HEADER TRANSPORT PROTEIN 24-AUG-05 2AT3 TITLE 1.00 A CRYSTAL STRUCTURE OF L123V/L133V MUTANT OF NITROPHORIN 4 FROM TITLE 2 RHODNIUS PROLIXUS COMPLEXED WITH IMIDAZOLE 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; COMPND 6 MUTATION: 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, IMIDAZOLE, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.M.AMOIA,W.R.MONTFORT REVDAT 4 20-OCT-21 2AT3 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 2AT3 1 VERSN REVDAT 2 12-FEB-08 2AT3 3 ATOM REVDAT 1 22-AUG-06 2AT3 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. 1.00 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) : 1.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.81 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 3 NUMBER OF REFLECTIONS : 81937 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) : 0.145 REMARK 3 R VALUE (WORKING SET) : 0.144 REMARK 3 FREE R VALUE : 0.167 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 4145 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) : 1.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.03 REMARK 3 REFLECTION IN BIN (WORKING SET) : 5002 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 85.52 REMARK 3 BIN R VALUE (WORKING SET) : 0.2470 REMARK 3 BIN FREE R VALUE SET COUNT : 261 REMARK 3 BIN FREE R VALUE : 0.2610 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1426 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 48 REMARK 3 SOLVENT ATOMS : 260 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 8.38 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.13000 REMARK 3 B22 (A**2) : 0.13000 REMARK 3 B33 (A**2) : -0.28000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.16000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.028 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.028 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.018 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.748 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.975 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.969 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1922 ; 0.013 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1595 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2662 ; 1.658 ; 2.017 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3766 ; 0.889 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 256 ; 7.381 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 85 ;37.950 ;28.588 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 316 ;13.355 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 3 ; 7.792 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 274 ; 0.095 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2299 ; 0.010 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 387 ; 0.006 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 469 ; 0.489 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 1723 ; 0.235 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 863 ; 0.186 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 1054 ; 0.088 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 192 ; 0.148 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 2 ; 0.014 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 19 ; 0.174 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 57 ; 0.211 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 32 ; 0.148 ; 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): 1479 ; 1.541 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 470 ; 1.031 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1909 ; 1.896 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 925 ; 2.584 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 739 ; 3.187 ; 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): 2317 ; 1.596 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 259 ; 7.035 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1772 ; 3.532 ; 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 2AT3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 31-AUG-05. REMARK 100 THE DEPOSITION ID IS D_1000034279. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-FEB-02 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 : SSRL REMARK 200 BEAMLINE : BL9-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.751 REMARK 200 MONOCHROMATOR : SINGLE CRYSTAL SI(311) BENT REMARK 200 MONOCHROMATOR (HORIZONTAL REMARK 200 FOCUSING) REMARK 200 OPTICS : FLAT MIRROR (VERTICAL FOCUSING) REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : BLU-ICE REMARK 200 DATA SCALING SOFTWARE : D*TREK 7.2SSIBETA, CRYSTALCLEAR REMARK 200 V. 1.0 D*TREK (MSC/RIGAKU) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 81947 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.000 REMARK 200 RESOLUTION RANGE LOW (A) : 19.810 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 200 DATA REDUNDANCY : 3.230 REMARK 200 R MERGE (I) : 0.04000 REMARK 200 R SYM (I) : 0.04000 REMARK 200 FOR THE DATA SET : 20.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.04 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.52 REMARK 200 R MERGE FOR SHELL (I) : 0.25000 REMARK 200 R SYM FOR SHELL (I) : 0.25000 REMARK 200 FOR SHELL : 2.600 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 1X8O REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 19.06 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.53 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM PHOSPHATE, IMIDAZOLE, PH 5.6, REMARK 280 VAPOR 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 35.11050 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 21.37150 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 35.11050 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 21.37150 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 HEME, AND CAN BE GENERATED BY THE 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 242 LIES ON A SPECIAL POSITION. REMARK 375 HOH X 314 LIES ON A SPECIAL POSITION. REMARK 375 HOH X 420 LIES ON A SPECIAL POSITION. 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 O LEU X 130 O GLY X 131 1.64 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 PHE X 18 57.59 -91.89 REMARK 500 ASP X 113 -159.01 -142.90 REMARK 500 ASP X 129 59.38 -147.32 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 X 185 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS X 59 NE2 REMARK 620 2 HEM X 185 NA 88.8 REMARK 620 3 HEM X 185 NB 90.3 89.4 REMARK 620 4 HEM X 185 NC 91.6 179.3 91.2 REMARK 620 5 HEM X 185 ND 88.5 89.7 178.4 89.7 REMARK 620 6 IMD X 186 N1 178.3 90.7 91.4 88.9 89.9 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 X 185 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMD X 186 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ASZ RELATED DB: PDB REMARK 900 L133V MUTANT OF NITROPHORIN 4 FROM RHODNIUS PROLIXUS COMPLEXED WITH REMARK 900 AMMONIA AT PH 7.5 REMARK 900 RELATED ID: 2AT0 RELATED DB: PDB REMARK 900 L133V MUTANT OF NITROPHORIN 4 FROM RHODNIUS PROLIXUS COMPLEXED WITH REMARK 900 NITRIC OXIDE AT PH 5.6 REMARK 900 RELATED ID: 1IKJ RELATED DB: PDB REMARK 900 NITROPHORIN 4 COMPLEXED WITH IMIDAZOLE AT PH 5.6 DBREF 2AT3 X 1 184 UNP Q94734 NP4_RHOPR 22 205 SEQADV 2AT3 VAL X 123 UNP Q94734 LEU 144 ENGINEERED MUTATION SEQADV 2AT3 VAL X 133 UNP Q94734 LEU 154 ENGINEERED MUTATION 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 VAL HIS LYS GLY ASN LYS ASP LEU SEQRES 11 X 184 GLY ASP VAL 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 HEM X 185 43 HET IMD X 186 5 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM IMD IMIDAZOLE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 IMD C3 H5 N2 1+ FORMUL 4 HOH *260(H2 O) HELIX 1 1 ASN X 13 PHE X 18 1 6 HELIX 2 2 GLY X 146 ALA X 156 1 11 HELIX 3 3 GLU X 159 PHE X 163 5 5 HELIX 4 4 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 GLN X 75 O THR X 83 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 ASP X 132 ASN X 138 -1 O LEU X 137 N ALA X 117 SHEET 6 B 7 ASN X 19 ASP X 30 -1 N ASP X 27 O VAL X 136 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 2.04 SSBOND 2 CYS X 41 CYS X 171 1555 1555 2.03 LINK NE2 HIS X 59 FE HEM X 185 1555 1555 2.00 LINK FE HEM X 185 N1 IMD X 186 1555 1555 1.98 SITE 1 AC1 17 VAL X 36 PRO X 37 TYR X 40 LEU X 44 SITE 2 AC1 17 LEU X 57 HIS X 59 ASP X 70 PHE X 86 SITE 3 AC1 17 LYS X 88 TYR X 105 ILE X 119 VAL X 123 SITE 4 AC1 17 LYS X 125 LYS X 128 LEU X 130 IMD X 186 SITE 5 AC1 17 HOH X 267 SITE 1 AC2 5 VAL X 123 LEU X 130 VAL X 133 HEM X 185 SITE 2 AC2 5 HOH X 212 CRYST1 70.221 42.743 52.886 90.00 94.09 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 0.014240 0.000000 0.001020 0.00000 SCALE2 0.000000 0.023400 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018960 0.00000 MASTER 313 0 2 4 14 0 7 6 0 0 0 15 END