HEADER MEMBRANE PROTEIN 17-DEC-25 21LT TITLE CRYO-EM STRUCTURE OF THE SETMELANOTIDE-BOUND HUMAN MELANOCORTIN TITLE 2 RECEPTOR 4 (MC4R)-GQ COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: SETMELANOTIDE; COMPND 3 CHAIN: P; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: MELANOCORTIN RECEPTOR 4,LGBIT SUBUNIT; COMPND 7 CHAIN: R; COMPND 8 SYNONYM: MC4-R; COMPND 9 ENGINEERED: YES; COMPND 10 MOL_ID: 3; COMPND 11 MOLECULE: G SUBUNIT Q (GI1-GQ CHIMERIC); COMPND 12 CHAIN: A; COMPND 13 ENGINEERED: YES; COMPND 14 MOL_ID: 4; COMPND 15 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G(I)/G(S)/G(T) SUBUNIT COMPND 16 BETA-1,HIBIT; COMPND 17 CHAIN: B; COMPND 18 SYNONYM: TRANSDUCIN BETA CHAIN 1; COMPND 19 ENGINEERED: YES; COMPND 20 MOL_ID: 5; COMPND 21 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G(I)/G(S)/G(O) SUBUNIT COMPND 22 GAMMA-2; COMPND 23 CHAIN: G; COMPND 24 SYNONYM: G GAMMA-I; COMPND 25 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 4 ORGANISM_TAXID: 32630; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: HOMO SAPIENS, SYNTHETIC CONSTRUCT; SOURCE 7 ORGANISM_COMMON: HUMAN; SOURCE 8 ORGANISM_TAXID: 9606, 32630; SOURCE 9 GENE: MC4R; SOURCE 10 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 11 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 12 EXPRESSION_SYSTEM_STRAIN: HIGH 5; SOURCE 13 MOL_ID: 3; SOURCE 14 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 15 ORGANISM_TAXID: 9606; SOURCE 16 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 18 MOL_ID: 4; SOURCE 19 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS, SYNTHETIC CONSTRUCT; SOURCE 20 ORGANISM_COMMON: NORWAY RAT; SOURCE 21 ORGANISM_TAXID: 10116, 32630; SOURCE 22 GENE: GNB1; SOURCE 23 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 24 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 25 MOL_ID: 5; SOURCE 26 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 27 ORGANISM_COMMON: DOMESTIC CATTLE; SOURCE 28 ORGANISM_TAXID: 9913; SOURCE 29 GENE: GNG2; SOURCE 30 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 31 EXPRESSION_SYSTEM_TAXID: 7111 KEYWDS HUMAN MELANOCORTIN RECEPTOR 4, G PROTEIN-COUPLED RECEPTOR, KEYWDS 2 SETMELANOTIDE, GQ, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR W.B.FENG,Q.T.ZHOU,M.W.WANG REVDAT 1 12-AUG-26 21LT 0 JRNL AUTH W.FENG,Q.ZHOU,M.W.WANG JRNL TITL RATIONALE OF RENEWED EFFORTS IN DEVELOPING MC4R MODULATORS JRNL TITL 2 TO TREAT METABOLIC DISORDERS JRNL REF ACTA PHARM SIN B 2026 JRNL REFN ESSN 2211-3843 JRNL DOI 10.1016/J.APSB.2026.06.035 REMARK 2 REMARK 2 RESOLUTION. 3.11 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, PHENIX, CRYOSPARC 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) : 3.110 REMARK 3 NUMBER OF PARTICLES : 58767 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 21LT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 29-DEC-25. REMARK 100 THE DEPOSITION ID IS D_1300067433. 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 REMARK 245 SETMELANOTIDE-BOUND HUMAN REMARK 245 MELANOCORTIN RECEPTOR 4 IN REMARK 245 COMPLEX WITH GQ PROTEIN 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 : 7.40 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 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1200.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2200.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 8000.00 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: P, R, A, B, G 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 R 1 REMARK 465 VAL R 2 REMARK 465 ASN R 3 REMARK 465 SER R 4 REMARK 465 THR R 5 REMARK 465 HIS R 6 REMARK 465 ARG R 7 REMARK 465 GLY R 8 REMARK 465 MET R 9 REMARK 465 HIS R 10 REMARK 465 THR R 11 REMARK 465 SER R 12 REMARK 465 LEU R 13 REMARK 465 HIS R 14 REMARK 465 LEU R 15 REMARK 465 TRP R 16 REMARK 465 ASN R 17 REMARK 465 ARG R 18 REMARK 465 SER R 19 REMARK 465 SER R 20 REMARK 465 TYR R 21 REMARK 465 ARG R 22 REMARK 465 LEU R 23 REMARK 465 HIS R 24 REMARK 465 SER R 25 REMARK 465 ASN R 26 REMARK 465 ALA R 27 REMARK 465 SER R 28 REMARK 465 GLU R 29 REMARK 465 SER R 30 REMARK 465 LEU R 31 REMARK 465 GLY R 32 REMARK 465 LYS R 33 REMARK 465 GLY R 34 REMARK 465 TYR R 35 REMARK 465 SER R 36 REMARK 465 ASP R 37 REMARK 465 GLY R 38 REMARK 465 GLY R 39 REMARK 465 ASP R 111 REMARK 465 THR R 112 REMARK 465 ASP R 113 REMARK 465 ALA R 114 REMARK 465 GLN R 115 REMARK 465 SER R 116 REMARK 465 LEU R 229 REMARK 465 PRO R 230 REMARK 465 GLY R 231 REMARK 465 THR R 232 REMARK 465 GLY R 233 REMARK 465 ALA R 234 REMARK 465 ILE R 235 REMARK 465 ARG R 236 REMARK 465 GLN R 237 REMARK 465 GLY R 238 REMARK 465 ALA R 239 REMARK 465 ILE R 317 REMARK 465 CYS R 318 REMARK 465 CYS R 319 REMARK 465 TYR R 320 REMARK 465 PRO R 321 REMARK 465 LEU R 322 REMARK 465 GLY R 323 REMARK 465 GLY R 324 REMARK 465 LEU R 325 REMARK 465 CYS R 326 REMARK 465 ASP R 327 REMARK 465 LEU R 328 REMARK 465 SER R 329 REMARK 465 SER R 330 REMARK 465 ARG R 331 REMARK 465 TYR R 332 REMARK 465 GLY R 333 REMARK 465 SER R 334 REMARK 465 SER R 335 REMARK 465 GLY R 336 REMARK 465 GLY R 337 REMARK 465 GLY R 338 REMARK 465 GLY R 339 REMARK 465 SER R 340 REMARK 465 GLY R 341 REMARK 465 GLY R 342 REMARK 465 GLY R 343 REMARK 465 GLY R 344 REMARK 465 SER R 345 REMARK 465 SER R 346 REMARK 465 GLY R 347 REMARK 465 VAL R 348 REMARK 465 PHE R 349 REMARK 465 THR R 350 REMARK 465 LEU R 351 REMARK 465 GLU R 352 REMARK 465 ASP R 353 REMARK 465 PHE R 354 REMARK 465 VAL R 355 REMARK 465 GLY R 356 REMARK 465 ASP R 357 REMARK 465 TRP R 358 REMARK 465 GLU R 359 REMARK 465 GLN R 360 REMARK 465 THR R 361 REMARK 465 ALA R 362 REMARK 465 ALA R 363 REMARK 465 TYR R 364 REMARK 465 ASN R 365 REMARK 465 LEU R 366 REMARK 465 ASP R 367 REMARK 465 GLN R 368 REMARK 465 VAL R 369 REMARK 465 LEU R 370 REMARK 465 GLU R 371 REMARK 465 GLN R 372 REMARK 465 GLY R 373 REMARK 465 GLY R 374 REMARK 465 VAL R 375 REMARK 465 SER R 376 REMARK 465 SER R 377 REMARK 465 LEU R 378 REMARK 465 LEU R 379 REMARK 465 GLN R 380 REMARK 465 ASN R 381 REMARK 465 LEU R 382 REMARK 465 ALA R 383 REMARK 465 VAL R 384 REMARK 465 SER R 385 REMARK 465 VAL R 386 REMARK 465 THR R 387 REMARK 465 PRO R 388 REMARK 465 ILE R 389 REMARK 465 GLN R 390 REMARK 465 ARG R 391 REMARK 465 ILE R 392 REMARK 465 VAL R 393 REMARK 465 ARG R 394 REMARK 465 SER R 395 REMARK 465 GLY R 396 REMARK 465 GLU R 397 REMARK 465 ASN R 398 REMARK 465 ALA R 399 REMARK 465 LEU R 400 REMARK 465 LYS R 401 REMARK 465 ILE R 402 REMARK 465 ASP R 403 REMARK 465 ILE R 404 REMARK 465 HIS R 405 REMARK 465 VAL R 406 REMARK 465 ILE R 407 REMARK 465 ILE R 408 REMARK 465 PRO R 409 REMARK 465 TYR R 410 REMARK 465 GLU R 411 REMARK 465 GLY R 412 REMARK 465 LEU R 413 REMARK 465 SER R 414 REMARK 465 ALA R 415 REMARK 465 ASP R 416 REMARK 465 GLN R 417 REMARK 465 MET R 418 REMARK 465 ALA R 419 REMARK 465 GLN R 420 REMARK 465 ILE R 421 REMARK 465 GLU R 422 REMARK 465 GLU R 423 REMARK 465 VAL R 424 REMARK 465 PHE R 425 REMARK 465 LYS R 426 REMARK 465 VAL R 427 REMARK 465 VAL R 428 REMARK 465 TYR R 429 REMARK 465 PRO R 430 REMARK 465 VAL R 431 REMARK 465 ASP R 432 REMARK 465 ASP R 433 REMARK 465 HIS R 434 REMARK 465 HIS R 435 REMARK 465 PHE R 436 REMARK 465 LYS R 437 REMARK 465 VAL R 438 REMARK 465 ILE R 439 REMARK 465 LEU R 440 REMARK 465 PRO R 441 REMARK 465 TYR R 442 REMARK 465 GLY R 443 REMARK 465 THR R 444 REMARK 465 LEU R 445 REMARK 465 VAL R 446 REMARK 465 ILE R 447 REMARK 465 ASP R 448 REMARK 465 GLY R 449 REMARK 465 VAL R 450 REMARK 465 THR R 451 REMARK 465 PRO R 452 REMARK 465 ASN R 453 REMARK 465 MET R 454 REMARK 465 LEU R 455 REMARK 465 ASN R 456 REMARK 465 TYR R 457 REMARK 465 PHE R 458 REMARK 465 GLY R 459 REMARK 465 ARG R 460 REMARK 465 PRO R 461 REMARK 465 TYR R 462 REMARK 465 GLU R 463 REMARK 465 GLY R 464 REMARK 465 ILE R 465 REMARK 465 ALA R 466 REMARK 465 VAL R 467 REMARK 465 PHE R 468 REMARK 465 ASP R 469 REMARK 465 GLY R 470 REMARK 465 LYS R 471 REMARK 465 LYS R 472 REMARK 465 ILE R 473 REMARK 465 THR R 474 REMARK 465 VAL R 475 REMARK 465 THR R 476 REMARK 465 GLY R 477 REMARK 465 THR R 478 REMARK 465 LEU R 479 REMARK 465 TRP R 480 REMARK 465 ASN R 481 REMARK 465 GLY R 482 REMARK 465 ASN R 483 REMARK 465 LYS R 484 REMARK 465 ILE R 485 REMARK 465 ILE R 486 REMARK 465 ASP R 487 REMARK 465 GLU R 488 REMARK 465 ARG R 489 REMARK 465 LEU R 490 REMARK 465 ILE R 491 REMARK 465 THR R 492 REMARK 465 PRO R 493 REMARK 465 ASP R 494 REMARK 465 GLY R 495 REMARK 465 SER R 496 REMARK 465 MET R 497 REMARK 465 LEU R 498 REMARK 465 PHE R 499 REMARK 465 ARG R 500 REMARK 465 VAL R 501 REMARK 465 THR R 502 REMARK 465 ILE R 503 REMARK 465 ASN R 504 REMARK 465 SER R 505 REMARK 465 MET A 1 REMARK 465 GLY A 2 REMARK 465 CYS A 3 REMARK 465 THR A 4 REMARK 465 VAL A 58 REMARK 465 ASN 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 MET B -4 REMARK 465 GLY B -3 REMARK 465 SER B -2 REMARK 465 LEU B -1 REMARK 465 LEU B 0 REMARK 465 GLN B 1 REMARK 465 SER B 2 REMARK 465 GLU B 3 REMARK 465 LEU B 4 REMARK 465 GLY B 341 REMARK 465 SER B 342 REMARK 465 SER B 343 REMARK 465 GLY B 344 REMARK 465 GLY B 345 REMARK 465 GLY B 346 REMARK 465 GLY B 347 REMARK 465 SER B 348 REMARK 465 GLY B 349 REMARK 465 GLY B 350 REMARK 465 GLY B 351 REMARK 465 GLY B 352 REMARK 465 SER B 353 REMARK 465 SER B 354 REMARK 465 GLY B 355 REMARK 465 VAL B 356 REMARK 465 SER B 357 REMARK 465 GLY B 358 REMARK 465 TRP B 359 REMARK 465 ARG B 360 REMARK 465 LEU B 361 REMARK 465 PHE B 362 REMARK 465 LYS B 363 REMARK 465 LYS B 364 REMARK 465 ILE B 365 REMARK 465 SER B 366 REMARK 465 MET G 1 REMARK 465 ALA G 2 REMARK 465 SER G 3 REMARK 465 ASN G 4 REMARK 465 ASN G 5 REMARK 465 THR G 6 REMARK 465 ALA G 7 REMARK 465 SER G 8 REMARK 465 ILE G 9 REMARK 465 ALA G 10 REMARK 465 GLN G 11 REMARK 465 ARG G 62 REMARK 465 GLU G 63 REMARK 465 LYS G 64 REMARK 465 LYS G 65 REMARK 465 PHE G 66 REMARK 465 PHE G 67 REMARK 465 CYS G 68 REMARK 465 ALA G 69 REMARK 465 ILE G 70 REMARK 465 LEU G 71 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 TYR R 41 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLU R 42 CG CD OE1 OE2 REMARK 470 SER R 47 OG REMARK 470 LYS R 71 CG CD CE NZ REMARK 470 LYS R 73 CG CD CE NZ REMARK 470 ASP R 90 CG OD1 OD2 REMARK 470 SER R 132 OG REMARK 470 SER R 180 OG REMARK 470 VAL R 228 CG1 CG2 REMARK 470 SER R 270 OG REMARK 470 LYS R 311 CG CD CE NZ REMARK 470 LYS R 314 CG CD CE NZ REMARK 470 GLU R 315 CG CD OE1 OE2 REMARK 470 GLU A 20 CG CD OE1 OE2 REMARK 470 ASP A 42 CG OD1 OD2 REMARK 470 LYS A 51 CG CD CE NZ REMARK 470 GLU A 186 CG CD OE1 OE2 REMARK 470 LYS A 193 CG CD CE NZ REMARK 470 ASP A 217 CG OD1 OD2 REMARK 470 ARG A 250 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 272 CG CD CE NZ REMARK 470 LYS A 274 CG CD CE NZ REMARK 470 GLU A 276 CG CD OE1 OE2 REMARK 470 GLU A 294 CG CD OE1 OE2 REMARK 470 ASP A 321 CG OD1 OD2 REMARK 470 VAL A 334 CG1 CG2 REMARK 470 GLU A 337 CG CD OE1 OE2 REMARK 470 ASP B 5 CG OD1 OD2 REMARK 470 GLN B 6 CG CD OE1 NE2 REMARK 470 LEU B 7 CG CD1 CD2 REMARK 470 ARG B 8 CG CD NE CZ NH1 NH2 REMARK 470 GLN B 9 CG CD OE1 NE2 REMARK 470 GLU B 10 CG CD OE1 OE2 REMARK 470 GLU B 12 CG CD OE1 OE2 REMARK 470 GLN B 13 CG CD OE1 NE2 REMARK 470 LYS B 15 CG CD CE NZ REMARK 470 ASN B 16 CG OD1 ND2 REMARK 470 ARG B 19 CG CD NE CZ NH1 NH2 REMARK 470 ASP B 20 CG OD1 OD2 REMARK 470 ASP B 38 CG OD1 OD2 REMARK 470 ARG B 42 CG CD NE CZ NH1 NH2 REMARK 470 GLN B 44 CG CD OE1 NE2 REMARK 470 MET B 45 CG SD CE REMARK 470 ARG B 46 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 57 CG CD CE NZ REMARK 470 GLN B 75 CG CD OE1 NE2 REMARK 470 ARG B 96 CG CD NE CZ NH1 NH2 REMARK 470 SER B 97 OG REMARK 470 ARG B 129 CG CD NE CZ NH1 NH2 REMARK 470 ASP B 170 CG OD1 OD2 REMARK 470 GLU B 172 CG CD OE1 OE2 REMARK 470 THR B 173 OG1 CG2 REMARK 470 ARG B 197 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 214 CG CD NE CZ NH1 NH2 REMARK 470 MET B 217 CG SD CE REMARK 470 THR B 221 OG1 CG2 REMARK 470 SER B 245 OG REMARK 470 GLN B 259 CG CD OE1 NE2 REMARK 470 SER B 265 OG REMARK 470 ASP B 267 CG OD1 OD2 REMARK 470 LYS B 301 CG CD CE NZ REMARK 470 SER B 331 OG REMARK 470 ARG G 13 CG CD NE CZ NH1 NH2 REMARK 470 LYS G 14 CG CD CE NZ REMARK 470 LEU G 15 CG CD1 CD2 REMARK 470 GLU G 17 CG CD OE1 OE2 REMARK 470 GLN G 18 CG CD OE1 NE2 REMARK 470 LYS G 20 CG CD CE NZ REMARK 470 MET G 21 CG SD CE REMARK 470 ASN G 24 CG OD1 ND2 REMARK 470 ILE G 25 CG1 CG2 CD1 REMARK 470 ASP G 26 CG OD1 OD2 REMARK 470 ILE G 28 CG1 CG2 CD1 REMARK 470 LYS G 29 CG CD CE NZ REMARK 470 LYS G 32 CG CD CE NZ REMARK 470 LYS G 46 CG CD CE NZ REMARK 470 VAL G 54 CG1 CG2 REMARK 470 GLU G 58 CG CD OE1 OE2 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 OD1 ASP R 146 OH TYR R 157 2.08 REMARK 500 OE2 GLU A 297 OG1 THR A 302 2.13 REMARK 500 OG1 THR A 181 O HIS B 142 2.14 REMARK 500 O TYR R 187 OG SER R 190 2.15 REMARK 500 O SER R 85 OG SER R 139 2.16 REMARK 500 OG1 THR B 128 O ASN B 132 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 DPN P 5 131.66 71.81 REMARK 500 PRO R 78 -6.83 -57.54 REMARK 500 SER R 85 5.07 -68.44 REMARK 500 TYR R 187 33.05 -93.11 REMARK 500 HIS R 283 42.11 -140.60 REMARK 500 SER B 67 13.42 57.21 REMARK 500 ARG B 68 -61.55 -107.18 REMARK 500 THR B 87 18.05 59.11 REMARK 500 ASP B 291 23.76 -79.82 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA R 601 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU R 100 OE2 REMARK 620 2 ASP R 126 OD1 57.6 REMARK 620 3 ASP R 126 OD2 97.8 47.4 REMARK 620 N 1 2 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-67801 RELATED DB: EMDB REMARK 900 SETMELANOTIDE BOUND TO MC4R-GQ COMPLEX. CONSENSUS REFINEMENT REMARK 900 RELATED ID: EMD-67803 RELATED DB: EMDB REMARK 900 SETMELANOTIDE BOUND TO MC4R-GQ COMPLEX. LOCAL REFINEMENT REMARK 900 RELATED ID: EMD-67804 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE SETMELANOTIDE-BOUND HUMAN MELANOCORTIN REMARK 900 RECEPTOR 4 (MC4R)-GQ COMPLEX DBREF 21LT P 1 8 PDB 21LT 21LT 1 8 DBREF 21LT R 1 332 UNP P32245 MC4R_HUMAN 1 332 DBREF 21LT R 348 505 PDB 21LT 21LT 348 505 DBREF 21LT A 1 361 PDB 21LT 21LT 1 361 DBREF 21LT B 2 340 UNP P54311 GBB1_RAT 2 340 DBREF 21LT B 356 366 PDB 21LT 21LT 356 366 DBREF 21LT G 1 71 UNP P63212 GBG2_BOVIN 1 71 SEQADV 21LT GLY R 333 UNP P32245 LINKER SEQADV 21LT SER R 334 UNP P32245 LINKER SEQADV 21LT SER R 335 UNP P32245 LINKER SEQADV 21LT GLY R 336 UNP P32245 LINKER SEQADV 21LT GLY R 337 UNP P32245 LINKER SEQADV 21LT GLY R 338 UNP P32245 LINKER SEQADV 21LT GLY R 339 UNP P32245 LINKER SEQADV 21LT SER R 340 UNP P32245 LINKER SEQADV 21LT GLY R 341 UNP P32245 LINKER SEQADV 21LT GLY R 342 UNP P32245 LINKER SEQADV 21LT GLY R 343 UNP P32245 LINKER SEQADV 21LT GLY R 344 UNP P32245 LINKER SEQADV 21LT SER R 345 UNP P32245 LINKER SEQADV 21LT SER R 346 UNP P32245 LINKER SEQADV 21LT GLY R 347 UNP P32245 LINKER SEQADV 21LT MET B -4 UNP P54311 INITIATING METHIONINE SEQADV 21LT GLY B -3 UNP P54311 EXPRESSION TAG SEQADV 21LT SER B -2 UNP P54311 EXPRESSION TAG SEQADV 21LT LEU B -1 UNP P54311 EXPRESSION TAG SEQADV 21LT LEU B 0 UNP P54311 EXPRESSION TAG SEQADV 21LT GLN B 1 UNP P54311 EXPRESSION TAG SEQADV 21LT GLY B 341 UNP P54311 LINKER SEQADV 21LT SER B 342 UNP P54311 LINKER SEQADV 21LT SER B 343 UNP P54311 LINKER SEQADV 21LT GLY B 344 UNP P54311 LINKER SEQADV 21LT GLY B 345 UNP P54311 LINKER SEQADV 21LT GLY B 346 UNP P54311 LINKER SEQADV 21LT GLY B 347 UNP P54311 LINKER SEQADV 21LT SER B 348 UNP P54311 LINKER SEQADV 21LT GLY B 349 UNP P54311 LINKER SEQADV 21LT GLY B 350 UNP P54311 LINKER SEQADV 21LT GLY B 351 UNP P54311 LINKER SEQADV 21LT GLY B 352 UNP P54311 LINKER SEQADV 21LT SER B 353 UNP P54311 LINKER SEQADV 21LT SER B 354 UNP P54311 LINKER SEQADV 21LT GLY B 355 UNP P54311 LINKER SEQRES 1 P 8 ARG CYS DAL HIS DPN ARG TRP CYS SEQRES 1 R 505 MET VAL ASN SER THR HIS ARG GLY MET HIS THR SER LEU SEQRES 2 R 505 HIS LEU TRP ASN ARG SER SER TYR ARG LEU HIS SER ASN SEQRES 3 R 505 ALA SER GLU SER LEU GLY LYS GLY TYR SER ASP GLY GLY SEQRES 4 R 505 CYS TYR GLU GLN LEU PHE VAL SER PRO GLU VAL PHE VAL SEQRES 5 R 505 THR LEU GLY VAL ILE SER LEU LEU GLU ASN ILE LEU VAL SEQRES 6 R 505 ILE VAL ALA ILE ALA LYS ASN LYS ASN LEU HIS SER PRO SEQRES 7 R 505 MET TYR PHE PHE ILE CYS SER LEU ALA VAL ALA ASP MET SEQRES 8 R 505 LEU VAL SER VAL SER ASN GLY SER GLU THR ILE VAL ILE SEQRES 9 R 505 THR LEU LEU ASN SER THR ASP THR ASP ALA GLN SER PHE SEQRES 10 R 505 THR VAL ASN ILE ASP ASN VAL ILE ASP SER VAL ILE CYS SEQRES 11 R 505 SER SER LEU LEU ALA SER ILE CYS SER LEU LEU SER ILE SEQRES 12 R 505 ALA VAL ASP ARG TYR PHE THR ILE PHE TYR ALA LEU GLN SEQRES 13 R 505 TYR HIS ASN ILE MET THR VAL LYS ARG VAL GLY ILE ILE SEQRES 14 R 505 ILE SER CYS ILE TRP ALA ALA CYS THR VAL SER GLY ILE SEQRES 15 R 505 LEU PHE ILE ILE TYR SER ASP SER SER ALA VAL ILE ILE SEQRES 16 R 505 CYS LEU ILE THR MET PHE PHE THR MET LEU ALA LEU MET SEQRES 17 R 505 ALA SER LEU TYR VAL HIS MET PHE LEU MET ALA ARG LEU SEQRES 18 R 505 HIS ILE LYS ARG ILE ALA VAL LEU PRO GLY THR GLY ALA SEQRES 19 R 505 ILE ARG GLN GLY ALA ASN MET LYS GLY ALA ILE THR LEU SEQRES 20 R 505 THR ILE LEU ILE GLY VAL PHE VAL VAL CYS TRP ALA PRO SEQRES 21 R 505 PHE PHE LEU HIS LEU ILE PHE TYR ILE SER CYS PRO GLN SEQRES 22 R 505 ASN PRO TYR CYS VAL CYS PHE MET SER HIS PHE ASN LEU SEQRES 23 R 505 TYR LEU ILE LEU ILE MET CYS ASN SER ILE ILE ASP PRO SEQRES 24 R 505 LEU ILE TYR ALA LEU ARG SER GLN GLU LEU ARG LYS THR SEQRES 25 R 505 PHE LYS GLU ILE ILE CYS CYS TYR PRO LEU GLY GLY LEU SEQRES 26 R 505 CYS ASP LEU SER SER ARG TYR GLY SER SER GLY GLY GLY SEQRES 27 R 505 GLY SER GLY GLY GLY GLY SER SER GLY VAL PHE THR LEU SEQRES 28 R 505 GLU ASP PHE VAL GLY ASP TRP GLU GLN THR ALA ALA TYR SEQRES 29 R 505 ASN LEU ASP GLN VAL LEU GLU GLN GLY GLY VAL SER SER SEQRES 30 R 505 LEU LEU GLN ASN LEU ALA VAL SER VAL THR PRO ILE GLN SEQRES 31 R 505 ARG ILE VAL ARG SER GLY GLU ASN ALA LEU LYS ILE ASP SEQRES 32 R 505 ILE HIS VAL ILE ILE PRO TYR GLU GLY LEU SER ALA ASP SEQRES 33 R 505 GLN MET ALA GLN ILE GLU GLU VAL PHE LYS VAL VAL TYR SEQRES 34 R 505 PRO VAL ASP ASP HIS HIS PHE LYS VAL ILE LEU PRO TYR SEQRES 35 R 505 GLY THR LEU VAL ILE ASP GLY VAL THR PRO ASN MET LEU SEQRES 36 R 505 ASN TYR PHE GLY ARG PRO TYR GLU GLY ILE ALA VAL PHE SEQRES 37 R 505 ASP GLY LYS LYS ILE THR VAL THR GLY THR LEU TRP ASN SEQRES 38 R 505 GLY ASN LYS ILE ILE ASP GLU ARG LEU ILE THR PRO ASP SEQRES 39 R 505 GLY SER MET LEU PHE ARG VAL THR ILE ASN SER SEQRES 1 A 361 MET GLY CYS THR LEU SER ALA GLU ASP LYS ALA ALA VAL SEQRES 2 A 361 GLU ARG SER LYS MET ILE GLU LYS GLN LEU GLN LYS ASP SEQRES 3 A 361 LYS GLN VAL TYR ARG ARG THR LEU ARG LEU LEU LEU LEU SEQRES 4 A 361 GLY ALA ASP ASN SER GLY LYS SER THR ILE VAL LYS GLN SEQRES 5 A 361 MET ARG ILE TYR HIS VAL ASN GLY TYR SER GLU GLU GLU SEQRES 6 A 361 CYS LYS GLN TYR LYS ALA VAL VAL TYR SER ASN THR ILE SEQRES 7 A 361 GLN SER ILE ILE ALA ILE ILE ARG ALA MET GLY ARG LEU SEQRES 8 A 361 LYS ILE ASP PHE GLY ASP SER ALA ARG ALA ASP ASP ALA SEQRES 9 A 361 ARG GLN LEU PHE VAL LEU ALA GLY ALA ALA GLU GLU GLY SEQRES 10 A 361 PHE MET THR ALA GLU LEU ALA GLY VAL ILE LYS ARG LEU SEQRES 11 A 361 TRP LYS ASP SER GLY VAL GLN ALA CYS PHE ASN ARG SER SEQRES 12 A 361 ARG GLU TYR GLN LEU ASN ASP SER ALA ALA TYR TYR LEU SEQRES 13 A 361 ASN ASP LEU ASP ARG ILE ALA GLN PRO ASN TYR ILE PRO SEQRES 14 A 361 THR GLN GLN ASP VAL LEU ARG THR ARG VAL LYS THR SER SEQRES 15 A 361 GLY ILE PHE GLU THR LYS PHE GLN VAL ASP LYS VAL ASN SEQRES 16 A 361 PHE HIS MET PHE ASP VAL GLY ALA GLN ARG ASP GLU ARG SEQRES 17 A 361 ARG LYS TRP ILE GLN CYS PHE ASN ASP VAL THR ALA ILE SEQRES 18 A 361 ILE PHE VAL VAL ASP SER SER ASP TYR ASN ARG LEU GLN SEQRES 19 A 361 GLU ALA LEU ASN ASP PHE LYS SER ILE TRP ASN ASN ARG SEQRES 20 A 361 TRP LEU ARG THR ILE SER VAL ILE LEU PHE LEU ASN LYS SEQRES 21 A 361 GLN ASP LEU LEU ALA GLU LYS VAL LEU ALA GLY LYS SER SEQRES 22 A 361 LYS ILE GLU ASP TYR PHE PRO GLU PHE ALA ARG TYR THR SEQRES 23 A 361 THR PRO GLU ASP ALA THR PRO GLU PRO GLY GLU ASP PRO SEQRES 24 A 361 ARG VAL THR ARG ALA LYS TYR PHE ILE ARG LYS GLU PHE SEQRES 25 A 361 VAL ASP ILE SER THR ALA SER GLY ASP GLY ARG HIS ILE SEQRES 26 A 361 CYS TYR PRO HIS PHE THR CYS SER VAL ASP THR GLU ASN SEQRES 27 A 361 ALA ARG ARG ILE PHE ASN ASP CYS LYS ASP ILE ILE LEU SEQRES 28 A 361 GLN MET ASN LEU ARG GLU TYR ASN LEU VAL SEQRES 1 B 371 MET GLY SER LEU LEU GLN SER GLU LEU ASP GLN LEU ARG SEQRES 2 B 371 GLN GLU ALA GLU GLN LEU LYS ASN GLN ILE ARG ASP ALA SEQRES 3 B 371 ARG LYS ALA CYS ALA ASP ALA THR LEU SER GLN ILE THR SEQRES 4 B 371 ASN ASN ILE ASP PRO VAL GLY ARG ILE GLN MET ARG THR SEQRES 5 B 371 ARG ARG THR LEU ARG GLY HIS LEU ALA LYS ILE TYR ALA SEQRES 6 B 371 MET HIS TRP GLY THR ASP SER ARG LEU LEU VAL SER ALA SEQRES 7 B 371 SER GLN ASP GLY LYS LEU ILE ILE TRP ASP SER TYR THR SEQRES 8 B 371 THR ASN LYS VAL HIS ALA ILE PRO LEU ARG SER SER TRP SEQRES 9 B 371 VAL MET THR CYS ALA TYR ALA PRO SER GLY ASN TYR VAL SEQRES 10 B 371 ALA CYS GLY GLY LEU ASP ASN ILE CYS SER ILE TYR ASN SEQRES 11 B 371 LEU LYS THR ARG GLU GLY ASN VAL ARG VAL SER ARG GLU SEQRES 12 B 371 LEU ALA GLY HIS THR GLY TYR LEU SER CYS CYS ARG PHE SEQRES 13 B 371 LEU ASP ASP ASN GLN ILE VAL THR SER SER GLY ASP THR SEQRES 14 B 371 THR CYS ALA LEU TRP ASP ILE GLU THR GLY GLN GLN THR SEQRES 15 B 371 THR THR PHE THR GLY HIS THR GLY ASP VAL MET SER LEU SEQRES 16 B 371 SER LEU ALA PRO ASP THR ARG LEU PHE VAL SER GLY ALA SEQRES 17 B 371 CYS ASP ALA SER ALA LYS LEU TRP ASP VAL ARG GLU GLY SEQRES 18 B 371 MET CYS ARG GLN THR PHE THR GLY HIS GLU SER ASP ILE SEQRES 19 B 371 ASN ALA ILE CYS PHE PHE PRO ASN GLY ASN ALA PHE ALA SEQRES 20 B 371 THR GLY SER ASP ASP ALA THR CYS ARG LEU PHE ASP LEU SEQRES 21 B 371 ARG ALA ASP GLN GLU LEU MET THR TYR SER HIS ASP ASN SEQRES 22 B 371 ILE ILE CYS GLY ILE THR SER VAL SER PHE SER LYS SER SEQRES 23 B 371 GLY ARG LEU LEU LEU ALA GLY TYR ASP ASP PHE ASN CYS SEQRES 24 B 371 ASN VAL TRP ASP ALA LEU LYS ALA ASP ARG ALA GLY VAL SEQRES 25 B 371 LEU ALA GLY HIS ASP ASN ARG VAL SER CYS LEU GLY VAL SEQRES 26 B 371 THR ASP ASP GLY MET ALA VAL ALA THR GLY SER TRP ASP SEQRES 27 B 371 SER PHE LEU LYS ILE TRP ASN GLY SER SER GLY GLY GLY SEQRES 28 B 371 GLY SER GLY GLY GLY GLY SER SER GLY VAL SER GLY TRP SEQRES 29 B 371 ARG LEU PHE LYS LYS ILE SER SEQRES 1 G 71 MET ALA SER ASN ASN THR ALA SER ILE ALA GLN ALA ARG SEQRES 2 G 71 LYS LEU VAL GLU GLN LEU LYS MET GLU ALA ASN ILE ASP SEQRES 3 G 71 ARG ILE LYS VAL SER LYS ALA ALA ALA ASP LEU MET ALA SEQRES 4 G 71 TYR CYS GLU ALA HIS ALA LYS GLU ASP PRO LEU LEU THR SEQRES 5 G 71 PRO VAL PRO ALA SER GLU ASN PRO PHE ARG GLU LYS LYS SEQRES 6 G 71 PHE PHE CYS ALA ILE LEU HET DAL P 3 5 HET DPN P 5 11 HET CA R 601 1 HETNAM DAL D-ALANINE HETNAM DPN D-PHENYLALANINE HETNAM CA CALCIUM ION FORMUL 1 DAL C3 H7 N O2 FORMUL 1 DPN C9 H11 N O2 FORMUL 6 CA CA 2+ HELIX 1 AA1 SER R 47 LYS R 71 1 25 HELIX 2 AA2 SER R 77 LEU R 106 1 30 HELIX 3 AA3 THR R 118 TYR R 153 1 36 HELIX 4 AA4 GLN R 156 MET R 161 1 6 HELIX 5 AA5 THR R 162 TYR R 187 1 26 HELIX 6 AA6 SER R 190 ALA R 227 1 38 HELIX 7 AA7 MET R 241 SER R 270 1 30 HELIX 8 AA8 PHE R 280 SER R 282 5 3 HELIX 9 AA9 HIS R 283 ALA R 303 1 21 HELIX 10 AB1 SER R 306 GLU R 315 1 10 HELIX 11 AB2 SER A 6 THR A 33 1 28 HELIX 12 AB3 GLY A 45 HIS A 57 1 13 HELIX 13 AB4 LYS A 210 ASN A 216 5 7 HELIX 14 AB5 ARG A 232 ASN A 245 1 14 HELIX 15 AB6 ASN A 246 ARG A 250 5 5 HELIX 16 AB7 LYS A 260 GLY A 271 1 12 HELIX 17 AB8 LYS A 274 PHE A 279 1 6 HELIX 18 AB9 PRO A 280 ALA A 283 5 4 HELIX 19 AC1 ASP A 298 ALA A 318 1 21 HELIX 20 AC2 GLU A 337 ASN A 359 1 23 HELIX 21 AC3 GLN B 6 ALA B 26 1 21 HELIX 22 AC4 THR B 29 THR B 34 1 6 HELIX 23 AC5 ASN B 35 ILE B 37 5 3 HELIX 24 AC6 ARG G 13 ASN G 24 1 12 HELIX 25 AC7 LYS G 29 HIS G 44 1 16 SHEET 1 AA1 6 ILE A 184 VAL A 191 0 SHEET 2 AA1 6 VAL A 194 VAL A 201 -1 O MET A 198 N THR A 187 SHEET 3 AA1 6 LEU A 34 LEU A 39 1 N LEU A 34 O HIS A 197 SHEET 4 AA1 6 ALA A 220 ASP A 226 1 O ILE A 222 N LEU A 39 SHEET 5 AA1 6 SER A 253 ASN A 259 1 O PHE A 257 N VAL A 225 SHEET 6 AA1 6 CYS A 326 HIS A 329 1 O HIS A 329 N LEU A 258 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 TYR B 59 SHEET 3 AA3 4 LYS B 78 ASP B 83 -1 O LYS B 78 N SER B 74 SHEET 4 AA3 4 LYS B 89 PRO B 94 -1 O ILE B 93 N LEU B 79 SHEET 1 AA4 4 VAL B 100 TYR B 105 0 SHEET 2 AA4 4 TYR B 111 GLY B 116 -1 O ALA B 113 N ALA B 104 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 SER B 136 N ILE B 123 SHEET 1 AA5 4 LEU B 146 ASP B 153 0 SHEET 2 AA5 4 GLN B 156 SER B 161 -1 O VAL B 158 N ARG B 150 SHEET 3 AA5 4 CYS B 166 ASP B 170 -1 O TRP B 169 N ILE B 157 SHEET 4 AA5 4 GLN B 175 PHE B 180 -1 O PHE B 180 N CYS B 166 SHEET 1 AA6 4 VAL B 187 LEU B 192 0 SHEET 2 AA6 4 LEU B 198 ALA B 203 -1 O GLY B 202 N MET B 188 SHEET 3 AA6 4 ALA B 208 ASP B 212 -1 O TRP B 211 N PHE B 199 SHEET 4 AA6 4 CYS B 218 PHE B 222 -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 GLY B 244 N ASN B 230 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 TYR B 264 -1 O LEU B 261 N LEU B 252 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 VAL B 307 -1 O ALA B 305 N VAL B 296 SSBOND 1 CYS P 2 CYS P 8 1555 1555 2.03 SSBOND 2 CYS R 40 CYS R 279 1555 1555 2.03 SSBOND 3 CYS R 271 CYS R 277 1555 1555 2.04 LINK C CYS P 2 N DAL P 3 1555 1555 1.33 LINK C DAL P 3 N HIS P 4 1555 1555 1.33 LINK C HIS P 4 N DPN P 5 1555 1555 1.32 LINK C DPN P 5 N ARG P 6 1555 1555 1.32 LINK OE2 GLU R 100 CA CA R 601 1555 1555 3.07 LINK OD1 ASP R 126 CA CA R 601 1555 1555 2.53 LINK OD2 ASP R 126 CA CA R 601 1555 1555 2.86 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 14 18 CONECT 17 74 CONECT 18 14 19 CONECT 19 18 20 21 CONECT 20 19 CONECT 21 19 22 23 CONECT 22 21 CONECT 23 21 CONECT 25 33 CONECT 33 25 34 CONECT 34 33 35 37 CONECT 35 34 36 44 CONECT 36 35 CONECT 37 34 38 CONECT 38 37 39 40 CONECT 39 38 41 CONECT 40 38 42 CONECT 41 39 43 CONECT 42 40 43 CONECT 43 41 42 CONECT 44 35 CONECT 74 17 CONECT 81 1781 CONECT 519 6753 CONECT 672 6753 CONECT 673 6753 CONECT 1719 1768 CONECT 1768 1719 CONECT 1781 81 CONECT 6753 519 672 673 MASTER 676 0 3 25 34 0 0 6 6748 5 30 103 END