HEADER OXIDOREDUCTASE 10-JUL-09 3I95 TITLE CRYSTAL STRUCTURE OF E76Q MUTANT PCYA-BILIVERDIN COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHYCOCYANOBILIN:FERREDOXIN OXIDOREDUCTASE; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SYNECHOCYSTIS SP. PCC 6803; SOURCE 3 ORGANISM_TAXID: 1148; SOURCE 4 GENE: PCYA, SLR0116; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: C41(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET21A KEYWDS ALPHA-BETA-ALPHA SANDWICH, MUTANT ENZYME-SUBSTRATE COMPLEX, KEYWDS 2 OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.HAGIWARA,M.SUGISHIMA,K.FUKUYAMA REVDAT 1 27-OCT-09 3I95 0 JRNL AUTH Y.HAGIWARA,M.SUGISHIMA,H.KHAWN,H.KINOSHITA, JRNL AUTH 2 K.INOMATA,L.SHANG,J.C.LAGARIAS,Y.TAKAHASHI, JRNL AUTH 3 K.FUKUYAMA JRNL TITL STRUCTURAL INSIGHTS INTO VINYL REDUCTION JRNL TITL 2 REGIOSPECIFICITY OF PHYCOCYANOBILIN:FERREDOXIN JRNL TITL 3 OXIDOREDUCTASE (PCYA). JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 17.98 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 57590 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.176 REMARK 3 R VALUE (WORKING SET) : 0.175 REMARK 3 FREE R VALUE : 0.192 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2929 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) : 1.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.44 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3913 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.82 REMARK 3 BIN R VALUE (WORKING SET) : 0.2310 REMARK 3 BIN FREE R VALUE SET COUNT : 214 REMARK 3 BIN FREE R VALUE : 0.2570 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2072 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 334 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.17 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.058 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.058 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.035 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.858 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.964 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.959 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2167 ; 0.008 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2943 ; 1.683 ; 1.995 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 244 ; 5.919 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 115 ;35.703 ;24.957 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 405 ;12.467 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 15 ;16.342 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 316 ; 0.078 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1672 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1105 ; 0.202 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1504 ; 0.303 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 296 ; 0.106 ; 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): 73 ; 0.201 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 45 ; 0.122 ; 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): 1288 ; 0.677 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2045 ; 1.120 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1004 ; 1.660 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 898 ; 2.486 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL 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 : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 3I95 COMPLIES WITH FORMAT V. 3.20, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 22-JUL-09. REMARK 100 THE RCSB ID CODE IS RCSB054120. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-FEB-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL38B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : SI(111) DOUBLE MONOCHROMATER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU JUPITER 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 57594 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 17.980 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 6.700 REMARK 200 R MERGE (I) : 0.05500 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) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.45 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.4 REMARK 200 DATA REDUNDANCY IN SHELL : 6.00 REMARK 200 R MERGE FOR SHELL (I) : 0.29500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIFFERENCE FOURIER REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: PDB ENTRY 2D1E REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.07 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.57 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.7M AMMONIUM SULFATE, 2% PEG 400, REMARK 280 0.1M HEPES (PH 7.0), VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 35.34050 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 47.85050 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 35.34050 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 47.85050 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: BIOLOGICAL UNIT IS THE SAME AS ASYM. 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 A 458 LIES ON A SPECIAL POSITION. 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 1 REMARK 465 ALA A 2 REMARK 465 VAL A 3 REMARK 465 THR A 4 REMARK 465 ASP A 5 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 CYS A 104 CA - CB - SG ANGL. DEV. = 10.5 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 LEU A 53 -102.16 -113.48 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BLA A 1130 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2D1E RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH BILIVERDIN IXALPHA REMARK 900 RELATED ID: 2DKE RELATED DB: PDB REMARK 900 THE SAME PROTEIN OF SUBSTRATE FREE-FORM REMARK 900 RELATED ID: 3I8U RELATED DB: PDB REMARK 900 RELATED ID: 3I94 RELATED DB: PDB DBREF 3I95 A 1 248 UNP Q55891 PCYA_SYNY3 1 248 SEQADV 3I95 GLN A 76 UNP Q55891 GLU 76 ENGINEERED SEQRES 1 A 248 MET ALA VAL THR ASP LEU SER LEU THR ASN SER SER LEU SEQRES 2 A 248 MET PRO THR LEU ASN PRO MET ILE GLN GLN LEU ALA LEU SEQRES 3 A 248 ALA ILE ALA ALA SER TRP GLN SER LEU PRO LEU LYS PRO SEQRES 4 A 248 TYR GLN LEU PRO GLU ASP LEU GLY TYR VAL GLU GLY ARG SEQRES 5 A 248 LEU GLU GLY GLU LYS LEU VAL ILE GLU ASN ARG CYS TYR SEQRES 6 A 248 GLN THR PRO GLN PHE ARG LYS MET HIS LEU GLN LEU ALA SEQRES 7 A 248 LYS VAL GLY LYS GLY LEU ASP ILE LEU HIS CYS VAL MET SEQRES 8 A 248 PHE PRO GLU PRO LEU TYR GLY LEU PRO LEU PHE GLY CYS SEQRES 9 A 248 ASP ILE VAL ALA GLY PRO GLY GLY VAL SER ALA ALA ILE SEQRES 10 A 248 ALA ASP LEU SER PRO THR GLN SER ASP ARG GLN LEU PRO SEQRES 11 A 248 ALA ALA TYR GLN LYS SER LEU ALA GLU LEU GLY GLN PRO SEQRES 12 A 248 GLU PHE GLU GLN GLN ARG GLU LEU PRO PRO TRP GLY GLU SEQRES 13 A 248 ILE PHE SER GLU TYR CYS LEU PHE ILE ARG PRO SER ASN SEQRES 14 A 248 VAL THR GLU GLU GLU ARG PHE VAL GLN ARG VAL VAL ASP SEQRES 15 A 248 PHE LEU GLN ILE HIS CYS HIS GLN SER ILE VAL ALA GLU SEQRES 16 A 248 PRO LEU SER GLU ALA GLN THR LEU GLU HIS ARG GLN GLY SEQRES 17 A 248 GLN ILE HIS TYR CYS GLN GLN GLN GLN LYS ASN ASP LYS SEQRES 18 A 248 THR ARG ARG VAL LEU GLU LYS ALA PHE GLY GLU ALA TRP SEQRES 19 A 248 ALA GLU ARG TYR MET SER GLN VAL LEU PHE ASP VAL ILE SEQRES 20 A 248 GLN HET BLA A1130 44 HETNAM BLA BILIVERDINE IX ALPHA FORMUL 2 BLA C33 H34 N4 O6 FORMUL 3 HOH *334(H2 O) HELIX 1 1 LEU A 13 LEU A 17 5 5 HELIX 2 2 ASN A 18 GLN A 33 1 16 HELIX 3 3 LEU A 42 LEU A 46 5 5 HELIX 4 4 PRO A 95 GLY A 98 5 4 HELIX 5 5 PRO A 130 GLU A 139 1 10 HELIX 6 6 PRO A 152 PHE A 158 5 7 HELIX 7 7 ASN A 169 ALA A 194 1 26 HELIX 8 8 SER A 198 GLN A 217 1 20 HELIX 9 9 ASN A 219 GLY A 231 1 13 HELIX 10 10 GLY A 231 VAL A 242 1 12 SHEET 1 A 3 LYS A 38 PRO A 39 0 SHEET 2 A 3 LEU A 58 GLN A 66 -1 O GLN A 66 N LYS A 38 SHEET 3 A 3 TYR A 48 GLY A 51 -1 N VAL A 49 O ILE A 60 SHEET 1 B 7 LYS A 38 PRO A 39 0 SHEET 2 B 7 LEU A 58 GLN A 66 -1 O GLN A 66 N LYS A 38 SHEET 3 B 7 PHE A 70 VAL A 80 -1 O MET A 73 N TYR A 65 SHEET 4 B 7 LEU A 84 PRO A 93 -1 O PHE A 92 N LYS A 72 SHEET 5 B 7 LEU A 101 GLY A 109 -1 O ALA A 108 N ASP A 85 SHEET 6 B 7 GLY A 112 SER A 121 -1 O SER A 121 N LEU A 101 SHEET 7 B 7 LEU A 163 ILE A 165 -1 O LEU A 163 N ALA A 118 SITE 1 AC1 30 SER A 34 GLN A 76 ILE A 86 HIS A 88 SITE 2 AC1 30 VAL A 90 GLY A 103 CYS A 104 ASP A 105 SITE 3 AC1 30 VAL A 107 SER A 114 ALA A 115 ILE A 117 SITE 4 AC1 30 ARG A 149 PHE A 158 PHE A 164 GLN A 216 SITE 5 AC1 30 ASN A 219 LYS A 221 THR A 222 VAL A 225 SITE 6 AC1 30 LEU A 226 LEU A 243 PHE A 244 HOH A 277 SITE 7 AC1 30 HOH A 385 HOH A 389 HOH A 420 HOH A 448 SITE 8 AC1 30 HOH A 452 HOH A 454 CRYST1 70.681 95.701 42.727 90.00 90.00 90.00 P 21 21 2 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 0.014148 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010449 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023404 0.00000 MASTER 303 0 1 10 10 0 8 6 0 0 0 20 END