HEADER CARBOXYPEPTIDASE 31-OCT-01 1KA4 TITLE STRUCTURE OF PYROCOCCUS FURIOSUS CARBOXYPEPTIDASE NAT-PB COMPND MOL_ID: 1; COMPND 2 MOLECULE: M32 CARBOXYPEPTIDASE; COMPND 3 CHAIN: A SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PYROCOCCUS FURIOSUS; SOURCE 3 ORGANISM_TAXID: 2261 KEYWDS HEXXH MOTIF, M32 FAMILY, METALLOPEPTIDASE, CARBOXYPEPTIDASE EXPDTA X-RAY DIFFRACTION AUTHOR J.W.ARNDT,B.HAO,V.RAMAKRISHNAN,T.CHENG,S.I.CHAN,M.K.CHAN REVDAT 3 07-FEB-24 1KA4 1 REMARK LINK REVDAT 2 24-FEB-09 1KA4 1 VERSN REVDAT 1 06-NOV-02 1KA4 0 JRNL AUTH J.W.ARNDT,B.HAO,V.RAMAKRISHNAN,T.CHENG,S.I.CHAN,M.K.CHAN JRNL TITL CRYSTAL STRUCTURE OF A NOVEL CARBOXYPEPTIDASE FROM THE JRNL TITL 2 HYPERTHERMOPHILIC ARCHAEON PYROCOCCUS FURIOSUS JRNL REF STRUCTURE V. 10 215 2002 JRNL REFN ISSN 0969-2126 JRNL PMID 11839307 JRNL DOI 10.1016/S0969-2126(02)00698-6 REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.75 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 434319.680 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.4 REMARK 3 NUMBER OF REFLECTIONS : 14993 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) : 0.236 REMARK 3 FREE R VALUE : 0.276 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1499 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.19 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 87.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1551 REMARK 3 BIN R VALUE (WORKING SET) : 0.3540 REMARK 3 BIN FREE R VALUE : 0.3910 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 178 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.029 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4163 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 83 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 58.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 13.59000 REMARK 3 B22 (A**2) : -3.29000 REMARK 3 B33 (A**2) : -10.30000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -8.15000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.46 REMARK 3 ESD FROM SIGMAA (A) : 0.51 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.52 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.55 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.870 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.190 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.060 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.650 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.660 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 30.53 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1KA4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-NOV-01. REMARK 100 THE DEPOSITION ID IS D_1000014750. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : KOHZU DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14993 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.05100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 22.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.19 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.4 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.35 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.53 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, TRIS, MAGNESIUM CHLORIDE, PH REMARK 280 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 66.15000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.79100 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 66.15000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 33.79100 REMARK 290 SMTRY3 4 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 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 BIOMT1 2 -1.000000 0.000000 0.000000 -18.26745 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 200.72548 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 MET A 1 REMARK 465 GLU A 2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OG SER A 375 O HOH A 682 2.09 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OD1 ASN A 78 O HOH A 670 2559 1.72 REMARK 500 REMARK 500 REMARK: NULL 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 151 148.21 -171.13 REMARK 500 GLU A 153 -75.88 -80.84 REMARK 500 GLU A 165 120.73 -39.74 REMARK 500 LYS A 195 -94.79 -43.07 REMARK 500 PRO A 226 66.25 -69.53 REMARK 500 ASP A 259 66.27 61.24 REMARK 500 GLN A 279 41.35 -92.78 REMARK 500 ILE A 344 151.08 -45.41 REMARK 500 SER A 375 -71.77 -93.00 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 A 601 PB REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 269 NE2 REMARK 620 2 HIS A 273 NE2 104.2 REMARK 620 3 GLU A 299 OE2 98.7 91.9 REMARK 620 4 HOH A 602 O 117.8 116.3 123.5 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 A 601 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1K9X RELATED DB: PDB REMARK 900 STRUCTURE OF PYROCOCCUS FURIOSUS CARBOXYPEPTIDASE APO-YB REMARK 900 RELATED ID: 1KA2 RELATED DB: PDB REMARK 900 STRUCTURE OF PYROCOCCUS FURIOSUS CARBOXYPEPTIDASE APO-MG REMARK 999 REMARK 999 SEQUENCE REMARK 999 AN APPROPRIATE SEQUENCE DATABASE REMARK 999 REFERENCE WAS NOT AVAILABLE AT THE REMARK 999 TIME OF PROCESSING. DBREF 1KA4 A 1 499 UNP Q8U3L0 Q8U3L0_PYRFU 1 499 SEQRES 1 A 499 MET GLU GLU VAL PHE GLN ASN GLU THR ILE LYS GLN ILE SEQRES 2 A 499 LEU ALA LYS TYR ARG ARG ILE TRP ALA ILE GLY HIS ALA SEQRES 3 A 499 GLN SER VAL LEU GLY TRP ASP LEU GLU VAL ASN MET PRO SEQRES 4 A 499 LYS GLU GLY ILE LEU GLU ARG SER VAL ALA GLN GLY GLU SEQRES 5 A 499 LEU SER VAL LEU SER HIS GLU LEU LEU LEU HIS PRO GLU SEQRES 6 A 499 PHE VAL ASN LEU VAL GLU LYS ALA LYS GLY LEU GLU ASN SEQRES 7 A 499 LEU ASN GLU TYR GLU ARG GLY ILE VAL ARG VAL LEU ASP SEQRES 8 A 499 ARG SER ILE ARG ILE ALA ARG ALA PHE PRO PRO GLU PHE SEQRES 9 A 499 ILE ARG GLU VAL SER GLU THR THR SER LEU ALA THR LYS SEQRES 10 A 499 ALA TRP GLU GLU ALA LYS ALA LYS ASP ASP PHE SER LYS SEQRES 11 A 499 PHE GLU PRO TRP LEU ASP LYS ILE ILE SER LEU ALA LYS SEQRES 12 A 499 ARG ALA ALA GLU TYR LEU GLY TYR GLU GLU GLU PRO TYR SEQRES 13 A 499 ASP ALA LEU LEU ASP LEU TYR GLU GLU GLY LEU ARG THR SEQRES 14 A 499 ARG ASP VAL GLU LYS MET PHE GLU VAL LEU GLU LYS LYS SEQRES 15 A 499 LEU LYS PRO LEU LEU ASP LYS ILE LEU GLU GLU GLY LYS SEQRES 16 A 499 VAL PRO ARG GLU HIS PRO LEU GLU LYS GLU LYS TYR GLU SEQRES 17 A 499 ARG GLU TRP MET GLU ARG VAL ASN LEU TRP ILE LEU GLN SEQRES 18 A 499 LYS PHE GLY PHE PRO LEU GLY THR ARG ALA ARG LEU ASP SEQRES 19 A 499 VAL SER ALA HIS PRO PHE THR THR GLU PHE GLY ILE ARG SEQRES 20 A 499 ASP VAL ARG ILE THR THR ARG TYR GLU GLY TYR ASP PHE SEQRES 21 A 499 ARG ARG THR ILE LEU SER THR VAL HIS GLU PHE GLY HIS SEQRES 22 A 499 ALA LEU TYR GLU LEU GLN GLN ASP GLU ARG PHE MET PHE SEQRES 23 A 499 THR PRO ILE ALA GLY GLY VAL SER LEU GLY ILE HIS GLU SEQRES 24 A 499 SER GLN SER ARG PHE TRP GLU ASN ILE ILE GLY ARG SER SEQRES 25 A 499 LYS GLU PHE VAL GLU LEU ILE TYR PRO VAL LEU LYS GLU SEQRES 26 A 499 ASN LEU PRO PHE MET SER ASN TYR THR PRO GLU ASP VAL SEQRES 27 A 499 TYR LEU TYR PHE ASN ILE VAL ARG PRO ASP PHE ILE ARG SEQRES 28 A 499 THR GLU ALA ASP VAL VAL THR TYR ASN PHE HIS ILE LEU SEQRES 29 A 499 LEU ARG PHE LYS LEU GLU ARG LEU MET VAL SER GLU GLU SEQRES 30 A 499 ILE LYS ALA LYS ASP LEU PRO GLU MET TRP ASN ASP GLU SEQRES 31 A 499 MET GLU ARG LEU LEU GLY ILE ARG PRO ARG LYS TYR SER SEQRES 32 A 499 GLU GLY ILE LEU GLN ASP ILE HIS TRP ALA HIS GLY SER SEQRES 33 A 499 ILE GLY TYR PHE PRO THR TYR THR ILE GLY THR LEU LEU SEQRES 34 A 499 SER ALA GLN LEU TYR TYR HIS ILE LYS LYS ASP ILE PRO SEQRES 35 A 499 ASP PHE GLU GLU LYS VAL ALA LYS ALA GLU PHE ASP PRO SEQRES 36 A 499 ILE LYS ALA TRP LEU ARG GLU LYS ILE HIS ARG TRP GLY SEQRES 37 A 499 SER ILE TYR PRO PRO LYS GLU LEU LEU LYS LYS ALA ILE SEQRES 38 A 499 GLY GLU ASP MET ASP ALA GLU TYR PHE VAL ARG TRP VAL SEQRES 39 A 499 LYS GLU LYS TYR LEU HET PB A 601 1 HETNAM PB LEAD (II) ION FORMUL 2 PB PB 2+ FORMUL 3 HOH *83(H2 O) HELIX 1 1 ASN A 7 ASN A 37 1 31 HELIX 2 2 PRO A 39 GLU A 41 5 3 HELIX 3 3 GLY A 42 LEU A 62 1 21 HELIX 4 4 HIS A 63 GLY A 75 1 13 HELIX 5 5 ASN A 80 PHE A 100 1 21 HELIX 6 6 PRO A 101 LYS A 125 1 25 HELIX 7 7 ASP A 127 LYS A 130 5 4 HELIX 8 8 PHE A 131 GLY A 150 1 20 HELIX 9 9 GLU A 154 GLU A 164 1 11 HELIX 10 10 ARG A 168 GLU A 193 1 26 HELIX 11 11 HIS A 200 LYS A 204 5 5 HELIX 12 12 GLU A 208 GLY A 224 1 17 HELIX 13 13 PHE A 260 GLN A 279 1 20 HELIX 14 14 ASP A 281 MET A 285 5 5 HELIX 15 15 SER A 294 ASN A 307 1 14 HELIX 16 16 SER A 312 LEU A 327 1 16 HELIX 17 17 PRO A 328 TYR A 333 5 6 HELIX 18 18 THR A 334 ASN A 343 1 10 HELIX 19 19 ILE A 350 ALA A 354 5 5 HELIX 20 20 ASP A 355 GLU A 376 1 22 HELIX 21 21 LYS A 379 LYS A 381 5 3 HELIX 22 22 ASP A 382 GLY A 396 1 15 HELIX 23 23 LYS A 401 GLY A 405 5 5 HELIX 24 24 ILE A 410 GLY A 415 1 6 HELIX 25 25 PHE A 420 ILE A 441 1 22 HELIX 26 26 ASP A 443 LYS A 450 1 8 HELIX 27 27 PHE A 453 ILE A 464 1 12 HELIX 28 28 HIS A 465 GLY A 468 5 4 HELIX 29 29 PRO A 472 GLY A 482 1 11 HELIX 30 30 ALA A 487 LEU A 499 1 13 SHEET 1 A 3 ALA A 231 VAL A 235 0 SHEET 2 A 3 ASP A 248 THR A 253 1 O ILE A 251 N ARG A 232 SHEET 3 A 3 THR A 241 GLY A 245 -1 N THR A 242 O ARG A 250 LINK NE2 HIS A 269 PB PB A 601 1555 1555 2.28 LINK NE2 HIS A 273 PB PB A 601 1555 1555 1.97 LINK OE2 GLU A 299 PB PB A 601 1555 1555 1.88 LINK PB PB A 601 O HOH A 602 1555 1555 2.22 SITE 1 AC1 5 HIS A 269 HIS A 273 GLU A 299 SER A 302 SITE 2 AC1 5 HOH A 602 CRYST1 132.300 67.582 67.185 90.00 95.20 90.00 C 1 2 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 0.007559 0.000000 0.000687 0.00000 SCALE2 0.000000 0.014797 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014946 0.00000