HEADER MEMBRANE PROTEIN/IMMUNE SYSTEM 03-SEP-24 9JED TITLE CRYO-EM STRUCTURE OF HISTAMINE-BOUND HISTAMINE RECEPTOR 4 H4R G TITLE 2 PROTEIN 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: D; COMPND 10 SYNONYM: TRANSDUCIN BETA CHAIN 1; COMPND 11 ENGINEERED: YES; COMPND 12 MOL_ID: 3; COMPND 13 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G(I)/G(S)/G(O) SUBUNIT COMPND 14 GAMMA-2; COMPND 15 CHAIN: G; COMPND 16 SYNONYM: G GAMMA-I; COMPND 17 ENGINEERED: YES; COMPND 18 MOL_ID: 4; COMPND 19 MOLECULE: HISTAMINE H4 RECEPTOR; COMPND 20 CHAIN: R; COMPND 21 SYNONYM: H4R,HH4R,AXOR35,G-PROTEIN COUPLED RECEPTOR 105,GPRV53,PFI- COMPND 22 013,SP9144; COMPND 23 ENGINEERED: YES; COMPND 24 MOL_ID: 5; COMPND 25 MOLECULE: SCFV16; COMPND 26 CHAIN: S; COMPND 27 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: TRICHOPLUSIA NI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 GENE: GNB1; SOURCE 13 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 15 MOL_ID: 3; SOURCE 16 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 17 ORGANISM_COMMON: HUMAN; SOURCE 18 ORGANISM_TAXID: 9606; SOURCE 19 GENE: GNG2; SOURCE 20 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 21 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 22 MOL_ID: 4; SOURCE 23 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 24 ORGANISM_COMMON: HUMAN; SOURCE 25 ORGANISM_TAXID: 9606; SOURCE 26 GENE: HRH4, GPCR105; SOURCE 27 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 28 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 29 MOL_ID: 5; SOURCE 30 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 31 ORGANISM_TAXID: 10090; SOURCE 32 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 33 EXPRESSION_SYSTEM_TAXID: 7111 KEYWDS COMPLEX, MEMBRANE PROTEIN/IMMUNE SYSTEM, MEMBRANE PROTEIN-IMMUNE KEYWDS 2 SYSTEM COMPLEX EXPDTA ELECTRON MICROSCOPY AUTHOR S.JIN,H.ZHANG,Y.JIANG REVDAT 2 21-JAN-26 9JED 1 JRNL REVDAT 1 10-SEP-25 9JED 0 JRNL AUTH S.S.JIN,H.ZHANG,J.H.YAN,C.R.WU,X.Q.CAI,K.WU,M.W.WANG,H.E.XU, JRNL AUTH 2 D.H.YANG,Y.JIANG JRNL TITL DECODING LIGAND RECOGNITION AND CONSTITUTIVE ACTIVATION OF JRNL TITL 2 HISTAMINE H3 AND H4 RECEPTORS. JRNL REF ACTA PHARMACOL.SIN. V. 47 186 2026 JRNL REFN ESSN 1745-7254 JRNL PMID 40877594 JRNL DOI 10.1038/S41401-025-01633-4 REMARK 2 REMARK 2 RESOLUTION. 2.58 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : PHENIX 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) : 2.580 REMARK 3 NUMBER OF PARTICLES : 299962 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 9JED COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 06-SEP-24. REMARK 100 THE DEPOSITION ID IS D_1300051139. 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 : STRUCTURAL BASIS FOR LIGAND REMARK 245 RECOGNITION AND SELF-ACTIVATION REMARK 245 OF HISTAMINE H4 RECEPTORS REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.20 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 : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1200.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1800.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : DIFFRACTION REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5000.00 REMARK 245 ILLUMINATION MODE : SPOT SCAN 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: PENTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, D, G, R, S 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 MET R 1 REMARK 465 PRO R 2 REMARK 465 ASP R 3 REMARK 465 THR R 4 REMARK 465 ASN R 5 REMARK 465 SER R 6 REMARK 465 THR R 7 REMARK 465 ILE R 8 REMARK 465 ASN R 9 REMARK 465 LEU R 10 REMARK 465 SER R 11 REMARK 465 ASP R 205 REMARK 465 HIS R 206 REMARK 465 LEU R 207 REMARK 465 SER R 208 REMARK 465 ARG R 209 REMARK 465 CYS R 210 REMARK 465 GLN R 211 REMARK 465 SER R 212 REMARK 465 HIS R 213 REMARK 465 PRO R 214 REMARK 465 GLY R 215 REMARK 465 LEU R 216 REMARK 465 THR R 217 REMARK 465 ALA R 218 REMARK 465 VAL R 219 REMARK 465 SER R 220 REMARK 465 SER R 221 REMARK 465 ASN R 222 REMARK 465 ILE R 223 REMARK 465 CYS R 224 REMARK 465 GLY R 225 REMARK 465 HIS R 226 REMARK 465 SER R 227 REMARK 465 PHE R 228 REMARK 465 ARG R 229 REMARK 465 GLY R 230 REMARK 465 ARG R 231 REMARK 465 LEU R 232 REMARK 465 SER R 233 REMARK 465 SER R 234 REMARK 465 ARG R 235 REMARK 465 ARG R 236 REMARK 465 SER R 237 REMARK 465 LEU R 238 REMARK 465 SER R 239 REMARK 465 ALA R 240 REMARK 465 SER R 241 REMARK 465 THR R 242 REMARK 465 GLU R 243 REMARK 465 VAL R 244 REMARK 465 PRO R 245 REMARK 465 ALA R 246 REMARK 465 SER R 247 REMARK 465 PHE R 248 REMARK 465 HIS R 249 REMARK 465 SER R 250 REMARK 465 GLU R 251 REMARK 465 ARG R 252 REMARK 465 GLN R 253 REMARK 465 ARG R 254 REMARK 465 ARG R 255 REMARK 465 LYS R 256 REMARK 465 SER R 257 REMARK 465 SER R 258 REMARK 465 LEU R 259 REMARK 465 MET R 260 REMARK 465 PHE R 261 REMARK 465 SER R 262 REMARK 465 SER R 263 REMARK 465 ARG R 264 REMARK 465 THR R 265 REMARK 465 LYS R 266 REMARK 465 MET R 267 REMARK 465 ASN R 268 REMARK 465 SER R 269 REMARK 465 ASN R 270 REMARK 465 THR R 271 REMARK 465 ILE R 272 REMARK 465 ALA R 273 REMARK 465 SER R 274 REMARK 465 LYS R 275 REMARK 465 MET R 276 REMARK 465 GLY R 277 REMARK 465 SER R 278 REMARK 465 PHE R 279 REMARK 465 SER R 280 REMARK 465 GLN R 281 REMARK 465 SER R 282 REMARK 465 ASP R 283 REMARK 465 SER R 284 REMARK 465 VAL R 285 REMARK 465 ALA R 286 REMARK 465 LEU R 287 REMARK 465 HIS R 288 REMARK 465 GLN R 289 REMARK 465 ARG R 290 REMARK 465 GLU R 291 REMARK 465 LYS R 376 REMARK 465 LYS R 377 REMARK 465 GLN R 378 REMARK 465 PRO R 379 REMARK 465 LEU R 380 REMARK 465 PRO R 381 REMARK 465 SER R 382 REMARK 465 GLN R 383 REMARK 465 HIS R 384 REMARK 465 SER R 385 REMARK 465 ARG R 386 REMARK 465 SER R 387 REMARK 465 VAL R 388 REMARK 465 SER R 389 REMARK 465 SER R 390 REMARK 465 GLY S 121A REMARK 465 GLY S 121B REMARK 465 GLY S 121C REMARK 465 GLY S 121D REMARK 465 SER S 121E REMARK 465 GLY S 121F REMARK 465 GLY S 121G REMARK 465 GLY S 121H REMARK 465 GLY S 121I REMARK 465 SER S 121J REMARK 465 GLY S 121K REMARK 465 GLY S 121L REMARK 465 GLY S 121M REMARK 465 GLY S 121N 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 PRO G 53 C - N - CD ANGL. DEV. = -18.1 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 ALA D 248 36.24 78.99 REMARK 500 THR R 76 -74.53 -71.06 REMARK 500 GLU R 163 -137.15 54.99 REMARK 500 PHE R 183 -56.83 -132.36 REMARK 500 MET S 192 -3.86 69.10 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-61413 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF HISTAMINE-BOUND HISTAMINE RECEPTOR 4 H4R G REMARK 900 PROTEIN COMPLEX DBREF 9JED A 3 354 UNP P63096 GNAI1_HUMAN 3 354 DBREF 9JED D 2 340 UNP P62873 GBB1_HUMAN 2 340 DBREF 9JED G 5 62 UNP P59768 GBG2_HUMAN 5 62 DBREF 9JED R 1 390 UNP Q9H3N8 HRH4_HUMAN 1 390 DBREF 9JED S 2 247 PDB 9JED 9JED 2 247 SEQADV 9JED ASN A 47 UNP P63096 SER 47 CONFLICT SEQADV 9JED ALA A 203 UNP P63096 GLY 203 CONFLICT SEQADV 9JED ALA A 245 UNP P63096 GLU 245 CONFLICT SEQADV 9JED SER A 326 UNP P63096 ALA 326 CONFLICT 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 D 339 SER GLU LEU ASP GLN LEU ARG GLN GLU ALA GLU GLN LEU SEQRES 2 D 339 LYS ASN GLN ILE ARG ASP ALA ARG LYS ALA CYS ALA ASP SEQRES 3 D 339 ALA THR LEU SER GLN ILE THR ASN ASN ILE ASP PRO VAL SEQRES 4 D 339 GLY ARG ILE GLN MET ARG THR ARG ARG THR LEU ARG GLY SEQRES 5 D 339 HIS LEU ALA LYS ILE TYR ALA MET HIS TRP GLY THR ASP SEQRES 6 D 339 SER ARG LEU LEU VAL SER ALA SER GLN ASP GLY LYS LEU SEQRES 7 D 339 ILE ILE TRP ASP SER TYR THR THR ASN LYS VAL HIS ALA SEQRES 8 D 339 ILE PRO LEU ARG SER SER TRP VAL MET THR CYS ALA TYR SEQRES 9 D 339 ALA PRO SER GLY ASN TYR VAL ALA CYS GLY GLY LEU ASP SEQRES 10 D 339 ASN ILE CYS SER ILE TYR ASN LEU LYS THR ARG GLU GLY SEQRES 11 D 339 ASN VAL ARG VAL SER ARG GLU LEU ALA GLY HIS THR GLY SEQRES 12 D 339 TYR LEU SER CYS CYS ARG PHE LEU ASP ASP ASN GLN ILE SEQRES 13 D 339 VAL THR SER SER GLY ASP THR THR CYS ALA LEU TRP ASP SEQRES 14 D 339 ILE GLU THR GLY GLN GLN THR THR THR PHE THR GLY HIS SEQRES 15 D 339 THR GLY ASP VAL MET SER LEU SER LEU ALA PRO ASP THR SEQRES 16 D 339 ARG LEU PHE VAL SER GLY ALA CYS ASP ALA SER ALA LYS SEQRES 17 D 339 LEU TRP ASP VAL ARG GLU GLY MET CYS ARG GLN THR PHE SEQRES 18 D 339 THR GLY HIS GLU SER ASP ILE ASN ALA ILE CYS PHE PHE SEQRES 19 D 339 PRO ASN GLY ASN ALA PHE ALA THR GLY SER ASP ASP ALA SEQRES 20 D 339 THR CYS ARG LEU PHE ASP LEU ARG ALA ASP GLN GLU LEU SEQRES 21 D 339 MET THR TYR SER HIS ASP ASN ILE ILE CYS GLY ILE THR SEQRES 22 D 339 SER VAL SER PHE SER LYS SER GLY ARG LEU LEU LEU ALA SEQRES 23 D 339 GLY TYR ASP ASP PHE ASN CYS ASN VAL TRP ASP ALA LEU SEQRES 24 D 339 LYS ALA ASP ARG ALA GLY VAL LEU ALA GLY HIS ASP ASN SEQRES 25 D 339 ARG VAL SER CYS LEU GLY VAL THR ASP ASP GLY MET ALA SEQRES 26 D 339 VAL ALA THR GLY SER TRP ASP SER PHE LEU LYS ILE TRP SEQRES 27 D 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 R 390 MET PRO ASP THR ASN SER THR ILE ASN LEU SER LEU SER SEQRES 2 R 390 THR ARG VAL THR LEU ALA PHE PHE MET SER LEU VAL ALA SEQRES 3 R 390 PHE ALA ILE MET LEU GLY ASN ALA LEU VAL ILE LEU ALA SEQRES 4 R 390 PHE VAL VAL ASP LYS ASN LEU ARG HIS ARG SER SER TYR SEQRES 5 R 390 PHE PHE LEU ASN LEU ALA ILE SER ASP PHE PHE VAL GLY SEQRES 6 R 390 VAL ILE SER ILE PRO LEU TYR ILE PRO HIS THR LEU PHE SEQRES 7 R 390 GLU TRP ASP PHE GLY LYS GLU ILE CYS VAL PHE TRP LEU SEQRES 8 R 390 THR THR ASP TYR LEU LEU CYS THR ALA SER VAL TYR ASN SEQRES 9 R 390 ILE VAL LEU ILE SER TYR ASP ARG TYR LEU SER VAL SER SEQRES 10 R 390 ASN ALA VAL SER TYR ARG THR GLN HIS THR GLY VAL LEU SEQRES 11 R 390 LYS ILE VAL THR LEU MET VAL ALA VAL TRP VAL LEU ALA SEQRES 12 R 390 PHE LEU VAL ASN GLY PRO MET ILE LEU VAL SER GLU SER SEQRES 13 R 390 TRP LYS ASP GLU GLY SER GLU CYS GLU PRO GLY PHE PHE SEQRES 14 R 390 SER GLU TRP TYR ILE LEU ALA ILE THR SER PHE LEU GLU SEQRES 15 R 390 PHE VAL ILE PRO VAL ILE LEU VAL ALA TYR PHE ASN MET SEQRES 16 R 390 ASN ILE TYR TRP SER LEU TRP LYS ARG ASP HIS LEU SER SEQRES 17 R 390 ARG CYS GLN SER HIS PRO GLY LEU THR ALA VAL SER SER SEQRES 18 R 390 ASN ILE CYS GLY HIS SER PHE ARG GLY ARG LEU SER SER SEQRES 19 R 390 ARG ARG SER LEU SER ALA SER THR GLU VAL PRO ALA SER SEQRES 20 R 390 PHE HIS SER GLU ARG GLN ARG ARG LYS SER SER LEU MET SEQRES 21 R 390 PHE SER SER ARG THR LYS MET ASN SER ASN THR ILE ALA SEQRES 22 R 390 SER LYS MET GLY SER PHE SER GLN SER ASP SER VAL ALA SEQRES 23 R 390 LEU HIS GLN ARG GLU HIS VAL GLU LEU LEU ARG ALA ARG SEQRES 24 R 390 ARG LEU ALA LYS SER LEU ALA ILE LEU LEU GLY VAL PHE SEQRES 25 R 390 ALA VAL CYS TRP ALA PRO TYR SER LEU PHE THR ILE VAL SEQRES 26 R 390 LEU SER PHE TYR SER SER ALA THR GLY PRO LYS SER VAL SEQRES 27 R 390 TRP TYR ARG ILE ALA PHE TRP LEU GLN TRP PHE ASN SER SEQRES 28 R 390 PHE VAL ASN PRO LEU LEU TYR PRO LEU CYS HIS LYS ARG SEQRES 29 R 390 PHE GLN LYS ALA PHE LEU LYS ILE PHE CYS ILE LYS LYS SEQRES 30 R 390 GLN PRO LEU PRO SER GLN HIS SER ARG SER VAL SER SER SEQRES 1 S 247 VAL GLN LEU VAL GLU SER GLY GLY GLY LEU VAL GLN PRO SEQRES 2 S 247 GLY GLY SER ARG LYS LEU SER CYS SER ALA SER GLY PHE SEQRES 3 S 247 ALA PHE SER SER PHE GLY MET HIS TRP VAL ARG GLN ALA SEQRES 4 S 247 PRO GLU LYS GLY LEU GLU TRP VAL ALA TYR ILE SER SER SEQRES 5 S 247 GLY SER GLY THR ILE TYR TYR ALA ASP THR VAL LYS GLY SEQRES 6 S 247 ARG PHE THR ILE SER ARG ASP ASP PRO LYS ASN THR LEU SEQRES 7 S 247 PHE LEU GLN MET THR SER LEU ARG SER GLU ASP THR ALA SEQRES 8 S 247 MET TYR TYR CYS VAL ARG SER ILE TYR TYR TYR GLY SER SEQRES 9 S 247 SER PRO PHE ASP PHE TRP GLY GLN GLY THR THR LEU THR SEQRES 10 S 247 VAL SER ALA GLY GLY GLY GLY SER GLY GLY GLY GLY SER SEQRES 11 S 247 GLY GLY GLY GLY SER ALA ASP ILE VAL MET THR GLN ALA SEQRES 12 S 247 THR SER SER VAL PRO VAL THR PRO GLY GLU SER VAL SER SEQRES 13 S 247 ILE SER CYS ARG SER SER LYS SER LEU LEU HIS SER ASN SEQRES 14 S 247 GLY ASN THR TYR LEU TYR TRP PHE LEU GLN ARG PRO GLY SEQRES 15 S 247 GLN SER PRO GLN LEU LEU ILE TYR ARG MET SER ASN LEU SEQRES 16 S 247 ALA SER GLY VAL PRO ASP ARG PHE SER GLY SER GLY SER SEQRES 17 S 247 GLY THR ALA PHE THR LEU THR ILE SER ARG LEU GLU ALA SEQRES 18 S 247 GLU ASP VAL GLY VAL TYR TYR CYS MET GLN HIS LEU GLU SEQRES 19 S 247 TYR PRO LEU THR PHE GLY ALA GLY THR LYS LEU GLU LEU HET HSM R 401 8 HET PO4 R 402 5 HETNAM HSM HISTAMINE HETNAM PO4 PHOSPHATE ION FORMUL 6 HSM C5 H9 N3 FORMUL 7 PO4 O4 P 3- FORMUL 8 HOH *3(H2 O) HELIX 1 AA1 GLU A 8 ALA A 31 1 24 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 LEU A 232 5 5 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 D 3 CYS D 25 1 23 HELIX 12 AB3 THR D 29 THR D 34 1 6 HELIX 13 AB4 THR G 6 ILE G 25 1 20 HELIX 14 AB5 LYS G 29 LYS G 46 1 18 HELIX 15 AB6 SER R 13 ASP R 43 1 31 HELIX 16 AB7 HIS R 48 ILE R 67 1 20 HELIX 17 AB8 ILE R 67 PHE R 78 1 12 HELIX 18 AB9 GLY R 83 ASN R 118 1 36 HELIX 19 AC1 ASN R 118 GLN R 125 1 8 HELIX 20 AC2 GLY R 128 VAL R 153 1 26 HELIX 21 AC3 GLU R 171 PHE R 183 1 13 HELIX 22 AC4 PHE R 183 ARG R 204 1 22 HELIX 23 AC5 VAL R 293 SER R 330 1 38 HELIX 24 AC6 SER R 337 HIS R 362 1 26 HELIX 25 AC7 HIS R 362 CYS R 374 1 13 HELIX 26 AC8 ALA S 28 PHE S 32 5 5 HELIX 27 AC9 ASP S 74 LYS S 76 5 3 HELIX 28 AD1 ARG S 87 THR S 91 5 5 SHEET 1 AA1 6 VAL A 185 PHE A 191 0 SHEET 2 AA1 6 LEU A 194 ASP A 200 -1 O MET A 198 N THR A 187 SHEET 3 AA1 6 GLU A 33 GLY A 40 1 N LEU A 36 O PHE A 199 SHEET 4 AA1 6 ALA A 220 ALA A 226 1 O ILE A 222 N LEU A 37 SHEET 5 AA1 6 SER A 263 ASN A 269 1 O ILE A 265 N ILE A 221 SHEET 6 AA1 6 ILE A 319 PHE A 323 1 O HIS A 322 N LEU A 268 SHEET 1 AA2 4 THR D 47 LEU D 51 0 SHEET 2 AA2 4 LEU D 336 TRP D 339 -1 O LEU D 336 N LEU D 51 SHEET 3 AA2 4 VAL D 327 SER D 331 -1 N VAL D 327 O TRP D 339 SHEET 4 AA2 4 VAL D 315 VAL D 320 -1 N GLY D 319 O ALA D 328 SHEET 1 AA3 4 ILE D 58 TRP D 63 0 SHEET 2 AA3 4 LEU D 69 SER D 74 -1 O ALA D 73 N ALA D 60 SHEET 3 AA3 4 LYS D 78 ASP D 83 -1 O TRP D 82 N LEU D 70 SHEET 4 AA3 4 LYS D 89 PRO D 94 -1 O VAL D 90 N ILE D 81 SHEET 1 AA4 4 VAL D 100 TYR D 105 0 SHEET 2 AA4 4 TYR D 111 GLY D 116 -1 O GLY D 115 N MET D 101 SHEET 3 AA4 4 ILE D 120 ASN D 125 -1 O TYR D 124 N VAL D 112 SHEET 4 AA4 4 ARG D 134 ALA D 140 -1 O SER D 136 N ILE D 123 SHEET 1 AA5 4 LEU D 146 PHE D 151 0 SHEET 2 AA5 4 GLN D 156 SER D 161 -1 O SER D 160 N SER D 147 SHEET 3 AA5 4 CYS D 166 ASP D 170 -1 O TRP D 169 N ILE D 157 SHEET 4 AA5 4 GLN D 175 PHE D 180 -1 O PHE D 180 N CYS D 166 SHEET 1 AA6 4 VAL D 187 LEU D 192 0 SHEET 2 AA6 4 LEU D 198 ALA D 203 -1 O GLY D 202 N MET D 188 SHEET 3 AA6 4 SER D 207 ASP D 212 -1 O TRP D 211 N PHE D 199 SHEET 4 AA6 4 CYS D 218 THR D 223 -1 O PHE D 222 N ALA D 208 SHEET 1 AA7 4 ILE D 229 PHE D 234 0 SHEET 2 AA7 4 ALA D 240 SER D 245 -1 O GLY D 244 N ASN D 230 SHEET 3 AA7 4 CYS D 250 ASP D 254 -1 O PHE D 253 N PHE D 241 SHEET 4 AA7 4 GLU D 260 TYR D 264 -1 O TYR D 264 N CYS D 250 SHEET 1 AA8 4 ILE D 273 PHE D 278 0 SHEET 2 AA8 4 LEU D 284 TYR D 289 -1 O GLY D 288 N SER D 275 SHEET 3 AA8 4 ASN D 293 ASP D 298 -1 O TRP D 297 N LEU D 285 SHEET 4 AA8 4 ARG D 304 ALA D 309 -1 O LEU D 308 N CYS D 294 SHEET 1 AA9 4 GLN S 3 SER S 7 0 SHEET 2 AA9 4 SER S 17 SER S 25 -1 O SER S 21 N SER S 7 SHEET 3 AA9 4 THR S 78 THR S 84 -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 GLN S 39 -1 N GLY S 33 O SER S 99 SHEET 5 AB1 6 LEU S 45 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 MET S 140 GLN S 142 0 SHEET 2 AB2 4 VAL S 155 SER S 161 -1 O ARG S 160 N THR S 141 SHEET 3 AB2 4 ALA S 211 ILE S 216 -1 O LEU S 214 N ILE S 157 SHEET 4 AB2 4 PHE S 203 GLY S 207 -1 N SER S 204 O THR S 215 SHEET 1 AB3 6 SER S 146 PRO S 148 0 SHEET 2 AB3 6 THR S 243 GLU S 246 1 O LYS S 244 N VAL S 147 SHEET 3 AB3 6 GLY S 225 GLN S 231 -1 N GLY S 225 O LEU S 245 SHEET 4 AB3 6 LEU S 174 GLN S 179 -1 N TYR S 175 O MET S 230 SHEET 5 AB3 6 GLN S 186 TYR S 190 -1 O ILE S 189 N TRP S 176 SHEET 6 AB3 6 ASN S 194 LEU S 195 -1 O ASN S 194 N TYR S 190 SHEET 1 AB4 4 SER S 146 PRO S 148 0 SHEET 2 AB4 4 THR S 243 GLU S 246 1 O LYS S 244 N VAL S 147 SHEET 3 AB4 4 GLY S 225 GLN S 231 -1 N GLY S 225 O LEU S 245 SHEET 4 AB4 4 THR S 238 PHE S 239 -1 O THR S 238 N GLN S 231 SSBOND 1 CYS R 87 CYS R 164 1555 1555 2.05 CISPEP 1 TYR S 235 PRO S 236 0 28.99 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 CONECT 5478 6089 CONECT 6089 5478 CONECT 8931 8932 CONECT 8932 8931 8933 CONECT 8933 8932 8934 CONECT 8934 8933 8935 8936 CONECT 8935 8934 8937 CONECT 8936 8934 8938 CONECT 8937 8935 8938 CONECT 8938 8936 8937 CONECT 8939 8940 8941 8942 8943 CONECT 8940 8939 CONECT 8941 8939 CONECT 8942 8939 CONECT 8943 8939 MASTER 405 0 2 28 58 0 0 6 8941 5 15 109 END