HEADER OXIDOREDUCTASE 17-AUG-05 2D1E TITLE CRYSTAL STRUCTURE OF PCYA-BILIVERDIN COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHYCOCYANOBILIN:FERREDOXIN OXIDOREDUCTASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.3.7.5; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SYNECHOCYSTIS SP.; SOURCE 3 ORGANISM_TAXID: 1148; SOURCE 4 STRAIN: PCC 6803; 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, ENZYME-SUBSTRATE COMPLEX, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.HAGIWARA,M.SUGISHIMA,Y.TAKAHASHI,K.FUKUYAMA REVDAT 5 13-MAR-24 2D1E 1 REMARK LINK REVDAT 4 11-OCT-17 2D1E 1 REMARK REVDAT 3 13-JUL-11 2D1E 1 VERSN REVDAT 2 24-FEB-09 2D1E 1 VERSN REVDAT 1 24-JAN-06 2D1E 0 JRNL AUTH Y.HAGIWARA,M.SUGISHIMA,Y.TAKAHASHI,K.FUKUYAMA JRNL TITL CRYSTAL STRUCTURE OF PHYCOCYANOBILIN:FERREDOXIN JRNL TITL 2 OXIDOREDUCTASE IN COMPLEX WITH BILIVERDIN IXALPHA, A KEY JRNL TITL 3 ENZYME IN THE BIOSYNTHESIS OF PHYCOCYANOBILIN JRNL REF PROC.NATL.ACAD.SCI.USA V. 103 27 2006 JRNL REFN ISSN 0027-8424 JRNL PMID 16380422 JRNL DOI 10.1073/PNAS.0507266103 REMARK 2 REMARK 2 RESOLUTION. 1.51 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.51 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 47.67 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 45672 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) : 0.158 REMARK 3 R VALUE (WORKING SET) : 0.157 REMARK 3 FREE R VALUE : 0.183 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2304 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) : 1.51 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.55 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3065 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.70 REMARK 3 BIN R VALUE (WORKING SET) : 0.2230 REMARK 3 BIN FREE R VALUE SET COUNT : 161 REMARK 3 BIN FREE R VALUE : 0.2970 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1934 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 363 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.22 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.04000 REMARK 3 B22 (A**2) : -0.06000 REMARK 3 B33 (A**2) : 0.02000 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): 0.065 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.067 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.042 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.113 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.973 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.965 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2118 ; 0.017 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1932 ; 0.003 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2876 ; 1.704 ; 1.998 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4532 ; 1.038 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 242 ; 6.227 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 107 ;37.163 ;24.766 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 386 ;13.526 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 14 ;16.618 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 309 ; 0.100 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2302 ; 0.011 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 411 ; 0.020 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 477 ; 0.229 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 2087 ; 0.193 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1013 ; 0.185 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 1204 ; 0.089 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 256 ; 0.196 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 1 ; 0.247 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 15 ; 0.113 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 72 ; 0.223 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 32 ; 0.188 ; 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): 1232 ; 1.030 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 485 ; 0.290 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2014 ; 1.829 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 919 ; 2.652 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 862 ; 4.274 ; 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): 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 : 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 RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2D1E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 22-AUG-05. REMARK 100 THE DEPOSITION ID IS D_1000024867. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-JUN-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL41XU 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 MONOCHROMATOR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 45715 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.510 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 7.800 REMARK 200 R MERGE (I) : 0.07800 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) : 1.51 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.56 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.90 REMARK 200 R MERGE FOR SHELL (I) : 0.33500 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: MIRAS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, SODIUM CACODYLATE, REMARK 280 SODIUM CHLORIDE, PH 6.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K 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 35.41300 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 47.49850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 35.41300 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 47.49850 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 IN THE ASYMMETRIC UNIT. 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 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 A1186 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 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 GLN A 142 CG CD OE1 NE2 REMARK 470 GLU A 144 CG CD OE1 OE2 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 HOH A 1257 O HOH A 1492 1.95 REMARK 500 OD2 ASP A 182 O HOH A 1298 2.14 REMARK 500 O SER A 7 O HOH A 1398 2.18 REMARK 500 REMARK 500 REMARK: NULL 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. = 12.7 DEGREES REMARK 500 ARG A 166 NE - CZ - NH1 ANGL. DEV. = -3.2 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 -103.87 -115.59 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 NA A 249 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BLA A 1130 DBREF 2D1E A 1 248 UNP Q55891 PCYA_SYNY3 1 248 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 GLU 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 NA A 249 1 HET BLA A1130 43 HETNAM NA SODIUM ION HETNAM BLA BILIVERDINE IX ALPHA FORMUL 2 NA NA 1+ FORMUL 3 BLA C33 H34 N4 O6 FORMUL 4 HOH *363(H2 O) HELIX 1 1 SER A 7 SER A 11 5 5 HELIX 2 2 LEU A 13 LEU A 17 5 5 HELIX 3 3 ASN A 18 GLN A 33 1 16 HELIX 4 4 LEU A 42 LEU A 46 5 5 HELIX 5 5 PRO A 95 GLY A 98 5 4 HELIX 6 6 PRO A 130 GLU A 139 1 10 HELIX 7 7 PRO A 152 PHE A 158 5 7 HELIX 8 8 ASN A 169 VAL A 193 1 25 HELIX 9 9 SER A 198 GLN A 217 1 20 HELIX 10 10 ASN A 219 GLY A 231 1 13 HELIX 11 11 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 LINK OE1AGLU A 50 NA NA A 249 1555 1555 2.16 SITE 1 AC1 4 TYR A 48 GLU A 50 LYS A 57 HOH A1455 SITE 1 AC2 26 SER A 34 GLU A 76 ILE A 86 HIS A 88 SITE 2 AC2 26 VAL A 90 GLY A 103 ASP A 105 VAL A 107 SITE 3 AC2 26 SER A 114 ALA A 115 ILE A 117 ARG A 149 SITE 4 AC2 26 PHE A 158 PHE A 164 GLN A 216 ASN A 219 SITE 5 AC2 26 LYS A 221 THR A 222 VAL A 225 PHE A 244 SITE 6 AC2 26 HOH A1171 HOH A1196 HOH A1223 HOH A1233 SITE 7 AC2 26 HOH A1274 HOH A1299 CRYST1 70.826 94.997 42.675 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 0.014120 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010530 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023430 0.00000