HEADER ELECTRON TRANSPORT 15-MAY-03 1PC4 TITLE CRYSTAL STRUCTURE OF THE P50A MUTANT OF FERREDOXIN I AT 1.65 A TITLE 2 RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: FERREDOXIN I; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: FDI; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: AZOTOBACTER VINELANDII; SOURCE 3 ORGANISM_TAXID: 354; SOURCE 4 EXPRESSION_SYSTEM: AZOTOBACTER VINELANDII; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 354 KEYWDS ELECTRON TRANSPORT, IRON-SULFUR PROTEIN, FERREDOXIN, MUTANT EXPDTA X-RAY DIFFRACTION AUTHOR R.CAMBA,Y.S.JUNG,K.CHEN,L.M.HUNSICKER-WANG,B.K.BURGESS,C.D.STOUT, AUTHOR 2 J.HIRST,F.A.ARMSTRONG REVDAT 5 14-FEB-24 1PC4 1 REMARK REVDAT 4 27-OCT-21 1PC4 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1PC4 1 VERSN REVDAT 2 14-OCT-03 1PC4 1 JRNL REVDAT 1 30-SEP-03 1PC4 0 JRNL AUTH R.CAMBA,Y.S.JUNG,L.M.HUNSICKER-WANG,B.K.BURGESS,C.D.STOUT, JRNL AUTH 2 J.HIRST,F.A.ARMSTRONG JRNL TITL MECHANISMS OF REDOX-COUPLED PROTON TRANSFER IN PROTEINS: JRNL TITL 2 ROLE OF THE PROXIMAL PROLINE IN REACTIONS OF THE [3FE-4S] JRNL TITL 3 CLUSTER IN AZOTOBACTER VINELANDII FERREDOXIN I JRNL REF BIOCHEMISTRY V. 42 10589 2003 JRNL REFN ISSN 0006-2960 JRNL PMID 12962482 JRNL DOI 10.1021/BI035021V REMARK 2 REMARK 2 RESOLUTION. 1.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 84.6 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.156 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.159 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.238 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 791 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 15946 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.142 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 12597 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 839 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 15 REMARK 3 SOLVENT ATOMS : 101 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 955.00 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 3 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 8700 REMARK 3 NUMBER OF RESTRAINTS : 0 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 ANGLE DISTANCES (A) : 0.260 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.414 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.036 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.013 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE R REMARK 3 (NO CUTOFF) BY 1% REMARK 4 REMARK 4 1PC4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-MAY-03. REMARK 100 THE DEPOSITION ID IS D_1000019226. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-JUL-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.4 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 : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5408 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15874 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.650 REMARK 200 RESOLUTION RANGE LOW (A) : 38.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.68 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.3 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.41800 REMARK 200 <I/SIGMA(I)> 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: SHELX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.63 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: TRIS-HCL, AMMONIUM SULFATE, PH 7.4, REMARK 280 VAPOR DIFFUSION, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 46.36000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 27.61000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 27.61000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 23.18000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 27.61000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 27.61000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 69.54000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 27.61000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 27.61000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 23.18000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 27.61000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 27.61000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 69.54000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 46.36000 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 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 0 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 106 NE - CZ - NH2 ANGL. DEV. = 3.3 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 THR A 5 -161.61 -116.40 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 F3S A 108 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 8 SG REMARK 620 2 F3S A 108 S1 113.1 REMARK 620 3 F3S A 108 S3 117.2 103.4 REMARK 620 4 F3S A 108 S4 109.5 110.3 102.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 F3S A 108 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 16 SG REMARK 620 2 F3S A 108 S1 113.1 REMARK 620 3 F3S A 108 S2 110.9 104.4 REMARK 620 4 F3S A 108 S3 121.2 102.7 102.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 107 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 20 SG REMARK 620 2 SF4 A 107 S1 105.5 REMARK 620 3 SF4 A 107 S2 121.9 101.7 REMARK 620 4 SF4 A 107 S3 115.0 108.2 103.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 107 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 39 SG REMARK 620 2 SF4 A 107 S2 118.8 REMARK 620 3 SF4 A 107 S3 114.0 107.1 REMARK 620 4 SF4 A 107 S4 104.6 104.3 106.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 107 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 42 SG REMARK 620 2 SF4 A 107 S1 101.4 REMARK 620 3 SF4 A 107 S3 119.2 108.3 REMARK 620 4 SF4 A 107 S4 120.0 103.4 103.1 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 107 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 45 SG REMARK 620 2 SF4 A 107 S1 106.5 REMARK 620 3 SF4 A 107 S2 121.2 105.5 REMARK 620 4 SF4 A 107 S4 112.0 107.7 103.2 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 F3S A 108 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 49 SG REMARK 620 2 F3S A 108 S2 113.6 REMARK 620 3 F3S A 108 S3 107.2 107.3 REMARK 620 4 F3S A 108 S4 111.8 113.2 103.0 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SF4 A 107 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE F3S A 108 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1PC5 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE P50G MUTANT OF FERREDOXIN I AT 1.8 A REMARK 900 RESOLUTION DBREF 1PC4 A 0 106 UNP P00214 FER1_AZOVI 0 106 SEQADV 1PC4 ALA A 50 UNP P00214 PRO 50 ENGINEERED MUTATION SEQRES 1 A 107 MET ALA PHE VAL VAL THR ASP ASN CYS ILE LYS CYS LYS SEQRES 2 A 107 TYR THR ASP CYS VAL GLU VAL CYS PRO VAL ASP CYS PHE SEQRES 3 A 107 TYR GLU GLY PRO ASN PHE LEU VAL ILE HIS PRO ASP GLU SEQRES 4 A 107 CYS ILE ASP CYS ALA LEU CYS GLU PRO GLU CYS ALA ALA SEQRES 5 A 107 GLN ALA ILE PHE SER GLU ASP GLU VAL PRO GLU ASP MET SEQRES 6 A 107 GLN GLU PHE ILE GLN LEU ASN ALA GLU LEU ALA GLU VAL SEQRES 7 A 107 TRP PRO ASN ILE THR GLU LYS LYS ASP PRO LEU PRO ASP SEQRES 8 A 107 ALA GLU ASP TRP ASP GLY VAL LYS GLY LYS LEU GLN HIS SEQRES 9 A 107 LEU GLU ARG HET SF4 A 107 8 HET F3S A 108 7 HETNAM SF4 IRON/SULFUR CLUSTER HETNAM F3S FE3-S4 CLUSTER FORMUL 2 SF4 FE4 S4 FORMUL 3 F3S FE3 S4 FORMUL 4 HOH *101(H2 O) HELIX 1 1 ASP A 6 ILE A 9 5 4 HELIX 2 2 THR A 14 CYS A 20 5 7 HELIX 3 3 CYS A 45 CYS A 49 5 5 HELIX 4 4 ASP A 58 VAL A 60 5 3 HELIX 5 5 PRO A 61 MET A 64 5 4 HELIX 6 6 GLN A 65 ALA A 75 1 11 HELIX 7 7 ASP A 90 ASP A 95 1 6 HELIX 8 8 GLY A 99 LEU A 104 5 6 SHEET 1 A 2 PHE A 2 VAL A 4 0 SHEET 2 A 2 ILE A 54 SER A 56 -1 O PHE A 55 N VAL A 3 SHEET 1 B 2 PHE A 25 GLU A 27 0 SHEET 2 B 2 LEU A 32 ILE A 34 -1 O VAL A 33 N TYR A 26 LINK SG CYS A 8 FE3 F3S A 108 1555 1555 2.22 LINK SG CYS A 16 FE1 F3S A 108 1555 1555 2.21 LINK SG CYS A 20 FE4 SF4 A 107 1555 1555 2.30 LINK SG CYS A 39 FE1 SF4 A 107 1555 1555 2.29 LINK SG CYS A 42 FE2 SF4 A 107 1555 1555 2.24 LINK SG CYS A 45 FE3 SF4 A 107 1555 1555 2.27 LINK SG CYS A 49 FE4 F3S A 108 1555 1555 2.30 SITE 1 AC1 10 PHE A 2 CYS A 20 VAL A 22 CYS A 24 SITE 2 AC1 10 PHE A 25 CYS A 39 ILE A 40 CYS A 42 SITE 3 AC1 10 ALA A 43 CYS A 45 SITE 1 AC2 8 CYS A 8 LYS A 12 TYR A 13 THR A 14 SITE 2 AC2 8 ASP A 15 CYS A 16 LEU A 32 CYS A 49 CRYST1 55.220 55.220 92.720 90.00 90.00 90.00 P 41 21 2 8 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 0.018109 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018109 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010785 0.00000