HEADER PROTEIN TRANSPORT 12-FEB-25 9LVA TITLE IAA-BOUND AUX1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: AUXIN TRANSPORTER PROTEIN 1; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA; SOURCE 3 ORGANISM_COMMON: THALE CRESS; SOURCE 4 ORGANISM_TAXID: 3702; SOURCE 5 GENE: AUX1; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS TRANSPORT, LEUT-FOLD, PROTEIN TRANSPORT EXPDTA ELECTRON MICROSCOPY AUTHOR C.C.WANG,D.JING,F.KONG,G.X.Y.HUANG,Y.G.SHI REVDAT 2 10-SEP-25 9LVA 1 JRNL REVDAT 1 23-JUL-25 9LVA 0 JRNL AUTH D.JING,F.KONG,X.LU,G.HUANG,J.HUANG,H.WANG,Y.SHI,C.WANG JRNL TITL STRUCTURAL BASIS OF AUXIN BINDING AND TRANSPORT BY JRNL TITL 2 ARABIDOPSIS THALIANA AUX1. JRNL REF PROC.NATL.ACAD.SCI.USA V. 122 24122 2025 JRNL REFN ESSN 1091-6490 JRNL PMID 40720658 JRNL DOI 10.1073/PNAS.2513424122 REMARK 2 REMARK 2 RESOLUTION. 3.52 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) : 3.520 REMARK 3 NUMBER OF PARTICLES : 131289 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 9LVA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 14-FEB-25. REMARK 100 THE DEPOSITION ID IS D_1300056503. 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 : AUX1 REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.40 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2000.00 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 : 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 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 HIS A -23 REMARK 465 HIS A -22 REMARK 465 HIS A -21 REMARK 465 HIS A -20 REMARK 465 HIS A -19 REMARK 465 HIS A -18 REMARK 465 HIS A -17 REMARK 465 HIS A -16 REMARK 465 HIS A -15 REMARK 465 HIS A -14 REMARK 465 GLY A -13 REMARK 465 SER A -12 REMARK 465 VAL A -11 REMARK 465 GLU A -10 REMARK 465 ASP A -9 REMARK 465 TYR A -8 REMARK 465 LYS A -7 REMARK 465 ASP A -6 REMARK 465 ASP A -5 REMARK 465 ASP A -4 REMARK 465 ASP A -3 REMARK 465 LYS A -2 REMARK 465 GLY A -1 REMARK 465 SER A 0 REMARK 465 MET A 1 REMARK 465 SER A 2 REMARK 465 GLU A 3 REMARK 465 GLY A 4 REMARK 465 VAL A 5 REMARK 465 GLU A 6 REMARK 465 ALA A 7 REMARK 465 ILE A 8 REMARK 465 VAL A 9 REMARK 465 ALA A 10 REMARK 465 ASN A 11 REMARK 465 ASP A 12 REMARK 465 ASN A 13 REMARK 465 GLY A 14 REMARK 465 THR A 15 REMARK 465 ASP A 16 REMARK 465 GLN A 17 REMARK 465 VAL A 18 REMARK 465 ASN A 19 REMARK 465 GLY A 20 REMARK 465 ASN A 21 REMARK 465 ARG A 22 REMARK 465 THR A 23 REMARK 465 GLY A 24 REMARK 465 LYS A 25 REMARK 465 ASP A 26 REMARK 465 ASN A 27 REMARK 465 GLU A 28 REMARK 465 GLU A 29 REMARK 465 HIS A 30 REMARK 465 ASP A 31 REMARK 465 GLY A 32 REMARK 465 SER A 33 REMARK 465 THR A 34 REMARK 465 GLY A 35 REMARK 465 SER A 36 REMARK 465 ASN A 37 REMARK 465 LEU A 38 REMARK 465 SER A 39 REMARK 465 ASN A 40 REMARK 465 PHE A 41 REMARK 465 LEU A 42 REMARK 465 TRP A 43 REMARK 465 MET A 343 REMARK 465 HIS A 344 REMARK 465 ASP A 345 REMARK 465 THR A 346 REMARK 465 LYS A 347 REMARK 465 SER A 348 REMARK 465 ILE A 349 REMARK 465 CYS A 350 REMARK 465 LEU A 351 REMARK 465 LYS A 468 REMARK 465 PRO A 469 REMARK 465 ALA A 470 REMARK 465 ALA A 471 REMARK 465 ALA A 472 REMARK 465 ALA A 473 REMARK 465 ALA A 474 REMARK 465 HIS A 475 REMARK 465 ALA A 476 REMARK 465 PRO A 477 REMARK 465 VAL A 478 REMARK 465 SER A 479 REMARK 465 ALA A 480 REMARK 465 LEU A 481 REMARK 465 HIS A 482 REMARK 465 HIS A 483 REMARK 465 ARG A 484 REMARK 465 LEU A 485 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 A 130 -60.94 -93.39 REMARK 500 ILE A 164 -63.02 -93.51 REMARK 500 ALA A 258 -10.74 84.95 REMARK 500 SER A 386 0.33 -65.07 REMARK 500 ASN A 409 30.19 -95.55 REMARK 500 PRO A 415 -175.52 -66.71 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-63417 RELATED DB: EMDB REMARK 900 IAA-BOUND AUX1 DBREF 9LVA A 1 485 UNP Q96247 AUX1_ARATH 1 485 SEQADV 9LVA MET A -24 UNP Q96247 INITIATING METHIONINE SEQADV 9LVA HIS A -23 UNP Q96247 EXPRESSION TAG SEQADV 9LVA HIS A -22 UNP Q96247 EXPRESSION TAG SEQADV 9LVA HIS A -21 UNP Q96247 EXPRESSION TAG SEQADV 9LVA HIS A -20 UNP Q96247 EXPRESSION TAG SEQADV 9LVA HIS A -19 UNP Q96247 EXPRESSION TAG SEQADV 9LVA HIS A -18 UNP Q96247 EXPRESSION TAG SEQADV 9LVA HIS A -17 UNP Q96247 EXPRESSION TAG SEQADV 9LVA HIS A -16 UNP Q96247 EXPRESSION TAG SEQADV 9LVA HIS A -15 UNP Q96247 EXPRESSION TAG SEQADV 9LVA HIS A -14 UNP Q96247 EXPRESSION TAG SEQADV 9LVA GLY A -13 UNP Q96247 EXPRESSION TAG SEQADV 9LVA SER A -12 UNP Q96247 EXPRESSION TAG SEQADV 9LVA VAL A -11 UNP Q96247 EXPRESSION TAG SEQADV 9LVA GLU A -10 UNP Q96247 EXPRESSION TAG SEQADV 9LVA ASP A -9 UNP Q96247 EXPRESSION TAG SEQADV 9LVA TYR A -8 UNP Q96247 EXPRESSION TAG SEQADV 9LVA LYS A -7 UNP Q96247 EXPRESSION TAG SEQADV 9LVA ASP A -6 UNP Q96247 EXPRESSION TAG SEQADV 9LVA ASP A -5 UNP Q96247 EXPRESSION TAG SEQADV 9LVA ASP A -4 UNP Q96247 EXPRESSION TAG SEQADV 9LVA ASP A -3 UNP Q96247 EXPRESSION TAG SEQADV 9LVA LYS A -2 UNP Q96247 EXPRESSION TAG SEQADV 9LVA GLY A -1 UNP Q96247 EXPRESSION TAG SEQADV 9LVA SER A 0 UNP Q96247 EXPRESSION TAG SEQRES 1 A 510 MET HIS HIS HIS HIS HIS HIS HIS HIS HIS HIS GLY SER SEQRES 2 A 510 VAL GLU ASP TYR LYS ASP ASP ASP ASP LYS GLY SER MET SEQRES 3 A 510 SER GLU GLY VAL GLU ALA ILE VAL ALA ASN ASP ASN GLY SEQRES 4 A 510 THR ASP GLN VAL ASN GLY ASN ARG THR GLY LYS ASP ASN SEQRES 5 A 510 GLU GLU HIS ASP GLY SER THR GLY SER ASN LEU SER ASN SEQRES 6 A 510 PHE LEU TRP HIS GLY GLY SER VAL TRP ASP ALA TRP PHE SEQRES 7 A 510 SER CYS ALA SER ASN GLN VAL ALA GLN VAL LEU LEU THR SEQRES 8 A 510 LEU PRO TYR SER PHE SER GLN LEU GLY MET LEU SER GLY SEQRES 9 A 510 ILE VAL LEU GLN ILE PHE TYR GLY LEU LEU GLY SER TRP SEQRES 10 A 510 THR ALA TYR LEU ILE SER VAL LEU TYR VAL GLU TYR ARG SEQRES 11 A 510 ALA ARG LYS GLU LYS GLU GLY LYS SER PHE LYS ASN HIS SEQRES 12 A 510 VAL ILE GLN TRP PHE GLU VAL LEU ASP GLY LEU LEU GLY SEQRES 13 A 510 SER TYR TRP LYS ALA LEU GLY LEU ALA PHE ASN CYS THR SEQRES 14 A 510 PHE LEU LEU PHE GLY SER VAL ILE GLN LEU ILE ALA CYS SEQRES 15 A 510 ALA SER ASN ILE TYR TYR ILE ASN ASP HIS LEU ASP LYS SEQRES 16 A 510 ARG THR TRP THR TYR ILE PHE GLY ALA CYS CYS ALA THR SEQRES 17 A 510 THR VAL PHE ILE PRO SER PHE HIS ASN TYR ARG ILE TRP SEQRES 18 A 510 SER PHE LEU GLY LEU GLY MET THR THR TYR THR ALA TRP SEQRES 19 A 510 TYR LEU ALA ILE ALA SER ILE ILE HIS GLY GLN ALA GLU SEQRES 20 A 510 GLY VAL LYS HIS SER GLY PRO THR LYS LEU VAL LEU TYR SEQRES 21 A 510 PHE THR GLY ALA THR ASN ILE LEU TYR THR PHE GLY GLY SEQRES 22 A 510 HIS ALA VAL THR VAL GLU ILE MET HIS ALA MET TRP LYS SEQRES 23 A 510 PRO GLN LYS PHE LYS TYR ILE TYR LEU MET ALA THR LEU SEQRES 24 A 510 TYR VAL PHE THR LEU THR ILE PRO SER ALA ALA ALA VAL SEQRES 25 A 510 TYR TRP ALA PHE GLY ASP ALA LEU LEU ASP HIS SER ASN SEQRES 26 A 510 ALA PHE SER LEU MET PRO LYS ASN ALA TRP ARG ASP ALA SEQRES 27 A 510 ALA VAL ILE LEU MET LEU ILE HIS GLN PHE ILE THR PHE SEQRES 28 A 510 GLY PHE ALA CYS THR PRO LEU TYR PHE VAL TRP GLU LYS SEQRES 29 A 510 VAL ILE GLY MET HIS ASP THR LYS SER ILE CYS LEU ARG SEQRES 30 A 510 ALA LEU ALA ARG LEU PRO VAL VAL ILE PRO ILE TRP PHE SEQRES 31 A 510 LEU ALA ILE ILE PHE PRO PHE PHE GLY PRO ILE ASN SER SEQRES 32 A 510 ALA VAL GLY ALA LEU LEU VAL SER PHE THR VAL TYR ILE SEQRES 33 A 510 ILE PRO SER LEU ALA HIS MET LEU THR TYR ARG SER ALA SEQRES 34 A 510 SER ALA ARG GLN ASN ALA ALA GLU LYS PRO PRO PHE PHE SEQRES 35 A 510 MET PRO SER TRP THR ALA MET TYR VAL LEU ASN ALA PHE SEQRES 36 A 510 VAL VAL VAL TRP VAL LEU ILE VAL GLY PHE GLY PHE GLY SEQRES 37 A 510 GLY TRP ALA SER VAL THR ASN PHE VAL ARG GLN VAL ASP SEQRES 38 A 510 THR PHE GLY LEU PHE ALA LYS CYS TYR GLN CYS LYS PRO SEQRES 39 A 510 ALA ALA ALA ALA ALA HIS ALA PRO VAL SER ALA LEU HIS SEQRES 40 A 510 HIS ARG LEU HET IAC A 501 13 HETNAM IAC 1H-INDOL-3-YLACETIC ACID HETSYN IAC INDOLE ACETIC ACID FORMUL 2 IAC C10 H9 N O2 HELIX 1 AA1 SER A 47 VAL A 60 1 14 HELIX 2 AA2 THR A 66 GLY A 75 1 10 HELIX 3 AA3 GLY A 75 GLY A 112 1 38 HELIX 4 AA4 GLN A 121 LEU A 130 1 10 HELIX 5 AA5 SER A 132 TYR A 162 1 31 HELIX 6 AA6 ASP A 169 THR A 183 1 15 HELIX 7 AA7 THR A 184 PHE A 186 5 3 HELIX 8 AA8 ASN A 192 GLY A 219 1 28 HELIX 9 AA9 LYS A 231 THR A 245 1 15 HELIX 10 AB1 VAL A 251 MET A 256 1 6 HELIX 11 AB2 PHE A 265 GLY A 292 1 28 HELIX 12 AB3 ASN A 300 LEU A 304 5 5 HELIX 13 AB4 ASN A 308 GLY A 342 1 35 HELIX 14 AB5 ARG A 356 PHE A 370 1 15 HELIX 15 AB6 PHE A 373 LEU A 384 1 12 HELIX 16 AB7 LEU A 384 VAL A 389 1 6 HELIX 17 AB8 TYR A 390 TYR A 401 1 12 HELIX 18 AB9 SER A 403 ASN A 409 1 7 HELIX 19 AC1 SER A 420 GLY A 439 1 20 HELIX 20 AC2 PHE A 442 GLY A 459 1 18 SSBOND 1 CYS A 464 CYS A 467 1555 1555 2.03 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 TER 3311 CYS A 467 HETATM 3312 C IAC A 501 106.121 103.930 104.770 1.00 62.00 C HETATM 3313 C1 IAC A 501 104.795 104.167 104.346 1.00 62.00 C HETATM 3314 C2 IAC A 501 104.313 105.477 104.308 1.00 62.00 C HETATM 3315 C3 IAC A 501 105.152 106.506 104.686 1.00 62.00 C HETATM 3316 C4 IAC A 501 106.469 106.251 105.103 1.00 62.00 C HETATM 3317 C5 IAC A 501 106.972 104.966 105.153 1.00 62.00 C HETATM 3318 C7 IAC A 501 104.212 102.901 104.031 1.00 62.00 C HETATM 3319 C8 IAC A 501 105.183 101.974 104.272 1.00 62.00 C HETATM 3320 C17 IAC A 501 102.830 102.672 103.546 1.00 62.00 C HETATM 3321 C18 IAC A 501 101.729 102.960 104.588 1.00 62.00 C HETATM 3322 N IAC A 501 106.328 102.586 104.713 1.00 62.00 N HETATM 3323 O2 IAC A 501 100.633 103.331 104.119 1.00 62.00 O HETATM 3324 O3 IAC A 501 102.015 102.808 105.786 1.00 62.00 O CONECT 3283 3310 CONECT 3310 3283 CONECT 3312 3313 3317 3322 CONECT 3313 3312 3314 3318 CONECT 3314 3313 3315 CONECT 3315 3314 3316 CONECT 3316 3315 3317 CONECT 3317 3312 3316 CONECT 3318 3313 3319 3320 CONECT 3319 3318 3322 CONECT 3320 3318 3321 CONECT 3321 3320 3323 3324 CONECT 3322 3312 3319 CONECT 3323 3321 CONECT 3324 3321 MASTER 222 0 1 20 0 0 0 6 3323 1 15 40 END