HEADER OXIDOREDUCTASE 23-APR-02 1LK0 TITLE DISULFIDE INTERMEDIATE OF C89L ARSENATE REDUCTASE FROM PI258 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ARSENATE REDUCTASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: ARSENICAL PUMP MODIFIER; COMPND 5 EC: 1.97.1.5; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280; SOURCE 4 GENE: ARSC; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: JM109; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PTRC99 KEYWDS PTPASE I FOLD, P-LOOP, DISULFIDE CASCADE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR J.MESSENS,J.C.MARTINS,K.VAN BELLE,E.BROSENS,A.DESMYTER,M.DE GIETER, AUTHOR 2 J.M.WIERUSZESKI,R.WILLEM,L.WYNS,I.ZEGERS REVDAT 5 16-AUG-23 1LK0 1 REMARK REVDAT 4 27-OCT-21 1LK0 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1LK0 1 VERSN REVDAT 2 30-SEP-03 1LK0 1 DBREF REVDAT 1 07-AUG-02 1LK0 0 JRNL AUTH J.MESSENS,J.C.MARTINS,K.VAN BELLE,E.BROSENS,A.DESMYTER, JRNL AUTH 2 M.DE GIETER,J.M.WIERUSZESKI,R.WILLEM,L.WYNS,I.ZEGERS JRNL TITL ALL INTERMEDIATES OF THE ARSENATE REDUCTASE MECHANISM, JRNL TITL 2 INCLUDING AN INTRAMOLECULAR DYNAMIC DISULFIDE CASCADE. JRNL REF PROC.NATL.ACAD.SCI.USA V. 99 8506 2002 JRNL REFN ISSN 0027-8424 JRNL PMID 12072565 JRNL DOI 10.1073/PNAS.132142799 REMARK 2 REMARK 2 RESOLUTION. 1.60 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 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 : 31225 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) : 0.203 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1549 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 : 2066 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 428 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : NULL 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 1LK0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-MAY-02. REMARK 100 THE DEPOSITION ID IS D_1000016013. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-OCT-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : BW7A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD 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 : 31235 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.3 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.03300 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.66 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.06500 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: AMORE REMARK 200 STARTING MODEL: C10SC15A ARSC (PDB ENTRY 1JF8) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.05 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000, TRIS, KCL, PH 8, VAPOR REMARK 280 DIFFUSION, 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 17.74000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 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: MONOMERIC 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 MET A 1 REMARK 465 MET B 1 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 O HOH B 378 O HOH B 687 2.13 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 CYS A 15 -82.99 -131.21 REMARK 500 CYS B 15 -85.53 -124.01 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 263 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 13 OD1 REMARK 620 2 GLU A 21 OE2 121.6 REMARK 620 3 SER A 36 O 71.8 103.3 REMARK 620 4 SER A 36 OG 78.7 49.4 66.8 REMARK 620 5 THR A 63 O 70.8 112.6 137.8 122.9 REMARK 620 6 ASP A 65 OD2 97.9 140.5 87.0 153.4 79.4 REMARK 620 7 HOH A 268 O 140.4 73.3 69.0 90.4 141.8 75.2 REMARK 620 8 HOH A 282 O 142.9 65.2 145.2 114.2 73.3 84.5 76.3 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 264 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN B 13 OD1 REMARK 620 2 GLU B 21 OE2 122.1 REMARK 620 3 SER B 36 O 68.3 102.8 REMARK 620 4 SER B 36 OG 74.6 52.0 66.1 REMARK 620 5 THR B 63 O 73.2 116.7 135.3 123.9 REMARK 620 6 ASP B 65 OD2 102.1 134.9 84.2 149.3 82.3 REMARK 620 7 HOH B 275 O 140.6 68.7 72.3 91.5 140.1 71.5 REMARK 620 8 HOH B 281 O 142.2 69.0 148.7 119.7 70.1 82.1 76.7 REMARK 620 N 1 2 3 4 5 6 7 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 263 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 264 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B 265 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 266 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1LJL RELATED DB: PDB REMARK 900 WILD TYPE PI258 S. AUREUS ARSENATE REDUCTASE REMARK 900 RELATED ID: 1LJU RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF C15A ARSENATE REDUCTASE FROM PI258 COMPLEXED REMARK 900 WITH ARSENITE DBREF 1LK0 A 1 131 UNP P0A006 ARSC_STAAU 1 131 DBREF 1LK0 B 1 131 UNP P0A006 ARSC_STAAU 1 131 SEQADV 1LK0 LEU A 89 UNP P0A006 CYS 89 ENGINEERED MUTATION SEQADV 1LK0 LEU B 89 UNP P0A006 CYS 89 ENGINEERED MUTATION SEQRES 1 A 131 MET ASP LYS LYS THR ILE TYR PHE ILE CYS THR GLY ASN SEQRES 2 A 131 SER CYS ARG SER GLN MET ALA GLU GLY TRP GLY LYS GLU SEQRES 3 A 131 ILE LEU GLY GLU GLY TRP ASN VAL TYR SER ALA GLY ILE SEQRES 4 A 131 GLU THR HIS GLY VAL ASN PRO LYS ALA ILE GLU ALA MET SEQRES 5 A 131 LYS GLU VAL ASP ILE ASP ILE SER ASN HIS THR SER ASP SEQRES 6 A 131 LEU ILE ASP ASN ASP ILE LEU LYS GLN SER ASP LEU VAL SEQRES 7 A 131 VAL THR LEU CYS SER ASP ALA ASP ASN ASN LEU PRO ILE SEQRES 8 A 131 LEU PRO PRO ASN VAL LYS LYS GLU HIS TRP GLY PHE ASP SEQRES 9 A 131 ASP PRO ALA GLY LYS GLU TRP SER GLU PHE GLN ARG VAL SEQRES 10 A 131 ARG ASP GLU ILE LYS LEU ALA ILE GLU LYS PHE LYS LEU SEQRES 11 A 131 ARG SEQRES 1 B 131 MET ASP LYS LYS THR ILE TYR PHE ILE CYS THR GLY ASN SEQRES 2 B 131 SER CYS ARG SER GLN MET ALA GLU GLY TRP GLY LYS GLU SEQRES 3 B 131 ILE LEU GLY GLU GLY TRP ASN VAL TYR SER ALA GLY ILE SEQRES 4 B 131 GLU THR HIS GLY VAL ASN PRO LYS ALA ILE GLU ALA MET SEQRES 5 B 131 LYS GLU VAL ASP ILE ASP ILE SER ASN HIS THR SER ASP SEQRES 6 B 131 LEU ILE ASP ASN ASP ILE LEU LYS GLN SER ASP LEU VAL SEQRES 7 B 131 VAL THR LEU CYS SER ASP ALA ASP ASN ASN LEU PRO ILE SEQRES 8 B 131 LEU PRO PRO ASN VAL LYS LYS GLU HIS TRP GLY PHE ASP SEQRES 9 B 131 ASP PRO ALA GLY LYS GLU TRP SER GLU PHE GLN ARG VAL SEQRES 10 B 131 ARG ASP GLU ILE LYS LEU ALA ILE GLU LYS PHE LYS LEU SEQRES 11 B 131 ARG HET K A 263 1 HET CL A 266 1 HET K B 264 1 HET CL B 265 1 HETNAM K POTASSIUM ION HETNAM CL CHLORIDE ION FORMUL 3 K 2(K 1+) FORMUL 4 CL 2(CL 1-) FORMUL 7 HOH *428(H2 O) HELIX 1 1 CYS A 15 GLY A 29 1 15 HELIX 2 2 ASN A 45 GLU A 54 1 10 HELIX 3 3 ASP A 68 GLN A 74 1 7 HELIX 4 4 ALA A 85 LEU A 89 5 5 HELIX 5 5 GLU A 110 LEU A 130 1 21 HELIX 6 6 CYS B 15 LEU B 28 1 14 HELIX 7 7 ASN B 45 GLU B 54 1 10 HELIX 8 8 ASP B 68 LYS B 73 1 6 HELIX 9 9 SER B 83 LEU B 89 5 7 HELIX 10 10 GLU B 110 LYS B 129 1 20 SHEET 1 A 4 TRP A 32 ALA A 37 0 SHEET 2 A 4 LYS A 4 ILE A 9 1 N LYS A 4 O ASN A 33 SHEET 3 A 4 LEU A 77 THR A 80 1 O VAL A 79 N ILE A 9 SHEET 4 A 4 LYS A 97 HIS A 100 1 O LYS A 97 N VAL A 78 SHEET 1 B 4 TRP B 32 ALA B 37 0 SHEET 2 B 4 LYS B 4 ILE B 9 1 N LYS B 4 O ASN B 33 SHEET 3 B 4 LEU B 77 THR B 80 1 O VAL B 79 N ILE B 9 SHEET 4 B 4 LYS B 97 HIS B 100 1 O GLU B 99 N THR B 80 SSBOND 1 CYS A 10 CYS A 82 1555 1555 2.02 SSBOND 2 CYS B 10 CYS B 82 1555 1555 2.03 LINK OD1 ASN A 13 K K A 263 1555 1555 2.97 LINK OE2 GLU A 21 K K A 263 1555 1555 2.98 LINK O SER A 36 K K A 263 1555 1555 2.84 LINK OG SER A 36 K K A 263 1555 1555 2.95 LINK O THR A 63 K K A 263 1555 1555 2.76 LINK OD2 ASP A 65 K K A 263 1555 1555 2.81 LINK K K A 263 O HOH A 268 1555 1555 2.89 LINK K K A 263 O HOH A 282 1555 1555 3.00 LINK OD1 ASN B 13 K K B 264 1555 1555 3.00 LINK OE2 GLU B 21 K K B 264 1555 1555 2.73 LINK O SER B 36 K K B 264 1555 1555 2.67 LINK OG SER B 36 K K B 264 1555 1555 2.97 LINK O THR B 63 K K B 264 1555 1555 2.86 LINK OD2 ASP B 65 K K B 264 1555 1555 2.89 LINK K K B 264 O HOH B 275 1555 1555 2.94 LINK K K B 264 O HOH B 281 1555 1555 3.11 SITE 1 AC1 7 ASN A 13 GLU A 21 SER A 36 THR A 63 SITE 2 AC1 7 ASP A 65 HOH A 268 HOH A 282 SITE 1 AC2 6 ASN B 13 GLU B 21 SER B 36 THR B 63 SITE 2 AC2 6 ASP B 65 HOH B 275 SITE 1 AC3 5 CYS B 10 SER B 14 CYS B 15 ARG B 16 SITE 2 AC3 5 SER B 17 SITE 1 AC4 5 CYS A 10 SER A 14 CYS A 15 ARG A 16 SITE 2 AC4 5 SER A 17 CRYST1 61.710 35.480 62.980 90.00 118.01 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 0.016205 0.000000 0.008620 0.00000 SCALE2 0.000000 0.028185 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017985 0.00000