HEADER MEMBRANE PROTEIN 10-APR-25 9QU4 TITLE CRYO-EM STRUCTURE OF THE INWARD-OPEN CHOLINE-BOUND STATE OF TITLE 2 CHOLINE/ETHANOLAMINE TRANSPORTER FLVCR2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: IMMUNOGLOBULIN G-BINDING PROTEIN A,CHOLINE/ETHANOLAMINE COMPND 3 TRANSPORTER FLVCR2; COMPND 4 CHAIN: A; COMPND 5 SYNONYM: IGG-BINDING PROTEIN A,STAPHYLOCOCCAL PROTEIN A,SPA,CALCIUM- COMPND 6 CHELATE TRANSPORTER,CCT,FELINE LEUKEMIA VIRUS SUBGROUP C RECEPTOR- COMPND 7 RELATED PROTEIN 2,HEME TRANSPORTER FLVCR2; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: SPA, FLVCR2, C14ORF58; SOURCE 6 EXPRESSION_SYSTEM: SACCHAROMYCES CEREVISIAE; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 4932 KEYWDS CHOLINE TRANSPORTER, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR J.H.DRILLER,L.NEL,B.P.PEDERSEN REVDAT 1 11-JUN-25 9QU4 0 JRNL AUTH L.NEL,J.H.DRILLER,R.DRILLER,K.M.FRAIN,B.P.PEDERSEN JRNL TITL COMPARATIVE AND STRUCTURAL ANALYSIS OF CHOLINE TRANSPORT JRNL TITL 2 BETWEEN EUKARYOTIC CHOLINE TRANSPORT PROTEIN FAMILIES FLVCR JRNL TITL 3 AND CTL JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 3.39 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : PHENIX REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 3.390 REMARK 3 NUMBER OF PARTICLES : 271101 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 9QU4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-APR-25. REMARK 100 THE DEPOSITION ID IS D_1292138387. 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 : CHOLINE/ETHANOLAMINE REMARK 245 TRANSPORTER FLVCR2 IN DDM REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : 15 MA 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) : 600.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1800.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5970.00 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 -65 REMARK 465 GLY A -64 REMARK 465 PRO A -63 REMARK 465 MET A -62 REMARK 465 VAL A -61 REMARK 465 ASN A -60 REMARK 465 GLU A -59 REMARK 465 ASN A -58 REMARK 465 LYS A -57 REMARK 465 GLU A -56 REMARK 465 GLN A -55 REMARK 465 GLN A -54 REMARK 465 ASN A -53 REMARK 465 ALA A -52 REMARK 465 PHE A -51 REMARK 465 TYR A -50 REMARK 465 GLU A -49 REMARK 465 ILE A -48 REMARK 465 LEU A -47 REMARK 465 SER A -46 REMARK 465 LEU A -45 REMARK 465 PRO A -44 REMARK 465 ASN A -43 REMARK 465 LEU A -42 REMARK 465 ASN A -41 REMARK 465 GLU A -40 REMARK 465 GLU A -39 REMARK 465 GLN A -38 REMARK 465 ARG A -37 REMARK 465 ASN A -36 REMARK 465 ALA A -35 REMARK 465 PHE A -34 REMARK 465 ILE A -33 REMARK 465 GLN A -32 REMARK 465 SER A -31 REMARK 465 LEU A -30 REMARK 465 LYS A -29 REMARK 465 ASP A -28 REMARK 465 ASP A -27 REMARK 465 PRO A -26 REMARK 465 SER A -25 REMARK 465 GLN A -24 REMARK 465 SER A -23 REMARK 465 ALA A -22 REMARK 465 ASN A -21 REMARK 465 LEU A -20 REMARK 465 LEU A -19 REMARK 465 ALA A -18 REMARK 465 GLU A -17 REMARK 465 ALA A -16 REMARK 465 LYS A -15 REMARK 465 LYS A -14 REMARK 465 LEU A -13 REMARK 465 ASN A -12 REMARK 465 GLU A -11 REMARK 465 GLN A -10 REMARK 465 GLN A -9 REMARK 465 ALA A -8 REMARK 465 ALA A -7 REMARK 465 PHE A -6 REMARK 465 TYR A -5 REMARK 465 GLU A -4 REMARK 465 ILE A -3 REMARK 465 LEU A -2 REMARK 465 HIS A -1 REMARK 465 LEU A 0 REMARK 465 PRO A 1 REMARK 465 ASN A 2 REMARK 465 LEU A 3 REMARK 465 ASN A 4 REMARK 465 GLU A 5 REMARK 465 GLU A 6 REMARK 465 GLN A 7 REMARK 465 ARG A 8 REMARK 465 ASN A 9 REMARK 465 ALA A 10 REMARK 465 PHE A 11 REMARK 465 ILE A 12 REMARK 465 GLN A 13 REMARK 465 SER A 14 REMARK 465 LEU A 15 REMARK 465 LYS A 16 REMARK 465 ASP A 17 REMARK 465 ASP A 18 REMARK 465 PRO A 19 REMARK 465 SER A 20 REMARK 465 GLN A 21 REMARK 465 SER A 22 REMARK 465 ALA A 23 REMARK 465 ASN A 24 REMARK 465 LEU A 25 REMARK 465 LEU A 26 REMARK 465 ALA A 27 REMARK 465 GLU A 28 REMARK 465 ALA A 29 REMARK 465 LYS A 30 REMARK 465 LYS A 31 REMARK 465 LEU A 32 REMARK 465 ASN A 33 REMARK 465 GLU A 34 REMARK 465 GLN A 35 REMARK 465 GLN A 36 REMARK 465 ALA A 37 REMARK 465 ALA A 38 REMARK 465 PHE A 39 REMARK 465 TYR A 40 REMARK 465 GLU A 41 REMARK 465 ILE A 42 REMARK 465 LEU A 43 REMARK 465 HIS A 44 REMARK 465 LEU A 45 REMARK 465 PRO A 46 REMARK 465 ASN A 47 REMARK 465 LEU A 48 REMARK 465 ASN A 49 REMARK 465 GLU A 50 REMARK 465 GLU A 51 REMARK 465 GLN A 52 REMARK 465 ARG A 53 REMARK 465 ASN A 54 REMARK 465 ALA A 55 REMARK 465 PHE A 56 REMARK 465 ILE A 57 REMARK 465 GLN A 58 REMARK 465 SER A 59 REMARK 465 LEU A 60 REMARK 465 LYS A 61 REMARK 465 ASP A 62 REMARK 465 ASP A 63 REMARK 465 PRO A 64 REMARK 465 SER A 65 REMARK 465 GLN A 66 REMARK 465 SER A 67 REMARK 465 ALA A 68 REMARK 465 ASN A 69 REMARK 465 LEU A 70 REMARK 465 LEU A 71 REMARK 465 ALA A 72 REMARK 465 GLU A 73 REMARK 465 ALA A 74 REMARK 465 LYS A 75 REMARK 465 LYS A 76 REMARK 465 LEU A 77 REMARK 465 ASN A 78 REMARK 465 GLU A 79 REMARK 465 LEU A 80 REMARK 465 GLN A 81 REMARK 465 LYS A 82 REMARK 465 PRO A 280 REMARK 465 SER A 281 REMARK 465 ARG A 282 REMARK 465 ALA A 283 REMARK 465 GLN A 284 REMARK 465 SER A 285 REMARK 465 LEU A 286 REMARK 465 SER A 287 REMARK 465 TYR A 288 REMARK 465 ALA A 289 REMARK 465 LEU A 290 REMARK 465 THR A 291 REMARK 465 SER A 292 REMARK 465 PRO A 293 REMARK 465 ASP A 294 REMARK 465 ALA A 295 REMARK 465 LEU A 501 REMARK 465 GLU A 502 REMARK 465 ASN A 503 REMARK 465 LYS A 504 REMARK 465 LEU A 505 REMARK 465 GLN A 506 REMARK 465 GLU A 507 REMARK 465 GLU A 508 REMARK 465 GLU A 509 REMARK 465 GLU A 510 REMARK 465 GLU A 511 REMARK 465 SER A 512 REMARK 465 ASN A 513 REMARK 465 THR A 514 REMARK 465 SER A 515 REMARK 465 LYS A 516 REMARK 465 VAL A 517 REMARK 465 PRO A 518 REMARK 465 THR A 519 REMARK 465 ALA A 520 REMARK 465 VAL A 521 REMARK 465 SER A 522 REMARK 465 GLU A 523 REMARK 465 ASP A 524 REMARK 465 HIS A 525 REMARK 465 LEU A 526 REMARK 465 GLY A 527 REMARK 465 LEU A 528 REMARK 465 VAL A 529 REMARK 465 PRO A 530 REMARK 465 ARG A 531 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 ILE A 194 -61.59 -121.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-53371 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE INWARD-OPEN CHOLINE-BOUND STATE OF CHOLINE/ REMARK 900 ETHANOLAMINE TRANSPORTER FLVCR2 DBREF 9QU4 A -58 78 UNP P38507 SPA_STAAU 159 321 DBREF 9QU4 A 83 526 UNP Q9UPI3 FLVC2_HUMAN 83 526 SEQADV 9QU4 MET A -65 UNP P38507 INITIATING METHIONINE SEQADV 9QU4 GLY A -64 UNP P38507 EXPRESSION TAG SEQADV 9QU4 PRO A -63 UNP P38507 EXPRESSION TAG SEQADV 9QU4 MET A -62 UNP P38507 EXPRESSION TAG SEQADV 9QU4 VAL A -61 UNP P38507 EXPRESSION TAG SEQADV 9QU4 ASN A -60 UNP P38507 EXPRESSION TAG SEQADV 9QU4 GLU A -59 UNP P38507 EXPRESSION TAG SEQADV 9QU4 SER A -46 UNP P38507 ASN 171 CONFLICT SEQADV 9QU4 LEU A -45 UNP P38507 MET 172 CONFLICT SEQADV 9QU4 ALA A -35 UNP P38507 GLY 182 CONFLICT SEQADV 9QU4 A UNP P38507 GLU 206 DELETION SEQADV 9QU4 A UNP P38507 SER 207 DELETION SEQADV 9QU4 A UNP P38507 GLN 208 DELETION SEQADV 9QU4 A UNP P38507 ALA 209 DELETION SEQADV 9QU4 A UNP P38507 PRO 210 DELETION SEQADV 9QU4 A UNP P38507 LYS 211 DELETION SEQADV 9QU4 A UNP P38507 ALA 212 DELETION SEQADV 9QU4 A UNP P38507 ASP 213 DELETION SEQADV 9QU4 A UNP P38507 ASN 214 DELETION SEQADV 9QU4 A UNP P38507 LYS 215 DELETION SEQADV 9QU4 A UNP P38507 PHE 216 DELETION SEQADV 9QU4 A UNP P38507 ASN 217 DELETION SEQADV 9QU4 A UNP P38507 LYS 218 DELETION SEQADV 9QU4 ALA A -8 UNP P38507 ASN 222 CONFLICT SEQADV 9QU4 ALA A 10 UNP P38507 GLY 240 CONFLICT SEQADV 9QU4 A UNP P38507 ASP 264 DELETION SEQADV 9QU4 A UNP P38507 ALA 265 DELETION SEQADV 9QU4 A UNP P38507 GLN 266 DELETION SEQADV 9QU4 A UNP P38507 ALA 267 DELETION SEQADV 9QU4 A UNP P38507 PRO 268 DELETION SEQADV 9QU4 A UNP P38507 LYS 269 DELETION SEQADV 9QU4 A UNP P38507 ALA 270 DELETION SEQADV 9QU4 A UNP P38507 ASP 271 DELETION SEQADV 9QU4 A UNP P38507 ASN 272 DELETION SEQADV 9QU4 A UNP P38507 LYS 273 DELETION SEQADV 9QU4 A UNP P38507 PHE 274 DELETION SEQADV 9QU4 A UNP P38507 ASN 275 DELETION SEQADV 9QU4 A UNP P38507 LYS 276 DELETION SEQADV 9QU4 ALA A 37 UNP P38507 ASN 280 CONFLICT SEQADV 9QU4 ASN A 49 UNP P38507 THR 292 CONFLICT SEQADV 9QU4 ALA A 55 UNP P38507 GLY 298 CONFLICT SEQADV 9QU4 GLN A 66 UNP P38507 VAL 309 CONFLICT SEQADV 9QU4 ALA A 68 UNP P38507 LYS 311 CONFLICT SEQADV 9QU4 ASN A 69 UNP P38507 GLU 312 CONFLICT SEQADV 9QU4 LEU A 70 UNP P38507 ILE 313 CONFLICT SEQADV 9QU4 GLU A 79 UNP P38507 LINKER SEQADV 9QU4 LEU A 80 UNP P38507 LINKER SEQADV 9QU4 GLN A 81 UNP P38507 LINKER SEQADV 9QU4 LYS A 82 UNP P38507 LINKER SEQADV 9QU4 GLY A 527 UNP Q9UPI3 EXPRESSION TAG SEQADV 9QU4 LEU A 528 UNP Q9UPI3 EXPRESSION TAG SEQADV 9QU4 VAL A 529 UNP Q9UPI3 EXPRESSION TAG SEQADV 9QU4 PRO A 530 UNP Q9UPI3 EXPRESSION TAG SEQADV 9QU4 ARG A 531 UNP Q9UPI3 EXPRESSION TAG SEQRES 1 A 597 MET GLY PRO MET VAL ASN GLU ASN LYS GLU GLN GLN ASN SEQRES 2 A 597 ALA PHE TYR GLU ILE LEU SER LEU PRO ASN LEU ASN GLU SEQRES 3 A 597 GLU GLN ARG ASN ALA PHE ILE GLN SER LEU LYS ASP ASP SEQRES 4 A 597 PRO SER GLN SER ALA ASN LEU LEU ALA GLU ALA LYS LYS SEQRES 5 A 597 LEU ASN GLU GLN GLN ALA ALA PHE TYR GLU ILE LEU HIS SEQRES 6 A 597 LEU PRO ASN LEU ASN GLU GLU GLN ARG ASN ALA PHE ILE SEQRES 7 A 597 GLN SER LEU LYS ASP ASP PRO SER GLN SER ALA ASN LEU SEQRES 8 A 597 LEU ALA GLU ALA LYS LYS LEU ASN GLU GLN GLN ALA ALA SEQRES 9 A 597 PHE TYR GLU ILE LEU HIS LEU PRO ASN LEU ASN GLU GLU SEQRES 10 A 597 GLN ARG ASN ALA PHE ILE GLN SER LEU LYS ASP ASP PRO SEQRES 11 A 597 SER GLN SER ALA ASN LEU LEU ALA GLU ALA LYS LYS LEU SEQRES 12 A 597 ASN GLU LEU GLN LYS ARG ARG TRP ALA VAL VAL LEU VAL SEQRES 13 A 597 PHE SER CYS TYR SER MET CYS ASN SER PHE GLN TRP ILE SEQRES 14 A 597 GLN TYR GLY SER ILE ASN ASN ILE PHE MET HIS PHE TYR SEQRES 15 A 597 GLY VAL SER ALA PHE ALA ILE ASP TRP LEU SER MET CYS SEQRES 16 A 597 TYR MET LEU THR TYR ILE PRO LEU LEU LEU PRO VAL ALA SEQRES 17 A 597 TRP LEU LEU GLU LYS PHE GLY LEU ARG THR ILE ALA LEU SEQRES 18 A 597 THR GLY SER ALA LEU ASN CYS LEU GLY ALA TRP VAL LYS SEQRES 19 A 597 LEU GLY SER LEU LYS PRO HIS LEU PHE PRO VAL THR VAL SEQRES 20 A 597 VAL GLY GLN LEU ILE CYS SER VAL ALA GLN VAL PHE ILE SEQRES 21 A 597 LEU GLY MET PRO SER ARG ILE ALA SER VAL TRP PHE GLY SEQRES 22 A 597 ALA ASN GLU VAL SER THR ALA CYS SER VAL ALA VAL PHE SEQRES 23 A 597 GLY ASN GLN LEU GLY ILE ALA ILE GLY PHE LEU VAL PRO SEQRES 24 A 597 PRO VAL LEU VAL PRO ASN ILE GLU ASP ARG ASP GLU LEU SEQRES 25 A 597 ALA TYR HIS ILE SER ILE MET PHE TYR ILE ILE GLY GLY SEQRES 26 A 597 VAL ALA THR LEU LEU LEU ILE LEU VAL ILE ILE VAL PHE SEQRES 27 A 597 LYS GLU LYS PRO LYS TYR PRO PRO SER ARG ALA GLN SER SEQRES 28 A 597 LEU SER TYR ALA LEU THR SER PRO ASP ALA SER TYR LEU SEQRES 29 A 597 GLY SER ILE ALA ARG LEU PHE LYS ASN LEU ASN PHE VAL SEQRES 30 A 597 LEU LEU VAL ILE THR TYR GLY LEU ASN ALA GLY ALA PHE SEQRES 31 A 597 TYR ALA LEU SER THR LEU LEU ASN ARG MET VAL ILE TRP SEQRES 32 A 597 HIS TYR PRO GLY GLU GLU VAL ASN ALA GLY ARG ILE GLY SEQRES 33 A 597 LEU THR ILE VAL ILE ALA GLY MET LEU GLY ALA VAL ILE SEQRES 34 A 597 SER GLY ILE TRP LEU ASP ARG SER LYS THR TYR LYS GLU SEQRES 35 A 597 THR THR LEU VAL VAL TYR ILE MET THR LEU VAL GLY MET SEQRES 36 A 597 VAL VAL TYR THR PHE THR LEU ASN LEU GLY HIS LEU TRP SEQRES 37 A 597 VAL VAL PHE ILE THR ALA GLY THR MET GLY PHE PHE MET SEQRES 38 A 597 THR GLY TYR LEU PRO LEU GLY PHE GLU PHE ALA VAL GLU SEQRES 39 A 597 LEU THR TYR PRO GLU SER GLU GLY ILE SER SER GLY LEU SEQRES 40 A 597 LEU ASN ILE SER ALA GLN VAL PHE GLY ILE ILE PHE THR SEQRES 41 A 597 ILE SER GLN GLY GLN ILE ILE ASP ASN TYR GLY THR LYS SEQRES 42 A 597 PRO GLY ASN ILE PHE LEU CYS VAL PHE LEU THR LEU GLY SEQRES 43 A 597 ALA ALA LEU THR ALA PHE ILE LYS ALA ASP LEU ARG ARG SEQRES 44 A 597 GLN LYS ALA ASN LYS GLU THR LEU GLU ASN LYS LEU GLN SEQRES 45 A 597 GLU GLU GLU GLU GLU SER ASN THR SER LYS VAL PRO THR SEQRES 46 A 597 ALA VAL SER GLU ASP HIS LEU GLY LEU VAL PRO ARG HET CHT A 600 21 HETNAM CHT CHOLINE ION FORMUL 2 CHT C5 H14 N O 1+ HELIX 1 AA1 ARG A 83 ILE A 108 1 26 HELIX 2 AA2 ILE A 108 GLY A 117 1 10 HELIX 3 AA3 SER A 119 GLY A 149 1 31 HELIX 4 AA4 GLY A 149 LYS A 168 1 20 HELIX 5 AA5 LEU A 169 LEU A 172 5 4 HELIX 6 AA6 LEU A 176 PHE A 193 1 18 HELIX 7 AA7 GLY A 196 PHE A 206 1 11 HELIX 8 AA8 GLU A 210 VAL A 237 1 28 HELIX 9 AA9 ASP A 242 PHE A 272 1 31 HELIX 10 AB1 TYR A 297 LYS A 306 1 10 HELIX 11 AB2 ASN A 307 TYR A 339 1 33 HELIX 12 AB3 GLU A 342 SER A 371 1 30 HELIX 13 AB4 TYR A 374 ASN A 397 1 24 HELIX 14 AB5 LEU A 401 THR A 430 1 30 HELIX 15 AB6 SER A 434 TYR A 464 1 31 HELIX 16 AB7 GLY A 465 PHE A 486 1 22 HELIX 17 AB8 LEU A 491 LYS A 498 1 8 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 6360 6361 6365 6367 6368 CONECT 6361 6360 6366 6369 6370 CONECT 6362 6366 6371 6372 6373 CONECT 6363 6366 6374 6375 6376 CONECT 6364 6366 6377 6378 6379 CONECT 6365 6360 6380 CONECT 6366 6361 6362 6363 6364 CONECT 6367 6360 CONECT 6368 6360 CONECT 6369 6361 CONECT 6370 6361 CONECT 6371 6362 CONECT 6372 6362 CONECT 6373 6362 CONECT 6374 6363 CONECT 6375 6363 CONECT 6376 6363 CONECT 6377 6364 CONECT 6378 6364 CONECT 6379 6364 CONECT 6380 6365 MASTER 322 0 1 17 0 0 0 6 3137 1 21 46 END