HEADER TRANSPORT PROTEIN 05-SEP-23 8W9O TITLE STRUCTURE OF ATHKT1;1 IN KCL AT 2.8 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: SODIUM TRANSPORTER HKT1; COMPND 3 CHAIN: A, B; 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: HKT1; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS HKT, ION SELECTIVITY, SALT TOLERANCE, TRANSPORT PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR J.WANG,N.SU,J.GUO REVDAT 3 06-NOV-24 8W9O 1 REMARK REVDAT 2 07-AUG-24 8W9O 1 AUTHOR JRNL REVDAT 1 14-FEB-24 8W9O 0 JRNL AUTH J.WANG,Y.LUO,F.YE,Z.J.DING,S.J.ZHENG,S.QIAO,Y.WANG,J.GUO, JRNL AUTH 2 W.YANG,N.SU JRNL TITL STRUCTURES AND ION TRANSPORT MECHANISMS OF PLANT JRNL TITL 2 HIGH-AFFINITY POTASSIUM TRANSPORTERS. JRNL REF MOL PLANT V. 17 409 2024 JRNL REFN ESSN 1752-9867 JRNL PMID 38335958 JRNL DOI 10.1016/J.MOLP.2024.01.007 REMARK 2 REMARK 2 RESOLUTION. 2.80 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) : 2.800 REMARK 3 NUMBER OF PARTICLES : 54018 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 8W9O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 13-SEP-23. REMARK 100 THE DEPOSITION ID IS D_1300040749. 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 : STRUCTURE OF ATHKT1;1 IN KCL AT REMARK 245 2.8 ANGSTROMS RESOLUTION 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 : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K2 QUANTUM (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 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 : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5200.00 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 ASP A 2 REMARK 465 ARG A 3 REMARK 465 VAL A 4 REMARK 465 VAL A 5 REMARK 465 ALA A 6 REMARK 465 LYS A 7 REMARK 465 ILE A 8 REMARK 465 ALA A 9 REMARK 465 LYS A 10 REMARK 465 ILE A 11 REMARK 465 ARG A 12 REMARK 465 SER A 13 REMARK 465 GLN A 14 REMARK 465 LEU A 15 REMARK 465 THR A 16 REMARK 465 LYS A 17 REMARK 465 LEU A 18 REMARK 465 ARG A 19 REMARK 465 SER A 20 REMARK 465 PRO A 113 REMARK 465 HIS A 114 REMARK 465 ASN A 115 REMARK 465 LYS A 116 REMARK 465 ILE A 117 REMARK 465 ARG A 118 REMARK 465 HIS A 119 REMARK 465 ILE A 120 REMARK 465 LEU A 121 REMARK 465 GLY A 122 REMARK 465 SER A 123 REMARK 465 TYR A 124 REMARK 465 ASN A 125 REMARK 465 SER A 126 REMARK 465 ASP A 127 REMARK 465 SER A 128 REMARK 465 SER A 129 REMARK 465 ILE A 130 REMARK 465 GLU A 131 REMARK 465 ASP A 132 REMARK 465 ARG A 133 REMARK 465 CYS A 134 REMARK 465 ASP A 135 REMARK 465 VAL A 136 REMARK 465 GLU A 137 REMARK 465 THR A 138 REMARK 465 VAL A 139 REMARK 465 THR A 140 REMARK 465 ASP A 141 REMARK 465 TYR A 142 REMARK 465 ARG A 143 REMARK 465 GLU A 144 REMARK 465 GLY A 145 REMARK 465 LEU A 146 REMARK 465 ILE A 147 REMARK 465 GLN A 372 REMARK 465 LYS A 373 REMARK 465 THR A 374 REMARK 465 ILE A 375 REMARK 465 GLU A 376 REMARK 465 LYS A 377 REMARK 465 GLU A 378 REMARK 465 GLY A 379 REMARK 465 GLY A 380 REMARK 465 ASP A 381 REMARK 465 ASP A 382 REMARK 465 ASP A 383 REMARK 465 SER A 384 REMARK 465 GLU A 385 REMARK 465 ASN A 386 REMARK 465 GLY A 387 REMARK 465 LYS A 388 REMARK 465 LYS A 389 REMARK 465 VAL A 390 REMARK 465 LYS A 391 REMARK 465 LYS A 392 REMARK 465 SER A 393 REMARK 465 SER A 505 REMARK 465 SER A 506 REMARK 465 MET B 1 REMARK 465 ASP B 2 REMARK 465 ARG B 3 REMARK 465 VAL B 4 REMARK 465 VAL B 5 REMARK 465 ALA B 6 REMARK 465 LYS B 7 REMARK 465 ILE B 8 REMARK 465 ALA B 9 REMARK 465 LYS B 10 REMARK 465 ILE B 11 REMARK 465 ARG B 12 REMARK 465 SER B 13 REMARK 465 GLN B 14 REMARK 465 LEU B 15 REMARK 465 THR B 16 REMARK 465 LYS B 17 REMARK 465 LEU B 18 REMARK 465 ARG B 19 REMARK 465 SER B 20 REMARK 465 PRO B 113 REMARK 465 HIS B 114 REMARK 465 ASN B 115 REMARK 465 LYS B 116 REMARK 465 ILE B 117 REMARK 465 ARG B 118 REMARK 465 HIS B 119 REMARK 465 ILE B 120 REMARK 465 LEU B 121 REMARK 465 GLY B 122 REMARK 465 SER B 123 REMARK 465 TYR B 124 REMARK 465 ASN B 125 REMARK 465 SER B 126 REMARK 465 ASP B 127 REMARK 465 SER B 128 REMARK 465 SER B 129 REMARK 465 ILE B 130 REMARK 465 GLU B 131 REMARK 465 ASP B 132 REMARK 465 ARG B 133 REMARK 465 CYS B 134 REMARK 465 ASP B 135 REMARK 465 VAL B 136 REMARK 465 GLU B 137 REMARK 465 THR B 138 REMARK 465 VAL B 139 REMARK 465 THR B 140 REMARK 465 ASP B 141 REMARK 465 TYR B 142 REMARK 465 ARG B 143 REMARK 465 GLU B 144 REMARK 465 GLY B 145 REMARK 465 LEU B 146 REMARK 465 ILE B 147 REMARK 465 GLN B 372 REMARK 465 LYS B 373 REMARK 465 THR B 374 REMARK 465 ILE B 375 REMARK 465 GLU B 376 REMARK 465 LYS B 377 REMARK 465 GLU B 378 REMARK 465 GLY B 379 REMARK 465 GLY B 380 REMARK 465 ASP B 381 REMARK 465 ASP B 382 REMARK 465 ASP B 383 REMARK 465 SER B 384 REMARK 465 GLU B 385 REMARK 465 ASN B 386 REMARK 465 GLY B 387 REMARK 465 LYS B 388 REMARK 465 LYS B 389 REMARK 465 VAL B 390 REMARK 465 LYS B 391 REMARK 465 LYS B 392 REMARK 465 SER B 393 REMARK 465 SER B 505 REMARK 465 SER B 506 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 VAL A 66 99.61 -66.23 REMARK 500 ASN A 220 -158.34 -79.09 REMARK 500 MET A 221 7.53 -63.57 REMARK 500 VAL A 441 -61.78 -104.42 REMARK 500 LYS A 494 77.36 -100.51 REMARK 500 SER A 495 -61.35 -95.36 REMARK 500 SER B 68 18.48 58.90 REMARK 500 GLU B 194 49.53 39.20 REMARK 500 ASN B 220 -158.90 -82.50 REMARK 500 MET B 221 4.45 -61.60 REMARK 500 VAL B 441 -63.18 -99.11 REMARK 500 LYS B 494 78.26 -101.18 REMARK 500 SER B 495 -62.00 -94.85 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 701 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL A 66 O REMARK 620 2 ASN A 211 O 74.1 REMARK 620 3 HIS A 335 O 114.0 57.7 REMARK 620 4 ASN A 440 O 65.9 83.6 66.4 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 702 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 211 O REMARK 620 2 CYS A 212 O 84.5 REMARK 620 3 HIS A 335 O 58.2 128.8 REMARK 620 4 THR A 336 O 89.0 60.9 83.0 REMARK 620 5 ASN A 440 O 98.1 158.9 68.1 139.7 REMARK 620 6 VAL A 441 O 149.0 86.2 107.6 60.7 101.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 701 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL B 66 O REMARK 620 2 ASN B 211 O 72.3 REMARK 620 3 HIS B 335 O 111.9 56.7 REMARK 620 4 ASN B 440 O 61.9 81.0 67.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 702 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN B 211 O REMARK 620 2 CYS B 212 O 85.2 REMARK 620 3 HIS B 335 O 61.9 136.1 REMARK 620 4 THR B 336 O 96.9 64.0 90.4 REMARK 620 5 ASN B 440 O 99.5 142.2 75.6 150.0 REMARK 620 6 VAL B 441 O 161.1 87.2 114.3 64.2 97.1 REMARK 620 N 1 2 3 4 5 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-37377 RELATED DB: EMDB REMARK 900 STRUCTURE OF ATHKT1;1 IN KCL AT 2.8 ANGSTROMS RESOLUTION DBREF 8W9O A 1 506 UNP Q84TI7 HKT1_ARATH 1 506 DBREF 8W9O B 1 506 UNP Q84TI7 HKT1_ARATH 1 506 SEQRES 1 A 506 MET ASP ARG VAL VAL ALA LYS ILE ALA LYS ILE ARG SER SEQRES 2 A 506 GLN LEU THR LYS LEU ARG SER LEU PHE PHE LEU TYR PHE SEQRES 3 A 506 ILE TYR PHE LEU PHE PHE SER PHE LEU GLY PHE LEU ALA SEQRES 4 A 506 LEU LYS ILE THR LYS PRO ARG THR THR SER ARG PRO HIS SEQRES 5 A 506 ASP PHE ASP LEU PHE PHE THR SER VAL SER ALA ILE THR SEQRES 6 A 506 VAL SER SER MET SER THR VAL ASP MET GLU VAL PHE SER SEQRES 7 A 506 ASN THR GLN LEU ILE PHE LEU THR ILE LEU MET PHE LEU SEQRES 8 A 506 GLY GLY GLU ILE PHE THR SER PHE LEU ASN LEU TYR VAL SEQRES 9 A 506 SER TYR PHE THR LYS PHE VAL PHE PRO HIS ASN LYS ILE SEQRES 10 A 506 ARG HIS ILE LEU GLY SER TYR ASN SER ASP SER SER ILE SEQRES 11 A 506 GLU ASP ARG CYS ASP VAL GLU THR VAL THR ASP TYR ARG SEQRES 12 A 506 GLU GLY LEU ILE LYS ILE ASP GLU ARG ALA SER LYS CYS SEQRES 13 A 506 LEU TYR SER VAL VAL LEU SER TYR HIS LEU VAL THR ASN SEQRES 14 A 506 LEU VAL GLY SER VAL LEU LEU LEU VAL TYR VAL ASN PHE SEQRES 15 A 506 VAL LYS THR ALA ARG ASP VAL LEU SER SER LYS GLU ILE SEQRES 16 A 506 SER PRO LEU THR PHE SER VAL PHE THR THR VAL SER THR SEQRES 17 A 506 PHE ALA ASN CYS GLY PHE VAL PRO THR ASN GLU ASN MET SEQRES 18 A 506 ILE ILE PHE ARG LYS ASN SER GLY LEU ILE TRP LEU LEU SEQRES 19 A 506 ILE PRO GLN VAL LEU MET GLY ASN THR LEU PHE PRO CYS SEQRES 20 A 506 PHE LEU VAL LEU LEU ILE TRP GLY LEU TYR LYS ILE THR SEQRES 21 A 506 LYS ARG ASP GLU TYR GLY TYR ILE LEU LYS ASN HIS ASN SEQRES 22 A 506 LYS MET GLY TYR SER HIS LEU LEU SER VAL ARG LEU CYS SEQRES 23 A 506 VAL LEU LEU GLY VAL THR VAL LEU GLY PHE LEU ILE ILE SEQRES 24 A 506 GLN LEU LEU PHE PHE CYS ALA PHE GLU TRP THR SER GLU SEQRES 25 A 506 SER LEU GLU GLY MET SER SER TYR GLU LYS LEU VAL GLY SEQRES 26 A 506 SER LEU PHE GLN VAL VAL ASN SER ARG HIS THR GLY GLU SEQRES 27 A 506 THR ILE VAL ASP LEU SER THR LEU SER PRO ALA ILE LEU SEQRES 28 A 506 VAL LEU PHE ILE LEU MET MET TYR LEU PRO PRO TYR THR SEQRES 29 A 506 LEU PHE MET PRO LEU THR GLU GLN LYS THR ILE GLU LYS SEQRES 30 A 506 GLU GLY GLY ASP ASP ASP SER GLU ASN GLY LYS LYS VAL SEQRES 31 A 506 LYS LYS SER GLY LEU ILE VAL SER GLN LEU SER PHE LEU SEQRES 32 A 506 THR ILE CYS ILE PHE LEU ILE SER ILE THR GLU ARG GLN SEQRES 33 A 506 ASN LEU GLN ARG ASP PRO ILE ASN PHE ASN VAL LEU ASN SEQRES 34 A 506 ILE THR LEU GLU VAL ILE SER ALA TYR GLY ASN VAL GLY SEQRES 35 A 506 PHE THR THR GLY TYR SER CYS GLU ARG ARG VAL ASP ILE SEQRES 36 A 506 SER ASP GLY GLY CYS LYS ASP ALA SER TYR GLY PHE ALA SEQRES 37 A 506 GLY ARG TRP SER PRO MET GLY LYS PHE VAL LEU ILE ILE SEQRES 38 A 506 VAL MET PHE TYR GLY ARG PHE LYS GLN PHE THR ALA LYS SEQRES 39 A 506 SER GLY ARG ALA TRP ILE LEU TYR PRO SER SER SER SEQRES 1 B 506 MET ASP ARG VAL VAL ALA LYS ILE ALA LYS ILE ARG SER SEQRES 2 B 506 GLN LEU THR LYS LEU ARG SER LEU PHE PHE LEU TYR PHE SEQRES 3 B 506 ILE TYR PHE LEU PHE PHE SER PHE LEU GLY PHE LEU ALA SEQRES 4 B 506 LEU LYS ILE THR LYS PRO ARG THR THR SER ARG PRO HIS SEQRES 5 B 506 ASP PHE ASP LEU PHE PHE THR SER VAL SER ALA ILE THR SEQRES 6 B 506 VAL SER SER MET SER THR VAL ASP MET GLU VAL PHE SER SEQRES 7 B 506 ASN THR GLN LEU ILE PHE LEU THR ILE LEU MET PHE LEU SEQRES 8 B 506 GLY GLY GLU ILE PHE THR SER PHE LEU ASN LEU TYR VAL SEQRES 9 B 506 SER TYR PHE THR LYS PHE VAL PHE PRO HIS ASN LYS ILE SEQRES 10 B 506 ARG HIS ILE LEU GLY SER TYR ASN SER ASP SER SER ILE SEQRES 11 B 506 GLU ASP ARG CYS ASP VAL GLU THR VAL THR ASP TYR ARG SEQRES 12 B 506 GLU GLY LEU ILE LYS ILE ASP GLU ARG ALA SER LYS CYS SEQRES 13 B 506 LEU TYR SER VAL VAL LEU SER TYR HIS LEU VAL THR ASN SEQRES 14 B 506 LEU VAL GLY SER VAL LEU LEU LEU VAL TYR VAL ASN PHE SEQRES 15 B 506 VAL LYS THR ALA ARG ASP VAL LEU SER SER LYS GLU ILE SEQRES 16 B 506 SER PRO LEU THR PHE SER VAL PHE THR THR VAL SER THR SEQRES 17 B 506 PHE ALA ASN CYS GLY PHE VAL PRO THR ASN GLU ASN MET SEQRES 18 B 506 ILE ILE PHE ARG LYS ASN SER GLY LEU ILE TRP LEU LEU SEQRES 19 B 506 ILE PRO GLN VAL LEU MET GLY ASN THR LEU PHE PRO CYS SEQRES 20 B 506 PHE LEU VAL LEU LEU ILE TRP GLY LEU TYR LYS ILE THR SEQRES 21 B 506 LYS ARG ASP GLU TYR GLY TYR ILE LEU LYS ASN HIS ASN SEQRES 22 B 506 LYS MET GLY TYR SER HIS LEU LEU SER VAL ARG LEU CYS SEQRES 23 B 506 VAL LEU LEU GLY VAL THR VAL LEU GLY PHE LEU ILE ILE SEQRES 24 B 506 GLN LEU LEU PHE PHE CYS ALA PHE GLU TRP THR SER GLU SEQRES 25 B 506 SER LEU GLU GLY MET SER SER TYR GLU LYS LEU VAL GLY SEQRES 26 B 506 SER LEU PHE GLN VAL VAL ASN SER ARG HIS THR GLY GLU SEQRES 27 B 506 THR ILE VAL ASP LEU SER THR LEU SER PRO ALA ILE LEU SEQRES 28 B 506 VAL LEU PHE ILE LEU MET MET TYR LEU PRO PRO TYR THR SEQRES 29 B 506 LEU PHE MET PRO LEU THR GLU GLN LYS THR ILE GLU LYS SEQRES 30 B 506 GLU GLY GLY ASP ASP ASP SER GLU ASN GLY LYS LYS VAL SEQRES 31 B 506 LYS LYS SER GLY LEU ILE VAL SER GLN LEU SER PHE LEU SEQRES 32 B 506 THR ILE CYS ILE PHE LEU ILE SER ILE THR GLU ARG GLN SEQRES 33 B 506 ASN LEU GLN ARG ASP PRO ILE ASN PHE ASN VAL LEU ASN SEQRES 34 B 506 ILE THR LEU GLU VAL ILE SER ALA TYR GLY ASN VAL GLY SEQRES 35 B 506 PHE THR THR GLY TYR SER CYS GLU ARG ARG VAL ASP ILE SEQRES 36 B 506 SER ASP GLY GLY CYS LYS ASP ALA SER TYR GLY PHE ALA SEQRES 37 B 506 GLY ARG TRP SER PRO MET GLY LYS PHE VAL LEU ILE ILE SEQRES 38 B 506 VAL MET PHE TYR GLY ARG PHE LYS GLN PHE THR ALA LYS SEQRES 39 B 506 SER GLY ARG ALA TRP ILE LEU TYR PRO SER SER SER HET K A 701 1 HET K A 702 1 HET K B 701 1 HET K B 702 1 HETNAM K POTASSIUM ION FORMUL 3 K 4(K 1+) HELIX 1 AA1 LEU A 21 THR A 43 1 23 HELIX 2 AA2 HIS A 52 THR A 65 1 14 HELIX 3 AA3 SER A 78 GLY A 93 1 16 HELIX 4 AA4 GLY A 93 PHE A 110 1 18 HELIX 5 AA5 ILE A 149 VAL A 183 1 35 HELIX 6 AA6 VAL A 183 LYS A 193 1 11 HELIX 7 AA7 SER A 196 ALA A 210 1 15 HELIX 8 AA8 ASN A 220 ARG A 225 5 6 HELIX 9 AA9 ASN A 227 ASN A 242 1 16 HELIX 10 AB1 LEU A 244 LYS A 261 1 18 HELIX 11 AB2 TYR A 265 LYS A 270 1 6 HELIX 12 AB3 SER A 282 GLU A 308 1 27 HELIX 13 AB4 SER A 318 ARG A 334 1 17 HELIX 14 AB5 ASP A 342 LEU A 346 5 5 HELIX 15 AB6 SER A 347 LEU A 360 1 14 HELIX 16 AB7 SER A 398 GLU A 414 1 17 HELIX 17 AB8 GLU A 414 ASP A 421 1 8 HELIX 18 AB9 ASN A 426 ASN A 440 1 15 HELIX 19 AC1 ASP A 454 GLY A 458 5 5 HELIX 20 AC2 GLY A 466 TRP A 471 5 6 HELIX 21 AC3 SER A 472 PHE A 488 1 17 HELIX 22 AC4 PHE B 22 THR B 43 1 22 HELIX 23 AC5 HIS B 52 THR B 65 1 14 HELIX 24 AC6 SER B 78 GLY B 93 1 16 HELIX 25 AC7 GLY B 93 PHE B 110 1 18 HELIX 26 AC8 ILE B 149 VAL B 183 1 35 HELIX 27 AC9 VAL B 183 LYS B 193 1 11 HELIX 28 AD1 SER B 196 ALA B 210 1 15 HELIX 29 AD2 ASN B 220 ARG B 225 5 6 HELIX 30 AD3 ASN B 227 ASN B 242 1 16 HELIX 31 AD4 LEU B 244 LYS B 261 1 18 HELIX 32 AD5 TYR B 265 LYS B 270 1 6 HELIX 33 AD6 ASN B 271 MET B 275 5 5 HELIX 34 AD7 SER B 282 GLU B 308 1 27 HELIX 35 AD8 SER B 318 SER B 333 1 16 HELIX 36 AD9 ASP B 342 LEU B 346 5 5 HELIX 37 AE1 SER B 347 LEU B 360 1 14 HELIX 38 AE2 SER B 398 GLU B 414 1 17 HELIX 39 AE3 GLU B 414 ASP B 421 1 8 HELIX 40 AE4 ASN B 426 ASN B 440 1 15 HELIX 41 AE5 ASP B 454 GLY B 458 5 5 HELIX 42 AE6 GLY B 466 TRP B 471 5 6 HELIX 43 AE7 SER B 472 PHE B 488 1 17 SHEET 1 AA1 2 LEU A 365 PHE A 366 0 SHEET 2 AA1 2 TRP B 499 ILE B 500 -1 O ILE B 500 N LEU A 365 SHEET 1 AA2 2 TRP A 499 ILE A 500 0 SHEET 2 AA2 2 LEU B 365 PHE B 366 -1 O LEU B 365 N ILE A 500 SSBOND 1 CYS A 449 CYS A 460 1555 1555 2.03 SSBOND 2 CYS B 449 CYS B 460 1555 1555 2.03 LINK O VAL A 66 K K A 701 1555 1555 3.21 LINK O ASN A 211 K K A 701 1555 1555 2.84 LINK O ASN A 211 K K A 702 1555 1555 2.55 LINK O CYS A 212 K K A 702 1555 1555 2.49 LINK O HIS A 335 K K A 701 1555 1555 2.90 LINK O HIS A 335 K K A 702 1555 1555 3.07 LINK O THR A 336 K K A 702 1555 1555 3.20 LINK O ASN A 440 K K A 701 1555 1555 2.83 LINK O ASN A 440 K K A 702 1555 1555 2.46 LINK O VAL A 441 K K A 702 1555 1555 2.52 LINK O VAL B 66 K K B 701 1555 1555 3.26 LINK O ASN B 211 K K B 701 1555 1555 2.90 LINK O ASN B 211 K K B 702 1555 1555 2.50 LINK O CYS B 212 K K B 702 1555 1555 2.53 LINK O HIS B 335 K K B 701 1555 1555 2.90 LINK O HIS B 335 K K B 702 1555 1555 2.83 LINK O THR B 336 K K B 702 1555 1555 2.97 LINK O ASN B 440 K K B 701 1555 1555 2.94 LINK O ASN B 440 K K B 702 1555 1555 2.47 LINK O VAL B 441 K K B 702 1555 1555 2.46 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