HEADER OXIDOREDUCTASE 06-DEC-22 8FEW TITLE FLAVANONE 4-REDUCTASE FROM SORGHUM BICOLOR-NARINGENIN COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: 3-DEOXYANTHOCYANIDIN SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SORGHUM BICOLOR; SOURCE 3 ORGANISM_COMMON: SORGHUM; SOURCE 4 ORGANISM_TAXID: 4558; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS SDR TYPE PROTEIN, FLAVANONE, SORGHUM, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR B.ZHANG,C.KANG REVDAT 2 11-OCT-23 8FEW 1 JRNL REVDAT 1 20-SEP-23 8FEW 0 JRNL AUTH J.A.LEWIS,B.ZHANG,R.HARZA,N.PALMER,G.SARATH,S.E.SATTLER, JRNL AUTH 2 P.TWIGG,W.VERMERRIS,C.KANG JRNL TITL STRUCTURAL SIMILARITIES AND OVERLAPPING ACTIVITIES AMONG JRNL TITL 2 DIHYDROFLAVONOL 4-REDUCTASE, FLAVANONE 4-REDUCTASE, AND JRNL TITL 3 ANTHOCYANIDIN REDUCTASE OFFER METABOLIC FLEXIBILITY IN THE JRNL TITL 4 FLAVONOID PATHWAY. JRNL REF INT J MOL SCI V. 24 2023 JRNL REFN ESSN 1422-0067 JRNL PMID 37762209 JRNL DOI 10.3390/IJMS241813901 REMARK 2 REMARK 2 RESOLUTION. 2.02 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.02 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 47.61 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 93676 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.212 REMARK 3 R VALUE (WORKING SET) : 0.212 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.140 REMARK 3 FREE R VALUE TEST SET COUNT : 2000 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 47.6100 - 4.8700 1.00 6879 150 0.1678 0.1723 REMARK 3 2 4.8700 - 3.8600 1.00 6665 145 0.1601 0.1759 REMARK 3 3 3.8600 - 3.3800 1.00 6589 144 0.1920 0.2254 REMARK 3 4 3.3800 - 3.0700 1.00 6553 143 0.2216 0.2138 REMARK 3 5 3.0700 - 2.8500 1.00 6548 143 0.2436 0.3013 REMARK 3 6 2.8500 - 2.6800 1.00 6550 143 0.2493 0.2653 REMARK 3 7 2.6800 - 2.5400 1.00 6514 142 0.2560 0.2716 REMARK 3 8 2.5400 - 2.4300 1.00 6524 143 0.2806 0.3005 REMARK 3 9 2.4300 - 2.3400 1.00 6481 141 0.2782 0.2868 REMARK 3 10 2.3400 - 2.2600 0.99 6470 141 0.3133 0.3755 REMARK 3 11 2.2600 - 2.1900 1.00 6474 141 0.3643 0.3757 REMARK 3 12 2.1900 - 2.1300 1.00 6473 141 0.3103 0.3344 REMARK 3 13 2.1300 - 2.0700 1.00 6497 142 0.3317 0.3353 REMARK 3 14 2.0700 - 2.0200 1.00 6459 141 0.3694 0.4002 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.310 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 28.260 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 5338 REMARK 3 ANGLE : 0.926 7246 REMARK 3 CHIRALITY : 0.055 816 REMARK 3 PLANARITY : 0.008 934 REMARK 3 DIHEDRAL : 7.274 726 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8FEW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-DEC-22. REMARK 100 THE DEPOSITION ID IS D_1000270559. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-JUN-22 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9765 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 93749 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.020 REMARK 200 RESOLUTION RANGE LOW (A) : 47.610 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 2.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.3200 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.02 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.09 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 73.81 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.70 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M HEPES, PH 7.5, 2 M AMMONIUM REMARK 280 SULFATE AND 2 % PEG 400, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 3555 -Y,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X,Z+3/4 REMARK 290 5555 -X+1/2,Y,-Z+3/4 REMARK 290 6555 X,-Y+1/2,-Z+1/4 REMARK 290 7555 Y+1/2,X+1/2,-Z+1/2 REMARK 290 8555 -Y,-X,-Z REMARK 290 9555 X+1/2,Y+1/2,Z+1/2 REMARK 290 10555 -X,-Y,Z REMARK 290 11555 -Y+1/2,X,Z+3/4 REMARK 290 12555 Y,-X+1/2,Z+1/4 REMARK 290 13555 -X,Y+1/2,-Z+1/4 REMARK 290 14555 X+1/2,-Y,-Z+3/4 REMARK 290 15555 Y,X,-Z REMARK 290 16555 -Y+1/2,-X+1/2,-Z+1/2 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 82.53450 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 82.53450 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 104.29950 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 82.53450 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 52.14975 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 82.53450 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 156.44925 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 82.53450 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 156.44925 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 82.53450 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 52.14975 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 82.53450 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 82.53450 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 104.29950 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 1.000000 0.000000 0.000000 82.53450 REMARK 290 SMTRY2 9 0.000000 1.000000 0.000000 82.53450 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 104.29950 REMARK 290 SMTRY1 10 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 11 0.000000 -1.000000 0.000000 82.53450 REMARK 290 SMTRY2 11 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 1.000000 156.44925 REMARK 290 SMTRY1 12 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 12 -1.000000 0.000000 0.000000 82.53450 REMARK 290 SMTRY3 12 0.000000 0.000000 1.000000 52.14975 REMARK 290 SMTRY1 13 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 82.53450 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 52.14975 REMARK 290 SMTRY1 14 1.000000 0.000000 0.000000 82.53450 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 156.44925 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 15 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 82.53450 REMARK 290 SMTRY2 16 -1.000000 0.000000 0.000000 82.53450 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 104.29950 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 SER A 2 REMARK 465 SER A 3 REMARK 465 SER A 4 REMARK 465 ALA A 5 REMARK 465 GLY A 6 REMARK 465 ASN A 7 REMARK 465 LYS A 8 REMARK 465 LYS A 9 REMARK 465 THR A 10 REMARK 465 MET B 1 REMARK 465 SER B 2 REMARK 465 SER B 3 REMARK 465 SER B 4 REMARK 465 ALA B 5 REMARK 465 GLY B 6 REMARK 465 ASN B 7 REMARK 465 LYS B 8 REMARK 465 LYS B 9 REMARK 465 THR B 10 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 B 646 O HOH B 654 1.88 REMARK 500 O HOH B 636 O HOH B 643 2.03 REMARK 500 NE ARG A 272 O HOH A 501 2.07 REMARK 500 O HOH A 506 O HOH A 601 2.11 REMARK 500 O HOH B 666 O HOH B 677 2.13 REMARK 500 OE1 GLU B 227 O HOH B 501 2.13 REMARK 500 OE2 GLU B 227 O HOH B 502 2.15 REMARK 500 N GLY A 147 O HOH A 502 2.19 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 ASN A 44 86.65 -150.95 REMARK 500 PRO A 45 -4.74 -56.40 REMARK 500 ASP A 47 95.55 -47.69 REMARK 500 LEU A 93 -83.57 -91.89 REMARK 500 HIS A 94 -156.80 -176.37 REMARK 500 GLU A 96 94.34 -39.05 REMARK 500 ASP A 99 78.49 -119.85 REMARK 500 SER A 132 -132.62 -111.82 REMARK 500 VAL A 201 -149.13 -92.07 REMARK 500 ARG A 213 -60.08 -169.10 REMARK 500 ARG A 272 -34.91 -137.01 REMARK 500 ASN A 331 10.54 -144.67 REMARK 500 HIS B 94 105.36 62.90 REMARK 500 PHE B 95 150.29 74.16 REMARK 500 GLN B 104 -56.68 -125.06 REMARK 500 SER B 132 -133.38 -112.68 REMARK 500 VAL B 201 -154.59 -81.94 REMARK 500 ARG B 213 -60.41 -170.37 REMARK 500 ARG B 272 -36.22 -135.91 REMARK 500 REMARK 500 REMARK: NULL DBREF 8FEW A 1 344 UNP C5YGL7 C5YGL7_SORBI 1 344 DBREF 8FEW B 1 344 UNP C5YGL7 C5YGL7_SORBI 1 344 SEQRES 1 A 344 MET SER SER SER ALA GLY ASN LYS LYS THR MET LYS THR SEQRES 2 A 344 ALA CYS VAL THR GLY GLY SER GLY TYR ILE GLY SER ALA SEQRES 3 A 344 LEU ILE LYS LEU LEU LEU GLU LYS GLY TYR ALA VAL LYS SEQRES 4 A 344 THR THR VAL ARG ASN PRO ASP ASP MET GLU LYS ASN SER SEQRES 5 A 344 HIS LEU LYS ASP LEU GLN LYS LEU GLY PRO LEU THR VAL SEQRES 6 A 344 PHE ARG ALA ASP MET ASP GLU GLU GLY SER PHE ASP ASP SEQRES 7 A 344 ALA VAL ALA GLY CYS ASP TYR VAL PHE LEU VAL ALA ALA SEQRES 8 A 344 PRO LEU HIS PHE GLU ALA GLN ASP PRO GLU LYS GLU GLN SEQRES 9 A 344 ILE GLU PRO ALA ILE GLN GLY THR LEU ASN THR MET ARG SEQRES 10 A 344 SER CYS VAL LYS ALA GLY THR VAL ARG ARG VAL ILE LEU SEQRES 11 A 344 THR SER SER VAL ALA ALA VAL TYR PHE ARG PRO ASP LEU SEQRES 12 A 344 LEU GLY ASP GLY HIS GLY HIS VAL LEU ASP GLU ASP SER SEQRES 13 A 344 TRP SER ASP VAL ASP PHE LEU ARG ALA HIS LYS PRO PRO SEQRES 14 A 344 THR TRP SER HIS CYS VAL SER LYS VAL LEU LEU GLU LYS SEQRES 15 A 344 GLU ALA GLY ARG PHE ALA GLU GLU HIS GLY ILE SER LEU SEQRES 16 A 344 VAL THR ILE LEU PRO VAL ILE VAL VAL GLY ALA ALA PRO SEQRES 17 A 344 ALA PRO LYS ALA ARG SER SER ILE VAL ASP CYS LEU SER SEQRES 18 A 344 MET LEU SER GLY ASP GLU ALA GLY LEU ALA MET LEU ARG SEQRES 19 A 344 ALA ILE GLN LYS THR SER GLY GLU VAL GLN LEU VAL HIS SEQRES 20 A 344 VAL ASP ASP LEU CYS ARG ALA GLU LEU PHE LEU ALA GLU SEQRES 21 A 344 ASN ALA THR ALA ASN GLY ARG TYR ILE CYS SER ARG TYR SEQRES 22 A 344 HIS PRO THR LEU VAL GLU LEU ALA THR PHE LEU ALA GLN SEQRES 23 A 344 LYS TYR PRO GLN TYR GLY VAL LYS PRO THR ASP PHE ASP SEQRES 24 A 344 ASP GLU GLU ARG PRO ARG VAL THR MET SER LEU GLU LYS SEQRES 25 A 344 LEU ILE ARG GLU GLY PHE GLU TYR LYS HIS ASN THR LEU SEQRES 26 A 344 GLU GLU ILE TYR ASP ASN VAL VAL GLU TYR GLY LYS ALA SEQRES 27 A 344 LEU GLY ILE LEU PRO TYR SEQRES 1 B 344 MET SER SER SER ALA GLY ASN LYS LYS THR MET LYS THR SEQRES 2 B 344 ALA CYS VAL THR GLY GLY SER GLY TYR ILE GLY SER ALA SEQRES 3 B 344 LEU ILE LYS LEU LEU LEU GLU LYS GLY TYR ALA VAL LYS SEQRES 4 B 344 THR THR VAL ARG ASN PRO ASP ASP MET GLU LYS ASN SER SEQRES 5 B 344 HIS LEU LYS ASP LEU GLN LYS LEU GLY PRO LEU THR VAL SEQRES 6 B 344 PHE ARG ALA ASP MET ASP GLU GLU GLY SER PHE ASP ASP SEQRES 7 B 344 ALA VAL ALA GLY CYS ASP TYR VAL PHE LEU VAL ALA ALA SEQRES 8 B 344 PRO LEU HIS PHE GLU ALA GLN ASP PRO GLU LYS GLU GLN SEQRES 9 B 344 ILE GLU PRO ALA ILE GLN GLY THR LEU ASN THR MET ARG SEQRES 10 B 344 SER CYS VAL LYS ALA GLY THR VAL ARG ARG VAL ILE LEU SEQRES 11 B 344 THR SER SER VAL ALA ALA VAL TYR PHE ARG PRO ASP LEU SEQRES 12 B 344 LEU GLY ASP GLY HIS GLY HIS VAL LEU ASP GLU ASP SER SEQRES 13 B 344 TRP SER ASP VAL ASP PHE LEU ARG ALA HIS LYS PRO PRO SEQRES 14 B 344 THR TRP SER HIS CYS VAL SER LYS VAL LEU LEU GLU LYS SEQRES 15 B 344 GLU ALA GLY ARG PHE ALA GLU GLU HIS GLY ILE SER LEU SEQRES 16 B 344 VAL THR ILE LEU PRO VAL ILE VAL VAL GLY ALA ALA PRO SEQRES 17 B 344 ALA PRO LYS ALA ARG SER SER ILE VAL ASP CYS LEU SER SEQRES 18 B 344 MET LEU SER GLY ASP GLU ALA GLY LEU ALA MET LEU ARG SEQRES 19 B 344 ALA ILE GLN LYS THR SER GLY GLU VAL GLN LEU VAL HIS SEQRES 20 B 344 VAL ASP ASP LEU CYS ARG ALA GLU LEU PHE LEU ALA GLU SEQRES 21 B 344 ASN ALA THR ALA ASN GLY ARG TYR ILE CYS SER ARG TYR SEQRES 22 B 344 HIS PRO THR LEU VAL GLU LEU ALA THR PHE LEU ALA GLN SEQRES 23 B 344 LYS TYR PRO GLN TYR GLY VAL LYS PRO THR ASP PHE ASP SEQRES 24 B 344 ASP GLU GLU ARG PRO ARG VAL THR MET SER LEU GLU LYS SEQRES 25 B 344 LEU ILE ARG GLU GLY PHE GLU TYR LYS HIS ASN THR LEU SEQRES 26 B 344 GLU GLU ILE TYR ASP ASN VAL VAL GLU TYR GLY LYS ALA SEQRES 27 B 344 LEU GLY ILE LEU PRO TYR HET NAR A 401 32 HET SO4 A 403 5 HET SO4 A 404 5 HET NAR B 401 32 HET SO4 B 402 5 HET SO4 B 403 5 HETNAM NAR NARINGENIN HETNAM SO4 SULFATE ION FORMUL 3 NAR 2(C15 H12 O5) FORMUL 4 SO4 4(O4 S 2-) FORMUL 9 HOH *371(H2 O) HELIX 1 AA1 GLY A 21 LYS A 34 1 14 HELIX 2 AA2 ASP A 47 LYS A 59 1 13 HELIX 3 AA3 PHE A 76 ALA A 81 1 6 HELIX 4 AA4 ASP A 99 GLN A 104 1 6 HELIX 5 AA5 GLN A 104 GLY A 123 1 20 HELIX 6 AA6 SER A 133 VAL A 137 5 5 HELIX 7 AA7 ARG A 140 GLY A 145 1 6 HELIX 8 AA8 ASP A 159 LYS A 167 1 9 HELIX 9 AA9 THR A 170 HIS A 191 1 22 HELIX 10 AB1 ARG A 213 ASP A 218 1 6 HELIX 11 AB2 LEU A 220 GLY A 225 1 6 HELIX 12 AB3 ASP A 226 GLY A 241 1 16 HELIX 13 AB4 VAL A 248 ASN A 261 1 14 HELIX 14 AB5 THR A 276 TYR A 288 1 13 HELIX 15 AB6 PRO A 289 GLY A 292 5 4 HELIX 16 AB7 LYS A 294 ASP A 299 5 6 HELIX 17 AB8 LEU A 310 GLU A 316 1 7 HELIX 18 AB9 THR A 324 TYR A 329 1 6 HELIX 19 AC1 ASN A 331 GLY A 340 1 10 HELIX 20 AC2 GLY B 21 LYS B 34 1 14 HELIX 21 AC3 ASN B 51 GLN B 58 1 8 HELIX 22 AC4 PHE B 76 ALA B 81 1 6 HELIX 23 AC5 ASP B 99 GLN B 104 1 6 HELIX 24 AC6 GLN B 104 ALA B 122 1 19 HELIX 25 AC7 SER B 133 VAL B 137 5 5 HELIX 26 AC8 ARG B 140 ASP B 146 1 7 HELIX 27 AC9 ASP B 159 LYS B 167 1 9 HELIX 28 AD1 THR B 170 GLY B 192 1 23 HELIX 29 AD2 ARG B 213 GLY B 225 1 13 HELIX 30 AD3 ASP B 226 GLY B 241 1 16 HELIX 31 AD4 VAL B 248 ASN B 261 1 14 HELIX 32 AD5 THR B 276 TYR B 288 1 13 HELIX 33 AD6 PRO B 289 GLY B 292 5 4 HELIX 34 AD7 LYS B 294 ASP B 299 5 6 HELIX 35 AD8 LEU B 310 GLU B 316 1 7 HELIX 36 AD9 THR B 324 TYR B 329 1 6 HELIX 37 AE1 ASN B 331 LEU B 339 1 9 SHEET 1 AA1 7 LEU A 63 ARG A 67 0 SHEET 2 AA1 7 ALA A 37 VAL A 42 1 N VAL A 38 O THR A 64 SHEET 3 AA1 7 THR A 13 VAL A 16 1 N ALA A 14 O LYS A 39 SHEET 4 AA1 7 TYR A 85 VAL A 89 1 O PHE A 87 N CYS A 15 SHEET 5 AA1 7 ARG A 127 THR A 131 1 O THR A 131 N LEU A 88 SHEET 6 AA1 7 LEU A 195 PRO A 200 1 O ILE A 198 N LEU A 130 SHEET 7 AA1 7 GLY A 266 CYS A 270 1 O TYR A 268 N LEU A 199 SHEET 1 AA2 2 HIS A 150 LEU A 152 0 SHEET 2 AA2 2 VAL A 306 MET A 308 1 O THR A 307 N LEU A 152 SHEET 1 AA3 2 ILE A 202 VAL A 204 0 SHEET 2 AA3 2 LEU A 245 HIS A 247 1 O VAL A 246 N VAL A 204 SHEET 1 AA4 7 LEU B 63 ARG B 67 0 SHEET 2 AA4 7 ALA B 37 VAL B 42 1 N VAL B 42 O PHE B 66 SHEET 3 AA4 7 THR B 13 VAL B 16 1 N ALA B 14 O LYS B 39 SHEET 4 AA4 7 TYR B 85 VAL B 89 1 O PHE B 87 N CYS B 15 SHEET 5 AA4 7 ARG B 127 THR B 131 1 O THR B 131 N LEU B 88 SHEET 6 AA4 7 LEU B 195 PRO B 200 1 O ILE B 198 N LEU B 130 SHEET 7 AA4 7 GLY B 266 CYS B 270 1 O TYR B 268 N LEU B 199 SHEET 1 AA5 2 HIS B 150 LEU B 152 0 SHEET 2 AA5 2 VAL B 306 MET B 308 1 O THR B 307 N LEU B 152 SHEET 1 AA6 2 ILE B 202 VAL B 204 0 SHEET 2 AA6 2 LEU B 245 HIS B 247 1 O VAL B 246 N VAL B 204 CRYST1 165.069 165.069 208.599 90.00 90.00 90.00 I 41 2 2 32 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 0.006058 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006058 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004794 0.00000