HEADER TRANSFERASE 23-JUL-26 37JU TITLE PTDSS2 STRUCTURE IN EDTA CAVEAT 37JU LBN A 501 HAS WRONG CHIRALITY AT ATOM C2 LBN A 502 HAS WRONG CAVEAT 2 37JU CHIRALITY AT ATOM C2 LBN A 503 HAS WRONG CHIRALITY AT ATOM CAVEAT 3 37JU C2 LBN A 505 HAS WRONG CHIRALITY AT ATOM C2 LBN C 501 HAS CAVEAT 4 37JU WRONG CHIRALITY AT ATOM C2 LBN C 502 HAS WRONG CHIRALITY AT CAVEAT 5 37JU ATOM C2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHATIDYLSERINE SYNTHASE; COMPND 3 CHAIN: A, C; COMPND 4 SYNONYM: SERINE-EXCHANGE ENZYME; COMPND 5 EC: 2.7.8.29; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: EQUUS CABALLUS; SOURCE 3 ORGANISM_COMMON: HORSE; SOURCE 4 ORGANISM_TAXID: 9796; SOURCE 5 GENE: PTDSS2; SOURCE 6 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7111 KEYWDS PHOSPHATIDYLSERINE, ENZYME, MEMBRANE PROTEIN, TRANSFERASE EXPDTA ELECTRON MICROSCOPY AUTHOR L.WANG,M.ZHOU REVDAT 1 28-OCT-26 37JU 0 JRNL AUTH L.WANG,Z.ZHANG,H.YANG,A.LAGANOWSKY,M.ZHOU JRNL TITL MECHANISMS OF SUBSTRATE RECOGNITION AND CATALYSIS IN A JRNL TITL 2 MAMMALIAN PHOSPHATIDYLSERINE SYNTHASE 2. JRNL REF PROC.NATL.ACAD.SCI.USA V. 123 82123 2026 JRNL REFN ESSN 1091-6490 JRNL PMID 42809401 JRNL DOI 10.1073/PNAS.2607382123 REMARK 2 REMARK 2 RESOLUTION. 2.80 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) : 2.800 REMARK 3 NUMBER OF PARTICLES : 240916 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 37JU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-JUL-26. REMARK 100 THE DEPOSITION ID IS D_1000310170. 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 : PTDSS2 IN THE PRESENCE OF EDTA 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 : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2400.00 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) : 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C 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 1 REMARK 465 ARG A 2 REMARK 465 ARG A 3 REMARK 465 GLY A 4 REMARK 465 ASP A 5 REMARK 465 ARG A 6 REMARK 465 ARG A 7 REMARK 465 GLY A 8 REMARK 465 PRO A 9 REMARK 465 GLY A 10 REMARK 465 GLY A 11 REMARK 465 LEU A 12 REMARK 465 ARG A 13 REMARK 465 PRO A 14 REMARK 465 GLY A 15 REMARK 465 SER A 16 REMARK 465 PRO A 17 REMARK 465 LEU A 18 REMARK 465 PRO A 19 REMARK 465 ALA A 20 REMARK 465 GLY A 21 REMARK 465 LYS A 22 REMARK 465 ALA A 23 REMARK 465 SER A 24 REMARK 465 LEU A 25 REMARK 465 GLU A 26 REMARK 465 GLU A 27 REMARK 465 PRO A 28 REMARK 465 PRO A 29 REMARK 465 ASP A 30 REMARK 465 GLY A 31 REMARK 465 VAL A 32 REMARK 465 PRO A 33 REMARK 465 SER A 34 REMARK 465 GLY A 35 REMARK 465 PRO A 36 REMARK 465 ALA A 37 REMARK 465 PRO A 38 REMARK 465 GLY A 39 REMARK 465 PRO A 40 REMARK 465 GLY A 41 REMARK 465 ARG A 42 REMARK 465 ARG A 43 REMARK 465 SER A 44 REMARK 465 THR A 45 REMARK 465 GLU A 46 REMARK 465 SER A 47 REMARK 465 GLU A 48 REMARK 465 VAL A 49 REMARK 465 TYR A 50 REMARK 465 ASP A 51 REMARK 465 ASP A 52 REMARK 465 GLY A 53 REMARK 465 THR A 54 REMARK 465 ASN A 55 REMARK 465 THR A 56 REMARK 465 PHE A 57 REMARK 465 PHE A 58 REMARK 465 TRP A 59 REMARK 465 ARG A 60 REMARK 465 ALA A 61 REMARK 465 HIS A 62 REMARK 465 THR A 63 REMARK 465 LEU A 64 REMARK 465 THR A 65 REMARK 465 VAL A 66 REMARK 465 ASP A 167 REMARK 465 TYR A 168 REMARK 465 GLY A 169 REMARK 465 GLY A 170 REMARK 465 ASN A 171 REMARK 465 CYS A 172 REMARK 465 LEU A 173 REMARK 465 ILE A 174 REMARK 465 TYR A 175 REMARK 465 ASP A 176 REMARK 465 ALA A 177 REMARK 465 ASP A 178 REMARK 465 ASN A 179 REMARK 465 GLU A 180 REMARK 465 SER A 181 REMARK 465 ASP A 182 REMARK 465 PRO A 183 REMARK 465 PHE A 184 REMARK 465 HIS A 185 REMARK 465 ASN A 186 REMARK 465 VAL A 187 REMARK 465 TRP A 188 REMARK 465 ASP A 189 REMARK 465 LYS A 190 REMARK 465 LEU A 191 REMARK 465 SER A 237 REMARK 465 THR A 281 REMARK 465 TYR A 282 REMARK 465 LYS A 283 REMARK 465 GLY A 284 REMARK 465 LYS A 285 REMARK 465 MET A 286 REMARK 465 LYS A 287 REMARK 465 ARG A 288 REMARK 465 ILE A 289 REMARK 465 VAL A 290 REMARK 465 PHE A 291 REMARK 465 GLN A 292 REMARK 465 PHE A 293 REMARK 465 THR A 294 REMARK 465 PRO A 295 REMARK 465 TYR A 296 REMARK 465 SER A 297 REMARK 465 ASP A 433 REMARK 465 ILE A 434 REMARK 465 THR A 435 REMARK 465 LEU A 436 REMARK 465 ARG A 437 REMARK 465 TYR A 438 REMARK 465 LYS A 439 REMARK 465 GLU A 440 REMARK 465 THR A 441 REMARK 465 ARG A 442 REMARK 465 ARG A 443 REMARK 465 GLN A 444 REMARK 465 LYS A 445 REMARK 465 GLN A 446 REMARK 465 GLN A 447 REMARK 465 SER A 448 REMARK 465 ARG A 449 REMARK 465 GLY A 450 REMARK 465 ASP A 451 REMARK 465 GLN A 452 REMARK 465 GLY A 453 REMARK 465 ARG A 454 REMARK 465 ALA A 455 REMARK 465 VAL A 456 REMARK 465 GLY A 457 REMARK 465 SER A 458 REMARK 465 MET A 459 REMARK 465 ASP A 460 REMARK 465 GLY A 461 REMARK 465 HIS A 462 REMARK 465 PRO A 463 REMARK 465 LEU A 464 REMARK 465 GLY A 465 REMARK 465 PRO A 466 REMARK 465 ASP A 467 REMARK 465 ASP A 468 REMARK 465 PRO A 469 REMARK 465 LEU A 470 REMARK 465 PRO A 471 REMARK 465 ARG A 472 REMARK 465 PRO A 473 REMARK 465 ASP A 474 REMARK 465 ASP A 475 REMARK 465 PRO A 476 REMARK 465 LEU A 477 REMARK 465 PRO A 478 REMARK 465 GLY A 479 REMARK 465 PRO A 480 REMARK 465 ASP A 481 REMARK 465 ASN A 482 REMARK 465 PRO A 483 REMARK 465 GLN A 484 REMARK 465 GLY A 485 REMARK 465 PRO A 486 REMARK 465 GLY A 487 REMARK 465 GLU A 488 REMARK 465 ALA A 489 REMARK 465 GLU A 490 REMARK 465 MET A 491 REMARK 465 GLU A 492 REMARK 465 GLY A 493 REMARK 465 VAL A 494 REMARK 465 PRO A 495 REMARK 465 ALA A 496 REMARK 465 LEU A 497 REMARK 465 ASN A 498 REMARK 465 MET C 1 REMARK 465 ARG C 2 REMARK 465 ARG C 3 REMARK 465 GLY C 4 REMARK 465 ASP C 5 REMARK 465 ARG C 6 REMARK 465 ARG C 7 REMARK 465 GLY C 8 REMARK 465 PRO C 9 REMARK 465 GLY C 10 REMARK 465 GLY C 11 REMARK 465 LEU C 12 REMARK 465 ARG C 13 REMARK 465 PRO C 14 REMARK 465 GLY C 15 REMARK 465 SER C 16 REMARK 465 PRO C 17 REMARK 465 LEU C 18 REMARK 465 PRO C 19 REMARK 465 ALA C 20 REMARK 465 GLY C 21 REMARK 465 LYS C 22 REMARK 465 ALA C 23 REMARK 465 SER C 24 REMARK 465 LEU C 25 REMARK 465 GLU C 26 REMARK 465 GLU C 27 REMARK 465 PRO C 28 REMARK 465 PRO C 29 REMARK 465 ASP C 30 REMARK 465 GLY C 31 REMARK 465 VAL C 32 REMARK 465 PRO C 33 REMARK 465 SER C 34 REMARK 465 GLY C 35 REMARK 465 PRO C 36 REMARK 465 ALA C 37 REMARK 465 PRO C 38 REMARK 465 GLY C 39 REMARK 465 PRO C 40 REMARK 465 GLY C 41 REMARK 465 ARG C 42 REMARK 465 ARG C 43 REMARK 465 SER C 44 REMARK 465 THR C 45 REMARK 465 GLU C 46 REMARK 465 SER C 47 REMARK 465 GLU C 48 REMARK 465 VAL C 49 REMARK 465 TYR C 50 REMARK 465 ASP C 51 REMARK 465 ASP C 52 REMARK 465 GLY C 53 REMARK 465 THR C 54 REMARK 465 ASN C 55 REMARK 465 THR C 56 REMARK 465 PHE C 57 REMARK 465 PHE C 58 REMARK 465 TRP C 59 REMARK 465 ARG C 60 REMARK 465 ALA C 61 REMARK 465 HIS C 62 REMARK 465 THR C 63 REMARK 465 LEU C 64 REMARK 465 THR C 65 REMARK 465 VAL C 66 REMARK 465 ASP C 167 REMARK 465 TYR C 168 REMARK 465 GLY C 169 REMARK 465 GLY C 170 REMARK 465 ASN C 171 REMARK 465 CYS C 172 REMARK 465 LEU C 173 REMARK 465 ILE C 174 REMARK 465 TYR C 175 REMARK 465 ASP C 176 REMARK 465 ALA C 177 REMARK 465 ASP C 178 REMARK 465 ASN C 179 REMARK 465 GLU C 180 REMARK 465 SER C 181 REMARK 465 ASP C 182 REMARK 465 PRO C 183 REMARK 465 PHE C 184 REMARK 465 HIS C 185 REMARK 465 ASN C 186 REMARK 465 VAL C 187 REMARK 465 TRP C 188 REMARK 465 ASP C 189 REMARK 465 LYS C 190 REMARK 465 LEU C 191 REMARK 465 SER C 237 REMARK 465 THR C 281 REMARK 465 TYR C 282 REMARK 465 LYS C 283 REMARK 465 GLY C 284 REMARK 465 LYS C 285 REMARK 465 MET C 286 REMARK 465 LYS C 287 REMARK 465 ARG C 288 REMARK 465 ILE C 289 REMARK 465 VAL C 290 REMARK 465 PHE C 291 REMARK 465 GLN C 292 REMARK 465 PHE C 293 REMARK 465 THR C 294 REMARK 465 PRO C 295 REMARK 465 TYR C 296 REMARK 465 SER C 297 REMARK 465 ASP C 433 REMARK 465 ILE C 434 REMARK 465 THR C 435 REMARK 465 LEU C 436 REMARK 465 ARG C 437 REMARK 465 TYR C 438 REMARK 465 LYS C 439 REMARK 465 GLU C 440 REMARK 465 THR C 441 REMARK 465 ARG C 442 REMARK 465 ARG C 443 REMARK 465 GLN C 444 REMARK 465 LYS C 445 REMARK 465 GLN C 446 REMARK 465 GLN C 447 REMARK 465 SER C 448 REMARK 465 ARG C 449 REMARK 465 GLY C 450 REMARK 465 ASP C 451 REMARK 465 GLN C 452 REMARK 465 GLY C 453 REMARK 465 ARG C 454 REMARK 465 ALA C 455 REMARK 465 VAL C 456 REMARK 465 GLY C 457 REMARK 465 SER C 458 REMARK 465 MET C 459 REMARK 465 ASP C 460 REMARK 465 GLY C 461 REMARK 465 HIS C 462 REMARK 465 PRO C 463 REMARK 465 LEU C 464 REMARK 465 GLY C 465 REMARK 465 PRO C 466 REMARK 465 ASP C 467 REMARK 465 ASP C 468 REMARK 465 PRO C 469 REMARK 465 LEU C 470 REMARK 465 PRO C 471 REMARK 465 ARG C 472 REMARK 465 PRO C 473 REMARK 465 ASP C 474 REMARK 465 ASP C 475 REMARK 465 PRO C 476 REMARK 465 LEU C 477 REMARK 465 PRO C 478 REMARK 465 GLY C 479 REMARK 465 PRO C 480 REMARK 465 ASP C 481 REMARK 465 ASN C 482 REMARK 465 PRO C 483 REMARK 465 GLN C 484 REMARK 465 GLY C 485 REMARK 465 PRO C 486 REMARK 465 GLY C 487 REMARK 465 GLU C 488 REMARK 465 ALA C 489 REMARK 465 GLU C 490 REMARK 465 MET C 491 REMARK 465 GLU C 492 REMARK 465 GLY C 493 REMARK 465 VAL C 494 REMARK 465 PRO C 495 REMARK 465 ALA C 496 REMARK 465 LEU C 497 REMARK 465 ASN C 498 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 LEU A 233 CG CD1 CD2 REMARK 470 PRO A 234 CG CD REMARK 470 PHE A 236 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LEU C 233 CG CD1 CD2 REMARK 470 PRO C 234 CG CD REMARK 470 PHE C 236 CG CD1 CD2 CE1 CE2 CZ 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 CG GLN C 232 CD1 LEU C 404 1.65 REMARK 500 CE1 HIS C 231 CB LEU C 404 1.85 REMARK 500 O THR C 401 CG LEU C 404 2.06 REMARK 500 O LEU C 74 OG1 THR C 78 2.11 REMARK 500 O LEU A 74 OG1 THR A 78 2.11 REMARK 500 O LEU C 402 N LEU C 404 2.17 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 GLU A 82 -31.48 163.84 REMARK 500 THR A 83 78.02 52.71 REMARK 500 SER A 116 31.36 -141.63 REMARK 500 HIS A 119 144.44 -174.39 REMARK 500 LEU A 229 32.62 -93.80 REMARK 500 GLN A 232 -92.39 -73.29 REMARK 500 PRO A 234 43.97 -73.68 REMARK 500 CYS A 239 -115.92 54.55 REMARK 500 PRO A 407 -145.76 -76.99 REMARK 500 GLU C 82 -31.48 163.84 REMARK 500 THR C 83 78.02 52.71 REMARK 500 SER C 116 31.36 -141.63 REMARK 500 HIS C 119 144.44 -174.39 REMARK 500 LEU C 229 32.62 -93.80 REMARK 500 GLN C 232 -104.50 -83.03 REMARK 500 PRO C 234 49.87 -86.81 REMARK 500 CYS C 239 -115.92 54.55 REMARK 500 THR C 403 40.03 -63.74 REMARK 500 PRO C 407 -145.82 -76.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 LBN A 501 REMARK 610 LBN A 502 REMARK 610 LBN A 503 REMARK 610 LBN A 505 REMARK 610 LBN C 501 REMARK 610 LBN C 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-78233 RELATED DB: EMDB REMARK 900 PTDSS2 STRUCTURE IN EDTA DBREF1 37JU A 1 498 UNP A0A3Q2IAQ2_HORSE DBREF2 37JU A A0A3Q2IAQ2 1 498 DBREF1 37JU C 1 498 UNP A0A3Q2IAQ2_HORSE DBREF2 37JU C A0A3Q2IAQ2 1 498 SEQRES 1 A 498 MET ARG ARG GLY ASP ARG ARG GLY PRO GLY GLY LEU ARG SEQRES 2 A 498 PRO GLY SER PRO LEU PRO ALA GLY LYS ALA SER LEU GLU SEQRES 3 A 498 GLU PRO PRO ASP GLY VAL PRO SER GLY PRO ALA PRO GLY SEQRES 4 A 498 PRO GLY ARG ARG SER THR GLU SER GLU VAL TYR ASP ASP SEQRES 5 A 498 GLY THR ASN THR PHE PHE TRP ARG ALA HIS THR LEU THR SEQRES 6 A 498 VAL LEU CYS ILE LEU THR CYS VAL LEU GLY TYR VAL THR SEQRES 7 A 498 LEU LEU GLU GLU THR PRO ARG ASP THR ALA TYR ASN THR SEQRES 8 A 498 LYS ARG GLY ILE VAL ALA SER ILE LEU VAL PHE LEU CYS SEQRES 9 A 498 PHE GLY VAL THR GLN ALA LYS ASP GLY PRO PHE SER ARG SEQRES 10 A 498 PRO HIS PRO ALA TYR TRP ARG PHE TRP LEU CYS VAL SER SEQRES 11 A 498 VAL VAL TYR GLU LEU PHE LEU ILE PHE ILE LEU PHE GLN SEQRES 12 A 498 THR VAL GLN ASP GLY ARG GLN PHE LEU LYS TYR VAL ASP SEQRES 13 A 498 PRO ARG LEU GLY VAL PRO LEU PRO GLU ARG ASP TYR GLY SEQRES 14 A 498 GLY ASN CYS LEU ILE TYR ASP ALA ASP ASN GLU SER ASP SEQRES 15 A 498 PRO PHE HIS ASN VAL TRP ASP LYS LEU ASP GLY PHE VAL SEQRES 16 A 498 PRO ALA HIS PHE LEU GLY TRP TYR LEU LYS THR LEU MET SEQRES 17 A 498 ILE ARG ASP TRP TRP MET CYS MET ILE VAL SER VAL MET SEQRES 18 A 498 PHE GLU PHE LEU GLU TYR SER LEU GLU HIS GLN LEU PRO SEQRES 19 A 498 ASN PHE SER GLU CYS TRP TRP ASP HIS TRP ILE MET ASP SEQRES 20 A 498 VAL LEU VAL CYS ASN GLY LEU GLY ILE TYR CYS GLY MET SEQRES 21 A 498 LYS THR LEU GLU TRP LEU SER LEU LYS THR TYR LYS TRP SEQRES 22 A 498 GLN GLY LEU TRP ASN ILE PRO THR TYR LYS GLY LYS MET SEQRES 23 A 498 LYS ARG ILE VAL PHE GLN PHE THR PRO TYR SER TRP VAL SEQRES 24 A 498 ARG PHE GLU TRP LYS PRO ALA SER SER LEU ARG ARG TRP SEQRES 25 A 498 LEU ALA VAL CYS GLY ILE ILE LEU VAL PHE LEU LEU ALA SEQRES 26 A 498 GLU LEU ASN THR PHE TYR LEU LYS PHE VAL LEU TRP LEU SEQRES 27 A 498 PRO PRO GLU HIS TYR LEU VAL LEU LEU ARG LEU VAL PHE SEQRES 28 A 498 PHE VAL ASN VAL GLY GLY VAL ALA MET ARG GLU ILE TYR SEQRES 29 A 498 ASP PHE MET ASP ASP PRO LYS LEU HIS LYS LYS LEU GLY SEQRES 30 A 498 GLN GLN ALA TRP LEU VAL ALA ALA ILE THR ALA THR GLU SEQRES 31 A 498 LEU LEU ILE VAL VAL LYS TYR ASP PRO HIS THR LEU THR SEQRES 32 A 498 LEU SER LEU PRO PHE TYR ILE ALA GLN CYS TRP VAL LEU SEQRES 33 A 498 GLY SER VAL LEU LEU LEU THR TRP THR ALA TRP ARG PHE SEQRES 34 A 498 PHE LEU ARG ASP ILE THR LEU ARG TYR LYS GLU THR ARG SEQRES 35 A 498 ARG GLN LYS GLN GLN SER ARG GLY ASP GLN GLY ARG ALA SEQRES 36 A 498 VAL GLY SER MET ASP GLY HIS PRO LEU GLY PRO ASP ASP SEQRES 37 A 498 PRO LEU PRO ARG PRO ASP ASP PRO LEU PRO GLY PRO ASP SEQRES 38 A 498 ASN PRO GLN GLY PRO GLY GLU ALA GLU MET GLU GLY VAL SEQRES 39 A 498 PRO ALA LEU ASN SEQRES 1 C 498 MET ARG ARG GLY ASP ARG ARG GLY PRO GLY GLY LEU ARG SEQRES 2 C 498 PRO GLY SER PRO LEU PRO ALA GLY LYS ALA SER LEU GLU SEQRES 3 C 498 GLU PRO PRO ASP GLY VAL PRO SER GLY PRO ALA PRO GLY SEQRES 4 C 498 PRO GLY ARG ARG SER THR GLU SER GLU VAL TYR ASP ASP SEQRES 5 C 498 GLY THR ASN THR PHE PHE TRP ARG ALA HIS THR LEU THR SEQRES 6 C 498 VAL LEU CYS ILE LEU THR CYS VAL LEU GLY TYR VAL THR SEQRES 7 C 498 LEU LEU GLU GLU THR PRO ARG ASP THR ALA TYR ASN THR SEQRES 8 C 498 LYS ARG GLY ILE VAL ALA SER ILE LEU VAL PHE LEU CYS SEQRES 9 C 498 PHE GLY VAL THR GLN ALA LYS ASP GLY PRO PHE SER ARG SEQRES 10 C 498 PRO HIS PRO ALA TYR TRP ARG PHE TRP LEU CYS VAL SER SEQRES 11 C 498 VAL VAL TYR GLU LEU PHE LEU ILE PHE ILE LEU PHE GLN SEQRES 12 C 498 THR VAL GLN ASP GLY ARG GLN PHE LEU LYS TYR VAL ASP SEQRES 13 C 498 PRO ARG LEU GLY VAL PRO LEU PRO GLU ARG ASP TYR GLY SEQRES 14 C 498 GLY ASN CYS LEU ILE TYR ASP ALA ASP ASN GLU SER ASP SEQRES 15 C 498 PRO PHE HIS ASN VAL TRP ASP LYS LEU ASP GLY PHE VAL SEQRES 16 C 498 PRO ALA HIS PHE LEU GLY TRP TYR LEU LYS THR LEU MET SEQRES 17 C 498 ILE ARG ASP TRP TRP MET CYS MET ILE VAL SER VAL MET SEQRES 18 C 498 PHE GLU PHE LEU GLU TYR SER LEU GLU HIS GLN LEU PRO SEQRES 19 C 498 ASN PHE SER GLU CYS TRP TRP ASP HIS TRP ILE MET ASP SEQRES 20 C 498 VAL LEU VAL CYS ASN GLY LEU GLY ILE TYR CYS GLY MET SEQRES 21 C 498 LYS THR LEU GLU TRP LEU SER LEU LYS THR TYR LYS TRP SEQRES 22 C 498 GLN GLY LEU TRP ASN ILE PRO THR TYR LYS GLY LYS MET SEQRES 23 C 498 LYS ARG ILE VAL PHE GLN PHE THR PRO TYR SER TRP VAL SEQRES 24 C 498 ARG PHE GLU TRP LYS PRO ALA SER SER LEU ARG ARG TRP SEQRES 25 C 498 LEU ALA VAL CYS GLY ILE ILE LEU VAL PHE LEU LEU ALA SEQRES 26 C 498 GLU LEU ASN THR PHE TYR LEU LYS PHE VAL LEU TRP LEU SEQRES 27 C 498 PRO PRO GLU HIS TYR LEU VAL LEU LEU ARG LEU VAL PHE SEQRES 28 C 498 PHE VAL ASN VAL GLY GLY VAL ALA MET ARG GLU ILE TYR SEQRES 29 C 498 ASP PHE MET ASP ASP PRO LYS LEU HIS LYS LYS LEU GLY SEQRES 30 C 498 GLN GLN ALA TRP LEU VAL ALA ALA ILE THR ALA THR GLU SEQRES 31 C 498 LEU LEU ILE VAL VAL LYS TYR ASP PRO HIS THR LEU THR SEQRES 32 C 498 LEU SER LEU PRO PHE TYR ILE ALA GLN CYS TRP VAL LEU SEQRES 33 C 498 GLY SER VAL LEU LEU LEU THR TRP THR ALA TRP ARG PHE SEQRES 34 C 498 PHE LEU ARG ASP ILE THR LEU ARG TYR LYS GLU THR ARG SEQRES 35 C 498 ARG GLN LYS GLN GLN SER ARG GLY ASP GLN GLY ARG ALA SEQRES 36 C 498 VAL GLY SER MET ASP GLY HIS PRO LEU GLY PRO ASP ASP SEQRES 37 C 498 PRO LEU PRO ARG PRO ASP ASP PRO LEU PRO GLY PRO ASP SEQRES 38 C 498 ASN PRO GLN GLY PRO GLY GLU ALA GLU MET GLU GLY VAL SEQRES 39 C 498 PRO ALA LEU ASN HET LBN A 501 36 HET LBN A 502 30 HET LBN A 503 37 HET CLR A 504 28 HET LBN A 505 37 HET LBN C 501 36 HET LBN C 502 30 HET CLR C 503 28 HETNAM LBN 1-PALMITOYL-2-OLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE HETNAM CLR CHOLESTEROL HETSYN LBN (2R)-2-[(9Z)-9-OCTADECENOYLOXY]-3-(PALMITOYLOXY)PROPYL HETSYN 2 LBN 2-(TRIMETHYLAMMONIO)ETHYL PHOSPHATE FORMUL 3 LBN 6(C42 H82 N O8 P) FORMUL 6 CLR 2(C27 H46 O) HELIX 1 AA1 LEU A 67 GLU A 81 1 15 HELIX 2 AA2 ASP A 86 GLN A 109 1 24 HELIX 3 AA3 HIS A 119 PHE A 142 1 24 HELIX 4 AA4 THR A 144 ASP A 156 1 13 HELIX 5 AA5 GLY A 193 ARG A 210 1 18 HELIX 6 AA6 ASP A 211 LEU A 229 1 19 HELIX 7 AA7 CYS A 239 VAL A 250 1 12 HELIX 8 AA8 VAL A 250 LEU A 266 1 17 HELIX 9 AA9 LYS A 272 LEU A 276 5 5 HELIX 10 AB1 SER A 308 LEU A 336 1 29 HELIX 11 AB2 HIS A 342 ASP A 369 1 28 HELIX 12 AB3 GLY A 377 ASP A 398 1 22 HELIX 13 AB4 ASP A 398 THR A 403 1 6 HELIX 14 AB5 PRO A 407 ARG A 432 1 26 HELIX 15 AB6 CYS C 68 GLU C 81 1 14 HELIX 16 AB7 ASP C 86 GLN C 109 1 24 HELIX 17 AB8 HIS C 119 PHE C 142 1 24 HELIX 18 AB9 THR C 144 ASP C 156 1 13 HELIX 19 AC1 GLY C 193 ARG C 210 1 18 HELIX 20 AC2 ASP C 211 LEU C 229 1 19 HELIX 21 AC3 CYS C 239 VAL C 250 1 12 HELIX 22 AC4 VAL C 250 LEU C 266 1 17 HELIX 23 AC5 LYS C 272 LEU C 276 5 5 HELIX 24 AC6 SER C 308 LEU C 336 1 29 HELIX 25 AC7 HIS C 342 ASP C 369 1 28 HELIX 26 AC8 GLY C 377 ASP C 398 1 22 HELIX 27 AC9 ASP C 398 THR C 403 1 6 HELIX 28 AD1 PRO C 407 ARG C 432 1 26 SSBOND 1 CYS A 68 CYS A 72 1555 1555 2.04 SSBOND 2 CYS C 68 CYS C 72 1555 1555 2.04 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 43 CONECT 43 14 CONECT 2706 2735 CONECT 2735 2706 CONECT 5385 5387 5390 CONECT 5386 5390 5392 5394 5396 CONECT 5387 5385 5388 5411 CONECT 5388 5387 5400 CONECT 5389 5391 5420 CONECT 5390 5385 5386 CONECT 5391 5389 5393 CONECT 5392 5386 CONECT 5393 5391 5395 CONECT 5394 5386 CONECT 5395 5393 5397 CONECT 5396 5386 CONECT 5397 5395 5398 CONECT 5398 5397 CONECT 5399 5400 5401 5402 CONECT 5400 5388 5399 CONECT 5401 5399 5403 CONECT 5402 5399 CONECT 5403 5401 5404 CONECT 5404 5403 5405 CONECT 5405 5404 5406 CONECT 5406 5405 5407 CONECT 5407 5406 5408 CONECT 5408 5407 5409 CONECT 5409 5408 CONECT 5410 5411 5412 5413 CONECT 5411 5387 5410 CONECT 5412 5410 5414 CONECT 5413 5410 CONECT 5414 5412 5415 CONECT 5415 5414 5416 CONECT 5416 5415 5417 CONECT 5417 5416 5418 CONECT 5418 5417 5419 CONECT 5419 5418 5420 CONECT 5420 5389 5419 CONECT 5421 5423 5426 CONECT 5422 5426 5427 5428 5429 CONECT 5423 5421 5424 5442 CONECT 5424 5423 5431 CONECT 5425 5440 CONECT 5426 5421 5422 CONECT 5427 5422 CONECT 5428 5422 CONECT 5429 5422 CONECT 5430 5431 5432 5433 CONECT 5431 5424 5430 CONECT 5432 5430 5434 CONECT 5433 5430 CONECT 5434 5432 5435 CONECT 5435 5434 5436 CONECT 5436 5435 5437 CONECT 5437 5436 5438 CONECT 5438 5437 5439 CONECT 5439 5438 5440 CONECT 5440 5425 5439 CONECT 5441 5442 5443 5444 CONECT 5442 5423 5441 CONECT 5443 5441 5445 CONECT 5444 5441 CONECT 5445 5443 5446 CONECT 5446 5445 5447 CONECT 5447 5446 5448 CONECT 5448 5447 5449 CONECT 5449 5448 5450 CONECT 5450 5449 CONECT 5451 5453 5457 CONECT 5452 5457 5460 5462 5464 CONECT 5453 5451 5454 5478 CONECT 5454 5453 5467 CONECT 5455 5458 5476 CONECT 5456 5459 5487 CONECT 5457 5451 5452 CONECT 5458 5455 5461 CONECT 5459 5456 CONECT 5460 5452 CONECT 5461 5458 5463 CONECT 5462 5452 CONECT 5463 5461 5465 CONECT 5464 5452 CONECT 5465 5463 CONECT 5466 5467 5468 5469 CONECT 5467 5454 5466 CONECT 5468 5466 5470 CONECT 5469 5466 CONECT 5470 5468 5471 CONECT 5471 5470 5472 CONECT 5472 5471 5473 CONECT 5473 5472 5474 CONECT 5474 5473 5475 CONECT 5475 5474 5476 CONECT 5476 5455 5475 CONECT 5477 5478 5479 5480 CONECT 5478 5453 5477 CONECT 5479 5477 5481 CONECT 5480 5477 CONECT 5481 5479 5482 CONECT 5482 5481 5483 CONECT 5483 5482 5484 CONECT 5484 5483 5485 CONECT 5485 5484 5486 CONECT 5486 5485 5487 CONECT 5487 5456 5486 CONECT 5488 5489 5497 CONECT 5489 5488 5490 CONECT 5490 5489 5491 5515 CONECT 5491 5490 5492 CONECT 5492 5491 5493 5497 CONECT 5493 5492 5494 CONECT 5494 5493 5495 CONECT 5495 5494 5496 5501 CONECT 5496 5495 5497 5498 CONECT 5497 5488 5492 5496 5506 CONECT 5498 5496 5499 CONECT 5499 5498 5500 CONECT 5500 5499 5501 5504 5505 CONECT 5501 5495 5500 5502 CONECT 5502 5501 5503 CONECT 5503 5502 5504 CONECT 5504 5500 5503 5507 CONECT 5505 5500 CONECT 5506 5497 CONECT 5507 5504 5508 5509 CONECT 5508 5507 CONECT 5509 5507 5510 CONECT 5510 5509 5511 CONECT 5511 5510 5512 CONECT 5512 5511 5513 5514 CONECT 5513 5512 CONECT 5514 5512 CONECT 5515 5490 CONECT 5516 5518 5522 CONECT 5517 5522 5525 5527 5529 CONECT 5518 5516 5519 5543 CONECT 5519 5518 5532 CONECT 5520 5523 5541 CONECT 5521 5524 5552 CONECT 5522 5516 5517 CONECT 5523 5520 5526 CONECT 5524 5521 CONECT 5525 5517 CONECT 5526 5523 5528 CONECT 5527 5517 CONECT 5528 5526 5530 CONECT 5529 5517 CONECT 5530 5528 CONECT 5531 5532 5533 5534 CONECT 5532 5519 5531 CONECT 5533 5531 5535 CONECT 5534 5531 CONECT 5535 5533 5536 CONECT 5536 5535 5537 CONECT 5537 5536 5538 CONECT 5538 5537 5539 CONECT 5539 5538 5540 CONECT 5540 5539 5541 CONECT 5541 5520 5540 CONECT 5542 5543 5544 5545 CONECT 5543 5518 5542 CONECT 5544 5542 5546 CONECT 5545 5542 CONECT 5546 5544 5547 CONECT 5547 5546 5548 CONECT 5548 5547 5549 CONECT 5549 5548 5550 CONECT 5550 5549 5551 CONECT 5551 5550 5552 CONECT 5552 5521 5551 CONECT 5553 5555 5558 CONECT 5554 5558 5560 5562 5564 CONECT 5555 5553 5556 5579 CONECT 5556 5555 5568 CONECT 5557 5559 5588 CONECT 5558 5553 5554 CONECT 5559 5557 5561 CONECT 5560 5554 CONECT 5561 5559 5563 CONECT 5562 5554 CONECT 5563 5561 5565 CONECT 5564 5554 CONECT 5565 5563 5566 CONECT 5566 5565 CONECT 5567 5568 5569 5570 CONECT 5568 5556 5567 CONECT 5569 5567 5571 CONECT 5570 5567 CONECT 5571 5569 5572 CONECT 5572 5571 5573 CONECT 5573 5572 5574 CONECT 5574 5573 5575 CONECT 5575 5574 5576 CONECT 5576 5575 5577 CONECT 5577 5576 CONECT 5578 5579 5580 5581 CONECT 5579 5555 5578 CONECT 5580 5578 5582 CONECT 5581 5578 CONECT 5582 5580 5583 CONECT 5583 5582 5584 CONECT 5584 5583 5585 CONECT 5585 5584 5586 CONECT 5586 5585 5587 CONECT 5587 5586 5588 CONECT 5588 5557 5587 CONECT 5589 5591 5594 CONECT 5590 5594 5595 5596 5597 CONECT 5591 5589 5592 5610 CONECT 5592 5591 5599 CONECT 5593 5608 CONECT 5594 5589 5590 CONECT 5595 5590 CONECT 5596 5590 CONECT 5597 5590 CONECT 5598 5599 5600 5601 CONECT 5599 5592 5598 CONECT 5600 5598 5602 CONECT 5601 5598 CONECT 5602 5600 5603 CONECT 5603 5602 5604 CONECT 5604 5603 5605 CONECT 5605 5604 5606 CONECT 5606 5605 5607 CONECT 5607 5606 5608 CONECT 5608 5593 5607 CONECT 5609 5610 5611 5612 CONECT 5610 5591 5609 CONECT 5611 5609 5613 CONECT 5612 5609 CONECT 5613 5611 5614 CONECT 5614 5613 5615 CONECT 5615 5614 5616 CONECT 5616 5615 5617 CONECT 5617 5616 5618 CONECT 5618 5617 CONECT 5619 5620 5628 CONECT 5620 5619 5621 CONECT 5621 5620 5622 5646 CONECT 5622 5621 5623 CONECT 5623 5622 5624 5628 CONECT 5624 5623 5625 CONECT 5625 5624 5626 CONECT 5626 5625 5627 5632 CONECT 5627 5626 5628 5629 CONECT 5628 5619 5623 5627 5637 CONECT 5629 5627 5630 CONECT 5630 5629 5631 CONECT 5631 5630 5632 5635 5636 CONECT 5632 5626 5631 5633 CONECT 5633 5632 5634 CONECT 5634 5633 5635 CONECT 5635 5631 5634 5638 CONECT 5636 5631 CONECT 5637 5628 CONECT 5638 5635 5639 5640 CONECT 5639 5638 CONECT 5640 5638 5641 CONECT 5641 5640 5642 CONECT 5642 5641 5643 CONECT 5643 5642 5644 5645 CONECT 5644 5643 CONECT 5645 5643 CONECT 5646 5621 MASTER 532 0 8 28 0 0 0 6 5644 2 266 78 END