HEADER UNKNOWN FUNCTION 20-JUN-25 9P6W TITLE HONEY TRUFFLE ACTIVE COMPONENT COMPND MOL_ID: 1; COMPND 2 MOLECULE: HONEY TRUFFLE ACTIVE COMPONENT; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MATTIROLOMYCES TERFEZIOIDES; SOURCE 3 ORGANISM_TAXID: 74857; SOURCE 4 EXPRESSION_SYSTEM: KOMAGATAELLA PHAFFII CBS 7435; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 981350 KEYWDS SWEET PROTEIN, DE NOVO PROTEIN, UNKNOWN FUNCTION EXPDTA SOLUTION NMR NUMMDL 18 AUTHOR C.T.MCFARLAND,D.E.CONNORS REVDAT 1 22-APR-26 9P6W 0 JRNL AUTH P.VO,D.E.CONNORS,B.P.SHARKEY,S.A.GRAVINA,G.SERVANT, JRNL AUTH 2 C.T.MCFARLAND,T.T.PITKANEN,C.D.BURK,C.P.COWEN,E.M.GREIN, JRNL AUTH 3 S.M.HENDERSON,J.P.LANGAN,L.T.RAEL,R.J.TOTMAN,A.CLARK,Z.GUO, JRNL AUTH 4 A.HAN,J.MEILEN,M.NADAL,A.WESTGATE,M.E.WILLIAMS,L.ZHANG, JRNL AUTH 5 R.PATNAIK JRNL TITL SWEET PROTEIN ALLOSTERIC BINDING AND ACTIVATION OF THE HUMAN JRNL TITL 2 T1R2/R3 SWEET RECEPTOR: A SIMULATION MODEL VALIDATED BY IN JRNL TITL 3 VITRO RECEPTOR ACTIVATION ASSAY. JRNL REF BIOCHEMISTRY V. 65 399 2026 JRNL REFN ISSN 0006-2960 JRNL PMID 41591896 JRNL DOI 10.1021/ACS.BIOCHEM.5C00622 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.T.MCFARLAND,B.ALKOTAINI,C.P.COWEN,M.G.EDWARDS,E.M.GREIN, REMARK 1 AUTH 2 A.D.HAHN,J.C.JENNINGS,R.PATNAIK,S.M.POTTER,L.T.RAEL, REMARK 1 AUTH 3 B.P.SHARKEY,S.L.TAYLOR,R.J.TOTMAN,K.VAN SIMAEYS,P.VO,D.ZHAO, REMARK 1 AUTH 4 D.E.CONNORS REMARK 1 TITL DISCOVERY, EXPRESSION, AND IN SILICO SAFETY EVALUATION OF REMARK 1 TITL 2 HONEY TRUFFLE SWEETENER, A SWEET PROTEIN DERIVED FROM REMARK 1 TITL 3 MATTIROLOMYCES TERFEZIOIDES AND PRODUCED BY HETEROLOGOUS REMARK 1 TITL 4 EXPRESSION IN KOMAGATAELLA PHAFFII REMARK 1 REF J AGRIC. FOOD CHEM. V. 72 19470 2024 REMARK 1 REFN ISSN 0021-8561 REMARK 1 DOI 10.1021/ACS.JAFC.4C04368 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER, ADAMS, CLORE, GROS, NILGES AND READ REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 100 TOTAL CALCULATED BY CYANA, 20 REMARK 3 SELECTED WITH LOWEST TARGET FUNCTION FOR CNS REFINEMENT. REMARK 4 REMARK 4 9P6W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-JUN-25. REMARK 100 THE DEPOSITION ID IS D_1000296615. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 7 REMARK 210 IONIC STRENGTH : 2.091 REMARK 210 PRESSURE : 550 TORR REMARK 210 SAMPLE CONTENTS : 0.39 MG/ML [U-13C] HT-AC, 500 MM REMARK 210 SODIUM PHOSPHATE MONOBASIC, 500 REMARK 210 MM SODIUM PHOSPHATE DIBASIC, REMARK 210 PHOSPHATE BUFFER REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-1H NOESY; 2D 1H-1H TOCSY; REMARK 210 3D HCCH-TOCSY; 2D 1H-13C HSQC; REMARK 210 3D 1H-15N NOESY; 3D HNCACB; 3D REMARK 210 HNCO; 3D CBCA(CO)NH; 2D 1H-15N REMARK 210 HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE III HD REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CYANA, AUTOASSIGN, XEASY REMARK 210 METHOD USED : MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 18 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 18 REMARK 210 CONFORMERS, SELECTION CRITERIA : ALL CALCULATED STRUCTURES REMARK 210 SUBMITTED REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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 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 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 1 VAL A 30 97.21 -66.54 REMARK 500 1 ASP A 94 67.27 61.95 REMARK 500 1 ARG A 110 78.17 44.02 REMARK 500 2 SER A 92 -178.41 -175.26 REMARK 500 2 ARG A 110 76.48 50.23 REMARK 500 3 PRO A 42 109.68 -57.72 REMARK 500 3 ILE A 56 -74.06 -59.70 REMARK 500 3 ARG A 57 35.41 -142.22 REMARK 500 3 SER A 79 118.48 -160.15 REMARK 500 3 ASP A 94 67.20 66.14 REMARK 500 3 ARG A 110 81.39 47.96 REMARK 500 4 ALA A 29 0.99 -69.10 REMARK 500 4 SER A 55 -87.36 -156.24 REMARK 500 4 ILE A 56 4.22 -165.78 REMARK 500 4 SER A 92 -177.26 -170.00 REMARK 500 4 ARG A 110 80.49 53.93 REMARK 500 5 ARG A 20 109.14 -57.67 REMARK 500 5 SER A 92 -179.20 -170.45 REMARK 500 5 ASP A 94 60.04 61.47 REMARK 500 5 ARG A 110 82.30 54.99 REMARK 500 6 SER A 79 114.66 -165.62 REMARK 500 6 ASP A 94 64.64 64.19 REMARK 500 6 ARG A 110 84.52 55.17 REMARK 500 7 ARG A 106 89.31 -69.41 REMARK 500 7 ARG A 110 78.63 40.08 REMARK 500 8 SER A 5 108.44 -57.62 REMARK 500 8 ALA A 29 2.29 -68.01 REMARK 500 8 ARG A 57 -43.92 75.10 REMARK 500 8 ARG A 110 83.99 53.87 REMARK 500 9 PRO A 2 96.00 -61.37 REMARK 500 9 ILE A 56 -74.64 -62.85 REMARK 500 9 VAL A 67 98.28 -62.01 REMARK 500 9 ARG A 110 73.35 60.44 REMARK 500 10 VAL A 67 94.39 -68.03 REMARK 500 10 ASP A 94 64.96 63.05 REMARK 500 10 ARG A 110 76.85 50.55 REMARK 500 10 LYS A 120 78.15 -116.69 REMARK 500 11 ILE A 56 15.73 -150.20 REMARK 500 11 ARG A 110 77.10 57.69 REMARK 500 12 SER A 55 -77.90 -131.19 REMARK 500 12 ILE A 56 -22.28 176.58 REMARK 500 12 ASP A 94 62.40 60.01 REMARK 500 12 ARG A 110 78.40 52.08 REMARK 500 12 LYS A 120 76.49 -111.44 REMARK 500 13 ALA A 29 54.57 -92.73 REMARK 500 13 PRO A 42 109.31 -57.18 REMARK 500 13 VAL A 67 90.11 -66.23 REMARK 500 13 ASP A 94 67.09 62.11 REMARK 500 13 ARG A 110 77.42 48.23 REMARK 500 14 ILE A 56 16.41 -149.33 REMARK 500 REMARK 500 THIS ENTRY HAS 62 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 31251 RELATED DB: BMRB REMARK 900 HONEY TRUFFLE ACTIVE COMPONENT DBREF 9P6W A 1 121 PDB 9P6W 9P6W 1 121 SEQRES 1 A 121 MET PRO ASP LEU SER SER PHE ILE THR ILE LYS ASN ASN SEQRES 2 A 121 SER ASN HIS VAL PHE THR ARG THR ALA ILE TYR SER LYS SEQRES 3 A 121 TYR ALA ALA VAL GLN TRP SER PRO GLU PRO GLN LEU SER SEQRES 4 A 121 ILE SER PRO GLY LYS TRP ASP LEU PHE ILE LEU LYS ASP SEQRES 5 A 121 ILE LEU SER ILE ARG GLY THR SER GLY TYR VAL GLN TYR SEQRES 6 A 121 ARG VAL GLY ASP GLY PRO GLY TRP VAL ARG VAL THR PHE SEQRES 7 A 121 SER SER LEU VAL GLY ALA ASP GLU VAL ALA GLU TRP SER SEQRES 8 A 121 SER GLY ASP LEU PRO ASP GLY PHE VAL LEU GLN LYS PRO SEQRES 9 A 121 VAL ARG THR GLY SER ARG PRO LEU GLN ALA THR PHE GLU SEQRES 10 A 121 ALA THR LYS GLN SHEET 1 AA1 5 VAL A 30 SER A 33 0 SHEET 2 AA1 5 TRP A 45 ASP A 52 -1 O LYS A 51 N GLN A 31 SHEET 3 AA1 5 SER A 6 ASN A 13 -1 N SER A 6 O LEU A 50 SHEET 4 AA1 5 LEU A 112 LYS A 120 1 O ALA A 118 N ASN A 13 SHEET 5 AA1 5 PHE A 99 GLY A 108 -1 N GLN A 102 O GLU A 117 SHEET 1 AA2 4 TYR A 24 SER A 25 0 SHEET 2 AA2 4 GLY A 58 VAL A 67 -1 O TYR A 62 N TYR A 24 SHEET 3 AA2 4 PHE A 18 ARG A 20 -1 N THR A 19 O ARG A 66 SHEET 4 AA2 4 SER A 39 ILE A 40 -1 O ILE A 40 N PHE A 18 SHEET 1 AA3 4 TYR A 24 SER A 25 0 SHEET 2 AA3 4 GLY A 58 VAL A 67 -1 O TYR A 62 N TYR A 24 SHEET 3 AA3 4 TRP A 73 LEU A 81 -1 O VAL A 76 N VAL A 63 SHEET 4 AA3 4 VAL A 87 GLY A 93 -1 O SER A 91 N ARG A 75 CISPEP 1 SER A 33 PRO A 34 1 0.89 CISPEP 2 GLY A 70 PRO A 71 1 -3.62 CISPEP 3 ARG A 110 PRO A 111 1 1.72 CISPEP 4 SER A 33 PRO A 34 2 2.38 CISPEP 5 GLY A 70 PRO A 71 2 1.66 CISPEP 6 ARG A 110 PRO A 111 2 1.40 CISPEP 7 SER A 33 PRO A 34 3 -4.92 CISPEP 8 GLY A 70 PRO A 71 3 -2.81 CISPEP 9 ARG A 110 PRO A 111 3 -1.52 CISPEP 10 SER A 33 PRO A 34 4 1.37 CISPEP 11 GLY A 70 PRO A 71 4 -0.97 CISPEP 12 ARG A 110 PRO A 111 4 0.59 CISPEP 13 SER A 33 PRO A 34 5 3.01 CISPEP 14 GLY A 70 PRO A 71 5 6.74 CISPEP 15 ARG A 110 PRO A 111 5 -1.68 CISPEP 16 SER A 33 PRO A 34 6 0.13 CISPEP 17 GLY A 70 PRO A 71 6 -4.79 CISPEP 18 ARG A 110 PRO A 111 6 6.11 CISPEP 19 SER A 33 PRO A 34 7 2.19 CISPEP 20 GLY A 70 PRO A 71 7 5.67 CISPEP 21 ARG A 110 PRO A 111 7 6.61 CISPEP 22 SER A 33 PRO A 34 8 -2.72 CISPEP 23 GLY A 70 PRO A 71 8 18.73 CISPEP 24 ARG A 110 PRO A 111 8 -0.72 CISPEP 25 SER A 33 PRO A 34 9 0.63 CISPEP 26 GLY A 70 PRO A 71 9 -7.60 CISPEP 27 ARG A 110 PRO A 111 9 -1.32 CISPEP 28 SER A 33 PRO A 34 10 -1.40 CISPEP 29 GLY A 70 PRO A 71 10 2.20 CISPEP 30 ARG A 110 PRO A 111 10 -1.10 CISPEP 31 SER A 33 PRO A 34 11 1.08 CISPEP 32 GLY A 70 PRO A 71 11 8.56 CISPEP 33 ARG A 110 PRO A 111 11 -3.57 CISPEP 34 SER A 33 PRO A 34 12 -2.33 CISPEP 35 GLY A 70 PRO A 71 12 1.13 CISPEP 36 ARG A 110 PRO A 111 12 -1.67 CISPEP 37 SER A 33 PRO A 34 13 0.27 CISPEP 38 GLY A 70 PRO A 71 13 0.74 CISPEP 39 ARG A 110 PRO A 111 13 6.18 CISPEP 40 SER A 33 PRO A 34 14 0.20 CISPEP 41 GLY A 70 PRO A 71 14 1.79 CISPEP 42 ARG A 110 PRO A 111 14 -3.28 CISPEP 43 SER A 33 PRO A 34 15 0.54 CISPEP 44 GLY A 70 PRO A 71 15 17.77 CISPEP 45 ARG A 110 PRO A 111 15 5.44 CISPEP 46 SER A 33 PRO A 34 16 -4.23 CISPEP 47 GLY A 70 PRO A 71 16 9.50 CISPEP 48 ARG A 110 PRO A 111 16 -1.01 CISPEP 49 SER A 33 PRO A 34 17 1.59 CISPEP 50 GLY A 70 PRO A 71 17 -4.82 CISPEP 51 ARG A 110 PRO A 111 17 -1.35 CISPEP 52 SER A 33 PRO A 34 18 8.28 CISPEP 53 GLY A 70 PRO A 71 18 1.60 CISPEP 54 ARG A 110 PRO A 111 18 -0.75 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1 ENDMDL MODEL 2 ENDMDL MODEL 3 ENDMDL MODEL 4 ENDMDL MODEL 5 ENDMDL MODEL 6 ENDMDL MODEL 7 ENDMDL MODEL 8 ENDMDL MODEL 9 ENDMDL MODEL 10 ENDMDL MODEL 11 ENDMDL MODEL 12 ENDMDL MODEL 13 ENDMDL MODEL 14 ENDMDL MODEL 15 ENDMDL MODEL 16 ENDMDL MODEL 17 ENDMDL MODEL 18 ENDMDL MASTER 160 0 0 0 13 0 0 6 948 1 0 10 END