HEADER CYTOCHROME 13-OCT-99 1QN2 TITLE CYTOCHROME CH FROM METHYLOBACTERIUM EXTORQUENS COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME CH; COMPND 3 CHAIN: A, B, C SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: METHYLOBACTERIUM EXTORQUENS; SOURCE 3 ORGANISM_TAXID: 408 KEYWDS CYTOCHROME, CYTOCHROME C, ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR J.READ,R.GILL,S.L.DALES,J.B.COOPER,S.P.WOOD,C.ANTHONY REVDAT 6 13-DEC-23 1QN2 1 REMARK LINK REVDAT 5 22-MAY-19 1QN2 1 REMARK REVDAT 4 08-MAY-19 1QN2 1 REMARK LINK REVDAT 3 30-MAY-18 1QN2 1 JRNL REVDAT 2 24-FEB-09 1QN2 1 VERSN REVDAT 1 13-OCT-00 1QN2 0 JRNL AUTH J.READ,R.GILL,S.L.DALES,J.B.COOPER,S.P.WOOD,C.ANTHONY JRNL TITL THE MOLECULAR STRUCTURE OF AN UNUSUAL CYTOCHROME C2 JRNL TITL 2 DETERMINED AT 2.0A; THE CYTOCHROME CH FROM METHYLOBACTERIUM JRNL TITL 3 EXTORQUENS JRNL REF PROTEIN SCI. V. 8 1232 1999 JRNL REFN ISSN 0961-8368 JRNL PMID 10386873 JRNL DOI 10.1110/PS.8.6.1232 REMARK 2 REMARK 2 RESOLUTION. 2.01 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CCP4 REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.01 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.4 REMARK 3 NUMBER OF REFLECTIONS : 16999 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.161 REMARK 3 FREE R VALUE : 0.222 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 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 : 2148 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 129 REMARK 3 SOLVENT ATOMS : 176 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.40 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) : 0.007 ; NULL REMARK 3 ANGLE DISTANCE (A) : 0.018 ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.009 ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.007 ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.011 ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.028 ; 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 1QN2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 13-OCT-99. REMARK 100 THE DEPOSITION ID IS D_1290004216. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-APR-97 REMARK 200 TEMPERATURE (KELVIN) : 293.0 REMARK 200 PH : 7.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : ENRAF NONIUS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : AGROVATA, SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16999 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.4 REMARK 200 DATA REDUNDANCY : 2.250 REMARK 200 R MERGE (I) : 0.06100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.01 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 71.5 REMARK 200 DATA REDUNDANCY IN SHELL : 1.90 REMARK 200 R MERGE FOR SHELL (I) : 0.13400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CCP4 REMARK 200 STARTING MODEL: 2C2C 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): 2.79 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: HANGING DROP VAPOUR DIFFUSION, 10 REMARK 280 MG/ML PROTEIN, 18% PEG 1500, 50 MM TRIS-HCL, PH 7.0, PH 7.00, REMARK 280 VAPOR DIFFUSION, HANGING DROP 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, 3 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: C 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 SER A 100 REMARK 465 GLU B 1 REMARK 465 SER B 100 REMARK 465 GLU C 1 REMARK 465 SER C 100 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 GLU A 21 CG CD OE1 OE2 REMARK 470 GLU A 39 CG CD OE1 OE2 REMARK 470 LYS A 87 CG CD CE NZ REMARK 470 GLU B 21 CG CD OE1 OE2 REMARK 470 SER B 84 OG REMARK 470 GLU C 39 CG CD OE1 OE2 REMARK 470 LYS C 52 CG CD CE NZ REMARK 470 LYS C 70 CG CD CE NZ REMARK 470 SER C 84 OG 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 NZ LYS C 63 O HOH C 2036 1.88 REMARK 500 O HOH B 2014 O HOH B 2031 2.11 REMARK 500 O HOH B 2010 O HOH B 2026 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 ASP A 42 60.69 39.45 REMARK 500 TRP A 57 59.85 -68.01 REMARK 500 ASP A 68 92.03 -166.83 REMARK 500 ASP B 68 86.62 -166.06 REMARK 500 ASP C 68 85.66 -165.57 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 101 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 18 NE2 REMARK 620 2 HEC A 101 NA 87.4 REMARK 620 3 HEC A 101 NB 96.6 89.8 REMARK 620 4 HEC A 101 NC 94.5 177.8 88.8 REMARK 620 5 HEC A 101 ND 83.0 89.4 179.2 92.0 REMARK 620 6 MET A 78 SD 166.3 85.9 95.3 92.5 85.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC B 101 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 18 NE2 REMARK 620 2 HEC B 101 NA 90.6 REMARK 620 3 HEC B 101 NB 94.0 89.8 REMARK 620 4 HEC B 101 NC 91.6 177.8 90.4 REMARK 620 5 HEC B 101 ND 90.0 88.3 175.6 91.3 REMARK 620 6 MET B 78 SD 175.4 86.3 89.3 91.5 86.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC C 101 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS C 18 NE2 REMARK 620 2 HEC C 101 NA 91.8 REMARK 620 3 HEC C 101 NB 94.7 91.4 REMARK 620 4 HEC C 101 NC 88.2 179.7 89.0 REMARK 620 5 HEC C 101 ND 87.1 87.9 178.0 91.8 REMARK 620 6 MET C 78 SD 171.9 87.3 93.3 92.5 84.8 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 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC B 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC C 101 DBREF 1QN2 A 1 100 PDB 1QN2 1QN2 1 100 DBREF 1QN2 B 1 100 PDB 1QN2 1QN2 1 100 DBREF 1QN2 C 1 100 PDB 1QN2 1QN2 1 100 SEQRES 1 A 100 GLU GLY ASP ALA ALA ALA GLY GLU LYS ALA PHE ALA PRO SEQRES 2 A 100 CYS LYS ALA CYS HIS ASN PHE GLU LYS ASN GLY VAL GLY SEQRES 3 A 100 PRO THR LEU LYS GLY VAL VAL GLY ALA LYS ALA GLY GLU SEQRES 4 A 100 GLY ALA ASP GLY TYR ALA PHE SER ASP ALA LEU LYS LYS SEQRES 5 A 100 SER GLY LEU THR TRP ASP GLN ALA ASP LEU LYS GLN TRP SEQRES 6 A 100 LEU ALA ASP PRO LYS LYS LYS VAL PRO GLY THR LYS MET SEQRES 7 A 100 VAL PHE PRO GLY ILE SER ASP PRO LYS LYS VAL ASP ASP SEQRES 8 A 100 ILE ILE ALA TYR LEU LYS THR LYS SER SEQRES 1 B 100 GLU GLY ASP ALA ALA ALA GLY GLU LYS ALA PHE ALA PRO SEQRES 2 B 100 CYS LYS ALA CYS HIS ASN PHE GLU LYS ASN GLY VAL GLY SEQRES 3 B 100 PRO THR LEU LYS GLY VAL VAL GLY ALA LYS ALA GLY GLU SEQRES 4 B 100 GLY ALA ASP GLY TYR ALA PHE SER ASP ALA LEU LYS LYS SEQRES 5 B 100 SER GLY LEU THR TRP ASP GLN ALA ASP LEU LYS GLN TRP SEQRES 6 B 100 LEU ALA ASP PRO LYS LYS LYS VAL PRO GLY THR LYS MET SEQRES 7 B 100 VAL PHE PRO GLY ILE SER ASP PRO LYS LYS VAL ASP ASP SEQRES 8 B 100 ILE ILE ALA TYR LEU LYS THR LYS SER SEQRES 1 C 100 GLU GLY ASP ALA ALA ALA GLY GLU LYS ALA PHE ALA PRO SEQRES 2 C 100 CYS LYS ALA CYS HIS ASN PHE GLU LYS ASN GLY VAL GLY SEQRES 3 C 100 PRO THR LEU LYS GLY VAL VAL GLY ALA LYS ALA GLY GLU SEQRES 4 C 100 GLY ALA ASP GLY TYR ALA PHE SER ASP ALA LEU LYS LYS SEQRES 5 C 100 SER GLY LEU THR TRP ASP GLN ALA ASP LEU LYS GLN TRP SEQRES 6 C 100 LEU ALA ASP PRO LYS LYS LYS VAL PRO GLY THR LYS MET SEQRES 7 C 100 VAL PHE PRO GLY ILE SER ASP PRO LYS LYS VAL ASP ASP SEQRES 8 C 100 ILE ILE ALA TYR LEU LYS THR LYS SER HET HEC A 101 43 HET HEC B 101 43 HET HEC C 101 43 HETNAM HEC HEME C FORMUL 4 HEC 3(C34 H34 FE N4 O4) FORMUL 7 HOH *176(H2 O) HELIX 1 1 ASP A 3 PHE A 11 1 9 HELIX 2 2 ALA A 12 CYS A 17 5 6 HELIX 3 3 SER A 47 GLY A 54 1 8 HELIX 4 4 ASP A 58 ASP A 68 1 11 HELIX 5 5 ASP A 68 VAL A 73 1 6 HELIX 6 6 ASP A 85 LYS A 99 1 15 HELIX 7 7 ASP B 3 PHE B 11 1 9 HELIX 8 8 PHE B 11 ALA B 16 1 6 HELIX 9 9 GLY B 40 TYR B 44 5 5 HELIX 10 10 SER B 47 SER B 53 1 7 HELIX 11 11 ASP B 58 ASP B 68 1 11 HELIX 12 12 ASP B 68 VAL B 73 1 6 HELIX 13 13 ASP B 85 THR B 98 1 14 HELIX 14 14 ASP C 3 PHE C 11 1 9 HELIX 15 15 ALA C 12 CYS C 17 5 6 HELIX 16 16 GLY C 40 TYR C 44 5 5 HELIX 17 17 SER C 47 SER C 53 1 7 HELIX 18 18 ASP C 58 ASP C 68 1 11 HELIX 19 19 ASP C 68 VAL C 73 1 6 HELIX 20 20 ASP C 85 THR C 98 1 14 LINK SG CYS A 14 CAB HEC A 101 1555 1555 1.84 LINK SG CYS A 17 CAC HEC A 101 1555 1555 1.84 LINK SG CYS B 14 CAB HEC B 101 1555 1555 1.82 LINK SG CYS B 17 CAC HEC B 101 1555 1555 1.83 LINK SG CYS C 14 CAB HEC C 101 1555 1555 1.83 LINK SG CYS C 17 CAC HEC C 101 1555 1555 1.84 LINK NE2 HIS A 18 FE HEC A 101 1555 1555 2.06 LINK SD MET A 78 FE HEC A 101 1555 1555 2.41 LINK NE2 HIS B 18 FE HEC B 101 1555 1555 1.87 LINK SD MET B 78 FE HEC B 101 1555 1555 2.33 LINK NE2 HIS C 18 FE HEC C 101 1555 1555 1.95 LINK SD MET C 78 FE HEC C 101 1555 1555 2.34 SITE 1 AC1 19 CYS A 14 CYS A 17 HIS A 18 PRO A 27 SITE 2 AC1 19 ALA A 37 GLY A 38 TYR A 44 PHE A 46 SITE 3 AC1 19 SER A 47 TRP A 57 TRP A 65 LEU A 66 SITE 4 AC1 19 THR A 76 LYS A 77 MET A 78 VAL A 79 SITE 5 AC1 19 PHE A 80 HOH A2013 HOH A2052 SITE 1 AC2 20 PRO B 13 CYS B 14 CYS B 17 HIS B 18 SITE 2 AC2 20 PRO B 27 ALA B 37 GLY B 38 TYR B 44 SITE 3 AC2 20 PHE B 46 SER B 47 LEU B 50 TRP B 57 SITE 4 AC2 20 TRP B 65 LEU B 66 THR B 76 LYS B 77 SITE 5 AC2 20 MET B 78 VAL B 79 PHE B 80 HOH B2064 SITE 1 AC3 24 PRO C 13 CYS C 14 CYS C 17 HIS C 18 SITE 2 AC3 24 VAL C 25 PRO C 27 LEU C 29 ALA C 37 SITE 3 AC3 24 GLY C 38 TYR C 44 PHE C 46 SER C 47 SITE 4 AC3 24 LEU C 50 TRP C 57 TRP C 65 LEU C 66 SITE 5 AC3 24 THR C 76 LYS C 77 MET C 78 VAL C 79 SITE 6 AC3 24 PHE C 80 ILE C 83 HOH C2018 HOH C2060 CRYST1 33.760 57.570 50.950 67.81 89.33 74.40 P 1 3 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 0.029621 -0.008270 0.003115 0.00000 SCALE2 0.000000 0.018034 -0.007612 0.00000 SCALE3 0.000000 0.000000 0.021305 0.00000