HEADER OXIDOREDUCTASE 04-APR-16 5B4H TITLE CRYSTAL STRUCTURE OF I86D MUTANT OF PHYCOCYANOBILIN:FERREDOXIN TITLE 2 OXIDOREDUCTASE IN COMPLEX WITH BILIVERDIN (DATA 1) 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; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SYNECHOCYSTIS SP. PCC 6803; SOURCE 3 ORGANISM_TAXID: 1148; SOURCE 4 STRAIN: PCC 6803; SOURCE 5 GENE: PCYA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET21A(+) KEYWDS OXIDOREDUCTASE, PHOTOSYNTHESIS PIGMENT, HEME METABOLISM EXPDTA X-RAY DIFFRACTION AUTHOR Y.HAGIWARA,K.WADA,T.IRIKAWA,M.UNNO,K.FUKUYAMA,M.SUGISHIMA REVDAT 3 08-NOV-23 5B4H 1 REMARK REVDAT 2 26-FEB-20 5B4H 1 REMARK REVDAT 1 15-MAR-17 5B4H 0 JRNL AUTH Y.HAGIWARA,K.WADA,T.IRIKAWA,H.SATO,M.UNNO,K.YAMAMOTO, JRNL AUTH 2 K.FUKUYAMA,M.SUGISHIMA JRNL TITL ATOMIC-RESOLUTION STRUCTURE OF THE JRNL TITL 2 PHYCOCYANOBILIN:FERREDOXIN OXIDOREDUCTASE I86D MUTANT IN JRNL TITL 3 COMPLEX WITH FULLY PROTONATED BILIVERDIN JRNL REF FEBS LETT. V. 590 3425 2016 JRNL REFN ISSN 1873-3468 JRNL PMID 27596987 JRNL DOI 10.1002/1873-3468.12387 REMARK 2 REMARK 2 RESOLUTION. 1.11 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) : 1.11 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT 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) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.122 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.156 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 107598 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL 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)) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1912 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 378 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2328.9 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 38 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.016 REMARK 3 ANGLE DISTANCES (A) : 0.032 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.005 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.096 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.087 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.038 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.051 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.155 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : NULL REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE R REMARK 3 (NO CUTOFF) BY ? REMARK 4 REMARK 4 5B4H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 08-APR-16. REMARK 100 THE DEPOSITION ID IS D_1300000514. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-FEB-10 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) : 0.9000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU JUPITER 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 113410 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.100 REMARK 200 RESOLUTION RANGE LOW (A) : 56.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 14.20 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06400 REMARK 200 FOR THE DATA SET : 14.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.15 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.37000 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: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: PHENIX, SHELX REMARK 200 STARTING MODEL: 4QCD REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.27 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.55 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CITRATE, SODIUM CHLORIDE, TRIS, REMARK 280 PH 7.0, VAPOR DIFFUSION, HANGING DROP, 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 35.41650 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 47.84550 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 35.41650 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 47.84550 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 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 TOTAL BURIED SURFACE AREA: 1260 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11200 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -17.0 KCAL/MOL 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 729 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 465 LEU A 6 REMARK 465 SER A 7 REMARK 465 GLN A 248 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 ASN A 10 CG OD1 ND2 REMARK 470 GLU A 144 CG CD OE1 OE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 76 CD GLU A 76 OE2 -0.096 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 GLU A 50 CG - CD - OE1 ANGL. DEV. = 14.1 DEGREES REMARK 500 ASP A 86 CB - CG - OD1 ANGL. DEV. = -6.3 DEGREES REMARK 500 CYS A 104 CA - CB - SG ANGL. DEV. = 20.7 DEGREES REMARK 500 ARG A 127 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 ARG A 166 NE - CZ - NH1 ANGL. DEV. = -8.0 DEGREES REMARK 500 ARG A 166 NE - CZ - NH2 ANGL. DEV. = 8.2 DEGREES REMARK 500 ARG A 179 NH1 - CZ - NH2 ANGL. DEV. = 14.3 DEGREES REMARK 500 ARG A 179 NE - CZ - NH2 ANGL. DEV. = -16.2 DEGREES REMARK 500 ARG A 224 CD - NE - CZ ANGL. DEV. = 8.9 DEGREES REMARK 500 ARG A 224 NH1 - CZ - NH2 ANGL. DEV. = -9.7 DEGREES REMARK 500 ARG A 224 NE - CZ - NH1 ANGL. DEV. = 19.6 DEGREES REMARK 500 ARG A 224 NE - CZ - NH2 ANGL. DEV. = -10.1 DEGREES REMARK 500 ARG A 237 NE - CZ - NH1 ANGL. DEV. = 5.0 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 -110.28 -118.55 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 777 DISTANCE = 6.08 ANGSTROMS REMARK 525 HOH A 778 DISTANCE = 6.15 ANGSTROMS 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 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5B4I RELATED DB: PDB REMARK 900 RELATED ID: 5B4J RELATED DB: PDB DBREF 5B4H A 1 248 UNP Q55891 PCYA_SYNY3 1 248 SEQADV 5B4H ASP A 86 UNP Q55891 ILE 86 ENGINEERED MUTATION 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 ASP 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 A 301 43 HETNAM BLA BILIVERDINE IX ALPHA FORMUL 2 BLA C33 H34 N4 O6 FORMUL 3 HOH *378(H2 O) HELIX 1 AA1 LEU A 13 LEU A 17 5 5 HELIX 2 AA2 ASN A 18 GLN A 33 1 16 HELIX 3 AA3 LEU A 42 LEU A 46 5 5 HELIX 4 AA4 PRO A 95 GLY A 98 5 4 HELIX 5 AA5 PRO A 130 GLU A 139 1 10 HELIX 6 AA6 PRO A 152 PHE A 158 5 7 HELIX 7 AA7 ASN A 169 ALA A 194 1 26 HELIX 8 AA8 SER A 198 GLN A 217 1 20 HELIX 9 AA9 ASN A 219 GLY A 231 1 13 HELIX 10 AB1 GLY A 231 VAL A 242 1 12 SHEET 1 AA1 3 LYS A 38 PRO A 39 0 SHEET 2 AA1 3 LEU A 58 GLN A 66 -1 O GLN A 66 N LYS A 38 SHEET 3 AA1 3 TYR A 48 GLY A 51 -1 N VAL A 49 O ILE A 60 SHEET 1 AA2 7 LYS A 38 PRO A 39 0 SHEET 2 AA2 7 LEU A 58 GLN A 66 -1 O GLN A 66 N LYS A 38 SHEET 3 AA2 7 PHE A 70 VAL A 80 -1 O LEU A 77 N GLU A 61 SHEET 4 AA2 7 LEU A 84 PRO A 93 -1 O PHE A 92 N LYS A 72 SHEET 5 AA2 7 LEU A 101 GLY A 109 -1 O ALA A 108 N ASP A 85 SHEET 6 AA2 7 GLY A 112 SER A 121 -1 O ALA A 115 N VAL A 107 SHEET 7 AA2 7 LEU A 163 ILE A 165 -1 O LEU A 163 N ALA A 118 SITE 1 AC1 28 SER A 34 GLU A 76 ASP A 86 HIS A 88 SITE 2 AC1 28 VAL A 90 GLY A 103 CYS A 104 ASP A 105 SITE 3 AC1 28 VAL A 107 SER A 114 ALA A 115 ILE A 117 SITE 4 AC1 28 ARG A 149 PHE A 158 PHE A 164 ILE A 192 SITE 5 AC1 28 GLN A 216 ASN A 219 LYS A 221 THR A 222 SITE 6 AC1 28 VAL A 225 PHE A 244 HOH A 401 HOH A 430 SITE 7 AC1 28 HOH A 446 HOH A 467 HOH A 492 HOH A 536 CRYST1 70.833 95.691 42.398 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 0.014118 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010450 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023586 0.00000