HEADER MEMBRANE PROTEIN 22-FEB-24 8YEJ TITLE CRYO-EM STRUCTURE OF THE CHANNELRHODOPSIN GTCCR2 FOCUSED ON THE TITLE 2 MONOMER COMPND MOL_ID: 1; COMPND 2 MOLECULE: GTCCR2; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GUILLARDIA THETA CCMP2712; SOURCE 3 ORGANISM_TAXID: 905079; SOURCE 4 STRAIN: CCMP2712; SOURCE 5 GENE: GUITHDRAFT_99928; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: HEK293 KEYWDS MICROBIAL RHODOPSIN, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR T.TANAKA,W.IIDA,F.K.SANO,K.ODA,W.SHIHOYA,O.NUREKI REVDAT 3 02-OCT-24 8YEJ 1 JRNL REVDAT 2 18-SEP-24 8YEJ 1 JRNL REVDAT 1 04-SEP-24 8YEJ 0 JRNL AUTH T.TANAKA,S.HOSOSHIMA,Y.YAMASHITA,T.SUGIMOTO,T.NAKAMURA, JRNL AUTH 2 S.SHIGEMURA,W.IIDA,F.K.SANO,K.ODA,T.UCHIHASHI,K.KATAYAMA, JRNL AUTH 3 Y.FURUTANI,S.P.TSUNODA,W.SHIHOYA,H.KANDORI,O.NUREKI JRNL TITL THE HIGH-LIGHT-SENSITIVITY MECHANISM AND OPTOGENETIC JRNL TITL 2 PROPERTIES OF THE BACTERIORHODOPSIN-LIKE CHANNELRHODOPSIN JRNL TITL 3 GTCCR4. JRNL REF MOL.CELL V. 84 3530 2024 JRNL REFN ISSN 1097-2765 JRNL PMID 39232582 JRNL DOI 10.1016/J.MOLCEL.2024.08.016 REMARK 2 REMARK 2 RESOLUTION. 2.86 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, CRYOSPARC, CRYOSPARC, REMARK 3 CRYOSPARC, RELION, RELION REMARK 3 RECONSTRUCTION SCHEMA : FOURIER SPACE 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) : 2.860 REMARK 3 NUMBER OF PARTICLES : 808581 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 8YEJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-FEB-24. REMARK 100 THE DEPOSITION ID IS D_1300045343. 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 : GTCCR2 REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 5.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 8.00 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 9775 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 600.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1600.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : DARK FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5000.00 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 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 A -24 REMARK 465 LYS A -23 REMARK 465 THR A -22 REMARK 465 ILE A -21 REMARK 465 ILE A -20 REMARK 465 ALA A -19 REMARK 465 LEU A -18 REMARK 465 SER A -17 REMARK 465 TYR A -16 REMARK 465 ILE A -15 REMARK 465 PHE A -14 REMARK 465 CYS A -13 REMARK 465 LEU A -12 REMARK 465 VAL A -11 REMARK 465 PHE A -10 REMARK 465 ALA A -9 REMARK 465 ASP A -8 REMARK 465 TYR A -7 REMARK 465 LYS A -6 REMARK 465 ASP A -5 REMARK 465 ASP A -4 REMARK 465 ASP A -3 REMARK 465 ASP A -2 REMARK 465 ALA A -1 REMARK 465 MET A 0 REMARK 465 GLY A 1 REMARK 465 VAL A 2 REMARK 465 GLU A 243 REMARK 465 SER A 244 REMARK 465 GLY A 245 REMARK 465 ILE A 246 REMARK 465 ASP A 247 REMARK 465 GLU A 248 REMARK 465 ASP A 249 REMARK 465 ASP A 250 REMARK 465 PHE A 251 REMARK 465 ALA A 252 REMARK 465 LYS A 253 REMARK 465 PHE A 254 REMARK 465 SER A 255 REMARK 465 LYS A 256 REMARK 465 VAL A 257 REMARK 465 VAL A 258 REMARK 465 THR A 259 REMARK 465 THR A 260 REMARK 465 HIS A 261 REMARK 465 ARG A 262 REMARK 465 SER A 263 REMARK 465 GLU A 264 REMARK 465 GLU A 265 REMARK 465 LYS A 266 REMARK 465 GLN A 267 REMARK 465 LYS A 268 REMARK 465 ARG A 269 REMARK 465 LYS A 270 REMARK 465 PRO A 271 REMARK 465 ALA A 272 REMARK 465 VAL A 273 REMARK 465 SER A 274 REMARK 465 GLN A 275 REMARK 465 SER A 276 REMARK 465 PRO A 277 REMARK 465 LYS A 278 REMARK 465 MET A 279 REMARK 465 TYR A 280 REMARK 465 TYR A 281 REMARK 465 ASP A 282 REMARK 465 GLU A 283 REMARK 465 ALA A 284 REMARK 465 ALA A 285 REMARK 465 TYR A 286 REMARK 465 GLN A 287 REMARK 465 ASP A 288 REMARK 465 GLY A 289 REMARK 465 GLU A 290 REMARK 465 VAL A 291 REMARK 465 GLU A 292 REMARK 465 SER A 293 REMARK 465 ASN A 294 REMARK 465 LEU A 295 REMARK 465 GLN A 296 REMARK 465 SER A 297 REMARK 465 LYS A 298 REMARK 465 ILE A 299 REMARK 465 ARG A 300 REMARK 465 LYS A 301 REMARK 465 SER A 302 REMARK 465 LEU A 303 REMARK 465 SER A 304 REMARK 465 ARG A 305 REMARK 465 LYS A 306 REMARK 465 ASP A 307 REMARK 465 LYS A 308 REMARK 465 THR A 309 REMARK 465 PRO A 310 REMARK 465 GLY A 311 REMARK 465 SER A 312 REMARK 465 PRO A 313 REMARK 465 SER A 314 REMARK 465 ARG A 315 REMARK 465 SER A 316 REMARK 465 PRO A 317 REMARK 465 MET A 318 REMARK 465 THR A 319 REMARK 465 PRO A 320 REMARK 465 ARG A 321 REMARK 465 THR A 322 REMARK 465 ALA A 323 REMARK 465 TYR A 324 REMARK 465 SER A 325 REMARK 465 THR A 326 REMARK 465 ARG A 327 REMARK 465 LYS A 328 REMARK 465 SER A 329 REMARK 465 PRO A 330 REMARK 465 GLY A 331 REMARK 465 MET A 332 REMARK 465 HIS A 333 REMARK 465 LEU A 334 REMARK 465 ASN A 335 REMARK 465 ASP A 336 REMARK 465 HIS A 337 REMARK 465 PRO A 338 REMARK 465 ALA A 339 REMARK 465 TRP A 340 REMARK 465 GLY A 341 REMARK 465 SER A 342 REMARK 465 LEU A 343 REMARK 465 GLN A 344 REMARK 465 ALA A 345 REMARK 465 SER A 346 REMARK 465 ALA A 347 REMARK 465 HIS A 348 REMARK 465 SER A 349 REMARK 465 TRP A 350 REMARK 465 GLU A 351 REMARK 465 ASN A 352 REMARK 465 GLU A 353 REMARK 465 ARG A 354 REMARK 465 GLU A 355 REMARK 465 GLY A 356 REMARK 465 PRO A 357 REMARK 465 VAL A 358 REMARK 465 GLY A 359 REMARK 465 ASP A 360 REMARK 465 HIS A 361 REMARK 465 ASP A 362 REMARK 465 ASP A 363 REMARK 465 GLU A 364 REMARK 465 GLU A 365 REMARK 465 PHE A 366 REMARK 465 SER A 367 REMARK 465 GLU A 368 REMARK 465 PHE A 369 REMARK 465 CYS A 370 REMARK 465 GLN A 371 REMARK 465 SER A 372 REMARK 465 LEU A 373 REMARK 465 PRO A 374 REMARK 465 LYS A 375 REMARK 465 LYS A 376 REMARK 465 ALA A 377 REMARK 465 ILE A 378 REMARK 465 PRO A 379 REMARK 465 PRO A 380 REMARK 465 LEU A 381 REMARK 465 ASN A 382 REMARK 465 SER A 383 REMARK 465 GLN A 384 REMARK 465 PRO A 385 REMARK 465 HIS A 386 REMARK 465 MET A 387 REMARK 465 TYR A 388 REMARK 465 ASN A 389 REMARK 465 SER A 390 REMARK 465 GLU A 391 REMARK 465 ASP A 392 REMARK 465 GLU A 393 REMARK 465 ASP A 394 REMARK 465 ASP A 395 REMARK 465 GLY A 396 REMARK 465 ALA A 397 REMARK 465 TYR A 398 REMARK 465 LEU A 399 REMARK 465 GLU A 400 REMARK 465 ARG A 401 REMARK 465 ALA A 402 REMARK 465 LYS A 403 REMARK 465 MET A 404 REMARK 465 ALA A 405 REMARK 465 TYR A 406 REMARK 465 GLN A 407 REMARK 465 LYS A 408 REMARK 465 ALA A 409 REMARK 465 LYS A 410 REMARK 465 GLU A 411 REMARK 465 ARG A 412 REMARK 465 HIS A 413 REMARK 465 ASP A 414 REMARK 465 ASN A 415 REMARK 465 ALA A 416 REMARK 465 ASN A 417 REMARK 465 GLY A 418 REMARK 465 GLN A 419 REMARK 465 ARG A 420 REMARK 465 GLU A 421 REMARK 465 ARG A 422 REMARK 465 ARG A 423 REMARK 465 ASP A 424 REMARK 465 ARG A 425 REMARK 465 SER A 426 REMARK 465 GLY A 427 REMARK 465 SER A 428 REMARK 465 ARG A 429 REMARK 465 GLU A 430 REMARK 465 SER A 431 REMARK 465 ASP A 432 REMARK 465 PHE A 433 REMARK 465 GLU A 434 REMARK 465 ASN A 435 REMARK 465 LEU A 436 REMARK 465 TYR A 437 REMARK 465 PHE A 438 REMARK 465 GLN A 439 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 A 202 -123.51 60.04 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-39197 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF CHANNELRHODOPSIN GTCCR2 FOCUSED ON THE MONOMER DBREF 8YEJ A 2 433 UNP L1K1K8 L1K1K8_GUITC 2 433 SEQADV 8YEJ MET A -24 UNP L1K1K8 INITIATING METHIONINE SEQADV 8YEJ LYS A -23 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ THR A -22 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ ILE A -21 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ ILE A -20 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ ALA A -19 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ LEU A -18 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ SER A -17 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ TYR A -16 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ ILE A -15 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ PHE A -14 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ CYS A -13 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ LEU A -12 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ VAL A -11 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ PHE A -10 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ ALA A -9 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ ASP A -8 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ TYR A -7 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ LYS A -6 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ ASP A -5 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ ASP A -4 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ ASP A -3 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ ASP A -2 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ ALA A -1 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ MET A 0 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ GLY A 1 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ GLU A 434 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ ASN A 435 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ LEU A 436 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ TYR A 437 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ PHE A 438 UNP L1K1K8 EXPRESSION TAG SEQADV 8YEJ GLN A 439 UNP L1K1K8 EXPRESSION TAG SEQRES 1 A 464 MET LYS THR ILE ILE ALA LEU SER TYR ILE PHE CYS LEU SEQRES 2 A 464 VAL PHE ALA ASP TYR LYS ASP ASP ASP ASP ALA MET GLY SEQRES 3 A 464 VAL ALA SER SER ALA VAL ILE THR ALA ASN TRP ILE SER SEQRES 4 A 464 PHE LEU ALA ILE SER ALA SER PHE ILE ILE LEU LEU VAL SEQRES 5 A 464 ILE SER LEU ARG TYR LYS GLY PRO GLY GLY THR GLU SER SEQRES 6 A 464 PHE TYR ASN GLY PHE LYS GLU GLN ASN MET LEU THR VAL SEQRES 7 A 464 PHE ILE ASN LEU TRP CYS ALA LEU ALA TYR PHE ALA LYS SEQRES 8 A 464 VAL LEU GLN SER HIS SER ASN ASP ASN GLY PHE ALA PRO SEQRES 9 A 464 LEU THR VAL ILE PRO TYR VAL ASP TYR CYS THR THR CYS SEQRES 10 A 464 PRO LEU LEU THR LEU ASP LEU LEU TRP CYS LEU ASP ALA SEQRES 11 A 464 PRO TYR LYS ILE SER SER ALA VAL LEU VAL PHE THR CYS SEQRES 12 A 464 LEU VAL ILE ALA VAL ALA CYS SER LEU ALA VAL ALA PRO SEQRES 13 A 464 PHE SER TYR CYS TRP PHE ALA MET GLY MET VAL LEU PHE SEQRES 14 A 464 THR PHE THR TYR VAL PHE ILE LEU SER ILE VAL ARG GLN SEQRES 15 A 464 ARG LEU ASP PHE PHE THR LEU CYS ALA ARG ASP SER ASN SEQRES 16 A 464 ALA LYS GLN SER LEU LYS HIS LEU LYS THR ALA VAL PHE SEQRES 17 A 464 ILE TYR PHE GLY ILE TRP LEU LEU PHE PRO LEU LEU TRP SEQRES 18 A 464 LEU LEU SER TYR ARG ALA ALA ASN VAL ILE SER ASN ASP SEQRES 19 A 464 ILE ASN HIS ILE PHE HIS CYS ILE LEU ASP VAL ILE ALA SEQRES 20 A 464 LYS SER VAL TYR GLY PHE ALA LEU LEU TYR PHE LYS MET SEQRES 21 A 464 TYR PHE ASP LYS LYS LEU ILE GLU SER GLY ILE ASP GLU SEQRES 22 A 464 ASP ASP PHE ALA LYS PHE SER LYS VAL VAL THR THR HIS SEQRES 23 A 464 ARG SER GLU GLU LYS GLN LYS ARG LYS PRO ALA VAL SER SEQRES 24 A 464 GLN SER PRO LYS MET TYR TYR ASP GLU ALA ALA TYR GLN SEQRES 25 A 464 ASP GLY GLU VAL GLU SER ASN LEU GLN SER LYS ILE ARG SEQRES 26 A 464 LYS SER LEU SER ARG LYS ASP LYS THR PRO GLY SER PRO SEQRES 27 A 464 SER ARG SER PRO MET THR PRO ARG THR ALA TYR SER THR SEQRES 28 A 464 ARG LYS SER PRO GLY MET HIS LEU ASN ASP HIS PRO ALA SEQRES 29 A 464 TRP GLY SER LEU GLN ALA SER ALA HIS SER TRP GLU ASN SEQRES 30 A 464 GLU ARG GLU GLY PRO VAL GLY ASP HIS ASP ASP GLU GLU SEQRES 31 A 464 PHE SER GLU PHE CYS GLN SER LEU PRO LYS LYS ALA ILE SEQRES 32 A 464 PRO PRO LEU ASN SER GLN PRO HIS MET TYR ASN SER GLU SEQRES 33 A 464 ASP GLU ASP ASP GLY ALA TYR LEU GLU ARG ALA LYS MET SEQRES 34 A 464 ALA TYR GLN LYS ALA LYS GLU ARG HIS ASP ASN ALA ASN SEQRES 35 A 464 GLY GLN ARG GLU ARG ARG ASP ARG SER GLY SER ARG GLU SEQRES 36 A 464 SER ASP PHE GLU ASN LEU TYR PHE GLN HET RET A 501 20 HETNAM RET RETINAL FORMUL 2 RET C20 H28 O FORMUL 3 HOH *6(H2 O) HELIX 1 AA1 SER A 4 TYR A 32 1 29 HELIX 2 AA2 LYS A 46 ASN A 49 5 4 HELIX 3 AA3 MET A 50 SER A 72 1 23 HELIX 4 AA4 PHE A 77 VAL A 82 1 6 HELIX 5 AA5 TYR A 85 LEU A 103 1 19 HELIX 6 AA6 TYR A 107 LEU A 127 1 21 HELIX 7 AA7 PRO A 131 CYS A 165 1 35 HELIX 8 AA8 ASP A 168 LEU A 190 1 23 HELIX 9 AA9 LEU A 190 SER A 199 1 10 HELIX 10 AB1 SER A 207 TYR A 236 1 30 HELIX 11 AB2 ASP A 238 ILE A 242 5 5 LINK NZ LYS A 223 C15 RET A 501 1555 1555 1.34 CISPEP 1 ALA A 130 PRO A 131 0 0.36 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