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 4 30-OCT-24 2FP1 1 REMARK LINK 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 MUTASE JRNL TITL 2 FROM MYCOBACTERIUM TUBERCULOSIS: NOVEL FOLD TOPOLOGY JRNL TITL 3 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 2 REMARK 2 RESOLUTION. 1.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 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) : 1.55 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 : 2582 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 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1128 ; 2.676 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 983 ; 4.312 ; 4.500 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 : 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 RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2FP1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-FEB-06. REMARK 100 THE DEPOSITION ID IS D_1000036137. 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 ACETATE, REMARK 280 0.1 M CACODYLATE BUFFER, PH 6.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 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 GLU A 41 OE1 REMARK 620 2 GLU A 41 OE2 50.2 REMARK 620 3 GLN B 38 OE1 78.7 95.6 REMARK 620 4 GLN B 38 O 161.3 141.8 84.9 REMARK 620 5 GLU B 41 OE1 118.7 125.7 137.6 68.7 REMARK 620 6 GLU B 41 OE2 75.8 79.1 150.6 117.1 50.1 REMARK 620 7 HIS B 151 NE2 126.0 77.6 124.7 71.2 78.3 82.7 REMARK 620 8 HOH B 540 O 83.9 133.8 76.4 83.5 68.4 86.5 143.8 REMARK 620 9 HOH B 564 O 95.1 73.0 47.1 80.1 146.1 149.4 79.4 122.0 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 48 OE1 51.7 REMARK 620 3 GLU B 51 OE1 103.8 75.9 REMARK 620 4 GLU B 51 OE2 70.9 80.5 46.9 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 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 OE1 GLU A 41 PB PB B 501 1454 1555 2.62 LINK OE2 GLU A 41 PB PB B 501 1454 1555 2.50 LINK OE1 GLN B 38 PB PB B 501 1555 1555 3.02 LINK O GLN B 38 PB PB B 501 1555 1555 2.79 LINK OE1 GLU B 41 PB PB B 501 1555 1555 2.66 LINK OE2 GLU B 41 PB PB B 501 1555 1555 2.52 LINK OE2 GLU B 48 PB PB B 502 1555 1555 2.58 LINK OE1 GLU B 48 PB PB B 502 1555 1555 2.54 LINK OE1 GLU B 51 PB PB B 502 1555 1555 2.78 LINK OE2 GLU B 51 PB PB B 502 1555 1555 2.75 LINK NE2 HIS B 151 PB PB B 501 1555 1555 2.47 LINK PB PB B 501 O HOH B 540 1555 1555 3.08 LINK PB PB B 501 O HOH B 564 1555 1555 2.82 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