HEADER BILIVERDIN-IX BETA REDUCTASE 18-NOV-00 1HE3 TITLE HUMAN BILIVERDIN IX BETA REDUCTASE: NADP/MESOBILIVERDIN IV ALPHA TITLE 2 TERNARY COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: BILIVERDIN IX BETA REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: FLAVIN REDUCTASE (EC 1.6.99.1), NADPH-DEPENDENT DIAPHORASE, COMPND 5 NADPH-FLAVIN REDUCTASE, BILIVERDIN REDUCTASE B, GREEN HEME BINDING COMPND 6 PROTEIN; COMPND 7 EC: 1.3.1.24; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS BILIVERDIN-IX BETA REDUCTASE, FOETAL METABOLISM, HAEM DEGRADATION, KEYWDS 2 FLAVIN REDUCTASE, DIAPHORASE, GREEN HAEM BINDING PROTEIN, KEYWDS 3 METHAEMOGLOBIN REDUCTASE, ALPHA/BETA DINUCLEOTIDE BINDING FOLD EXPDTA X-RAY DIFFRACTION AUTHOR P.J.B.PEREIRA,S.MACEDO-RIBEIRO,A.PARRAGA,R.PEREZ-LUQUE,O.CUNNINGHAM, AUTHOR 2 K.DARCY,T.J.MANTLE,M.COLL REVDAT 4 13-DEC-23 1HE3 1 REMARK REVDAT 3 22-MAY-19 1HE3 1 REMARK ATOM REVDAT 2 24-FEB-09 1HE3 1 VERSN REVDAT 1 28-FEB-01 1HE3 0 JRNL AUTH P.J.B.PEREIRA,S.MACEDO-RIBEIRO,A.PARRAGA,R.PEREZ-LUQUE, JRNL AUTH 2 O.CUNNINGHAM,K.DARCY,T.J.MANTLE,M.COLL JRNL TITL STRUCTURE OF HUMAN BILIVERDIN IX BETA REDUCTASE, AN EARLY JRNL TITL 2 FETAL BILIRUBIN IX PRODUCING ENZYME JRNL REF NAT.STRUCT.BIOL. V. 8 215 2001 JRNL REFN ISSN 1072-8368 JRNL PMID 11224564 JRNL DOI 10.1038/84948 REMARK 2 REMARK 2 RESOLUTION. 1.40 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) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE 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) : 0.138 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.132 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.181 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 2115 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 42030 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.135 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.128 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.175 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 1894 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 37627 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1535 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 91 REMARK 3 SOLVENT ATOMS : 289 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 1860.3 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 13 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 17592 REMARK 3 NUMBER OF RESTRAINTS : 21427 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 ANGLE DISTANCES (A) : 0.027 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.026 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.019 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.027 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.015 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.004 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.028 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.080 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1HE3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 18-NOV-00. REMARK 100 THE DEPOSITION ID IS D_1290005566. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAY-00 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9310 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 42097 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 44.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.1000 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) : 1.48 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.18300 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1HDO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 3350, 0.2 M AMMONIUM SULFATE, REMARK 280 0.1 M SODIUM CACODYLATE PH 6.5. NADP ADDED TO A FINAL REMARK 280 CONCENTRATION OF 2.5 MM, PH 6.50 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 20.10000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 53.55000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 24.70000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 53.55000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 20.10000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 24.70000 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: MONOMER 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 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 GLN A 206 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LYS A 4 CD CE NZ REMARK 480 THR A 119 CB OG1 CG2 REMARK 480 LYS A 120 CB CG CD CE NZ REMARK 480 ARG A 124 CD NE CZ NH1 NH2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 NH1 ARG A 124 NE2 GLN A 204 4545 2.06 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 ARG A 39 CD - NE - CZ ANGL. DEV. = 17.9 DEGREES REMARK 500 ARG A 39 NE - CZ - NH1 ANGL. DEV. = 5.4 DEGREES REMARK 500 ASP A 54 CB - CG - OD1 ANGL. DEV. = 5.7 DEGREES REMARK 500 ARG A 78 NE - CZ - NH2 ANGL. DEV. = -6.0 DEGREES REMARK 500 ARG A 140 NE - CZ - NH1 ANGL. DEV. = -3.8 DEGREES REMARK 500 ARG A 140 NE - CZ - NH2 ANGL. DEV. = 4.5 DEGREES REMARK 500 TYR A 146 CB - CG - CD1 ANGL. DEV. = 4.6 DEGREES REMARK 500 MET A 185 CA - CB - CG ANGL. DEV. = 11.1 DEGREES REMARK 500 MET A 185 CA - CB - CG ANGL. DEV. = -13.3 DEGREES REMARK 500 ARG A 187 CD - NE - CZ ANGL. DEV. = 13.2 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 ARG A 78 -116.80 47.86 REMARK 500 THR A 110 -108.58 -117.91 REMARK 500 PRO A 118 19.86 -66.99 REMARK 500 PRO A 152 -153.25 -80.89 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 A2009 DISTANCE = 7.56 ANGSTROMS REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 MBV A 1207 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP A1206 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MBV A1207 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1HDO RELATED DB: PDB REMARK 900 HUMAN BILIVERDIN IX BETA REDUCTASE: NADP COMPLEX REMARK 900 RELATED ID: 1HE2 RELATED DB: PDB REMARK 900 HUMAN BILIVERDIN IX BETA REDUCTASE: NADP/BILIVERDIN IX ALPHA REMARK 900 TERNARY COMPLEX REMARK 900 RELATED ID: 1HE4 RELATED DB: PDB REMARK 900 HUMAN BILIVERDIN IX BETA REDUCTASE: NADP/FMN TERNARY COMPLEX REMARK 900 RELATED ID: 1HE5 RELATED DB: PDB REMARK 900 HUMAN BILIVERDIN IX BETA REDUCTASE: NADP/LUMICHROME TERNARY COMPLEX REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE PDB ENTRY CONTAINS AN EXTRA N-TERMINAL METHIONINE DBREF 1HE3 A 1 1 PDB 1HE3 1HE3 1 1 DBREF 1HE3 A 2 205 UNP P30043 FLRE_HUMAN 1 204 SEQRES 1 A 206 MET ALA VAL LYS LYS ILE ALA ILE PHE GLY ALA THR GLY SEQRES 2 A 206 GLN THR GLY LEU THR THR LEU ALA GLN ALA VAL GLN ALA SEQRES 3 A 206 GLY TYR GLU VAL THR VAL LEU VAL ARG ASP SER SER ARG SEQRES 4 A 206 LEU PRO SER GLU GLY PRO ARG PRO ALA HIS VAL VAL VAL SEQRES 5 A 206 GLY ASP VAL LEU GLN ALA ALA ASP VAL ASP LYS THR VAL SEQRES 6 A 206 ALA GLY GLN ASP ALA VAL ILE VAL LEU LEU GLY THR ARG SEQRES 7 A 206 ASN ASP LEU SER PRO THR THR VAL MET SER GLU GLY ALA SEQRES 8 A 206 ARG ASN ILE VAL ALA ALA MET LYS ALA HIS GLY VAL ASP SEQRES 9 A 206 LYS VAL VAL ALA CYS THR SER ALA PHE LEU LEU TRP ASP SEQRES 10 A 206 PRO THR LYS VAL PRO PRO ARG LEU GLN ALA VAL THR ASP SEQRES 11 A 206 ASP HIS ILE ARG MET HIS LYS VAL LEU ARG GLU SER GLY SEQRES 12 A 206 LEU LYS TYR VAL ALA VAL MET PRO PRO HIS ILE GLY ASP SEQRES 13 A 206 GLN PRO LEU THR GLY ALA TYR THR VAL THR LEU ASP GLY SEQRES 14 A 206 ARG GLY PRO SER ARG VAL ILE SER LYS HIS ASP LEU GLY SEQRES 15 A 206 HIS PHE MET LEU ARG CYS LEU THR THR ASP GLU TYR ASP SEQRES 16 A 206 GLY HIS SER THR TYR PRO SER HIS GLN TYR GLN HET NAP A1206 48 HET MBV A1207 43 HETNAM NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE HETNAM MBV MESOBILIVERDIN IV ALPHA HETSYN NAP 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE FORMUL 2 NAP C21 H28 N7 O17 P3 FORMUL 3 MBV C33 H38 N4 O6 FORMUL 4 HOH *289(H2 O) HELIX 1 1 GLY A 13 GLY A 27 1 15 HELIX 2 2 ASP A 36 LEU A 40 5 5 HELIX 3 3 GLN A 57 ALA A 66 1 10 HELIX 4 4 THR A 85 GLY A 102 1 18 HELIX 5 5 SER A 111 LEU A 115 5 5 HELIX 6 6 PRO A 122 ARG A 124 5 3 HELIX 7 7 LEU A 125 SER A 142 1 18 HELIX 8 8 LYS A 178 CYS A 188 1 11 SHEET 1 AA 8 HIS A 49 VAL A 52 0 SHEET 2 AA 8 GLU A 29 VAL A 34 1 O VAL A 30 N HIS A 49 SHEET 3 AA 8 LYS A 5 PHE A 9 1 O ILE A 6 N THR A 31 SHEET 4 AA 8 ALA A 70 VAL A 73 1 O ALA A 70 N ALA A 7 SHEET 5 AA 8 LYS A 105 CYS A 109 1 O LYS A 105 N VAL A 71 SHEET 6 AA 8 LYS A 145 VAL A 149 1 O LYS A 145 N VAL A 106 SHEET 7 AA 8 SER A 198 SER A 202 1 N THR A 199 O ALA A 148 SHEET 8 AA 8 THR A 164 THR A 166 -1 O THR A 164 N SER A 202 SHEET 1 AB 2 HIS A 153 GLY A 155 0 SHEET 2 AB 2 VAL A 175 SER A 177 1 O ILE A 176 N GLY A 155 SITE 1 AC1 35 GLY A 10 THR A 12 GLY A 13 GLN A 14 SITE 2 AC1 35 THR A 15 ARG A 35 ARG A 39 ASP A 54 SITE 3 AC1 35 VAL A 55 LEU A 74 LEU A 75 GLY A 76 SITE 4 AC1 35 ARG A 78 MET A 87 CYS A 109 THR A 110 SITE 5 AC1 35 SER A 111 HIS A 132 PRO A 151 PRO A 152 SITE 6 AC1 35 HIS A 153 ILE A 154 MBV A1207 HOH A2028 SITE 7 AC1 35 HOH A2071 HOH A2280 HOH A2281 HOH A2282 SITE 8 AC1 35 HOH A2283 HOH A2284 HOH A2285 HOH A2286 SITE 9 AC1 35 HOH A2287 HOH A2288 HOH A2289 SITE 1 AC2 14 THR A 77 ARG A 78 ASP A 80 LEU A 81 SITE 2 AC2 14 PHE A 113 TRP A 116 LEU A 125 PRO A 151 SITE 3 AC2 14 PRO A 152 HIS A 153 ARG A 174 NAP A1206 SITE 4 AC2 14 HOH A2285 HOH A2289 CRYST1 40.200 49.400 107.100 90.00 90.00 90.00 P 21 21 21 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 0.024876 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020243 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009337 0.00000