004717 0.000000 0.00000 SCALE2 0.000000 0.009433 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008991 0.00000 MTRIX1 1 -0.999991 -0.003331 0.002795 33.72360 1 MTRIX2 1 0.000571 -0.737877 -0.674935 246.81480 1 MTRIX3 1 0.004311 -0.674927 0.737872 95.70120 1