HEADER OXYGEN STORAGE/TRANSPORT 28-FEB-02 1L3O TITLE SOLUTION STRUCTURE DETERMINATION OF THE FULLY OXIDIZED DOUBLE MUTANT TITLE 2 K9-10A CYTOCHROME C7 FROM DESULFUROMONAS ACETOXIDANS, ENSEMBLE OF 35 TITLE 3 STRUCTURES COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C7; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CYTOCHROME C3, CYTOCHROME C551.5; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DESULFUROMONAS ACETOXIDANS; SOURCE 3 ORGANISM_TAXID: 891; SOURCE 4 EXPRESSION_SYSTEM: DESULFOVIBRIO DESULFURICANS; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 876; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: G201 KEYWDS AUTOMATIC ASSIGNMENT, CYTOCHROME C7, ELECTRON TRANSFER, MULTIHEME KEYWDS 2 CYTOCHROMES, NMR SOLUTION STRUCTURES, OXYGEN STORAGE-TRANSPORT KEYWDS 3 COMPLEX EXPDTA SOLUTION NMR NUMMDL 35 AUTHOR M.ASSFALG,I.BERTINI,P.TURANO,M.BRUSCHI,M.C.DURAND,M.T.GIUDICI- AUTHOR 2 ORTICONI,A.DOLLA REVDAT 4 30-OCT-24 1L3O 1 REMARK REVDAT 3 27-OCT-21 1L3O 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1L3O 1 VERSN REVDAT 1 13-MAR-02 1L3O 0 JRNL AUTH M.ASSFALG,I.BERTINI,P.TURANO,M.BRUSCHI,M.C.DURAND, JRNL AUTH 2 M.T.GIUDICI-ORTICONI,A.DOLLA JRNL TITL A QUICK SOLUTION STRUCTURE DETERMINATION OF THE FULLY JRNL TITL 2 OXIDIZED DOUBLE MUTANT K9-10A CYTOCHROME C7 FROM JRNL TITL 3 DESULFUROMONAS ACETOXIDANS AND MECHANISTIC IMPLICATIONS. JRNL REF J.BIOMOL.NMR V. 22 107 2002 JRNL REFN ISSN 0925-2738 JRNL PMID 11883773 JRNL DOI 10.1023/A:1014202405862 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PSEUDYANA 1.5, AMBER 5.0 REMARK 3 AUTHORS : GUENTERT, P., WUETHRICH, K. (PSEUDYANA), KOLMAN, REMARK 3 CASE (AMBER) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1L3O COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-MAR-02. REMARK 100 THE DEPOSITION ID IS D_1000015614. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 6.5 REMARK 210 IONIC STRENGTH : 100 MM PHOSPHATE BUFFER REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 2MM CYTOCHROME C7 REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : SIMULATED ANNEALING IN TORSION REMARK 210 ANGLE SPACE AND RESTRAINED REMARK 210 ENERGY MINIMIZATION REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 500 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 35 REMARK 210 CONFORMERS, SELECTION CRITERIA : THE SUBMITTED CONFORMER MODELS REMARK 210 ARE THE 35 STRUCTURES WITH THE REMARK 210 LOWEST TARGET FUNCTION VALUES REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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: 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 21 PHE A 15 CB - CG - CD2 ANGL. DEV. = -4.7 DEGREES 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 1 THR A 5 103.75 63.89 REMARK 500 1 THR A 14 78.92 55.04 REMARK 500 1 CYS A 26 -56.24 66.13 REMARK 500 1 GLU A 31 79.95 -66.51 REMARK 500 1 LYS A 41 24.20 -76.54 REMARK 500 1 LYS A 42 -54.39 -122.83 REMARK 500 1 ASP A 47 -52.31 -143.52 REMARK 500 1 CYS A 49 -58.74 70.20 REMARK 500 1 THR A 60 -35.45 -140.33 REMARK 500 2 ASP A 2 99.27 -18.97 REMARK 500 2 VAL A 3 85.40 47.96 REMARK 500 2 THR A 5 133.11 65.83 REMARK 500 2 ALA A 10 41.18 -94.64 REMARK 500 2 PHE A 15 90.37 -68.05 REMARK 500 2 LEU A 24 -89.33 -103.25 REMARK 500 2 ASP A 27 -63.25 -20.02 REMARK 500 2 ALA A 28 -31.75 -38.79 REMARK 500 2 THR A 33 76.44 50.81 REMARK 500 2 SER A 43 -59.98 -126.40 REMARK 500 2 ASP A 47 -50.46 -152.68 REMARK 500 3 ASP A 2 -154.17 -125.58 REMARK 500 3 VAL A 3 91.79 -61.59 REMARK 500 3 THR A 14 104.13 65.67 REMARK 500 3 LYS A 18 -70.08 -59.78 REMARK 500 3 LEU A 24 -65.70 -101.52 REMARK 500 3 ALA A 28 -33.64 -35.89 REMARK 500 3 THR A 33 79.02 8.23 REMARK 500 3 LYS A 36 175.62 173.28 REMARK 500 3 ASP A 47 -62.43 -148.02 REMARK 500 3 CYS A 49 -68.57 64.85 REMARK 500 3 HIS A 53 35.12 -63.98 REMARK 500 3 LYS A 61 152.87 -49.35 REMARK 500 3 CYS A 65 -66.79 -107.04 REMARK 500 4 ASP A 2 99.74 -36.53 REMARK 500 4 VAL A 3 115.69 62.33 REMARK 500 4 ASN A 8 -75.98 -71.12 REMARK 500 4 ALA A 9 -44.95 -173.89 REMARK 500 4 THR A 14 87.62 55.74 REMARK 500 4 LYS A 18 -70.57 -59.35 REMARK 500 4 CYS A 26 -54.69 65.18 REMARK 500 4 GLU A 31 81.62 -62.21 REMARK 500 4 LYS A 46 -61.96 -101.47 REMARK 500 4 ASP A 47 -59.65 -137.75 REMARK 500 4 CYS A 49 -61.32 70.74 REMARK 500 4 SER A 55 43.90 -77.87 REMARK 500 4 CYS A 65 -62.04 -108.74 REMARK 500 5 THR A 14 88.90 63.51 REMARK 500 5 LEU A 24 -94.79 -94.26 REMARK 500 5 ASP A 27 -66.22 -17.96 REMARK 500 5 ALA A 28 -29.55 -37.03 REMARK 500 REMARK 500 THIS ENTRY HAS 451 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 PHE A 15 ASP A 16 3 149.74 REMARK 500 ASP A 16 HIS A 17 3 147.39 REMARK 500 ALA A 1 ASP A 2 9 -148.34 REMARK 500 PHE A 15 ASP A 16 16 149.66 REMARK 500 ASP A 16 HIS A 17 16 147.82 REMARK 500 ALA A 1 ASP A 2 24 -146.35 REMARK 500 ALA A 1 ASP A 2 27 137.86 REMARK 500 ALA A 1 ASP A 2 29 142.32 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 TYR A 6 0.10 SIDE CHAIN REMARK 500 2 TYR A 6 0.11 SIDE CHAIN REMARK 500 2 PHE A 15 0.09 SIDE CHAIN REMARK 500 3 HIS A 30 0.08 SIDE CHAIN REMARK 500 4 PHE A 15 0.20 SIDE CHAIN REMARK 500 5 PHE A 15 0.10 SIDE CHAIN REMARK 500 6 TYR A 6 0.07 SIDE CHAIN REMARK 500 6 PHE A 15 0.09 SIDE CHAIN REMARK 500 7 PHE A 15 0.10 SIDE CHAIN REMARK 500 7 HIS A 17 0.09 SIDE CHAIN REMARK 500 8 PHE A 15 0.10 SIDE CHAIN REMARK 500 8 HIS A 17 0.09 SIDE CHAIN REMARK 500 9 PHE A 15 0.09 SIDE CHAIN REMARK 500 9 HIS A 17 0.12 SIDE CHAIN REMARK 500 10 PHE A 15 0.11 SIDE CHAIN REMARK 500 10 HIS A 17 0.17 SIDE CHAIN REMARK 500 11 TYR A 6 0.22 SIDE CHAIN REMARK 500 11 PHE A 15 0.10 SIDE CHAIN REMARK 500 11 HIS A 17 0.10 SIDE CHAIN REMARK 500 12 TYR A 6 0.10 SIDE CHAIN REMARK 500 13 PHE A 15 0.07 SIDE CHAIN REMARK 500 16 TYR A 6 0.15 SIDE CHAIN REMARK 500 16 PHE A 15 0.08 SIDE CHAIN REMARK 500 16 HIS A 17 0.14 SIDE CHAIN REMARK 500 17 TYR A 6 0.14 SIDE CHAIN REMARK 500 17 PHE A 15 0.10 SIDE CHAIN REMARK 500 18 TYR A 6 0.07 SIDE CHAIN REMARK 500 19 TYR A 6 0.07 SIDE CHAIN REMARK 500 19 PHE A 15 0.11 SIDE CHAIN REMARK 500 20 TYR A 6 0.10 SIDE CHAIN REMARK 500 20 PHE A 15 0.07 SIDE CHAIN REMARK 500 21 PHE A 15 0.12 SIDE CHAIN REMARK 500 21 HIS A 17 0.12 SIDE CHAIN REMARK 500 22 PHE A 15 0.14 SIDE CHAIN REMARK 500 22 HIS A 17 0.13 SIDE CHAIN REMARK 500 25 HIS A 30 0.10 SIDE CHAIN REMARK 500 26 TYR A 6 0.08 SIDE CHAIN REMARK 500 26 HIS A 17 0.09 SIDE CHAIN REMARK 500 28 TYR A 6 0.13 SIDE CHAIN REMARK 500 28 PHE A 15 0.10 SIDE CHAIN REMARK 500 29 PHE A 15 0.12 SIDE CHAIN REMARK 500 30 TYR A 6 0.15 SIDE CHAIN REMARK 500 30 PHE A 15 0.09 SIDE CHAIN REMARK 500 30 HIS A 30 0.09 SIDE CHAIN REMARK 500 31 PHE A 15 0.13 SIDE CHAIN REMARK 500 32 TYR A 6 0.08 SIDE CHAIN REMARK 500 32 PHE A 15 0.07 SIDE CHAIN REMARK 500 33 PHE A 15 0.10 SIDE CHAIN REMARK 500 35 TYR A 6 0.06 SIDE CHAIN REMARK 500 35 PHE A 15 0.15 SIDE CHAIN 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 HEC A 130 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 17 NE2 REMARK 620 2 HEC A 130 NA 91.3 REMARK 620 3 HEC A 130 NB 92.2 93.0 REMARK 620 4 HEC A 130 NC 88.8 178.0 89.0 REMARK 620 5 HEC A 130 ND 89.0 88.7 177.9 89.3 REMARK 620 6 HIS A 30 NE2 176.1 92.1 89.4 87.7 89.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC A 153 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 20 NE2 REMARK 620 2 HEC A 153 NA 90.3 REMARK 620 3 HEC A 153 NB 93.9 89.9 REMARK 620 4 HEC A 153 NC 90.7 178.9 89.5 REMARK 620 5 HEC A 153 ND 85.2 90.8 178.8 89.9 REMARK 620 6 HIS A 53 NE2 172.8 91.1 93.2 88.1 87.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC A 166 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 45 NE2 REMARK 620 2 HEC A 166 NA 93.3 REMARK 620 3 HEC A 166 NB 91.4 90.7 REMARK 620 4 HEC A 166 NC 87.3 179.3 89.7 REMARK 620 5 HEC A 166 ND 88.1 89.3 179.5 90.3 REMARK 620 6 HIS A 66 NE2 175.6 89.4 92.1 90.0 88.4 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC A 130 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC A 153 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC A 166 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1KWJ RELATED DB: PDB REMARK 900 CONTAINS THE ENERGY MINIMIZED AVERAGE NMR STRUCTURE FROM THE REMARK 900 PRESENT FAMILY OF STRUCTURES REMARK 900 RELATED ID: 1NEW RELATED DB: PDB REMARK 900 CONTAINS 18 NMR STRUCTURES OF THE FULLY OXIDIZED NATIVE CYTOCHROME REMARK 900 C7 REMARK 900 RELATED ID: 2NEW RELATED DB: PDB REMARK 900 CONTAINS 17 NMR STRUCTURES OF THE FULLY OXIDIZED NATIVE CYTOCHROME REMARK 900 C7 REMARK 900 RELATED ID: 1HH5 RELATED DB: PDB REMARK 900 CONTAINS THE X-RAY STRUCTURE OF THE NATIVE PROTEIN REMARK 900 RELATED ID: 1EHJ RELATED DB: PDB REMARK 900 CONTAINS 35 NMR STRUCTURES OF THE FULLY REDUCED NATIVE PROTEIN REMARK 900 RELATED ID: 5279 RELATED DB: BMRB REMARK 900 CONTAINS THE PROTON SHIFTS FOR THE PRESENT STRUCTURE DBREF 1L3O A 1 68 UNP P00137 CYC3_DESAC 1 68 SEQADV 1L3O ALA A 9 UNP P00137 LYS 9 ENGINEERED MUTATION SEQADV 1L3O ALA A 10 UNP P00137 LYS 10 ENGINEERED MUTATION SEQRES 1 A 68 ALA ASP VAL VAL THR TYR GLU ASN ALA ALA GLY ASN VAL SEQRES 2 A 68 THR PHE ASP HIS LYS ALA HIS ALA GLU LYS LEU GLY CYS SEQRES 3 A 68 ASP ALA CYS HIS GLU GLY THR PRO ALA LYS ILE ALA ILE SEQRES 4 A 68 ASP LYS LYS SER ALA HIS LYS ASP ALA CYS LYS THR CYS SEQRES 5 A 68 HIS LYS SER ASN ASN GLY PRO THR LYS CYS GLY GLY CYS SEQRES 6 A 68 HIS ILE LYS HET HEC A 130 75 HET HEC A 153 75 HET HEC A 166 75 HETNAM HEC HEME C FORMUL 2 HEC 3(C34 H34 FE N4 O4) HELIX 1 1 HIS A 20 GLY A 25 1 6 HELIX 2 2 CYS A 26 HIS A 30 5 5 HELIX 3 3 LYS A 42 ASP A 47 1 6 HELIX 4 4 CYS A 49 SER A 55 1 7 HELIX 5 5 LYS A 61 CYS A 65 5 5 LINK SG CYS A 26 CAB HEC A 130 1555 1555 1.81 LINK SG CYS A 29 CAC HEC A 130 1555 1555 1.82 LINK SG CYS A 49 CAB HEC A 153 1555 1555 1.82 LINK SG CYS A 52 CAC HEC A 153 1555 1555 1.81 LINK SG CYS A 62 CAB HEC A 166 1555 1555 1.81 LINK SG CYS A 65 CAC HEC A 166 1555 1555 1.82 LINK NE2 HIS A 17 FE HEC A 130 1555 1555 1.98 LINK NE2 HIS A 20 FE HEC A 153 1555 1555 2.00 LINK NE2 HIS A 30 FE HEC A 130 1555 1555 1.99 LINK NE2 HIS A 45 FE HEC A 166 1555 1555 1.97 LINK NE2 HIS A 53 FE HEC A 153 1555 1555 2.02 LINK NE2 HIS A 66 FE HEC A 166 1555 1555 1.99 SITE 1 AC1 12 TYR A 6 HIS A 17 ALA A 21 CYS A 26 SITE 2 AC1 12 CYS A 29 HIS A 30 PRO A 34 ALA A 35 SITE 3 AC1 12 LYS A 36 ILE A 37 ILE A 39 HEC A 153 SITE 1 AC2 10 VAL A 13 THR A 14 PHE A 15 HIS A 20 SITE 2 AC2 10 CYS A 29 CYS A 49 CYS A 52 HIS A 53 SITE 3 AC2 10 ASN A 56 HEC A 130 SITE 1 AC3 11 ASN A 8 ALA A 9 VAL A 13 ASP A 40 SITE 2 AC3 11 LYS A 41 ALA A 44 HIS A 45 THR A 60 SITE 3 AC3 11 CYS A 62 CYS A 65 HIS A 66 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1