HEADER ION CHANNEL/RECEPTOR 24-MAR-03 1OED TITLE STRUCTURE OF ACETYLCHOLINE RECEPTOR PORE FROM ELECTRON IMAGES COMPND MOL_ID: 1; COMPND 2 MOLECULE: ACETYLCHOLINE RECEPTOR SUBUNIT ALPHA; COMPND 3 CHAIN: A, D; COMPND 4 FRAGMENT: MEMBRANE-SPANNING DOMAIN, RESIDUES 235-461; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: ACETYLCHOLINE RECEPTOR BETA SUBUNIT; COMPND 7 CHAIN: B; COMPND 8 FRAGMENT: MEMBRANE-SPANNING DOMAIN, RESIDUES 241-490; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: ACETYLCHOLINE RECEPTOR DELTA SUBUNIT; COMPND 11 CHAIN: C; COMPND 12 FRAGMENT: MEMBRANE-SPANNING DOMAIN, RESIDUES 246-505; COMPND 13 MOL_ID: 4; COMPND 14 MOLECULE: ACETYLCHOLINE RECEPTOR GAMMA SUBUNIT; COMPND 15 CHAIN: E; COMPND 16 FRAGMENT: MEMBRANE-SPANNING DOMAIN, RESIDUES 236-495 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TORPEDO MARMORATA; SOURCE 3 ORGANISM_COMMON: MARBLED ELECTRIC RAY; SOURCE 4 ORGANISM_TAXID: 7788; SOURCE 5 ORGAN: ELECTRIC ORGAN; SOURCE 6 TISSUE: DERIVED FROM MUSCLE; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: TORPEDO MARMORATA; SOURCE 9 ORGANISM_COMMON: MARBLED ELECTRIC RAY; SOURCE 10 ORGANISM_TAXID: 7788; SOURCE 11 ORGAN: ELECTRIC ORGAN; SOURCE 12 TISSUE: DERIVED FROM MUSCLE; SOURCE 13 MOL_ID: 3; SOURCE 14 ORGANISM_SCIENTIFIC: TORPEDO MARMORATA; SOURCE 15 ORGANISM_COMMON: MARBLED ELECTRIC RAY; SOURCE 16 ORGANISM_TAXID: 7788; SOURCE 17 ORGAN: ELECTRIC ORGAN; SOURCE 18 TISSUE: DERIVED FROM MUSCLE; SOURCE 19 MOL_ID: 4; SOURCE 20 ORGANISM_SCIENTIFIC: TORPEDO MARMORATA; SOURCE 21 ORGANISM_COMMON: MARBLED ELECTRIC RAY; SOURCE 22 ORGANISM_TAXID: 7788; SOURCE 23 ORGAN: ELECTRIC ORGAN; SOURCE 24 TISSUE: DERIVED FROM MUSCLE KEYWDS ION CHANNEL/RECEPTOR, ION CHANNEL, TUBULAR CRYSTAL, ACETYLCHOLINE KEYWDS 2 RECEPTOR, TRANSMEMBRANE, ION CHANNEL-RECEPTOR COMPLEX EXPDTA ELECTRON MICROSCOPY AUTHOR A.MIYAZAWA,Y.FUJIYOSHI,N.UNWIN REVDAT 4 11-SEP-19 1OED 1 COMPND SOURCE JRNL DBREF REVDAT 4 2 1 SEQADV REVDAT 3 24-FEB-09 1OED 1 VERSN REVDAT 2 04-JUL-03 1OED 1 SCALE1 SCALE2 SCALE3 REVDAT 1 26-JUN-03 1OED 0 JRNL AUTH A.MIYAZAWA,Y.FUJIYOSHI,N.UNWIN JRNL TITL STRUCTURE AND GATING MECHANISM OF THE ACETYLCHOLINE RECEPTOR JRNL TITL 2 PORE. JRNL REF NATURE V. 423 949 2003 JRNL REFN ESSN 1476-4687 JRNL PMID 12827192 JRNL DOI 10.1038/NATURE01748 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH N.UNWIN,A.MIYAZAWA,J.LI,Y.FUJIYOSHI REMARK 1 TITL ACTIVATION OF THE NICOTINIC ACETYLCHOLINE RECEPTOR INVOLVES REMARK 1 TITL 2 A SWITCH IN CONFORMATION OF THE ALPHA SUBUNITS REMARK 1 REF J.MOL.BIOL. V. 319 1165 2002 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 12079355 REMARK 1 DOI 10.1016/S0022-2836(02)00381-9 REMARK 1 REFERENCE 2 REMARK 1 AUTH N.UNWIN REMARK 1 TITL NICOTINIC ACETYLCHOLINE RECEPTOR AT 9A RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 229 1101 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 8445638 REMARK 1 DOI 10.1006/JMBI.1993.1107 REMARK 1 REFERENCE 3 REMARK 1 AUTH A.MIYAZAWA,Y.FUJIYOSHI,M.STOWELL,N.UNWIN REMARK 1 TITL NICOTINIC ACETYLCHOLINE RECEPTOR AT 4.6A RESOLUTION REMARK 1 TITL 2 TRANSVERSE TUNNELS IN THE CHANNEL WALL. REMARK 1 REF J.MOL.BIOL. V. 288 765 1999 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 10329178 REMARK 1 DOI 10.1006/JMBI.1999.2721 REMARK 2 REMARK 2 RESOLUTION. 4.00 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) : 4.000 REMARK 3 NUMBER OF PARTICLES : NULL REMARK 3 CTF CORRECTION METHOD : NULL REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NO REFINEMENT WAS CARRIED OUT ON THE MODEL. THE REMARK 3 COORDINATES ARE PRELIMINARY. INCLUDED ARE ALL RESIDUES IN THE REMARK 3 TRANSMEMBRANE SEGMENTS M1-M3 AND M4, AND THE CONNECTING LINKS M1- REMARK 3 M2 AND M2-M3. THE EXTENDED LOOP BETWEEN M3 AND M4, FORMING THE REMARK 3 INTRACELLULAR DOMAIN OF THE RECEPTOR, AND SEVERAL OF THE C - REMARK 3 TERMINAL RESIDUES ON M4 (CHAINS B, C AND E) ARE OMITTED. THE REMARK 3 LINK BETWEEN M1 AND M2 WAS POORLY RESOLVED AND THE TRACE HERE IS REMARK 3 ALMOST CERTAINLY WRONG IN DETAIL. IT IS HOPED THAT WITH IMPROVED REMARK 3 DATA AND WITH REFINEMENT A MORE ACCURATE MODEL WILL BE OBTAINED. REMARK 3 THESE COORDINATES, INCLUDING ESTIMATES OF SIDE CHAIN POSITIONS, REMARK 3 ARE BEING MADE AVAILABLE IN THE HOPE THAT THEY WILL BE USEFUL. REMARK 3 USERS SHOULD BEAR IN MIND THAT BECAUSE OF THE LIMITED RESOLUTION REMARK 3 THE CONFORMATIONS OF THE SIDE CHAINS AND THEIR ATOMIC REMARK 3 COORDINATES ARE NOT INDIVIDUALLY RELIABLE. ALSO THE ENDS OF THE REMARK 3 HELICES ARE UNCERTAIN BY AT LEAST ONE RESIDUE. THE SURFACE REMARK 3 LATTICE OF THE TUBULAR CRYSTALS HAS P2 SYMMETRY. THE FOUR REMARK 3 HELICAL FAMILIES, DEFINED BY THE NUMBERS OF THE TWO PRINCIPAL REMARK 3 HELICES REQUIRED TO FILL 360 DEGREES OF AZIMUTH, WERE: (-16,6),(- REMARK 3 18,6),(-17,5),(-15,7). NEGATIVE INDICATES LEFT-HANDED. TO REMARK 3 COMPARE AND COMBINE FOURIER TERMS FROM WITHIN A FAMILY IT WAS REMARK 3 USUALLY NECESSARY TO REASSIGN LAYER-LINES TO MATCH THOSE REMARK 3 CORRESPONDING TO A STANDARD HELICAL SELECTION RULE DEFINING A REMARK 3 TYPICAL SET OF POSITIONS IN THE TRANSFORM. THE STANDARD REMARK 3 SELECTION RULES WERE: L = 113N' + 314M (N = 2N') (-16,6) L = 25N' REMARK 3 + 112M (N = 6N') (-18,6) L = 247N + 605M (-17,5) L = -91N + REMARK 3 662M (-15,7) WHERE L IS THE LAYER-LINE NUMBER, M IS AN INTEGER, REMARK 3 N IS THE START NUMBER (I.E. NUMBER AROUND THE CIRCUMFERENCE) OF REMARK 3 THE CONTRIBUTING HELIX, AND N=2N' INDICATES THAT THE START REMARK 3 NUMBERS OCCUR IN MULTIPLES OF 2. REMARK 4 REMARK 4 1OED COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE. REMARK 100 THE DEPOSITION ID IS D_1290012406. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : HELICAL REMARK 245 SPECIMEN TYPE : VITREOUS ICE (CRYO EM) REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : FILAMENT REMARK 245 PARTICLE TYPE : HELICAL REMARK 245 NAME OF SAMPLE : POSTSYNAPTIC MEMBRANE REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : HOLEY CARBON REMARK 245 SAMPLE VITRIFICATION DETAILS : LIQUID ETHANE REMARK 245 SAMPLE BUFFER : SODIUM CACODYLATE REMARK 245 PH : 6.80 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : 01-OCT-02 REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : 4.20 REMARK 245 MICROSCOPE MODEL : JEOL 3000SFF REMARK 245 DETECTOR TYPE : KODAK SO-163 FILM REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 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 : 1.30 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 20.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 40000 REMARK 245 CALIBRATED MAGNIFICATION : 36800 REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : THE SPECIMENS WERE TUBULAR REMARK 245 CRYSTALS GROWN IN LOW SALT BUFFER FROM ISOLATED TORPEDO REMARK 245 POSTSYNAPTIC MEMBRANES. THEY WERE APPLIED TO THE THE MICROSCOPE REMARK 245 GRIDS AND FROZEN IN THE SAME SOLUTION. THESE CRYSTALS WERE TOO REMARK 245 SMALL AND DISTORTED TO YIELD MEANINGFUL ELECTRON DIFFRACTION REMARK 245 PATTERNS, SO BOTH THE AMPLITUDE AND THE PHASE TERMS HAD TO BE REMARK 245 MEASURED FROM FOURIER TRANSFORMS OF THE IMAGES. THE IMAGES WERE REMARK 245 RECORDED USING A DOSE OF 2000 ELECTRONS/NM2 DURING THE PERIOD: REMARK 245 JAN-1996 TO OCT-2002. THE DATASETS INVOLVED 4 HELICAL FAMILIES REMARK 245 OF TUBES, WHICH WERE ANALYSED (INCLUDING CORRECTIONS FOR REMARK 245 DISTORTIONS) AS DESCRIBED IN THE REFERENCES. STRUCTURES WERE REMARK 245 SYNTHESISED FROM THE AMPLITUDE AND PHASE TERMS DERIVED FROM EACH REMARK 245 HELICAL FAMILY. THE FINAL DATASET WAS OBTAINED BY AVERAGING REMARK 245 THESE 4 STRUCTURES IN REAL SPACE. 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: PENTAMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E 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 PRO A 303 REMARK 465 SER A 304 REMARK 465 THR A 305 REMARK 465 HIS A 306 REMARK 465 THR A 307 REMARK 465 MET A 308 REMARK 465 PRO A 309 REMARK 465 GLN A 310 REMARK 465 TRP A 311 REMARK 465 VAL A 312 REMARK 465 ARG A 313 REMARK 465 LYS A 314 REMARK 465 ILE A 315 REMARK 465 PHE A 316 REMARK 465 ILE A 317 REMARK 465 ASP A 318 REMARK 465 THR A 319 REMARK 465 ILE A 320 REMARK 465 PRO A 321 REMARK 465 ASN A 322 REMARK 465 VAL A 323 REMARK 465 MET A 324 REMARK 465 PHE A 325 REMARK 465 PHE A 326 REMARK 465 SER A 327 REMARK 465 THR A 328 REMARK 465 MET A 329 REMARK 465 LYS A 330 REMARK 465 ARG A 331 REMARK 465 ALA A 332 REMARK 465 SER A 333 REMARK 465 LYS A 334 REMARK 465 GLU A 335 REMARK 465 LYS A 336 REMARK 465 GLN A 337 REMARK 465 GLU A 338 REMARK 465 ASN A 339 REMARK 465 LYS A 340 REMARK 465 ILE A 341 REMARK 465 PHE A 342 REMARK 465 ALA A 343 REMARK 465 ASP A 344 REMARK 465 ASP A 345 REMARK 465 ILE A 346 REMARK 465 ASP A 347 REMARK 465 ILE A 348 REMARK 465 SER A 349 REMARK 465 ASP A 350 REMARK 465 ILE A 351 REMARK 465 SER A 352 REMARK 465 GLY A 353 REMARK 465 LYS A 354 REMARK 465 GLN A 355 REMARK 465 VAL A 356 REMARK 465 THR A 357 REMARK 465 GLY A 358 REMARK 465 GLU A 359 REMARK 465 VAL A 360 REMARK 465 ILE A 361 REMARK 465 PHE A 362 REMARK 465 GLN A 363 REMARK 465 THR A 364 REMARK 465 PRO A 365 REMARK 465 LEU A 366 REMARK 465 ILE A 367 REMARK 465 LYS A 368 REMARK 465 ASN A 369 REMARK 465 PRO A 370 REMARK 465 ASP A 371 REMARK 465 VAL A 372 REMARK 465 LYS A 373 REMARK 465 SER A 374 REMARK 465 ALA A 375 REMARK 465 ILE A 376 REMARK 465 GLU A 377 REMARK 465 GLY A 378 REMARK 465 VAL A 379 REMARK 465 LYS A 380 REMARK 465 TYR A 381 REMARK 465 ILE A 382 REMARK 465 ALA A 383 REMARK 465 GLU A 384 REMARK 465 HIS A 385 REMARK 465 MET A 386 REMARK 465 LYS A 387 REMARK 465 SER A 388 REMARK 465 ASP A 389 REMARK 465 GLU A 390 REMARK 465 GLU A 391 REMARK 465 SER A 392 REMARK 465 SER A 393 REMARK 465 ASN A 394 REMARK 465 ALA A 395 REMARK 465 ALA A 396 REMARK 465 GLU A 397 REMARK 465 GLU A 398 REMARK 465 TRP A 399 REMARK 465 LYS A 400 REMARK 465 TYR A 401 REMARK 465 VAL A 402 REMARK 465 PRO B 309 REMARK 465 ASN B 310 REMARK 465 THR B 311 REMARK 465 HIS B 312 REMARK 465 THR B 313 REMARK 465 MET B 314 REMARK 465 PRO B 315 REMARK 465 ASN B 316 REMARK 465 TRP B 317 REMARK 465 ILE B 318 REMARK 465 ARG B 319 REMARK 465 GLN B 320 REMARK 465 ILE B 321 REMARK 465 PHE B 322 REMARK 465 ILE B 323 REMARK 465 GLU B 324 REMARK 465 THR B 325 REMARK 465 LEU B 326 REMARK 465 PRO B 327 REMARK 465 PRO B 328 REMARK 465 PHE B 329 REMARK 465 LEU B 330 REMARK 465 TRP B 331 REMARK 465 ILE B 332 REMARK 465 GLN B 333 REMARK 465 ARG B 334 REMARK 465 PRO B 335 REMARK 465 VAL B 336 REMARK 465 THR B 337 REMARK 465 THR B 338 REMARK 465 PRO B 339 REMARK 465 SER B 340 REMARK 465 PRO B 341 REMARK 465 ASP B 342 REMARK 465 SER B 343 REMARK 465 LYS B 344 REMARK 465 PRO B 345 REMARK 465 THR B 346 REMARK 465 ILE B 347 REMARK 465 ILE B 348 REMARK 465 SER B 349 REMARK 465 ARG B 350 REMARK 465 ALA B 351 REMARK 465 ASN B 352 REMARK 465 ASP B 353 REMARK 465 GLU B 354 REMARK 465 TYR B 355 REMARK 465 PHE B 356 REMARK 465 ILE B 357 REMARK 465 ARG B 358 REMARK 465 LYS B 359 REMARK 465 PRO B 360 REMARK 465 ALA B 361 REMARK 465 GLY B 362 REMARK 465 ASP B 363 REMARK 465 PHE B 364 REMARK 465 VAL B 365 REMARK 465 CYS B 366 REMARK 465 PRO B 367 REMARK 465 VAL B 368 REMARK 465 ASP B 369 REMARK 465 ASN B 370 REMARK 465 ALA B 371 REMARK 465 ARG B 372 REMARK 465 VAL B 373 REMARK 465 ALA B 374 REMARK 465 VAL B 375 REMARK 465 GLN B 376 REMARK 465 PRO B 377 REMARK 465 GLU B 378 REMARK 465 ARG B 379 REMARK 465 LEU B 380 REMARK 465 PHE B 381 REMARK 465 SER B 382 REMARK 465 GLU B 383 REMARK 465 MET B 384 REMARK 465 LYS B 385 REMARK 465 TRP B 386 REMARK 465 HIS B 387 REMARK 465 LEU B 388 REMARK 465 ASN B 389 REMARK 465 GLY B 390 REMARK 465 LEU B 391 REMARK 465 THR B 392 REMARK 465 GLN B 393 REMARK 465 PRO B 394 REMARK 465 VAL B 395 REMARK 465 THR B 396 REMARK 465 LEU B 397 REMARK 465 PRO B 398 REMARK 465 GLN B 399 REMARK 465 ASP B 400 REMARK 465 LEU B 401 REMARK 465 LYS B 402 REMARK 465 GLU B 403 REMARK 465 ALA B 404 REMARK 465 VAL B 405 REMARK 465 GLU B 406 REMARK 465 ALA B 407 REMARK 465 ILE B 408 REMARK 465 LYS B 409 REMARK 465 TYR B 410 REMARK 465 ILE B 411 REMARK 465 ALA B 412 REMARK 465 GLU B 413 REMARK 465 GLN B 414 REMARK 465 LEU B 415 REMARK 465 GLU B 416 REMARK 465 SER B 417 REMARK 465 ALA B 418 REMARK 465 SER B 419 REMARK 465 GLU B 420 REMARK 465 PHE B 421 REMARK 465 ASP B 422 REMARK 465 ASP B 423 REMARK 465 LEU B 424 REMARK 465 LYS B 425 REMARK 465 LYS B 426 REMARK 465 ASP B 427 REMARK 465 TRP B 428 REMARK 465 GLN B 429 REMARK 465 TYR B 430 REMARK 465 VAL B 431 REMARK 465 PRO C 317 REMARK 465 SER C 318 REMARK 465 THR C 319 REMARK 465 HIS C 320 REMARK 465 VAL C 321 REMARK 465 LEU C 322 REMARK 465 SER C 323 REMARK 465 THR C 324 REMARK 465 ARG C 325 REMARK 465 VAL C 326 REMARK 465 LYS C 327 REMARK 465 GLN C 328 REMARK 465 ILE C 329 REMARK 465 PHE C 330 REMARK 465 LEU C 331 REMARK 465 GLU C 332 REMARK 465 LYS C 333 REMARK 465 LEU C 334 REMARK 465 PRO C 335 REMARK 465 ARG C 336 REMARK 465 ILE C 337 REMARK 465 LEU C 338 REMARK 465 HIS C 339 REMARK 465 MET C 340 REMARK 465 SER C 341 REMARK 465 ARG C 342 REMARK 465 ALA C 343 REMARK 465 ASP C 344 REMARK 465 GLU C 345 REMARK 465 SER C 346 REMARK 465 GLU C 347 REMARK 465 GLN C 348 REMARK 465 PRO C 349 REMARK 465 ASP C 350 REMARK 465 TRP C 351 REMARK 465 GLN C 352 REMARK 465 ASN C 353 REMARK 465 ASP C 354 REMARK 465 LEU C 355 REMARK 465 LYS C 356 REMARK 465 LEU C 357 REMARK 465 ARG C 358 REMARK 465 ARG C 359 REMARK 465 SER C 360 REMARK 465 SER C 361 REMARK 465 SER C 362 REMARK 465 VAL C 363 REMARK 465 GLY C 364 REMARK 465 TYR C 365 REMARK 465 ILE C 366 REMARK 465 SER C 367 REMARK 465 LYS C 368 REMARK 465 ALA C 369 REMARK 465 GLN C 370 REMARK 465 GLU C 371 REMARK 465 TYR C 372 REMARK 465 PHE C 373 REMARK 465 ASN C 374 REMARK 465 ILE C 375 REMARK 465 LYS C 376 REMARK 465 SER C 377 REMARK 465 ARG C 378 REMARK 465 SER C 379 REMARK 465 GLU C 380 REMARK 465 LEU C 381 REMARK 465 MET C 382 REMARK 465 PHE C 383 REMARK 465 GLU C 384 REMARK 465 LYS C 385 REMARK 465 GLN C 386 REMARK 465 SER C 387 REMARK 465 GLU C 388 REMARK 465 ARG C 389 REMARK 465 HIS C 390 REMARK 465 GLY C 391 REMARK 465 LEU C 392 REMARK 465 VAL C 393 REMARK 465 PRO C 394 REMARK 465 ARG C 395 REMARK 465 VAL C 396 REMARK 465 THR C 397 REMARK 465 PRO C 398 REMARK 465 ARG C 399 REMARK 465 ILE C 400 REMARK 465 GLY C 401 REMARK 465 PHE C 402 REMARK 465 GLY C 403 REMARK 465 ASN C 404 REMARK 465 ASN C 405 REMARK 465 ASN C 406 REMARK 465 GLU C 407 REMARK 465 ASN C 408 REMARK 465 ILE C 409 REMARK 465 ALA C 410 REMARK 465 ALA C 411 REMARK 465 SER C 412 REMARK 465 ASP C 413 REMARK 465 GLN C 414 REMARK 465 LEU C 415 REMARK 465 HIS C 416 REMARK 465 ASP C 417 REMARK 465 GLU C 418 REMARK 465 ILE C 419 REMARK 465 LYS C 420 REMARK 465 SER C 421 REMARK 465 GLY C 422 REMARK 465 ILE C 423 REMARK 465 ASP C 424 REMARK 465 SER C 425 REMARK 465 THR C 426 REMARK 465 ASN C 427 REMARK 465 TYR C 428 REMARK 465 ILE C 429 REMARK 465 VAL C 430 REMARK 465 LYS C 431 REMARK 465 GLN C 432 REMARK 465 ILE C 433 REMARK 465 LYS C 434 REMARK 465 GLU C 435 REMARK 465 LYS C 436 REMARK 465 ASN C 437 REMARK 465 ALA C 438 REMARK 465 TYR C 439 REMARK 465 ASP C 440 REMARK 465 GLU C 441 REMARK 465 GLU C 442 REMARK 465 VAL C 443 REMARK 465 GLY C 444 REMARK 465 ASN C 445 REMARK 465 TRP C 446 REMARK 465 ASN C 447 REMARK 465 LEU C 448 REMARK 465 VAL C 449 REMARK 465 PRO D 303 REMARK 465 SER D 304 REMARK 465 THR D 305 REMARK 465 HIS D 306 REMARK 465 THR D 307 REMARK 465 MET D 308 REMARK 465 PRO D 309 REMARK 465 GLN D 310 REMARK 465 TRP D 311 REMARK 465 VAL D 312 REMARK 465 ARG D 313 REMARK 465 LYS D 314 REMARK 465 ILE D 315 REMARK 465 PHE D 316 REMARK 465 ILE D 317 REMARK 465 ASP D 318 REMARK 465 THR D 319 REMARK 465 ILE D 320 REMARK 465 PRO D 321 REMARK 465 ASN D 322 REMARK 465 VAL D 323 REMARK 465 MET D 324 REMARK 465 PHE D 325 REMARK 465 PHE D 326 REMARK 465 SER D 327 REMARK 465 THR D 328 REMARK 465 MET D 329 REMARK 465 LYS D 330 REMARK 465 ARG D 331 REMARK 465 ALA D 332 REMARK 465 SER D 333 REMARK 465 LYS D 334 REMARK 465 GLU D 335 REMARK 465 LYS D 336 REMARK 465 GLN D 337 REMARK 465 GLU D 338 REMARK 465 ASN D 339 REMARK 465 LYS D 340 REMARK 465 ILE D 341 REMARK 465 PHE D 342 REMARK 465 ALA D 343 REMARK 465 ASP D 344 REMARK 465 ASP D 345 REMARK 465 ILE D 346 REMARK 465 ASP D 347 REMARK 465 ILE D 348 REMARK 465 SER D 349 REMARK 465 ASP D 350 REMARK 465 ILE D 351 REMARK 465 SER D 352 REMARK 465 GLY D 353 REMARK 465 LYS D 354 REMARK 465 GLN D 355 REMARK 465 VAL D 356 REMARK 465 THR D 357 REMARK 465 GLY D 358 REMARK 465 GLU D 359 REMARK 465 VAL D 360 REMARK 465 ILE D 361 REMARK 465 PHE D 362 REMARK 465 GLN D 363 REMARK 465 THR D 364 REMARK 465 PRO D 365 REMARK 465 LEU D 366 REMARK 465 ILE D 367 REMARK 465 LYS D 368 REMARK 465 ASN D 369 REMARK 465 PRO D 370 REMARK 465 ASP D 371 REMARK 465 VAL D 372 REMARK 465 LYS D 373 REMARK 465 SER D 374 REMARK 465 ALA D 375 REMARK 465 ILE D 376 REMARK 465 GLU D 377 REMARK 465 GLY D 378 REMARK 465 VAL D 379 REMARK 465 LYS D 380 REMARK 465 TYR D 381 REMARK 465 ILE D 382 REMARK 465 ALA D 383 REMARK 465 GLU D 384 REMARK 465 HIS D 385 REMARK 465 MET D 386 REMARK 465 LYS D 387 REMARK 465 SER D 388 REMARK 465 ASP D 389 REMARK 465 GLU D 390 REMARK 465 GLU D 391 REMARK 465 SER D 392 REMARK 465 SER D 393 REMARK 465 ASN D 394 REMARK 465 ALA D 395 REMARK 465 ALA D 396 REMARK 465 GLU D 397 REMARK 465 GLU D 398 REMARK 465 TRP D 399 REMARK 465 LYS D 400 REMARK 465 TYR D 401 REMARK 465 VAL D 402 REMARK 465 PRO E 312 REMARK 465 ASN E 313 REMARK 465 THR E 314 REMARK 465 HIS E 315 REMARK 465 SER E 316 REMARK 465 LEU E 317 REMARK 465 SER E 318 REMARK 465 GLU E 319 REMARK 465 LYS E 320 REMARK 465 ILE E 321 REMARK 465 LYS E 322 REMARK 465 HIS E 323 REMARK 465 LEU E 324 REMARK 465 PHE E 325 REMARK 465 LEU E 326 REMARK 465 GLY E 327 REMARK 465 PHE E 328 REMARK 465 LEU E 329 REMARK 465 PRO E 330 REMARK 465 LYS E 331 REMARK 465 TYR E 332 REMARK 465 LEU E 333 REMARK 465 GLY E 334 REMARK 465 MET E 335 REMARK 465 GLN E 336 REMARK 465 LEU E 337 REMARK 465 GLU E 338 REMARK 465 PRO E 339 REMARK 465 SER E 340 REMARK 465 GLU E 341 REMARK 465 GLU E 342 REMARK 465 THR E 343 REMARK 465 PRO E 344 REMARK 465 GLU E 345 REMARK 465 LYS E 346 REMARK 465 PRO E 347 REMARK 465 GLN E 348 REMARK 465 PRO E 349 REMARK 465 ARG E 350 REMARK 465 ARG E 351 REMARK 465 ARG E 352 REMARK 465 SER E 353 REMARK 465 SER E 354 REMARK 465 PHE E 355 REMARK 465 GLY E 356 REMARK 465 ILE E 357 REMARK 465 MET E 358 REMARK 465 ILE E 359 REMARK 465 LYS E 360 REMARK 465 ALA E 361 REMARK 465 GLU E 362 REMARK 465 GLU E 363 REMARK 465 TYR E 364 REMARK 465 ILE E 365 REMARK 465 LEU E 366 REMARK 465 LYS E 367 REMARK 465 LYS E 368 REMARK 465 PRO E 369 REMARK 465 ARG E 370 REMARK 465 SER E 371 REMARK 465 GLU E 372 REMARK 465 LEU E 373 REMARK 465 MET E 374 REMARK 465 PHE E 375 REMARK 465 GLU E 376 REMARK 465 GLU E 377 REMARK 465 GLN E 378 REMARK 465 LYS E 379 REMARK 465 ASP E 380 REMARK 465 ARG E 381 REMARK 465 HIS E 382 REMARK 465 GLY E 383 REMARK 465 LEU E 384 REMARK 465 LYS E 385 REMARK 465 ARG E 386 REMARK 465 VAL E 387 REMARK 465 ASN E 388 REMARK 465 LYS E 389 REMARK 465 MET E 390 REMARK 465 THR E 391 REMARK 465 SER E 392 REMARK 465 ASP E 393 REMARK 465 ILE E 394 REMARK 465 ASP E 395 REMARK 465 ILE E 396 REMARK 465 GLY E 397 REMARK 465 THR E 398 REMARK 465 THR E 399 REMARK 465 VAL E 400 REMARK 465 ASP E 401 REMARK 465 LEU E 402 REMARK 465 TYR E 403 REMARK 465 LYS E 404 REMARK 465 ASP E 405 REMARK 465 LEU E 406 REMARK 465 ALA E 407 REMARK 465 ASN E 408 REMARK 465 PHE E 409 REMARK 465 ALA E 410 REMARK 465 PRO E 411 REMARK 465 GLU E 412 REMARK 465 ILE E 413 REMARK 465 LYS E 414 REMARK 465 SER E 415 REMARK 465 CYS E 416 REMARK 465 VAL E 417 REMARK 465 GLU E 418 REMARK 465 ALA E 419 REMARK 465 CYS E 420 REMARK 465 ASN E 421 REMARK 465 PHE E 422 REMARK 465 ILE E 423 REMARK 465 ALA E 424 REMARK 465 LYS E 425 REMARK 465 SER E 426 REMARK 465 THR E 427 REMARK 465 LYS E 428 REMARK 465 GLU E 429 REMARK 465 GLN E 430 REMARK 465 ASN E 431 REMARK 465 ASP E 432 REMARK 465 SER E 433 REMARK 465 GLY E 434 REMARK 465 SER E 435 REMARK 465 GLU E 436 REMARK 465 ASN E 437 REMARK 465 GLU E 438 REMARK 465 ASN E 439 REMARK 465 TRP E 440 REMARK 465 VAL E 441 REMARK 465 LEU E 442 REMARK 465 ILE E 443 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O TYR E 241 CG PRO E 244 1.18 REMARK 500 O HIS B 460 CD PRO B 464 1.35 REMARK 500 O TYR E 241 CD PRO E 244 1.45 REMARK 500 O PHE B 239 CD PRO B 242 1.62 REMARK 500 O PHE C 459 CD PRO C 463 1.64 REMARK 500 O GLU D 262 CD PRO D 265 1.72 REMARK 500 O GLU A 262 CD PRO A 265 1.72 REMARK 500 O ALA E 270 CD PRO E 274 1.77 REMARK 500 O PHE B 239 CG PRO B 242 1.80 REMARK 500 O SER C 275 CD PRO C 279 1.80 REMARK 500 O PHE C 247 CG PRO C 250 1.80 REMARK 500 O SER B 459 CD PRO B 463 1.83 REMARK 500 O ALA C 246 CD PRO C 250 1.84 REMARK 500 O TYR B 283 N ILE B 287 1.84 REMARK 500 O LEU C 245 N LEU C 249 1.87 REMARK 500 O TYR B 223 CD PRO B 227 1.88 REMARK 500 O PHE A 233 CG PRO A 236 1.88 REMARK 500 O PHE D 233 CG PRO D 236 1.89 REMARK 500 O ASN D 217 CD PRO D 221 1.89 REMARK 500 O LEU B 237 CB LEU B 241 1.89 REMARK 500 O VAL B 434 N LEU B 438 1.90 REMARK 500 O LEU E 243 CB ALA E 247 1.90 REMARK 500 O ALA C 282 O VAL C 285 1.91 REMARK 500 O ASN A 217 CD PRO A 221 1.91 REMARK 500 O PHE A 233 CD PRO A 236 1.93 REMARK 500 O PHE D 233 CD PRO D 236 1.93 REMARK 500 O VAL C 309 N HIS C 313 1.95 REMARK 500 CA ASP B 268 CG PRO B 271 1.95 REMARK 500 O ASN C 231 CD PRO C 235 1.96 REMARK 500 O ALA B 267 CG PRO B 271 1.97 REMARK 500 O THR A 298 N SER A 302 1.97 REMARK 500 O LEU E 243 N ALA E 247 1.98 REMARK 500 O LYS E 449 N TRP E 453 1.98 REMARK 500 O ASN E 225 CD PRO E 229 1.98 REMARK 500 O TYR A 234 CE1 HIS B 306 1.98 REMARK 500 O SER A 268 O VAL A 271 1.98 REMARK 500 O SER D 268 O VAL D 271 1.98 REMARK 500 O LEU A 231 CB LEU A 235 1.99 REMARK 500 O ILE E 303 N VAL E 307 2.00 REMARK 500 O ASP B 268 CG PRO B 271 2.00 REMARK 500 O SER C 275 CG PRO C 279 2.01 REMARK 500 O ALA E 270 CG PRO E 274 2.02 REMARK 500 O LEU B 237 N LEU B 241 2.02 REMARK 500 C TYR E 241 CD PRO E 244 2.02 REMARK 500 O LEU D 231 CB LEU D 235 2.02 REMARK 500 O ILE B 236 N TYR B 240 2.03 REMARK 500 O ALA B 267 CD PRO B 271 2.03 REMARK 500 O THR D 298 CB SER D 302 2.03 REMARK 500 O PHE C 459 CG PRO C 463 2.04 REMARK 500 O ILE E 226 CD PRO E 229 2.04 REMARK 500 REMARK 500 THIS ENTRY HAS 95 CLOSE CONTACTS REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 ALA A 403 C ALA A 403 O 0.155 REMARK 500 PRO B 271 CD PRO B 271 N -0.253 REMARK 500 VAL B 445 CB VAL B 445 CG1 0.197 REMARK 500 SER B 448 CB SER B 448 OG -0.088 REMARK 500 ALA D 403 C ALA D 403 O 0.155 REMARK 500 REMARK 500 REMARK: NULL 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 MET A 282 CG - SD - CE ANGL. DEV. = 9.7 DEGREES REMARK 500 ARG A 301 NE - CZ - NH2 ANGL. DEV. = 3.5 DEGREES REMARK 500 ALA A 403 O - C - N ANGL. DEV. = -10.9 DEGREES REMARK 500 ARG A 429 NE - CZ - NH2 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG B 307 NE - CZ - NH2 ANGL. DEV. = 3.8 DEGREES REMARK 500 ARG B 437 NE - CZ - NH2 ANGL. DEV. = 3.1 DEGREES REMARK 500 VAL B 445 CG1 - CB - CG2 ANGL. DEV. = -13.8 DEGREES REMARK 500 VAL B 445 CA - CB - CG1 ANGL. DEV. = -9.2 DEGREES REMARK 500 ARG C 277 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES REMARK 500 ARG C 315 NE - CZ - NH2 ANGL. DEV. = 3.9 DEGREES REMARK 500 ARG C 455 NE - CZ - NH2 ANGL. DEV. = 3.9 DEGREES REMARK 500 MET C 458 CG - SD - CE ANGL. DEV. = 9.8 DEGREES REMARK 500 MET D 282 CG - SD - CE ANGL. DEV. = 9.7 DEGREES REMARK 500 ALA D 403 O - C - N ANGL. DEV. = -10.8 DEGREES REMARK 500 ARG D 429 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES REMARK 500 PRO E 219 O - C - N ANGL. DEV. = 10.4 DEGREES REMARK 500 ARG E 310 NE - CZ - NH2 ANGL. DEV. = 3.7 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 LEU B 218 15.37 -50.94 REMARK 500 ALA B 245 94.31 -160.62 REMARK 500 MET B 249 -67.82 -15.98 REMARK 500 VAL B 277 105.81 -164.29 REMARK 500 ILE B 280 137.27 -31.43 REMARK 500 ARG B 282 -80.21 1.58 REMARK 500 LYS C 256 60.32 -109.02 REMARK 500 GLN C 451 -28.29 -175.69 REMARK 500 LEU E 220 110.39 57.31 REMARK 500 ILE E 283 102.89 -160.79 REMARK 500 LYS E 285 -50.73 -162.43 REMARK 500 LYS E 445 -56.02 -128.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 PRO E 476 -13.95 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-1044 RELATED DB: EMDB REMARK 900 MEMBRANE SPANNING DOMAIN OF THE NICOTINIC ACETYLCHOLINE RECEPTOR IN REMARK 900 THE CLOSED STATE VOLUME DATA REMARK 900 RELATED ID: 1ABT RELATED DB: PDB REMARK 900 ALPHA-BUNGAROTOXIN COMPLEXED WITH THE 185 - 196 FRAGMENT OF THE REMARK 900 ALPHA-SUBUNIT OF THE TORPEDO NICOTINIC ACETYLCHOLINE RECEPTOR (NMR, REMARK 900 4 STRUCTURES) REMARK 900 RELATED ID: 1DXZ RELATED DB: PDB REMARK 900 M2 TRANSMEMBRANE SEGMENT OF ALPHA-SUBUNIT OF NICOTINIC REMARK 900 ACETYLCHOLINE RECEPTOR FROM TORPEDO CALIFORNICA, NMR, 20 STRUCTURES REMARK 900 RELATED ID: 1IDG RELATED DB: PDB REMARK 900 THE NMR SOLUTION STRUCTURE OF THE COMPLEX FORMED BETWEENALPHA- REMARK 900 BUNGAROTOXIN AND AN 18MER COGNATE PEPTIDE REMARK 900 RELATED ID: 1IDH RELATED DB: PDB REMARK 900 THE NMR SOLUTION STRUCTURE OF THE COMPLEX FORMED BETWEENALPHA- REMARK 900 BUNGAROTOXIN AND AN 18MER COGNATE PEPTIDE REMARK 900 RELATED ID: 1LK1 RELATED DB: PDB REMARK 900 MODEL OF THE ACETYLCHOLINE RECEPTOR EXTRACELLULAR DOMAIN INCOMPLEX REMARK 900 WITH TWO ALPHA -BUNGAROTOXIN MOLECULES REMARK 900 RELATED ID: 1LXG RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF ALPHA-COBRATOXIN COMPLEXED WITH ACOGNATE REMARK 900 PEPTIDE (STRUCTURE ENSEMBLE) REMARK 900 RELATED ID: 1LXH RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF ALPHA-COBRATOXIN COMPLEXED WITH ACOGNATE REMARK 900 PEPTIDE (MINIMIZED AVERAGE STRUCTURE) REMARK 900 RELATED ID: 1TOR RELATED DB: PDB REMARK 900 RELATED ID: 1TOS RELATED DB: PDB REMARK 900 TORPEDO CALIFORNICA ACHR RECEPTOR [ALA76] ANALOGUE COMPLEXED WITH REMARK 900 THE ANTI-ACETYLCHOLINE MAB6 MONOCLONAL ANTIBODY REMARK 900 RELATED ID: 3MRA RELATED DB: PDB REMARK 900 M3 TRANSMEMBRANE SEGMENT OF ALPHA-SUBUNIT OF NICOTINIC REMARK 900 ACETYLCHOLINE RECEPTOR FROM TORPEDO CALIFORNICA, NMR, 15 STRUCTURES REMARK 900 RELATED ID: 1EQ8 RELATED DB: PDB REMARK 900 THREE-DIMENSIONAL STRUCTURE OF THE PENTAMERIC HELICAL BUNDLE OF THE REMARK 900 ACETYLCHOLINE RECEPTOR M2 TRANSMEMBRANE SEGMENT DBREF 1OED A 211 437 UNP P02711 ACHA_TORMA 235 461 DBREF 1OED B 217 466 UNP Q6S3I0 Q6S3I0_TORMA 241 490 DBREF 1OED C 225 484 UNP Q6S3H8 Q6S3H8_TORMA 246 505 DBREF 1OED D 211 437 UNP P02711 ACHA_TORMA 235 461 DBREF 1OED E 219 478 UNP Q6S3H9 Q6S3H9_TORMA 235 494 SEQADV 1OED GLY A 230 UNP P02711 VAL 254 CONFLICT SEQADV 1OED ILE A 291 UNP P02711 VAL 315 CONFLICT SEQADV 1OED ASP A 318 UNP P02711 ASN 342 CONFLICT SEQADV 1OED ILE B 226 UNP Q6S3I0 VAL 250 CONFLICT SEQADV 1OED VAL B 259 UNP Q6S3I0 LEU 283 CONFLICT SEQADV 1OED ARG B 282 UNP Q6S3I0 SER 306 CONFLICT SEQADV 1OED VAL B 442 UNP Q6S3I0 ILE 466 CONFLICT SEQADV 1OED PHE B 444 UNP Q6S3I0 ILE 468 CONFLICT SEQADV 1OED VAL B 445 UNP Q6S3I0 THR 469 CONFLICT SEQADV 1OED ILE B 446 UNP Q6S3I0 MET 470 CONFLICT SEQADV 1OED SER C 244 UNP Q6S3H8 ALA 265 CONFLICT SEQADV 1OED SER C 262 UNP Q6S3H8 CYS 283 CONFLICT SEQADV 1OED ILE C 303 UNP Q6S3H8 VAL 324 CONFLICT SEQADV 1OED ALA C 343 UNP Q6S3H8 VAL 364 CONFLICT SEQADV 1OED SER C 346 UNP Q6S3H8 ILE 367 CONFLICT SEQADV 1OED HIS C 480 UNP Q6S3H8 ARG 501 CONFLICT SEQADV 1OED GLY D 230 UNP P02711 VAL 254 CONFLICT SEQADV 1OED ILE D 291 UNP P02711 VAL 315 CONFLICT SEQADV 1OED ASP D 318 UNP P02711 ASN 342 CONFLICT SEQADV 1OED MET E 295 UNP Q6S3H9 LEU 311 CONFLICT SEQADV 1OED LEU E 296 UNP Q6S3H9 VAL 312 CONFLICT SEQADV 1OED MET E 299 UNP Q6S3H9 THR 315 CONFLICT SEQADV 1OED GLY E 327 UNP Q6S3H9 GLU 343 CONFLICT SEQADV 1OED GLN E 336 UNP Q6S3H9 HIS 352 CONFLICT SEQADV 1OED ILE E 461 UNP Q6S3H9 LEU 477 CONFLICT SEQADV 1OED PHE E 472 UNP Q6S3H9 LEU 488 CONFLICT SEQRES 1 A 227 PRO LEU TYR PHE VAL VAL ASN VAL ILE ILE PRO CYS LEU SEQRES 2 A 227 LEU PHE SER PHE LEU THR GLY LEU VAL PHE TYR LEU PRO SEQRES 3 A 227 THR ASP SER GLY GLU LYS MET THR LEU SER ILE SER VAL SEQRES 4 A 227 LEU LEU SER LEU THR VAL PHE LEU LEU VAL ILE VAL GLU SEQRES 5 A 227 LEU ILE PRO SER THR SER SER ALA VAL PRO LEU ILE GLY SEQRES 6 A 227 LYS TYR MET LEU PHE THR MET ILE PHE VAL ILE SER SER SEQRES 7 A 227 ILE ILE ILE THR VAL VAL VAL ILE ASN THR HIS HIS ARG SEQRES 8 A 227 SER PRO SER THR HIS THR MET PRO GLN TRP VAL ARG LYS SEQRES 9 A 227 ILE PHE ILE ASP THR ILE PRO ASN VAL MET PHE PHE SER SEQRES 10 A 227 THR MET LYS ARG ALA SER LYS GLU LYS GLN GLU ASN LYS SEQRES 11 A 227 ILE PHE ALA ASP ASP ILE ASP ILE SER ASP ILE SER GLY SEQRES 12 A 227 LYS GLN VAL THR GLY GLU VAL ILE PHE GLN THR PRO LEU SEQRES 13 A 227 ILE LYS ASN PRO ASP VAL LYS SER ALA ILE GLU GLY VAL SEQRES 14 A 227 LYS TYR ILE ALA GLU HIS MET LYS SER ASP GLU GLU SER SEQRES 15 A 227 SER ASN ALA ALA GLU GLU TRP LYS TYR VAL ALA MET VAL SEQRES 16 A 227 ILE ASP HIS ILE LEU LEU CYS VAL PHE MET LEU ILE CYS SEQRES 17 A 227 ILE ILE GLY THR VAL SER VAL PHE ALA GLY ARG LEU ILE SEQRES 18 A 227 GLU LEU SER GLN GLU GLY SEQRES 1 B 250 PRO LEU PHE TYR ILE VAL TYR THR ILE ILE PRO CYS ILE SEQRES 2 B 250 LEU ILE SER ILE LEU ALA ILE LEU VAL PHE TYR LEU PRO SEQRES 3 B 250 PRO ASP ALA GLY GLU LYS MET SER LEU SER ILE SER ALA SEQRES 4 B 250 LEU LEU ALA VAL THR VAL PHE LEU LEU LEU LEU ALA ASP SEQRES 5 B 250 LYS VAL PRO GLU THR SER LEU SER VAL PRO ILE ILE ILE SEQRES 6 B 250 ARG TYR LEU MET PHE ILE MET ILE LEU VAL ALA PHE SER SEQRES 7 B 250 VAL ILE LEU SER VAL VAL VAL LEU ASN LEU HIS HIS ARG SEQRES 8 B 250 SER PRO ASN THR HIS THR MET PRO ASN TRP ILE ARG GLN SEQRES 9 B 250 ILE PHE ILE GLU THR LEU PRO PRO PHE LEU TRP ILE GLN SEQRES 10 B 250 ARG PRO VAL THR THR PRO SER PRO ASP SER LYS PRO THR SEQRES 11 B 250 ILE ILE SER ARG ALA ASN ASP GLU TYR PHE ILE ARG LYS SEQRES 12 B 250 PRO ALA GLY ASP PHE VAL CYS PRO VAL ASP ASN ALA ARG SEQRES 13 B 250 VAL ALA VAL GLN PRO GLU ARG LEU PHE SER GLU MET LYS SEQRES 14 B 250 TRP HIS LEU ASN GLY LEU THR GLN PRO VAL THR LEU PRO SEQRES 15 B 250 GLN ASP LEU LYS GLU ALA VAL GLU ALA ILE LYS TYR ILE SEQRES 16 B 250 ALA GLU GLN LEU GLU SER ALA SER GLU PHE ASP ASP LEU SEQRES 17 B 250 LYS LYS ASP TRP GLN TYR VAL ALA MET VAL ALA ASP ARG SEQRES 18 B 250 LEU PHE LEU TYR VAL PHE PHE VAL ILE CYS SER ILE GLY SEQRES 19 B 250 THR PHE SER ILE PHE LEU ASP ALA SER HIS ASN VAL PRO SEQRES 20 B 250 PRO ASP ASN SEQRES 1 C 260 PRO LEU PHE TYR VAL ILE ASN PHE ILE THR PRO CYS VAL SEQRES 2 C 260 LEU ILE SER PHE LEU ALA SER LEU ALA PHE TYR LEU PRO SEQRES 3 C 260 ALA GLU SER GLY GLU LYS MET SER THR ALA ILE SER VAL SEQRES 4 C 260 LEU LEU ALA GLN ALA VAL PHE LEU LEU LEU THR SER GLN SEQRES 5 C 260 ARG LEU PRO GLU THR ALA LEU ALA VAL PRO LEU ILE GLY SEQRES 6 C 260 LYS TYR LEU MET PHE ILE MET SER LEU VAL THR GLY VAL SEQRES 7 C 260 ILE VAL ASN CYS GLY ILE VAL LEU ASN PHE HIS PHE ARG SEQRES 8 C 260 THR PRO SER THR HIS VAL LEU SER THR ARG VAL LYS GLN SEQRES 9 C 260 ILE PHE LEU GLU LYS LEU PRO ARG ILE LEU HIS MET SER SEQRES 10 C 260 ARG ALA ASP GLU SER GLU GLN PRO ASP TRP GLN ASN ASP SEQRES 11 C 260 LEU LYS LEU ARG ARG SER SER SER VAL GLY TYR ILE SER SEQRES 12 C 260 LYS ALA GLN GLU TYR PHE ASN ILE LYS SER ARG SER GLU SEQRES 13 C 260 LEU MET PHE GLU LYS GLN SER GLU ARG HIS GLY LEU VAL SEQRES 14 C 260 PRO ARG VAL THR PRO ARG ILE GLY PHE GLY ASN ASN ASN SEQRES 15 C 260 GLU ASN ILE ALA ALA SER ASP GLN LEU HIS ASP GLU ILE SEQRES 16 C 260 LYS SER GLY ILE ASP SER THR ASN TYR ILE VAL LYS GLN SEQRES 17 C 260 ILE LYS GLU LYS ASN ALA TYR ASP GLU GLU VAL GLY ASN SEQRES 18 C 260 TRP ASN LEU VAL GLY GLN THR ILE ASP ARG LEU SER MET SEQRES 19 C 260 PHE ILE ILE THR PRO VAL MET VAL LEU GLY THR ILE PHE SEQRES 20 C 260 ILE PHE VAL MET GLY ASN PHE ASN HIS PRO PRO ALA LYS SEQRES 1 D 227 PRO LEU TYR PHE VAL VAL ASN VAL ILE ILE PRO CYS LEU SEQRES 2 D 227 LEU PHE SER PHE LEU THR GLY LEU VAL PHE TYR LEU PRO SEQRES 3 D 227 THR ASP SER GLY GLU LYS MET THR LEU SER ILE SER VAL SEQRES 4 D 227 LEU LEU SER LEU THR VAL PHE LEU LEU VAL ILE VAL GLU SEQRES 5 D 227 LEU ILE PRO SER THR SER SER ALA VAL PRO LEU ILE GLY SEQRES 6 D 227 LYS TYR MET LEU PHE THR MET ILE PHE VAL ILE SER SER SEQRES 7 D 227 ILE ILE ILE THR VAL VAL VAL ILE ASN THR HIS HIS ARG SEQRES 8 D 227 SER PRO SER THR HIS THR MET PRO GLN TRP VAL ARG LYS SEQRES 9 D 227 ILE PHE ILE ASP THR ILE PRO ASN VAL MET PHE PHE SER SEQRES 10 D 227 THR MET LYS ARG ALA SER LYS GLU LYS GLN GLU ASN LYS SEQRES 11 D 227 ILE PHE ALA ASP ASP ILE ASP ILE SER ASP ILE SER GLY SEQRES 12 D 227 LYS GLN VAL THR GLY GLU VAL ILE PHE GLN THR PRO LEU SEQRES 13 D 227 ILE LYS ASN PRO ASP VAL LYS SER ALA ILE GLU GLY VAL SEQRES 14 D 227 LYS TYR ILE ALA GLU HIS MET LYS SER ASP GLU GLU SER SEQRES 15 D 227 SER ASN ALA ALA GLU GLU TRP LYS TYR VAL ALA MET VAL SEQRES 16 D 227 ILE ASP HIS ILE LEU LEU CYS VAL PHE MET LEU ILE CYS SEQRES 17 D 227 ILE ILE GLY THR VAL SER VAL PHE ALA GLY ARG LEU ILE SEQRES 18 D 227 GLU LEU SER GLN GLU GLY SEQRES 1 E 260 PRO LEU PHE TYR ILE ILE ASN ILE ILE ALA PRO CYS VAL SEQRES 2 E 260 LEU ILE SER SER LEU VAL VAL LEU VAL TYR PHE LEU PRO SEQRES 3 E 260 ALA GLN ALA GLY GLY GLN LYS CYS THR LEU SER ILE SER SEQRES 4 E 260 VAL LEU LEU ALA GLN THR ILE PHE LEU PHE LEU ILE ALA SEQRES 5 E 260 GLN LYS VAL PRO GLU THR SER LEU ASN VAL PRO LEU ILE SEQRES 6 E 260 GLY LYS TYR LEU ILE PHE VAL MET PHE VAL SER MET LEU SEQRES 7 E 260 ILE VAL MET ASN CYS VAL ILE VAL LEU ASN VAL SER LEU SEQRES 8 E 260 ARG THR PRO ASN THR HIS SER LEU SER GLU LYS ILE LYS SEQRES 9 E 260 HIS LEU PHE LEU GLY PHE LEU PRO LYS TYR LEU GLY MET SEQRES 10 E 260 GLN LEU GLU PRO SER GLU GLU THR PRO GLU LYS PRO GLN SEQRES 11 E 260 PRO ARG ARG ARG SER SER PHE GLY ILE MET ILE LYS ALA SEQRES 12 E 260 GLU GLU TYR ILE LEU LYS LYS PRO ARG SER GLU LEU MET SEQRES 13 E 260 PHE GLU GLU GLN LYS ASP ARG HIS GLY LEU LYS ARG VAL SEQRES 14 E 260 ASN LYS MET THR SER ASP ILE ASP ILE GLY THR THR VAL SEQRES 15 E 260 ASP LEU TYR LYS ASP LEU ALA ASN PHE ALA PRO GLU ILE SEQRES 16 E 260 LYS SER CYS VAL GLU ALA CYS ASN PHE ILE ALA LYS SER SEQRES 17 E 260 THR LYS GLU GLN ASN ASP SER GLY SER GLU ASN GLU ASN SEQRES 18 E 260 TRP VAL LEU ILE GLY LYS VAL ILE ASP LYS ALA CYS PHE SEQRES 19 E 260 TRP ILE ALA LEU LEU LEU PHE SER ILE GLY THR LEU ALA SEQRES 20 E 260 ILE PHE LEU THR GLY HIS PHE ASN GLN VAL PRO GLU PHE HELIX 1 1 LEU A 212 SER A 239 1 28 HELIX 2 2 LYS A 242 VAL A 271 1 30 HELIX 3 3 GLY A 275 SER A 302 1 28 HELIX 4 4 MET A 404 GLY A 437 1 34 HELIX 5 5 LEU B 218 ALA B 245 1 28 HELIX 6 6 LYS B 248 VAL B 277 1 30 HELIX 7 7 TYR B 283 ARG B 307 1 25 HELIX 8 8 ALA B 432 VAL B 462 1 31 HELIX 9 9 LEU C 226 SER C 253 1 28 HELIX 10 10 LYS C 256 VAL C 285 1 30 HELIX 11 11 GLY C 289 THR C 316 1 28 HELIX 12 12 THR C 452 LYS C 484 1 33 HELIX 13 13 LEU D 212 SER D 239 1 28 HELIX 14 14 LYS D 242 VAL D 271 1 30 HELIX 15 15 GLY D 275 SER D 302 1 28 HELIX 16 16 MET D 404 GLY D 437 1 34 HELIX 17 17 PHE E 221 GLN E 246 1 26 HELIX 18 18 GLN E 250 VAL E 280 1 31 HELIX 19 19 LYS E 285 THR E 311 1 27 HELIX 20 20 LYS E 445 PHE E 478 1 34 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