HEADER LYASE 05-APR-99 1QFE TITLE THE STRUCTURE OF TYPE I 3-DEHYDROQUINATE DEHYDRATASE FROM SALMONELLA TITLE 2 TYPHI COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (3-DEHYDROQUINATE DEHYDRATASE); COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: 3-DEHYDROQUINASE; COMPND 5 EC: 4.2.1.10; COMPND 6 OTHER_DETAILS: THE PRODUCT 3-DEHYDROSHIKIMATE IS COVALENTLY ATTACHED COMPND 7 TO THE ACTIVE SITE LYS 170 BY BOROHYDRIDE REDUCTION OF THE IMINE COMPND 8 (SCHIFF BASE). SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SALMONELLA TYPHI; SOURCE 3 ORGANISM_TAXID: 601 KEYWDS DEHYDRATASE, CONVERSION OF 3-DEHYDROQUINATE TO DEHYDROSHIKIMATE, 3RD KEYWDS 2 ENZYME IN THE SHIKIMATE PATHWAY, TIM BARREL, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR A.K.SHRIVE,I.POLIKARPOV,L.SAWYER,J.R.COGGINS,A.R.HAWKINS REVDAT 7 13-NOV-24 1QFE 1 REMARK REVDAT 6 27-DEC-23 1QFE 1 REMARK LINK REVDAT 5 13-JUL-11 1QFE 1 VERSN REVDAT 4 24-FEB-09 1QFE 1 VERSN REVDAT 3 01-APR-03 1QFE 1 JRNL REVDAT 2 07-MAY-00 1QFE 1 COMPND REVDAT 1 05-APR-00 1QFE 0 JRNL AUTH D.G.GOURLEY,A.K.SHRIVE,I.POLIKARPOV,T.KRELL,J.R.COGGINS, JRNL AUTH 2 A.R.HAWKINS,N.W.ISAACS,L.SAWYER JRNL TITL THE TWO TYPES OF 3-DEHYDROQUINASE HAVE DISTINCT STRUCTURES JRNL TITL 2 BUT CATALYZE THE SAME OVERALL REACTION. JRNL REF NAT.STRUCT.BIOL. V. 6 521 1999 JRNL REFN ISSN 1072-8368 JRNL PMID 10360352 JRNL DOI 10.1038/9287 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.W.G.BOYS,S.M.BURY,L.SAWYER,J.D.MOORE,I.G.CHARLES, REMARK 1 AUTH 2 A.R.HAWKINS,R.DEKA,C.KLEANTHOUS,J.R.COGGINS REMARK 1 TITL CRYSTALLISATION OF THE TYPE I 3-DEHYDROQUINASE FROM REMARK 1 TITL 2 SALMONELLA TYPHI REMARK 1 REF J.MOL.BIOL. V. 227 352 1992 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 12.00 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) (%) : 86.1 REMARK 3 NUMBER OF REFLECTIONS : 23517 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) : 0.199 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 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 : 3868 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 137 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.20 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.600 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 : RESTRAINTS 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 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1QFE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-APR-99. REMARK 100 THE DEPOSITION ID IS D_1000000817. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : ENRAF-NONIUS FR571 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23517 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 17.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 86.1 REMARK 200 DATA REDUNDANCY : 2.800 REMARK 200 R MERGE (I) : 0.10400 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : 74.7 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: MLPHARE, VECREF REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 4000, PH BETWEEN 5 AND 6.5, REMARK 280 100MM CITRATE-PHOSPHATE BUFFER, PH 6.0 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 22.69500 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 3020 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18980 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 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 LYS A 7 -122.84 57.09 REMARK 500 ALA A 206 178.84 71.06 REMARK 500 VAL A 228 -61.04 -91.90 REMARK 500 LYS B 7 -125.70 56.50 REMARK 500 ASP B 54 37.01 -99.05 REMARK 500 ALA B 206 178.66 70.75 REMARK 500 VAL B 228 -60.93 -92.88 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 HETEROGEN DHS: THE PRODUCT IS COVALENTLY LINKED TO LYS170 REMARK 600 THROUGH FORMATION OF A SCHIFF BASE (IMINE) INTERMEDIATE THAT REMARK 600 IS THEN REDUCED WITH BOROHYDRIDE. THE EMPIRICAL FORMULA REMARK 600 GIVEN CONTAINS THE CARBOXYLATE PROTON BUT NOT THE 3-KETO REMARK 600 OXYGEN (WHICH IS REPLACED BY THE NZ OF LYS170 IN FORMING REMARK 600 THE SCHIFF BASE. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ASR REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: LYS 170 FORMS THE IMINE INTERMEDIATE WITH THE REMARK 800 AID OF HIS 143 ARG 213 INTERACTS WITH THE CARBOXYL GROUP OF THE REMARK 800 3-DEHYDROQUINATE SUBSTRATE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DHS A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DHS B 301 DBREF 1QFE A 1 252 UNP P24670 AROD_SALTI 1 252 DBREF 1QFE B 1 252 UNP P24670 AROD_SALTI 1 252 SEQRES 1 A 252 MET LYS THR VAL THR VAL LYS ASN LEU ILE ILE GLY GLU SEQRES 2 A 252 GLY MET PRO LYS ILE ILE VAL SER LEU MET GLY ARG ASP SEQRES 3 A 252 ILE ASN SER VAL LYS ALA GLU ALA LEU ALA TYR ARG GLU SEQRES 4 A 252 ALA THR PHE ASP ILE LEU GLU TRP ARG VAL ASP HIS PHE SEQRES 5 A 252 MET ASP ILE ALA SER THR GLN SER VAL LEU THR ALA ALA SEQRES 6 A 252 ARG VAL ILE ARG ASP ALA MET PRO ASP ILE PRO LEU LEU SEQRES 7 A 252 PHE THR PHE ARG SER ALA LYS GLU GLY GLY GLU GLN THR SEQRES 8 A 252 ILE THR THR GLN HIS TYR LEU THR LEU ASN ARG ALA ALA SEQRES 9 A 252 ILE ASP SER GLY LEU VAL ASP MET ILE ASP LEU GLU LEU SEQRES 10 A 252 PHE THR GLY ASP ALA ASP VAL LYS ALA THR VAL ASP TYR SEQRES 11 A 252 ALA HIS ALA HIS ASN VAL TYR VAL VAL MET SER ASN HIS SEQRES 12 A 252 ASP PHE HIS GLN THR PRO SER ALA GLU GLU MET VAL SER SEQRES 13 A 252 ARG LEU ARG LYS MET GLN ALA LEU GLY ALA ASP ILE PRO SEQRES 14 A 252 LYS ILE ALA VAL MET PRO GLN SER LYS HIS ASP VAL LEU SEQRES 15 A 252 THR LEU LEU THR ALA THR LEU GLU MET GLN GLN HIS TYR SEQRES 16 A 252 ALA ASP ARG PRO VAL ILE THR MET SER MET ALA LYS GLU SEQRES 17 A 252 GLY VAL ILE SER ARG LEU ALA GLY GLU VAL PHE GLY SER SEQRES 18 A 252 ALA ALA THR PHE GLY ALA VAL LYS GLN ALA SER ALA PRO SEQRES 19 A 252 GLY GLN ILE ALA VAL ASN ASP LEU ARG SER VAL LEU MET SEQRES 20 A 252 ILE LEU HIS ASN ALA SEQRES 1 B 252 MET LYS THR VAL THR VAL LYS ASN LEU ILE ILE GLY GLU SEQRES 2 B 252 GLY MET PRO LYS ILE ILE VAL SER LEU MET GLY ARG ASP SEQRES 3 B 252 ILE ASN SER VAL LYS ALA GLU ALA LEU ALA TYR ARG GLU SEQRES 4 B 252 ALA THR PHE ASP ILE LEU GLU TRP ARG VAL ASP HIS PHE SEQRES 5 B 252 MET ASP ILE ALA SER THR GLN SER VAL LEU THR ALA ALA SEQRES 6 B 252 ARG VAL ILE ARG ASP ALA MET PRO ASP ILE PRO LEU LEU SEQRES 7 B 252 PHE THR PHE ARG SER ALA LYS GLU GLY GLY GLU GLN THR SEQRES 8 B 252 ILE THR THR GLN HIS TYR LEU THR LEU ASN ARG ALA ALA SEQRES 9 B 252 ILE ASP SER GLY LEU VAL ASP MET ILE ASP LEU GLU LEU SEQRES 10 B 252 PHE THR GLY ASP ALA ASP VAL LYS ALA THR VAL ASP TYR SEQRES 11 B 252 ALA HIS ALA HIS ASN VAL TYR VAL VAL MET SER ASN HIS SEQRES 12 B 252 ASP PHE HIS GLN THR PRO SER ALA GLU GLU MET VAL SER SEQRES 13 B 252 ARG LEU ARG LYS MET GLN ALA LEU GLY ALA ASP ILE PRO SEQRES 14 B 252 LYS ILE ALA VAL MET PRO GLN SER LYS HIS ASP VAL LEU SEQRES 15 B 252 THR LEU LEU THR ALA THR LEU GLU MET GLN GLN HIS TYR SEQRES 16 B 252 ALA ASP ARG PRO VAL ILE THR MET SER MET ALA LYS GLU SEQRES 17 B 252 GLY VAL ILE SER ARG LEU ALA GLY GLU VAL PHE GLY SER SEQRES 18 B 252 ALA ALA THR PHE GLY ALA VAL LYS GLN ALA SER ALA PRO SEQRES 19 B 252 GLY GLN ILE ALA VAL ASN ASP LEU ARG SER VAL LEU MET SEQRES 20 B 252 ILE LEU HIS ASN ALA HET DHS A 301 11 HET DHS B 301 11 HETNAM DHS 3-AMINO-4,5-DIHYDROXY-CYCLOHEX-1-ENECARBOXYLATE FORMUL 3 DHS 2(C7 H10 N O4 1-) FORMUL 5 HOH *137(H2 O) HELIX 1 1 ILE A 27 GLU A 39 1 13 HELIX 2 2 VAL A 49 HIS A 51 5 3 HELIX 3 3 THR A 58 ALA A 71 1 14 HELIX 4 4 ALA A 84 GLU A 86 5 3 HELIX 5 5 THR A 94 SER A 107 1 14 HELIX 6 6 LEU A 117 THR A 119 5 3 HELIX 7 7 ASP A 121 HIS A 134 1 14 HELIX 8 8 ALA A 151 ALA A 163 1 13 HELIX 9 9 LYS A 178 HIS A 194 1 17 HELIX 10 10 VAL A 210 LEU A 214 1 5 HELIX 11 11 GLY A 216 PHE A 219 1 4 HELIX 12 12 VAL A 239 HIS A 250 1 12 HELIX 13 13 ILE B 27 GLU B 39 1 13 HELIX 14 14 VAL B 49 HIS B 51 5 3 HELIX 15 15 THR B 58 ALA B 71 1 14 HELIX 16 16 ALA B 84 GLU B 86 5 3 HELIX 17 17 THR B 94 SER B 107 1 14 HELIX 18 18 LEU B 117 THR B 119 5 3 HELIX 19 19 ASP B 121 HIS B 134 1 14 HELIX 20 20 ALA B 151 ALA B 163 1 13 HELIX 21 21 LYS B 178 HIS B 194 1 17 HELIX 22 22 VAL B 210 LEU B 214 1 5 HELIX 23 23 GLY B 216 PHE B 219 1 4 HELIX 24 24 VAL B 239 HIS B 250 1 12 SHEET 1 A 2 VAL A 4 VAL A 6 0 SHEET 2 A 2 LEU A 9 ILE A 11 -1 N ILE A 11 O VAL A 4 SHEET 1 B 4 ALA A 223 GLY A 226 0 SHEET 2 B 4 LYS A 17 LEU A 22 1 N LYS A 17 O THR A 224 SHEET 3 B 4 ILE A 44 ARG A 48 1 N ILE A 44 O VAL A 20 SHEET 4 B 4 PRO A 76 THR A 80 1 N PRO A 76 O LEU A 45 SHEET 1 C 4 MET A 112 GLU A 116 0 SHEET 2 C 4 TYR A 137 ASP A 144 1 N TYR A 137 O ILE A 113 SHEET 3 C 4 ILE A 168 MET A 174 1 N ILE A 168 O MET A 140 SHEET 4 C 4 VAL A 200 MET A 205 1 N ILE A 201 O PRO A 169 SHEET 1 D 2 VAL B 4 VAL B 6 0 SHEET 2 D 2 LEU B 9 ILE B 11 -1 N ILE B 11 O VAL B 4 SHEET 1 E 4 ALA B 223 GLY B 226 0 SHEET 2 E 4 LYS B 17 LEU B 22 1 N LYS B 17 O THR B 224 SHEET 3 E 4 ILE B 44 ARG B 48 1 N ILE B 44 O VAL B 20 SHEET 4 E 4 PRO B 76 THR B 80 1 N PRO B 76 O LEU B 45 SHEET 1 F 4 MET B 112 GLU B 116 0 SHEET 2 F 4 TYR B 137 ASP B 144 1 N TYR B 137 O ILE B 113 SHEET 3 F 4 ILE B 168 MET B 174 1 N ILE B 168 O MET B 140 SHEET 4 F 4 VAL B 200 MET B 205 1 N ILE B 201 O PRO B 169 LINK NZ LYS A 170 C3 DHS A 301 1555 1555 1.46 LINK NZ LYS B 170 C3 DHS B 301 1555 1555 1.46 SITE 1 ASR 3 LYS A 170 HIS A 143 ARG A 213 SITE 1 AC1 14 SER A 21 GLU A 46 ARG A 48 ARG A 82 SITE 2 AC1 14 HIS A 143 LYS A 170 MET A 203 ARG A 213 SITE 3 AC1 14 PHE A 225 SER A 232 ALA A 233 GLN A 236 SITE 4 AC1 14 HOH A 409 HOH A 461 SITE 1 AC2 14 SER B 21 GLU B 46 ARG B 48 ARG B 82 SITE 2 AC2 14 HIS B 143 LYS B 170 MET B 203 ARG B 213 SITE 3 AC2 14 PHE B 225 SER B 232 ALA B 233 GLN B 236 SITE 4 AC2 14 HOH B 410 HOH B 452 CRYST1 60.490 45.390 85.470 90.00 95.48 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 0.016532 0.000000 0.001586 0.00000 SCALE2 0.000000 0.022031 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011754 0.00000 MTRIX1 1 -0.165790 -0.981980 0.090690 35.57699 1 MTRIX2 1 -0.983450 0.157820 -0.088940 35.23283 1 MTRIX3 1 0.073020 -0.103940 -0.991900 61.51080 1