HEADER TRANSPORT PROTEIN 24-AUG-05 2AT6 TITLE 1.22 A CRYSTAL STRUCTURE OF NITROPHORIN 4 FROM RHODNIUS PROLIXUS TITLE 2 CONTAINING FE(III) DEUTEROPORPHYRIN IX COMPLEXED WITH WATER AT PH 5.6 COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITROPHORIN 4; COMPND 3 CHAIN: X; COMPND 4 SYNONYM: NP4; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RHODNIUS PROLIXUS; SOURCE 3 ORGANISM_TAXID: 13249; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21DE3; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET17B KEYWDS LIPOCALIN, BETA BARREL, FERRIC, HEME ANALOG, FE(III) DEUTEROPORPHYRIN KEYWDS 2 IX, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.M.AMOIA,W.R.MONTFORT REVDAT 5 13-NOV-24 2AT6 1 REMARK REVDAT 4 23-AUG-23 2AT6 1 REMARK LINK REVDAT 3 24-FEB-09 2AT6 1 VERSN REVDAT 2 12-FEB-08 2AT6 3 ATOM REVDAT 1 22-AUG-06 2AT6 0 JRNL AUTH A.M.AMOIA,W.R.MONTFORT JRNL TITL HEME DISTORTION IN NITROPHORIN 4: HIGH RESOLUTION STRUCTURES JRNL TITL 2 OF MUTATED POSITIONS L123V AND L133V AND HEME ALTERED JRNL TITL 3 PROTEINS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.22 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.22 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.38 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.6 REMARK 3 NUMBER OF REFLECTIONS : 44670 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.134 REMARK 3 R VALUE (WORKING SET) : 0.133 REMARK 3 FREE R VALUE : 0.167 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2233 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.22 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.25 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3059 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.63 REMARK 3 BIN R VALUE (WORKING SET) : 0.1730 REMARK 3 BIN FREE R VALUE SET COUNT : 159 REMARK 3 BIN FREE R VALUE : 0.2240 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1428 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 39 REMARK 3 SOLVENT ATOMS : 272 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 10.37 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.71000 REMARK 3 B22 (A**2) : 0.06000 REMARK 3 B33 (A**2) : -0.81000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.27000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.050 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.047 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.027 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.294 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.975 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.961 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1889 ; 0.016 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1569 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2620 ; 1.760 ; 2.020 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3707 ; 0.940 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 252 ; 7.355 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 80 ;37.331 ;28.875 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 308 ;13.795 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 2 ; 9.112 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 272 ; 0.112 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2241 ; 0.010 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 370 ; 0.004 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 482 ; 0.494 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 1726 ; 0.239 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 868 ; 0.187 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 1079 ; 0.091 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 183 ; 0.155 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 22 ; 0.258 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 63 ; 0.193 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 31 ; 0.151 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1461 ; 1.908 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 472 ; 0.705 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1885 ; 2.328 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 883 ; 3.480 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 709 ; 4.282 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 4151 ; 1.670 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 278 ; 8.772 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 3379 ; 3.636 ; 3.000 REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE R. REMARK 3 HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS REMARK 4 REMARK 4 2AT6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-SEP-05. REMARK 100 THE DEPOSITION ID IS D_1000034282. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 31-JUL-03 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-BM-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9 REMARK 200 MONOCHROMATOR : BENT GE(111) REMARK 200 OPTICS : BENT CONICAL SI-MIRROR (RH REMARK 200 COATING) REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : D*TREK 7.2SSIBETA, CRYSTALCLEAR REMARK 200 V. 1.3 D*TREK (MSC/RIGAKU) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 44684 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.220 REMARK 200 RESOLUTION RANGE LOW (A) : 21.350 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.7 REMARK 200 DATA REDUNDANCY : 6.190 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : 0.07000 REMARK 200 FOR THE DATA SET : 15.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.22 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.26 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.02 REMARK 200 R MERGE FOR SHELL (I) : 0.31000 REMARK 200 R SYM FOR SHELL (I) : 0.31000 REMARK 200 FOR SHELL : 3.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: PDB ENTRY 1X8Q REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 20.75 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.56 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM PHOSPHATE, PH 5.6, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 300.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 35.14400 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 21.34950 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 35.14400 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 21.34950 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER CONSISTING OF CHAIN X REMARK 300 AND THE FE(III) DEUTEROPORPHYRIN IX, AND CAN BE GENERATED BY THE REMARK 300 IDENTITY OPERATION: X,Y,Z 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: X 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH X 192 LIES ON A SPECIAL POSITION. REMARK 375 HOH X 266 LIES ON A SPECIAL POSITION. REMARK 375 HOH X 359 LIES ON A SPECIAL POSITION. 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 PHE X 18 57.32 -90.11 REMARK 500 GLU X 32 77.41 -112.05 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 FE(III) DEUTEROPORPHYRIN IX IS DISORDERED BY A ROTATION REMARK 600 OF 180 DEGREES AROUND THE CHA-FE-CHC AXIS WHICH IS REMARK 600 REFLECTED IN CONFORMATION A AND CONFORMATION B OF THE REMARK 600 LIGAND. REMARK 600 WATER OCCUPIES THE SIXTH COORDINATION POSITION OF REMARK 600 THE FE(III) DEUTEROPORPHYRIN IX. 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 FDE X 185 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS X 59 NE2 REMARK 620 2 FDE X 185 NA 89.1 REMARK 620 3 FDE X 185 NB 91.5 92.5 REMARK 620 4 FDE X 185 NC 92.4 176.7 90.4 REMARK 620 5 FDE X 185 ND 90.3 88.4 178.0 88.6 REMARK 620 6 HOH X 472 O 178.2 89.5 89.8 88.9 88.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FDE X 185 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS X 59 NE2 REMARK 620 2 FDE X 185 NA 89.1 REMARK 620 3 FDE X 185 NB 91.5 92.5 REMARK 620 4 FDE X 185 NC 92.4 176.7 90.4 REMARK 620 5 FDE X 185 ND 90.3 88.4 178.0 88.6 REMARK 620 6 HOH X 472 O 178.2 89.5 89.8 88.9 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 FDE X 185 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2AT4 RELATED DB: PDB REMARK 900 NITROPHORIN 4 CONTAINING FE(III) DEUTEROPORPHYRIN IX COMPLEXED WITH REMARK 900 AMMONIA AT PH 7.5 REMARK 900 RELATED ID: 2AT5 RELATED DB: PDB REMARK 900 NITROPHORIN 4 CONTAINING FE(III) DEUTEROPORPHYRIN IX COMPLEXED WITH REMARK 900 NITRIC OXIDE AT PH 5.6 REMARK 900 RELATED ID: 1X8Q RELATED DB: PDB REMARK 900 NITROPHORIN 4 COMPLEXED WITH WATER AT PH 5.6 DBREF 2AT6 X 1 184 UNP Q94734 NP4_RHOPR 22 205 SEQRES 1 X 184 ALA CYS THR LYS ASN ALA ILE ALA GLN THR GLY PHE ASN SEQRES 2 X 184 LYS ASP LYS TYR PHE ASN GLY ASP VAL TRP TYR VAL THR SEQRES 3 X 184 ASP TYR LEU ASP LEU GLU PRO ASP ASP VAL PRO LYS ARG SEQRES 4 X 184 TYR CYS ALA ALA LEU ALA ALA GLY THR ALA SER GLY LYS SEQRES 5 X 184 LEU LYS GLU ALA LEU TYR HIS TYR ASP PRO LYS THR GLN SEQRES 6 X 184 ASP THR PHE TYR ASP VAL SER GLU LEU GLN VAL GLU SER SEQRES 7 X 184 LEU GLY LYS TYR THR ALA ASN PHE LYS LYS VAL ASP LYS SEQRES 8 X 184 ASN GLY ASN VAL LYS VAL ALA VAL THR ALA GLY ASN TYR SEQRES 9 X 184 TYR THR PHE THR VAL MET TYR ALA ASP ASP SER SER ALA SEQRES 10 X 184 LEU ILE HIS THR CYS LEU HIS LYS GLY ASN LYS ASP LEU SEQRES 11 X 184 GLY ASP LEU TYR ALA VAL LEU ASN ARG ASN LYS ASP ALA SEQRES 12 X 184 ALA ALA GLY ASP LYS VAL LYS SER ALA VAL SER ALA ALA SEQRES 13 X 184 THR LEU GLU PHE SER LYS PHE ILE SER THR LYS GLU ASN SEQRES 14 X 184 ASN CYS ALA TYR ASP ASN ASP SER LEU LYS SER LEU LEU SEQRES 15 X 184 THR LYS HET FDE X 185 78 HETNAM FDE FE(III) DEUTEROPORPHYRIN IX FORMUL 2 FDE C30 H28 FE N4 O4 FORMUL 3 HOH *272(H2 O) HELIX 1 1 ASN X 13 PHE X 18 1 6 HELIX 2 2 GLU X 32 VAL X 36 5 5 HELIX 3 3 GLY X 146 ALA X 156 1 11 HELIX 4 4 GLU X 159 PHE X 163 5 5 HELIX 5 5 ASP X 174 LEU X 182 1 9 SHEET 1 A 7 VAL X 95 VAL X 97 0 SHEET 2 A 7 LYS X 81 VAL X 89 -1 N LYS X 88 O LYS X 96 SHEET 3 A 7 THR X 67 SER X 78 -1 N GLU X 77 O LYS X 81 SHEET 4 A 7 LYS X 52 TYR X 60 -1 N LEU X 57 O ASP X 70 SHEET 5 A 7 CYS X 41 ALA X 49 -1 N GLY X 47 O LYS X 54 SHEET 6 A 7 ASN X 19 ASP X 30 -1 N TRP X 23 O LEU X 44 SHEET 7 A 7 ILE X 164 SER X 165 -1 O ILE X 164 N TYR X 28 SHEET 1 B 7 VAL X 95 VAL X 97 0 SHEET 2 B 7 LYS X 81 VAL X 89 -1 N LYS X 88 O LYS X 96 SHEET 3 B 7 TYR X 104 ALA X 112 -1 O TYR X 105 N ALA X 84 SHEET 4 B 7 SER X 116 HIS X 124 -1 O HIS X 124 N TYR X 104 SHEET 5 B 7 LEU X 133 ASN X 138 -1 O LEU X 137 N ALA X 117 SHEET 6 B 7 ASN X 19 ASP X 30 -1 N LEU X 29 O TYR X 134 SHEET 7 B 7 ILE X 164 SER X 165 -1 O ILE X 164 N TYR X 28 SSBOND 1 CYS X 2 CYS X 122 1555 1555 2.02 SSBOND 2 CYS X 41 CYS X 171 1555 1555 2.03 LINK NE2 HIS X 59 FE AFDE X 185 1555 1555 2.02 LINK NE2 HIS X 59 FE BFDE X 185 1555 1555 2.02 LINK FE AFDE X 185 O HOH X 472 1555 1555 2.04 LINK FE BFDE X 185 O HOH X 472 1555 1555 2.04 SITE 1 AC1 18 VAL X 36 PRO X 37 TYR X 40 LEU X 57 SITE 2 AC1 18 HIS X 59 ASP X 70 PHE X 86 LYS X 88 SITE 3 AC1 18 TYR X 105 ILE X 119 LEU X 123 LYS X 125 SITE 4 AC1 18 LYS X 128 LEU X 130 LEU X 133 HOH X 199 SITE 5 AC1 18 HOH X 443 HOH X 472 CRYST1 70.288 42.699 52.979 90.00 94.35 90.00 C 1 2 1 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 0.014227 0.000000 0.001082 0.00000 SCALE2 0.000000 0.023420 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018930 0.00000