HEADER ELECTRON TRANSPORT 29-SEP-93 2CYM TITLE EFFECTS OF AMINO ACID SUBSTITUTION ON THREE-DIMENSIONAL STRUCTURE: AN TITLE 2 X-RAY ANALYSIS OF CYTOCHROME C3 FROM DESULFOVIBRIO VULGARIS TITLE 3 HILDENBOROUGH AT 2 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C3; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DESULFOVIBRIO VULGARIS; SOURCE 3 ORGANISM_TAXID: 881 KEYWDS ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR Y.MORIMOTO,T.TANI,H.OKUMURA,Y.HIGUCHI,N.YASUOKA REVDAT 4 14-FEB-24 2CYM 1 REMARK LINK REVDAT 3 24-FEB-09 2CYM 1 VERSN REVDAT 2 01-APR-03 2CYM 1 JRNL REVDAT 1 30-APR-94 2CYM 0 JRNL AUTH Y.MORIMOTO,T.TANI,H.OKUMURA,Y.HIGUCHI,N.YASUOKA JRNL TITL EFFECTS OF AMINO ACID SUBSTITUTION ON THREE-DIMENSIONAL JRNL TITL 2 STRUCTURE: AN X-RAY ANALYSIS OF CYTOCHROME C3 FROM JRNL TITL 3 DESULFOVIBRIO VULGARIS HILDENBOROUGH AT 2 A RESOLUTION. JRNL REF J.BIOCHEM.(TOKYO) V. 110 532 1991 JRNL REFN ISSN 0021-924X JRNL PMID 1663945 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.212 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 FIT/AGREEMENT OF MODEL WITH ALL DATA. 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 : 810 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 172 REMARK 3 SOLVENT ATOMS : 49 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.021 ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2CYM 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_1000177970. 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 : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL 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 (%): 48.55 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 21.58500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 20.58500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.45500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 20.58500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.58500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.45500 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: 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 ARG A 44 CA - CB - CG ANGL. DEV. = 13.2 DEGREES REMARK 500 ARG A 44 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 ASP A 90 CB - CG - OD2 ANGL. DEV. = 8.5 DEGREES REMARK 500 ASP A 96 CB - CG - OD1 ANGL. DEV. = -5.6 DEGREES REMARK 500 GLU A 107 OE1 - CD - OE2 ANGL. DEV. = 10.0 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 ALA A 6 -167.04 -68.86 REMARK 500 CYS A 33 -51.58 -121.19 REMARK 500 LYS A 40 115.89 -163.21 REMARK 500 CYS A 51 -147.20 -109.37 REMARK 500 LYS A 58 52.70 -102.37 REMARK 500 ASN A 73 77.96 46.09 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 LYS A 40 12.92 REMARK 500 CYS A 51 17.61 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 HEM A 110 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 22 NE2 REMARK 620 2 HEM A 110 NA 86.4 REMARK 620 3 HEM A 110 NB 87.6 89.1 REMARK 620 4 HEM A 110 NC 86.8 173.0 89.2 REMARK 620 5 HEM A 110 ND 86.8 91.4 174.3 89.6 REMARK 620 6 HIS A 34 NE2 177.4 95.5 94.2 91.3 91.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 111 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 25 NE2 REMARK 620 2 HEM A 111 NA 91.3 REMARK 620 3 HEM A 111 NB 97.6 88.7 REMARK 620 4 HEM A 111 NC 91.4 177.2 90.7 REMARK 620 5 HEM A 111 ND 86.8 92.0 175.6 88.4 REMARK 620 6 HIS A 83 NE2 171.8 88.8 90.6 88.5 85.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 109 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 35 NE2 REMARK 620 2 HEM A 109 NA 86.1 REMARK 620 3 HEM A 109 NB 85.8 90.7 REMARK 620 4 HEM A 109 NC 88.3 174.0 91.1 REMARK 620 5 HEM A 109 ND 97.9 87.7 175.8 90.8 REMARK 620 6 HIS A 52 NE2 168.2 93.3 82.4 92.6 93.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 108 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 70 NE2 REMARK 620 2 HEM A 108 NA 88.5 REMARK 620 3 HEM A 108 NB 98.5 91.4 REMARK 620 4 HEM A 108 NC 89.2 177.6 89.5 REMARK 620 5 HEM A 108 ND 79.8 89.9 177.8 89.1 REMARK 620 6 HIS A 106 NE2 170.3 88.7 90.8 93.6 90.9 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 HEM A 108 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 109 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 110 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 111 DBREF 2CYM A 1 107 UNP P00131 CYC3_DESVH 23 129 SEQRES 1 A 107 ALA PRO LYS ALA PRO ALA ASP GLY LEU LYS MET GLU ALA SEQRES 2 A 107 THR LYS GLN PRO VAL VAL PHE ASN HIS SER THR HIS LYS SEQRES 3 A 107 SER VAL LYS CYS GLY ASP CYS HIS HIS PRO VAL ASN GLY SEQRES 4 A 107 LYS GLU ASP TYR ARG LYS CYS GLY THR ALA GLY CYS HIS SEQRES 5 A 107 ASP SER MET ASP LYS LYS ASP LYS SER ALA LYS GLY TYR SEQRES 6 A 107 TYR HIS VAL MET HIS ASP LYS ASN THR LYS PHE LYS SER SEQRES 7 A 107 CYS VAL GLY CYS HIS VAL GLU VAL ALA GLY ALA ASP ALA SEQRES 8 A 107 ALA LYS LYS LYS ASP LEU THR GLY CYS LYS LYS SER LYS SEQRES 9 A 107 CYS HIS GLU HET HEM A 108 43 HET HEM A 109 43 HET HEM A 110 43 HET HEM A 111 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 HEM 4(C34 H32 FE N4 O4) FORMUL 6 HOH *49(H2 O) HELIX 1 H1 TYR A 65 HIS A 70 1 6 HELIX 2 H2 SER A 78 VAL A 84 1 7 HELIX 3 H3 LYS A 93 THR A 98 1 6 SHEET 1 S1 2 LEU A 9 MET A 11 0 SHEET 2 S1 2 VAL A 18 PHE A 20 -1 LINK NE2 HIS A 22 FE HEM A 110 1555 1555 2.23 LINK NE2 HIS A 25 FE HEM A 111 1555 1555 2.05 LINK NE2 HIS A 34 FE HEM A 110 1555 1555 2.02 LINK NE2 HIS A 35 FE HEM A 109 1555 1555 2.08 LINK NE2 HIS A 52 FE HEM A 109 1555 1555 2.04 LINK NE2 HIS A 70 FE HEM A 108 1555 1555 2.21 LINK NE2 HIS A 83 FE HEM A 111 1555 1555 2.19 LINK NE2 HIS A 106 FE HEM A 108 1555 1555 2.14 SITE 1 AC1 19 MET A 11 GLU A 12 ALA A 13 THR A 14 SITE 2 AC1 19 GLN A 16 LYS A 29 TYR A 65 TYR A 66 SITE 3 AC1 19 HIS A 70 CYS A 79 HIS A 83 LEU A 97 SITE 4 AC1 19 GLY A 99 CYS A 100 CYS A 105 HIS A 106 SITE 5 AC1 19 HOH A 120 HOH A 148 HOH A 149 SITE 1 AC2 14 CYS A 33 HIS A 35 ASP A 42 ARG A 44 SITE 2 AC2 14 LYS A 45 CYS A 46 CYS A 51 HIS A 52 SITE 3 AC2 14 HIS A 67 THR A 74 LYS A 75 PHE A 76 SITE 4 AC2 14 HOH A 115 HOH A 126 SITE 1 AC3 17 LYS A 3 PRO A 5 PHE A 20 HIS A 22 SITE 2 AC3 17 HIS A 25 VAL A 28 LYS A 29 CYS A 30 SITE 3 AC3 17 CYS A 33 HIS A 34 TYR A 43 LYS A 45 SITE 4 AC3 17 CYS A 46 HEM A 111 HOH A 125 HOH A 145 SITE 5 AC3 17 HOH A 147 SITE 1 AC4 17 ASN A 21 THR A 24 HIS A 25 VAL A 28 SITE 2 AC4 17 SER A 78 CYS A 79 CYS A 82 HIS A 83 SITE 3 AC4 17 LYS A 93 LEU A 97 LYS A 104 HEM A 110 SITE 4 AC4 17 HOH A 117 HOH A 143 HOH A 144 HOH A 148 SITE 5 AC4 17 HOH A 150 CRYST1 43.170 62.910 41.170 90.00 90.00 90.00 P 21 21 21 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 0.023164 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015896 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024290 0.00000