HEADER ELECTRON TRANSPORT (CYTOCHROME) 21-APR-94 2CXB TITLE CRYSTALLIZATION AND X-RAY STRUCTURE DETERMINATION OF CYTOCHROME C2 TITLE 2 FROM RHODOBACTER SPHAEROIDES IN THREE CRYSTAL FORMS COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C2; COMPND 3 CHAIN: A, B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RHODOBACTER SPHAEROIDES; SOURCE 3 ORGANISM_TAXID: 1063 KEYWDS ELECTRON TRANSPORT (CYTOCHROME) EXPDTA X-RAY DIFFRACTION AUTHOR H.L.AXELROD,G.FEHER,J.P.ALLEN,A.J.CHIRINO,M.W.DAY,B.T.HSU,D.C.REES REVDAT 4 03-MAR-21 2CXB 1 COMPND REMARK HET HETNAM REVDAT 4 2 1 HETSYN FORMUL LINK ATOM REVDAT 3 29-NOV-17 2CXB 1 HELIX REVDAT 2 24-FEB-09 2CXB 1 VERSN REVDAT 1 15-OCT-95 2CXB 0 JRNL AUTH H.L.AXELROD,G.FEHER,J.P.ALLEN,A.J.CHIRINO,M.W.DAY,B.T.HSU, JRNL AUTH 2 D.C.REES JRNL TITL CRYSTALLIZATION AND X-RAY STRUCTURE DETERMINATION OF JRNL TITL 2 CYTOCHROME C2 FROM RHODOBACTER SPHAEROIDES IN THREE CRYSTAL JRNL TITL 3 FORMS. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 50 596 1994 JRNL REFN ISSN 0907-4449 JRNL PMID 15299423 JRNL DOI 10.1107/S0907444994001319 REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 83.4 REMARK 3 NUMBER OF REFLECTIONS : 13665 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.172 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1838 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 86 REMARK 3 SOLVENT ATOMS : 204 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.008 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 1.580 ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : NULL ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : 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 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2CXB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000177965. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14690 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 77.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 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 GLN A 1 REMARK 465 GLN B 1 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 LYS A 10 CD CE NZ REMARK 470 ASN A 33 CG OD1 ND2 REMARK 470 GLU A 89 CD OE1 OE2 REMARK 470 LYS A 105 CG CD CE NZ REMARK 470 LYS A 106 CG CD CE NZ REMARK 470 GLU B 6 CG CD OE1 OE2 REMARK 470 LYS B 10 CD CE NZ REMARK 470 LYS B 35 CE NZ REMARK 470 LYS B 55 CD CE NZ REMARK 470 GLU B 89 CD OE1 OE2 REMARK 470 LYS B 105 CG CD CE NZ REMARK 470 LYS B 106 CD CE NZ REMARK 470 PRO B 124 CB CG CD 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 ARG A 46 NE - CZ - NH1 ANGL. DEV. = 3.1 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 ARG A 32 -99.50 -112.08 REMARK 500 ASN A 33 35.56 -140.82 REMARK 500 ASP A 82 88.37 -169.00 REMARK 500 ARG B 32 -89.15 -118.59 REMARK 500 ASN B 33 29.23 -140.77 REMARK 500 ASP B 82 85.55 -167.33 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 189 DISTANCE = 6.31 ANGSTROMS REMARK 525 HOH A 207 DISTANCE = 8.29 ANGSTROMS REMARK 525 HOH A 223 DISTANCE = 8.25 ANGSTROMS REMARK 525 HOH A 233 DISTANCE = 8.48 ANGSTROMS REMARK 525 HOH B 176 DISTANCE = 6.74 ANGSTROMS REMARK 525 HOH B 213 DISTANCE = 6.66 ANGSTROMS 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 125 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 19 NE2 REMARK 620 2 HEC A 125 NA 88.6 REMARK 620 3 HEC A 125 NB 91.8 89.6 REMARK 620 4 HEC A 125 NC 88.3 176.5 88.9 REMARK 620 5 HEC A 125 ND 85.0 90.9 176.8 90.4 REMARK 620 6 MET A 100 SD 177.8 92.9 89.8 90.3 93.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC B 125 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 19 NE2 REMARK 620 2 HEC B 125 NA 88.7 REMARK 620 3 HEC B 125 NB 89.9 91.1 REMARK 620 4 HEC B 125 NC 89.0 177.4 87.8 REMARK 620 5 HEC B 125 ND 86.9 91.3 175.9 89.7 REMARK 620 6 MET B 100 SD 179.0 91.0 91.0 91.4 92.2 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 125 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC B 125 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1CXA RELATED DB: PDB REMARK 900 RELATED ID: 1CXC RELATED DB: PDB DBREF 2CXB A 1 124 UNP P00095 CYC2_RHOSH 22 145 DBREF 2CXB B 1 124 UNP P00095 CYC2_RHOSH 22 145 SEQRES 1 A 124 GLN GLU GLY ASP PRO GLU ALA GLY ALA LYS ALA PHE ASN SEQRES 2 A 124 GLN CYS GLN THR CYS HIS VAL ILE VAL ASP ASP SER GLY SEQRES 3 A 124 THR THR ILE ALA GLY ARG ASN ALA LYS THR GLY PRO ASN SEQRES 4 A 124 LEU TYR GLY VAL VAL GLY ARG THR ALA GLY THR GLN ALA SEQRES 5 A 124 ASP PHE LYS GLY TYR GLY GLU GLY MET LYS GLU ALA GLY SEQRES 6 A 124 ALA LYS GLY LEU ALA TRP ASP GLU GLU HIS PHE VAL GLN SEQRES 7 A 124 TYR VAL GLN ASP PRO THR LYS PHE LEU LYS GLU TYR THR SEQRES 8 A 124 GLY ASP ALA LYS ALA LYS GLY LYS MET THR PHE LYS LEU SEQRES 9 A 124 LYS LYS GLU ALA ASP ALA HIS ASN ILE TRP ALA TYR LEU SEQRES 10 A 124 GLN GLN VAL ALA VAL ARG PRO SEQRES 1 B 124 GLN GLU GLY ASP PRO GLU ALA GLY ALA LYS ALA PHE ASN SEQRES 2 B 124 GLN CYS GLN THR CYS HIS VAL ILE VAL ASP ASP SER GLY SEQRES 3 B 124 THR THR ILE ALA GLY ARG ASN ALA LYS THR GLY PRO ASN SEQRES 4 B 124 LEU TYR GLY VAL VAL GLY ARG THR ALA GLY THR GLN ALA SEQRES 5 B 124 ASP PHE LYS GLY TYR GLY GLU GLY MET LYS GLU ALA GLY SEQRES 6 B 124 ALA LYS GLY LEU ALA TRP ASP GLU GLU HIS PHE VAL GLN SEQRES 7 B 124 TYR VAL GLN ASP PRO THR LYS PHE LEU LYS GLU TYR THR SEQRES 8 B 124 GLY ASP ALA LYS ALA LYS GLY LYS MET THR PHE LYS LEU SEQRES 9 B 124 LYS LYS GLU ALA ASP ALA HIS ASN ILE TRP ALA TYR LEU SEQRES 10 B 124 GLN GLN VAL ALA VAL ARG PRO HET HEC A 125 43 HET HEC B 125 43 HETNAM HEC HEME C FORMUL 3 HEC 2(C34 H34 FE N4 O4) FORMUL 5 HOH *204(H2 O) HELIX 1 AA PRO A 5 CYS A 18 1BENT ALPHA-HELIX, RESIDUE 10 14 HELIX 2 AB GLU A 59 ALA A 66 1 8 HELIX 3 AC ASP A 72 GLN A 81 1 10 HELIX 4 AD PRO A 83 THR A 91 1 9 HELIX 5 AE GLU A 107 GLN A 119 1 13 HELIX 6 BA PRO B 5 CYS B 18 1 14 HELIX 7 BB GLU B 59 ALA B 66 1 8 HELIX 8 BC ASP B 72 GLN B 81 1 10 HELIX 9 BD PRO B 83 THR B 91 1 9 HELIX 10 BE GLU B 107 GLN B 119 1 13 SHEET 1 A 2 ILE A 21 VAL A 22 0 SHEET 2 A 2 THR A 28 ALA A 30 -1 N ILE A 29 O ILE A 21 SHEET 1 B 2 ILE B 21 VAL B 22 0 SHEET 2 B 2 THR B 28 ALA B 30 -1 N ILE B 29 O ILE B 21 LINK SG CYS A 15 CAB HEC A 125 1555 1555 1.83 LINK SG CYS A 18 CAC HEC A 125 1555 1555 1.83 LINK SG CYS B 15 CAB HEC B 125 1555 1555 1.93 LINK SG CYS B 18 CAC HEC B 125 1555 1555 1.83 LINK NE2 HIS A 19 FE HEC A 125 1555 1555 2.15 LINK SD MET A 100 FE HEC A 125 1555 1555 2.40 LINK NE2 HIS B 19 FE HEC B 125 1555 1555 2.13 LINK SD MET B 100 FE HEC B 125 1555 1555 2.39 SITE 1 AC1 21 CYS A 15 THR A 17 CYS A 18 HIS A 19 SITE 2 AC1 21 THR A 36 ARG A 46 ALA A 48 GLY A 49 SITE 3 AC1 21 TYR A 57 GLY A 58 MET A 61 TRP A 71 SITE 4 AC1 21 TYR A 79 GLY A 98 LYS A 99 MET A 100 SITE 5 AC1 21 PHE A 102 HOH A 126 HOH A 127 HOH A 128 SITE 6 AC1 21 ALA B 66 SITE 1 AC2 20 ALA A 66 CYS B 15 THR B 17 CYS B 18 SITE 2 AC2 20 HIS B 19 THR B 36 ARG B 46 ALA B 48 SITE 3 AC2 20 GLY B 49 TYR B 57 GLY B 58 MET B 61 SITE 4 AC2 20 TRP B 71 TYR B 79 LYS B 99 MET B 100 SITE 5 AC2 20 PHE B 102 HOH B 141 HOH B 142 HOH B 143 CRYST1 45.310 37.970 37.600 102.94 72.44 90.57 P 1 2 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 0.022070 0.000220 -0.007127 0.00000 SCALE2 0.000000 0.026338 0.006274 0.00000 SCALE3 0.000000 0.000000 0.028676 0.00000 MASTER 294 0 2 10 4 0 11 6 0 0 0 20 END