HEADER MEMBRANE PROTEIN 26-APR-23 8J6P TITLE CRYO-EM STRUCTURE OF THE MK-6892-BOUND HUMAN HCAR2-GI1 COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G(I) SUBUNIT ALPHA-1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ADENYLATE CYCLASE-INHIBITING G ALPHA PROTEIN; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G(I)/G(S)/G(T) SUBUNIT COMPND 8 BETA-1; COMPND 9 CHAIN: B; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G(I)/G(S)/G(O) SUBUNIT COMPND 13 GAMMA-2; COMPND 14 CHAIN: G; COMPND 15 SYNONYM: G GAMMA-I; COMPND 16 ENGINEERED: YES; COMPND 17 MOL_ID: 4; COMPND 18 MOLECULE: SINGLE FAB CHAIN (SCFV16); COMPND 19 CHAIN: S; COMPND 20 ENGINEERED: YES; COMPND 21 MOL_ID: 5; COMPND 22 MOLECULE: HYDROXYCARBOXYLIC ACID RECEPTOR 2; COMPND 23 CHAIN: R; COMPND 24 SYNONYM: G-PROTEIN COUPLED RECEPTOR 109A,G-PROTEIN COUPLED RECEPTOR COMPND 25 HM74A,NIACIN RECEPTOR 1,NICOTINIC ACID RECEPTOR; COMPND 26 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: GNAI1; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 8 EXPRESSION_SYSTEM_CELL: SF9; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 11 ORGANISM_COMMON: HUMAN; SOURCE 12 ORGANISM_TAXID: 9606; SOURCE 13 GENE: GNB1; SOURCE 14 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 16 EXPRESSION_SYSTEM_CELL: SF9; SOURCE 17 MOL_ID: 3; SOURCE 18 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 19 ORGANISM_COMMON: HUMAN; SOURCE 20 ORGANISM_TAXID: 9606; SOURCE 21 GENE: GNG2; SOURCE 22 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 23 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 24 EXPRESSION_SYSTEM_CELL: SF9; SOURCE 25 MOL_ID: 4; SOURCE 26 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 27 ORGANISM_TAXID: 32630; SOURCE 28 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 29 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 30 EXPRESSION_SYSTEM_CELL: HI5; SOURCE 31 MOL_ID: 5; SOURCE 32 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 33 ORGANISM_COMMON: HUMAN; SOURCE 34 ORGANISM_TAXID: 9606; SOURCE 35 GENE: HCAR2, GPR109A, HCA2, HM74A, NIACR1; SOURCE 36 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 37 EXPRESSION_SYSTEM_TAXID: 7108 KEYWDS HYDROXYCARBOXYLIC ACID RECEPTOR, NIACIN, COMPOUND 9N, CLASS A GPCR, KEYWDS 2 MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR C.MAO,M.GAO,S.ZANG,Y.ZHU,X.MA,Y.ZHANG REVDAT 1 06-DEC-23 8J6P 0 JRNL AUTH C.MAO,M.GAO,S.K.ZANG,Y.ZHU,D.D.SHEN,L.N.CHEN,L.YANG,Z.WANG, JRNL AUTH 2 H.ZHANG,W.W.WANG,Q.SHEN,Y.LU,X.MA,Y.ZHANG JRNL TITL ORTHOSTERIC AND ALLOSTERIC MODULATION OF HUMAN HCAR2 JRNL TITL 2 SIGNALING COMPLEX. JRNL REF NAT COMMUN V. 14 7620 2023 JRNL REFN ESSN 2041-1723 JRNL PMID 37993467 JRNL DOI 10.1038/S41467-023-43537-Z REMARK 2 REMARK 2 RESOLUTION. 2.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : NULL REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 2.550 REMARK 3 NUMBER OF PARTICLES : 321148 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 8J6P COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 10-MAY-23. REMARK 100 THE DEPOSITION ID IS D_1300036931. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : CRYO-EM STRUCTURE OF THE REMARK 245 NIACIN, COMPOUND 9N-BOUND HUMAN REMARK 245 HCAR2-GI1 COMPLEX REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 15.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2000.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5200.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. 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: PENTAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, G, S, R 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 ILE A 55 REMARK 465 ILE A 56 REMARK 465 HIS A 57 REMARK 465 GLU A 58 REMARK 465 ALA A 59 REMARK 465 GLY A 60 REMARK 465 TYR A 61 REMARK 465 SER A 62 REMARK 465 GLU A 63 REMARK 465 GLU A 64 REMARK 465 GLU A 65 REMARK 465 CYS A 66 REMARK 465 LYS A 67 REMARK 465 GLN A 68 REMARK 465 TYR A 69 REMARK 465 LYS A 70 REMARK 465 ALA A 71 REMARK 465 VAL A 72 REMARK 465 VAL A 73 REMARK 465 TYR A 74 REMARK 465 SER A 75 REMARK 465 ASN A 76 REMARK 465 THR A 77 REMARK 465 ILE A 78 REMARK 465 GLN A 79 REMARK 465 SER A 80 REMARK 465 ILE A 81 REMARK 465 ILE A 82 REMARK 465 ALA A 83 REMARK 465 ILE A 84 REMARK 465 ILE A 85 REMARK 465 ARG A 86 REMARK 465 ALA A 87 REMARK 465 MET A 88 REMARK 465 GLY A 89 REMARK 465 ARG A 90 REMARK 465 LEU A 91 REMARK 465 LYS A 92 REMARK 465 ILE A 93 REMARK 465 ASP A 94 REMARK 465 PHE A 95 REMARK 465 GLY A 96 REMARK 465 ASP A 97 REMARK 465 SER A 98 REMARK 465 ALA A 99 REMARK 465 ARG A 100 REMARK 465 ALA A 101 REMARK 465 ASP A 102 REMARK 465 ASP A 103 REMARK 465 ALA A 104 REMARK 465 ARG A 105 REMARK 465 GLN A 106 REMARK 465 LEU A 107 REMARK 465 PHE A 108 REMARK 465 VAL A 109 REMARK 465 LEU A 110 REMARK 465 ALA A 111 REMARK 465 GLY A 112 REMARK 465 ALA A 113 REMARK 465 ALA A 114 REMARK 465 GLU A 115 REMARK 465 GLU A 116 REMARK 465 GLY A 117 REMARK 465 PHE A 118 REMARK 465 MET A 119 REMARK 465 THR A 120 REMARK 465 ALA A 121 REMARK 465 GLU A 122 REMARK 465 LEU A 123 REMARK 465 ALA A 124 REMARK 465 GLY A 125 REMARK 465 VAL A 126 REMARK 465 ILE A 127 REMARK 465 LYS A 128 REMARK 465 ARG A 129 REMARK 465 LEU A 130 REMARK 465 TRP A 131 REMARK 465 LYS A 132 REMARK 465 ASP A 133 REMARK 465 SER A 134 REMARK 465 GLY A 135 REMARK 465 VAL A 136 REMARK 465 GLN A 137 REMARK 465 ALA A 138 REMARK 465 CYS A 139 REMARK 465 PHE A 140 REMARK 465 ASN A 141 REMARK 465 ARG A 142 REMARK 465 SER A 143 REMARK 465 ARG A 144 REMARK 465 GLU A 145 REMARK 465 TYR A 146 REMARK 465 GLN A 147 REMARK 465 LEU A 148 REMARK 465 ASN A 149 REMARK 465 ASP A 150 REMARK 465 SER A 151 REMARK 465 ALA A 152 REMARK 465 ALA A 153 REMARK 465 TYR A 154 REMARK 465 TYR A 155 REMARK 465 LEU A 156 REMARK 465 ASN A 157 REMARK 465 ASP A 158 REMARK 465 LEU A 159 REMARK 465 ASP A 160 REMARK 465 ARG A 161 REMARK 465 ILE A 162 REMARK 465 ALA A 163 REMARK 465 GLN A 164 REMARK 465 PRO A 165 REMARK 465 ASN A 166 REMARK 465 TYR A 167 REMARK 465 ILE A 168 REMARK 465 PRO A 169 REMARK 465 THR A 170 REMARK 465 GLN A 171 REMARK 465 GLN A 172 REMARK 465 ASP A 173 REMARK 465 VAL A 174 REMARK 465 LEU A 175 REMARK 465 ARG A 176 REMARK 465 THR A 177 REMARK 465 ARG A 178 REMARK 465 VAL A 179 REMARK 465 LYS A 180 REMARK 465 THR A 181 REMARK 465 GLY S 122 REMARK 465 GLY S 123 REMARK 465 GLY S 124 REMARK 465 GLY S 125 REMARK 465 SER S 126 REMARK 465 GLY S 127 REMARK 465 GLY S 128 REMARK 465 GLY S 129 REMARK 465 GLY S 130 REMARK 465 SER S 131 REMARK 465 GLY S 132 REMARK 465 GLY S 133 REMARK 465 GLY S 134 REMARK 465 LYS S 248 REMARK 465 GLY S 249 REMARK 465 SER S 250 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 OE1 GLN A 52 ND2 ASN A 331 2.12 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 GLN A 204 76.21 -100.73 REMARK 500 ALA A 235 -0.76 67.86 REMARK 500 LYS A 270 60.58 60.42 REMARK 500 TRP B 99 56.27 -92.41 REMARK 500 PHE B 292 10.68 80.66 REMARK 500 LYS S 43 61.91 61.58 REMARK 500 MET S 192 -18.98 63.79 REMARK 500 SER S 193 -14.99 -143.58 REMARK 500 ASN R 17 150.78 -38.75 REMARK 500 CYS R 18 -167.53 153.45 REMARK 500 THR R 263 51.17 -91.45 REMARK 500 CYS R 266 7.87 -69.32 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-36010 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE NIACIN, AND COMPOUND 9N-BOUND HUMAN HCAR2- REMARK 900 GI1 COMPLEX DBREF 8J6P A 3 354 UNP P63096 GNAI1_HUMAN 3 354 DBREF 8J6P B 2 340 UNP P62873 GBB1_HUMAN 2 340 DBREF 8J6P G 5 62 UNP P59768 GBG2_HUMAN 5 62 DBREF 8J6P S 1 250 PDB 8J6P 8J6P 1 250 DBREF 8J6P R 8 301 UNP Q8TDS4 HCAR2_HUMAN 8 301 SEQADV 8J6P ASN A 47 UNP P63096 SER 47 CONFLICT SEQADV 8J6P ALA A 203 UNP P63096 GLY 203 CONFLICT SEQADV 8J6P ALA A 245 UNP P63096 GLU 245 CONFLICT SEQADV 8J6P SER A 326 UNP P63096 ALA 326 CONFLICT SEQADV 8J6P ASN R 302 UNP Q8TDS4 EXPRESSION TAG SEQRES 1 A 352 CYS THR LEU SER ALA GLU ASP LYS ALA ALA VAL GLU ARG SEQRES 2 A 352 SER LYS MET ILE ASP ARG ASN LEU ARG GLU ASP GLY GLU SEQRES 3 A 352 LYS ALA ALA ARG GLU VAL LYS LEU LEU LEU LEU GLY ALA SEQRES 4 A 352 GLY GLU SER GLY LYS ASN THR ILE VAL LYS GLN MET LYS SEQRES 5 A 352 ILE ILE HIS GLU ALA GLY TYR SER GLU GLU GLU CYS LYS SEQRES 6 A 352 GLN TYR LYS ALA VAL VAL TYR SER ASN THR ILE GLN SER SEQRES 7 A 352 ILE ILE ALA ILE ILE ARG ALA MET GLY ARG LEU LYS ILE SEQRES 8 A 352 ASP PHE GLY ASP SER ALA ARG ALA ASP ASP ALA ARG GLN SEQRES 9 A 352 LEU PHE VAL LEU ALA GLY ALA ALA GLU GLU GLY PHE MET SEQRES 10 A 352 THR ALA GLU LEU ALA GLY VAL ILE LYS ARG LEU TRP LYS SEQRES 11 A 352 ASP SER GLY VAL GLN ALA CYS PHE ASN ARG SER ARG GLU SEQRES 12 A 352 TYR GLN LEU ASN ASP SER ALA ALA TYR TYR LEU ASN ASP SEQRES 13 A 352 LEU ASP ARG ILE ALA GLN PRO ASN TYR ILE PRO THR GLN SEQRES 14 A 352 GLN ASP VAL LEU ARG THR ARG VAL LYS THR THR GLY ILE SEQRES 15 A 352 VAL GLU THR HIS PHE THR PHE LYS ASP LEU HIS PHE LYS SEQRES 16 A 352 MET PHE ASP VAL GLY ALA GLN ARG SER GLU ARG LYS LYS SEQRES 17 A 352 TRP ILE HIS CYS PHE GLU GLY VAL THR ALA ILE ILE PHE SEQRES 18 A 352 CYS VAL ALA LEU SER ASP TYR ASP LEU VAL LEU ALA GLU SEQRES 19 A 352 ASP GLU GLU MET ASN ARG MET HIS ALA SER MET LYS LEU SEQRES 20 A 352 PHE ASP SER ILE CYS ASN ASN LYS TRP PHE THR ASP THR SEQRES 21 A 352 SER ILE ILE LEU PHE LEU ASN LYS LYS ASP LEU PHE GLU SEQRES 22 A 352 GLU LYS ILE LYS LYS SER PRO LEU THR ILE CYS TYR PRO SEQRES 23 A 352 GLU TYR ALA GLY SER ASN THR TYR GLU GLU ALA ALA ALA SEQRES 24 A 352 TYR ILE GLN CYS GLN PHE GLU ASP LEU ASN LYS ARG LYS SEQRES 25 A 352 ASP THR LYS GLU ILE TYR THR HIS PHE THR CYS SER THR SEQRES 26 A 352 ASP THR LYS ASN VAL GLN PHE VAL PHE ASP ALA VAL THR SEQRES 27 A 352 ASP VAL ILE ILE LYS ASN ASN LEU LYS ASP CYS GLY LEU SEQRES 28 A 352 PHE SEQRES 1 B 339 SER GLU LEU ASP GLN LEU ARG GLN GLU ALA GLU GLN LEU SEQRES 2 B 339 LYS ASN GLN ILE ARG ASP ALA ARG LYS ALA CYS ALA ASP SEQRES 3 B 339 ALA THR LEU SER GLN ILE THR ASN ASN ILE ASP PRO VAL SEQRES 4 B 339 GLY ARG ILE GLN MET ARG THR ARG ARG THR LEU ARG GLY SEQRES 5 B 339 HIS LEU ALA LYS ILE TYR ALA MET HIS TRP GLY THR ASP SEQRES 6 B 339 SER ARG LEU LEU VAL SER ALA SER GLN ASP GLY LYS LEU SEQRES 7 B 339 ILE ILE TRP ASP SER TYR THR THR ASN LYS VAL HIS ALA SEQRES 8 B 339 ILE PRO LEU ARG SER SER TRP VAL MET THR CYS ALA TYR SEQRES 9 B 339 ALA PRO SER GLY ASN TYR VAL ALA CYS GLY GLY LEU ASP SEQRES 10 B 339 ASN ILE CYS SER ILE TYR ASN LEU LYS THR ARG GLU GLY SEQRES 11 B 339 ASN VAL ARG VAL SER ARG GLU LEU ALA GLY HIS THR GLY SEQRES 12 B 339 TYR LEU SER CYS CYS ARG PHE LEU ASP ASP ASN GLN ILE SEQRES 13 B 339 VAL THR SER SER GLY ASP THR THR CYS ALA LEU TRP ASP SEQRES 14 B 339 ILE GLU THR GLY GLN GLN THR THR THR PHE THR GLY HIS SEQRES 15 B 339 THR GLY ASP VAL MET SER LEU SER LEU ALA PRO ASP THR SEQRES 16 B 339 ARG LEU PHE VAL SER GLY ALA CYS ASP ALA SER ALA LYS SEQRES 17 B 339 LEU TRP ASP VAL ARG GLU GLY MET CYS ARG GLN THR PHE SEQRES 18 B 339 THR GLY HIS GLU SER ASP ILE ASN ALA ILE CYS PHE PHE SEQRES 19 B 339 PRO ASN GLY ASN ALA PHE ALA THR GLY SER ASP ASP ALA SEQRES 20 B 339 THR CYS ARG LEU PHE ASP LEU ARG ALA ASP GLN GLU LEU SEQRES 21 B 339 MET THR TYR SER HIS ASP ASN ILE ILE CYS GLY ILE THR SEQRES 22 B 339 SER VAL SER PHE SER LYS SER GLY ARG LEU LEU LEU ALA SEQRES 23 B 339 GLY TYR ASP ASP PHE ASN CYS ASN VAL TRP ASP ALA LEU SEQRES 24 B 339 LYS ALA ASP ARG ALA GLY VAL LEU ALA GLY HIS ASP ASN SEQRES 25 B 339 ARG VAL SER CYS LEU GLY VAL THR ASP ASP GLY MET ALA SEQRES 26 B 339 VAL ALA THR GLY SER TRP ASP SER PHE LEU LYS ILE TRP SEQRES 27 B 339 ASN SEQRES 1 G 58 ASN THR ALA SER ILE ALA GLN ALA ARG LYS LEU VAL GLU SEQRES 2 G 58 GLN LEU LYS MET GLU ALA ASN ILE ASP ARG ILE LYS VAL SEQRES 3 G 58 SER LYS ALA ALA ALA ASP LEU MET ALA TYR CYS GLU ALA SEQRES 4 G 58 HIS ALA LYS GLU ASP PRO LEU LEU THR PRO VAL PRO ALA SEQRES 5 G 58 SER GLU ASN PRO PHE ARG SEQRES 1 S 250 ASP VAL GLN LEU VAL GLU SER GLY GLY GLY LEU VAL GLN SEQRES 2 S 250 PRO GLY GLY SER ARG LYS LEU SER CYS SER ALA SER GLY SEQRES 3 S 250 PHE ALA PHE SER SER PHE GLY MET HIS TRP VAL ARG GLN SEQRES 4 S 250 ALA PRO GLU LYS GLY LEU GLU TRP VAL ALA TYR ILE SER SEQRES 5 S 250 SER GLY SER GLY THR ILE TYR TYR ALA ASP THR VAL LYS SEQRES 6 S 250 GLY ARG PHE THR ILE SER ARG ASP ASP PRO LYS ASN THR SEQRES 7 S 250 LEU PHE LEU GLN MET THR SER LEU ARG SER GLU ASP THR SEQRES 8 S 250 ALA MET TYR TYR CYS VAL ARG SER ILE TYR TYR TYR GLY SEQRES 9 S 250 SER SER PRO PHE ASP PHE TRP GLY GLN GLY THR THR LEU SEQRES 10 S 250 THR VAL SER SER GLY GLY GLY GLY SER GLY GLY GLY GLY SEQRES 11 S 250 SER GLY GLY GLY GLY SER ASP ILE VAL MET THR GLN ALA SEQRES 12 S 250 THR SER SER VAL PRO VAL THR PRO GLY GLU SER VAL SER SEQRES 13 S 250 ILE SER CYS ARG SER SER LYS SER LEU LEU HIS SER ASN SEQRES 14 S 250 GLY ASN THR TYR LEU TYR TRP PHE LEU GLN ARG PRO GLY SEQRES 15 S 250 GLN SER PRO GLN LEU LEU ILE TYR ARG MET SER ASN LEU SEQRES 16 S 250 ALA SER GLY VAL PRO ASP ARG PHE SER GLY SER GLY SER SEQRES 17 S 250 GLY THR ALA PHE THR LEU THR ILE SER ARG LEU GLU ALA SEQRES 18 S 250 GLU ASP VAL GLY VAL TYR TYR CYS MET GLN HIS LEU GLU SEQRES 19 S 250 TYR PRO LEU THR PHE GLY ALA GLY THR LYS LEU GLU LEU SEQRES 20 S 250 LYS GLY SER SEQRES 1 R 295 ASP HIS PHE LEU GLU ILE ASP LYS LYS ASN CYS CYS VAL SEQRES 2 R 295 PHE ARG ASP ASP PHE ILE VAL LYS VAL LEU PRO PRO VAL SEQRES 3 R 295 LEU GLY LEU GLU PHE ILE PHE GLY LEU LEU GLY ASN GLY SEQRES 4 R 295 LEU ALA LEU TRP ILE PHE CYS PHE HIS LEU LYS SER TRP SEQRES 5 R 295 LYS SER SER ARG ILE PHE LEU PHE ASN LEU ALA VAL ALA SEQRES 6 R 295 ASP PHE LEU LEU ILE ILE CYS LEU PRO PHE LEU MET ASP SEQRES 7 R 295 ASN TYR VAL ARG ARG TRP ASP TRP LYS PHE GLY ASP ILE SEQRES 8 R 295 PRO CYS ARG LEU MET LEU PHE MET LEU ALA MET ASN ARG SEQRES 9 R 295 GLN GLY SER ILE ILE PHE LEU THR VAL VAL ALA VAL ASP SEQRES 10 R 295 ARG TYR PHE ARG VAL VAL HIS PRO HIS HIS ALA LEU ASN SEQRES 11 R 295 LYS ILE SER ASN ARG THR ALA ALA ILE ILE SER CYS LEU SEQRES 12 R 295 LEU TRP GLY ILE THR ILE GLY LEU THR VAL HIS LEU LEU SEQRES 13 R 295 LYS LYS LYS MET PRO ILE GLN ASN GLY GLY ALA ASN LEU SEQRES 14 R 295 CYS SER SER PHE SER ILE CYS HIS THR PHE GLN TRP HIS SEQRES 15 R 295 GLU ALA MET PHE LEU LEU GLU PHE PHE LEU PRO LEU GLY SEQRES 16 R 295 ILE ILE LEU PHE CYS SER ALA ARG ILE ILE TRP SER LEU SEQRES 17 R 295 ARG GLN ARG GLN MET ASP ARG HIS ALA LYS ILE LYS ARG SEQRES 18 R 295 ALA ILE THR PHE ILE MET VAL VAL ALA ILE VAL PHE VAL SEQRES 19 R 295 ILE CYS PHE LEU PRO SER VAL VAL VAL ARG ILE ARG ILE SEQRES 20 R 295 PHE TRP LEU LEU HIS THR SER GLY THR GLN ASN CYS GLU SEQRES 21 R 295 VAL TYR ARG SER VAL ASP LEU ALA PHE PHE ILE THR LEU SEQRES 22 R 295 SER PHE THR TYR MET ASN SER MET LEU ASP PRO VAL VAL SEQRES 23 R 295 TYR TYR PHE SER SER PRO SER PHE ASN HET IX8 R 401 32 HET CLR R 402 28 HET NIO R 403 9 HET CLR R 404 28 HET NAG R 405 14 HETNAM IX8 7-METHYL-N-[(2R)-1-PHENOXYPROPAN-2-YL]-3-(4-PROPAN-2- HETNAM 2 IX8 YLPHENYL)PYRAZOLO[1,5-A]PYRIMIDINE-6-CARBOXAMIDE HETNAM CLR CHOLESTEROL HETNAM NIO NICOTINIC ACID HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE FORMUL 6 IX8 C26 H28 N4 O2 FORMUL 7 CLR 2(C27 H46 O) FORMUL 8 NIO C6 H5 N O2 FORMUL 10 NAG C8 H15 N O6 FORMUL 11 HOH *(H2 O) HELIX 1 AA1 SER A 6 ARG A 32 1 27 HELIX 2 AA2 GLY A 45 LYS A 54 1 10 HELIX 3 AA3 GLU A 207 GLU A 216 5 10 HELIX 4 AA4 SER A 228 ASP A 231 5 4 HELIX 5 AA5 ASN A 241 ASN A 255 1 15 HELIX 6 AA6 ASN A 256 THR A 260 5 5 HELIX 7 AA7 LYS A 270 ILE A 278 1 9 HELIX 8 AA8 PRO A 282 CYS A 286 5 5 HELIX 9 AA9 THR A 295 ASP A 309 1 15 HELIX 10 AB1 LYS A 330 CYS A 351 1 22 HELIX 11 AB2 GLU B 3 ALA B 26 1 24 HELIX 12 AB3 THR B 29 ASN B 35 1 7 HELIX 13 AB4 ALA G 7 ASN G 24 1 18 HELIX 14 AB5 LYS G 29 HIS G 44 1 16 HELIX 15 AB6 ALA S 28 PHE S 32 5 5 HELIX 16 AB7 SER S 53 GLY S 56 5 4 HELIX 17 AB8 ARG S 87 THR S 91 5 5 HELIX 18 AB9 GLU S 220 VAL S 224 5 5 HELIX 19 AC1 ASP R 23 PHE R 54 1 32 HELIX 20 AC2 LYS R 60 ILE R 78 1 19 HELIX 21 AC3 CYS R 79 ARG R 89 1 11 HELIX 22 AC4 ASP R 97 VAL R 130 1 34 HELIX 23 AC5 HIS R 134 ILE R 139 5 6 HELIX 24 AC6 SER R 140 VAL R 160 1 21 HELIX 25 AC7 HIS R 161 LYS R 165 5 5 HELIX 26 AC8 GLN R 170 ALA R 174 5 5 HELIX 27 AC9 GLN R 187 ARG R 218 1 32 HELIX 28 AD1 GLN R 219 ARG R 222 5 4 HELIX 29 AD2 HIS R 223 SER R 261 1 39 HELIX 30 AD3 ASN R 265 GLU R 267 5 3 HELIX 31 AD4 VAL R 268 TYR R 295 1 28 SHEET 1 AA1 6 VAL A 185 THR A 190 0 SHEET 2 AA1 6 HIS A 195 ASP A 200 -1 O MET A 198 N THR A 187 SHEET 3 AA1 6 VAL A 34 GLY A 40 1 N VAL A 34 O LYS A 197 SHEET 4 AA1 6 ALA A 220 ALA A 226 1 O CYS A 224 N LEU A 39 SHEET 5 AA1 6 SER A 263 ASN A 269 1 O PHE A 267 N PHE A 223 SHEET 6 AA1 6 ILE A 319 THR A 324 1 O TYR A 320 N ILE A 264 SHEET 1 AA2 4 THR B 47 LEU B 51 0 SHEET 2 AA2 4 LEU B 336 TRP B 339 -1 O LEU B 336 N LEU B 51 SHEET 3 AA2 4 VAL B 327 SER B 331 -1 N VAL B 327 O TRP B 339 SHEET 4 AA2 4 VAL B 315 VAL B 320 -1 N GLY B 319 O ALA B 328 SHEET 1 AA3 4 ILE B 58 TRP B 63 0 SHEET 2 AA3 4 LEU B 69 SER B 74 -1 O ALA B 73 N ALA B 60 SHEET 3 AA3 4 LYS B 78 ASP B 83 -1 O TRP B 82 N LEU B 70 SHEET 4 AA3 4 ASN B 88 PRO B 94 -1 O ASN B 88 N ASP B 83 SHEET 1 AA4 4 VAL B 100 TYR B 105 0 SHEET 2 AA4 4 TYR B 111 GLY B 116 -1 O GLY B 115 N MET B 101 SHEET 3 AA4 4 CYS B 121 ASN B 125 -1 O TYR B 124 N VAL B 112 SHEET 4 AA4 4 ARG B 134 LEU B 139 -1 O LEU B 139 N CYS B 121 SHEET 1 AA5 4 CYS B 148 PHE B 151 0 SHEET 2 AA5 4 GLN B 156 SER B 160 -1 O SER B 160 N CYS B 148 SHEET 3 AA5 4 THR B 165 ASP B 170 -1 O ALA B 167 N THR B 159 SHEET 4 AA5 4 GLN B 175 THR B 181 -1 O PHE B 180 N CYS B 166 SHEET 1 AA6 4 SER B 191 LEU B 192 0 SHEET 2 AA6 4 LEU B 198 GLY B 202 -1 O VAL B 200 N SER B 191 SHEET 3 AA6 4 SER B 207 ASP B 212 -1 O TRP B 211 N PHE B 199 SHEET 4 AA6 4 CYS B 218 THR B 223 -1 O PHE B 222 N ALA B 208 SHEET 1 AA7 4 ILE B 229 PHE B 234 0 SHEET 2 AA7 4 ALA B 240 SER B 245 -1 O ALA B 242 N CYS B 233 SHEET 3 AA7 4 THR B 249 ASP B 254 -1 O PHE B 253 N PHE B 241 SHEET 4 AA7 4 GLN B 259 SER B 265 -1 O TYR B 264 N CYS B 250 SHEET 1 AA8 4 ILE B 273 PHE B 278 0 SHEET 2 AA8 4 LEU B 284 TYR B 289 -1 O LEU B 286 N SER B 277 SHEET 3 AA8 4 CYS B 294 ASP B 298 -1 O TRP B 297 N LEU B 285 SHEET 4 AA8 4 ARG B 304 LEU B 308 -1 O LEU B 308 N CYS B 294 SHEET 1 AA9 4 GLN S 3 SER S 7 0 SHEET 2 AA9 4 ARG S 18 SER S 25 -1 O SER S 25 N GLN S 3 SHEET 3 AA9 4 THR S 78 MET S 83 -1 O LEU S 79 N CYS S 22 SHEET 4 AA9 4 PHE S 68 ASP S 73 -1 N SER S 71 O PHE S 80 SHEET 1 AB1 6 LEU S 11 VAL S 12 0 SHEET 2 AB1 6 THR S 115 VAL S 119 1 O THR S 118 N VAL S 12 SHEET 3 AB1 6 ALA S 92 SER S 99 -1 N TYR S 94 O THR S 115 SHEET 4 AB1 6 GLY S 33 ALA S 40 -1 N VAL S 37 O TYR S 95 SHEET 5 AB1 6 GLY S 44 ILE S 51 -1 O VAL S 48 N TRP S 36 SHEET 6 AB1 6 ILE S 58 TYR S 60 -1 O TYR S 59 N TYR S 50 SHEET 1 AB2 4 LEU S 11 VAL S 12 0 SHEET 2 AB2 4 THR S 115 VAL S 119 1 O THR S 118 N VAL S 12 SHEET 3 AB2 4 ALA S 92 SER S 99 -1 N TYR S 94 O THR S 115 SHEET 4 AB2 4 PHE S 110 TRP S 111 -1 O PHE S 110 N ARG S 98 SHEET 1 AB3 4 MET S 140 THR S 141 0 SHEET 2 AB3 4 VAL S 155 SER S 161 -1 O ARG S 160 N THR S 141 SHEET 3 AB3 4 ALA S 211 ILE S 216 -1 O ILE S 216 N VAL S 155 SHEET 4 AB3 4 PHE S 203 SER S 208 -1 N SER S 204 O THR S 215 SHEET 1 AB4 5 SER S 146 PRO S 148 0 SHEET 2 AB4 5 THR S 243 GLU S 246 1 O LYS S 244 N VAL S 147 SHEET 3 AB4 5 VAL S 226 GLN S 231 -1 N TYR S 227 O THR S 243 SHEET 4 AB4 5 LEU S 174 GLN S 179 -1 N TYR S 175 O MET S 230 SHEET 5 AB4 5 GLN S 186 ILE S 189 -1 O LEU S 188 N TRP S 176 SSBOND 1 CYS S 22 CYS S 96 1555 1555 2.03 SSBOND 2 CYS S 159 CYS S 229 1555 1555 2.03 SSBOND 3 CYS R 18 CYS R 183 1555 1555 2.04 SSBOND 4 CYS R 19 CYS R 266 1555 1555 2.03 SSBOND 5 CYS R 100 CYS R 177 1555 1555 2.03 LINK ND2 ASN R 17 C1 NAG R 405 1555 1555 1.50 CISPEP 1 TYR S 235 PRO S 236 0 4.09 CISPEP 2 MET R 167 PRO R 168 0 -9.09 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 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