HEADER ISOMERASE 15-JAN-06 2FP1 TITLE SECRETED CHORISMATE MUTASE FROM MYCOBACTERIUM TUBERCULOSIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHORISMATE MUTASE; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: RESIDUES 34-199; COMPND 5 EC: 5.4.99.5; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS; SOURCE 3 ORGANISM_TAXID: 1773; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: KA29; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PKTU3-HT KEYWDS ALPHA-HELICAL, ISOMERASE EXPDTA X-RAY DIFFRACTION AUTHOR M.OKVIST,R.DEY,S.SASSO,E.GRAHN,P.KAST,U.KRENGEL REVDAT 3 24-FEB-09 2FP1 1 VERSN REVDAT 2 04-APR-06 2FP1 1 JRNL REVDAT 1 28-MAR-06 2FP1 0 JRNL AUTH M.OKVIST,R.DEY,S.SASSO,E.GRAHN,P.KAST,U.KRENGEL JRNL TITL 1.6A CRYSTAL STRUCTURE OF THE SECRETED CHORISMATE JRNL TITL 2 MUTASE FROM MYCOBACTERIUM TUBERCULOSIS: NOVEL FOLD JRNL TITL 3 TOPOLOGY REVEALED JRNL REF J.MOL.BIOL. V. 357 1483 2006 JRNL REFN ISSN 0022-2836 JRNL PMID 16499927 JRNL DOI 10.1016/J.JMB.2006.01.069 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.01 REMARK 3 DATA CUTOFF (SIGMA(F)) : -3.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 50407 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) : 0.176 REMARK 3 R VALUE (WORKING SET) : 0.174 REMARK 3 FREE R VALUE : 0.211 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2659 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) : 1.55 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.59 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3663 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.79 REMARK 3 BIN R VALUE (WORKING SET) : 0.2310 REMARK 3 BIN FREE R VALUE SET COUNT : 212 REMARK 3 BIN FREE R VALUE : 0.2830 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2702 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 427 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.62 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.63000 REMARK 3 B22 (A**2) : 0.11000 REMARK 3 B33 (A**2) : -0.75000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.02000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.079 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.083 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.051 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.391 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.959 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.944 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2774 ; 0.014 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 1916 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3804 ; 1.367 ; 1.959 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4653 ; 0.944 ; 3.002 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 354 ; 4.105 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 140 ;34.090 ;23.429 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 461 ;13.613 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 32 ;22.051 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 422 ; 0.084 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3165 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 567 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 717 ; 0.237 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 2088 ; 0.194 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1433 ; 0.182 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 1437 ; 0.087 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 285 ; 0.149 ; 0.200 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): 16 ; 0.286 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 60 ; 0.321 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 22 ; 0.153 ; 0.200 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): 1736 ; 0.882 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 660 ; 0.258 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2814 ; 1.614 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1128 ; 2.676 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 983 ; 4.312 ; 4.500 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 : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 2FP1 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-FEB-06. REMARK 100 THE RCSB ID CODE IS RCSB036137. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-DEC-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-4 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9393, 0.9506, 0.9393 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL MONOCHROMATOR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 53094 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.550 REMARK 200 RESOLUTION RANGE LOW (A) : 31.010 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 4.100 REMARK 200 R MERGE (I) : 0.08500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.63 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 4.10 REMARK 200 R MERGE FOR SHELL (I) : 0.40000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: MLPHARE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.91 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.51 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 5-15% PEG 4000, 0.2 M SODIUM REMARK 280 ACETATE, 0.1 M CACODYLATE BUFFER, PH 6.5, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 293K 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 36.33650 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 300 REMARK: PROPOSED TO BE THE DIMER IN THE ASYMMETRIC 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 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 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 ASP A 34 REMARK 465 ASP B 34 REMARK 465 GLY B 35 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 THR B 36 OG1 CG2 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 69 94.26 -160.94 REMARK 500 ASP A 129 -179.78 -70.00 REMARK 500 ASP B 69 72.62 -153.81 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 PB B 501 PB REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN B 38 OE1 REMARK 620 2 HIS B 151 NE2 124.7 REMARK 620 3 HOH B 564 O 47.1 79.4 REMARK 620 4 GLN B 38 O 84.9 71.2 80.1 REMARK 620 5 GLU B 41 OE1 137.6 78.3 146.1 68.7 REMARK 620 6 GLU B 41 OE2 150.6 82.7 149.4 117.1 50.1 REMARK 620 7 HOH B 540 O 76.4 143.8 122.0 83.5 68.4 86.5 REMARK 620 8 GLU A 41 OE1 78.7 126.0 95.1 161.3 118.7 75.8 83.9 REMARK 620 9 GLU A 41 OE2 95.6 77.6 73.0 141.8 125.7 79.1 133.8 50.2 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 PB B 502 PB REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 48 OE2 REMARK 620 2 GLU B 51 OE1 103.8 REMARK 620 3 GLU B 51 OE2 70.9 46.9 REMARK 620 4 GLU B 48 OE1 51.7 75.9 80.5 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PB B 501 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PB B 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2FP2 RELATED DB: PDB DBREF 2FP1 A 34 199 UNP O07746 O07746_MYCTU 34 199 DBREF 2FP1 B 34 199 UNP O07746 O07746_MYCTU 34 199 SEQRES 1 A 166 ASP GLY THR SER GLN LEU ALA GLU LEU VAL ASP ALA ALA SEQRES 2 A 166 ALA GLU ARG LEU GLU VAL ALA ASP PRO VAL ALA ALA PHE SEQRES 3 A 166 LYS TRP ARG ALA GLN LEU PRO ILE GLU ASP SER GLY ARG SEQRES 4 A 166 VAL GLU GLN GLN LEU ALA LYS LEU GLY GLU ASP ALA ARG SEQRES 5 A 166 SER GLN HIS ILE ASP PRO ASP TYR VAL THR ARG VAL PHE SEQRES 6 A 166 ASP ASP GLN ILE ARG ALA THR GLU ALA ILE GLU TYR SER SEQRES 7 A 166 ARG PHE SER ASP TRP LYS LEU ASN PRO ALA SER ALA PRO SEQRES 8 A 166 PRO GLU PRO PRO ASP LEU SER ALA SER ARG SER ALA ILE SEQRES 9 A 166 ASP SER LEU ASN ASN ARG MET LEU SER GLN ILE TRP SER SEQRES 10 A 166 HIS TRP SER LEU LEU SER ALA PRO SER CYS ALA ALA GLN SEQRES 11 A 166 LEU ASP ARG ALA LYS ARG ASP ILE VAL ARG SER ARG HIS SEQRES 12 A 166 LEU ASP SER LEU TYR GLN ARG ALA LEU THR THR ALA THR SEQRES 13 A 166 GLN SER TYR CYS GLN ALA LEU PRO PRO ALA SEQRES 1 B 166 ASP GLY THR SER GLN LEU ALA GLU LEU VAL ASP ALA ALA SEQRES 2 B 166 ALA GLU ARG LEU GLU VAL ALA ASP PRO VAL ALA ALA PHE SEQRES 3 B 166 LYS TRP ARG ALA GLN LEU PRO ILE GLU ASP SER GLY ARG SEQRES 4 B 166 VAL GLU GLN GLN LEU ALA LYS LEU GLY GLU ASP ALA ARG SEQRES 5 B 166 SER GLN HIS ILE ASP PRO ASP TYR VAL THR ARG VAL PHE SEQRES 6 B 166 ASP ASP GLN ILE ARG ALA THR GLU ALA ILE GLU TYR SER SEQRES 7 B 166 ARG PHE SER ASP TRP LYS LEU ASN PRO ALA SER ALA PRO SEQRES 8 B 166 PRO GLU PRO PRO ASP LEU SER ALA SER ARG SER ALA ILE SEQRES 9 B 166 ASP SER LEU ASN ASN ARG MET LEU SER GLN ILE TRP SER SEQRES 10 B 166 HIS TRP SER LEU LEU SER ALA PRO SER CYS ALA ALA GLN SEQRES 11 B 166 LEU ASP ARG ALA LYS ARG ASP ILE VAL ARG SER ARG HIS SEQRES 12 B 166 LEU ASP SER LEU TYR GLN ARG ALA LEU THR THR ALA THR SEQRES 13 B 166 GLN SER TYR CYS GLN ALA LEU PRO PRO ALA HET PB B 501 1 HET PB B 502 1 HETNAM PB LEAD (II) ION FORMUL 3 PB 2(PB 2+) FORMUL 5 HOH *427(H2 O) HELIX 1 1 LEU A 39 VAL A 52 1 14 HELIX 2 2 VAL A 52 GLN A 64 1 13 HELIX 3 3 ASP A 69 GLN A 87 1 19 HELIX 4 4 ASP A 90 ASN A 119 1 30 HELIX 5 5 PRO A 120 ALA A 123 5 4 HELIX 6 6 LEU A 130 HIS A 151 1 22 HELIX 7 7 HIS A 151 SER A 156 1 6 HELIX 8 8 SER A 159 ARG A 175 1 17 HELIX 9 9 ASP A 178 THR A 189 1 12 HELIX 10 10 LEU B 39 VAL B 52 1 14 HELIX 11 11 VAL B 52 GLN B 64 1 13 HELIX 12 12 ASP B 69 GLN B 87 1 19 HELIX 13 13 ASP B 90 ASN B 119 1 30 HELIX 14 14 PRO B 120 ALA B 123 5 4 HELIX 15 15 ASP B 129 HIS B 151 1 23 HELIX 16 16 HIS B 151 SER B 156 1 6 HELIX 17 17 SER B 159 ARG B 175 1 17 HELIX 18 18 ASP B 178 GLN B 190 1 13 HELIX 19 19 SER B 191 ALA B 195 5 5 SSBOND 1 CYS A 160 CYS A 193 1555 1555 2.10 SSBOND 2 CYS B 160 CYS B 193 1555 1555 2.06 LINK PB PB B 501 OE1 GLN B 38 1555 1555 3.02 LINK PB PB B 501 NE2 HIS B 151 1555 1555 2.47 LINK PB PB B 501 O HOH B 564 1555 1555 2.82 LINK PB PB B 501 O GLN B 38 1555 1555 2.79 LINK PB PB B 501 OE1 GLU B 41 1555 1555 2.66 LINK PB PB B 501 OE2 GLU B 41 1555 1555 2.52 LINK PB PB B 501 O HOH B 540 1555 1555 3.08 LINK PB PB B 502 OE2 GLU B 48 1555 1555 2.58 LINK PB PB B 502 OE1 GLU B 51 1555 1555 2.78 LINK PB PB B 502 OE2 GLU B 51 1555 1555 2.75 LINK PB PB B 502 OE1 GLU B 48 1555 1555 2.54 LINK PB PB B 501 OE1 GLU A 41 1555 1454 2.62 LINK PB PB B 501 OE2 GLU A 41 1555 1454 2.50 SITE 1 AC1 6 GLU A 41 GLN B 38 GLU B 41 HIS B 151 SITE 2 AC1 6 HOH B 540 HOH B 564 SITE 1 AC2 2 GLU B 48 GLU B 51 CRYST1 42.644 72.673 62.060 90.00 104.52 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 0.023450 0.000000 0.006074 0.00000 SCALE2 0.000000 0.013760 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016645 0.00000 MASTER 298 0 2 19 0 0 3 6 0 0 0 26 END