HEADER MEMBRANE PROTEIN 20-JUN-22 8DE9 TITLE CRYO-EM STRUCTURE OF THE ZEBRAFISH TWO PORE DOMAIN K+ CHANNEL TREK1 TITLE 2 (K2P2.1) IN DDM/POPE MIXED MICELLES COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL, SUBFAMILY K, MEMBER 2A; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DANIO RERIO; SOURCE 3 ORGANISM_COMMON: ZEBRAFISH; SOURCE 4 ORGANISM_TAXID: 7955; SOURCE 5 GENE: KCNK2A; SOURCE 6 EXPRESSION_SYSTEM: KOMAGATAELLA PASTORIS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 4922; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: SMD1168H KEYWDS ION CHANNEL, K2P, K2P2.1, TREK1, TREK-1, POPE, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR P.A.M.SCHMIDPETER,C.M.NIMIGEAN,P.M.RIEGELHAUPT REVDAT 1 08-MAR-23 8DE9 0 JRNL AUTH P.A.M.SCHMIDPETER,J.T.PETROFF 2ND,L.KHAJOUEINEJAD,A.WAGUE, JRNL AUTH 2 C.FRANKFATER,W.W.L.CHENG,C.M.NIMIGEAN,P.M.RIEGELHAUPT JRNL TITL MEMBRANE PHOSPHOLIPIDS CONTROL GATING OF THE JRNL TITL 2 MECHANOSENSITIVE POTASSIUM LEAK CHANNEL TREK1. JRNL REF NAT COMMUN V. 14 1077 2023 JRNL REFN ESSN 2041-1723 JRNL PMID 36841877 JRNL DOI 10.1038/S41467-023-36765-W REMARK 2 REMARK 2 RESOLUTION. 3.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : RELION, LEGINON, CTFFIND, RELION, UCSF REMARK 3 CHIMERA, COOT, RELION, RELION, RELION, REMARK 3 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) : 3.400 REMARK 3 NUMBER OF PARTICLES : 105608 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 8DE9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-JUN-22. REMARK 100 THE DEPOSITION ID IS D_1000266474. 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 : POTASSIUM CHANNEL SUBFAMILY K REMARK 245 MEMBER 2 REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 3.00 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 : 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) : 1300.00 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) : 5281.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 105000 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 ALA A 2 REMARK 465 ALA A 3 REMARK 465 PRO A 4 REMARK 465 ASP A 5 REMARK 465 LEU A 6 REMARK 465 LEU A 7 REMARK 465 ASP A 8 REMARK 465 PRO A 9 REMARK 465 LYS A 10 REMARK 465 SER A 11 REMARK 465 ALA A 12 REMARK 465 THR A 13 REMARK 465 HIS A 14 REMARK 465 ASN A 15 REMARK 465 THR A 16 REMARK 465 LYS A 17 REMARK 465 PRO A 18 REMARK 465 ARG A 19 REMARK 465 LEU A 20 REMARK 465 SER A 21 REMARK 465 PHE A 22 REMARK 465 SER A 23 REMARK 465 SER A 24 REMARK 465 LYS A 25 REMARK 465 PRO A 26 REMARK 465 ILE A 27 REMARK 465 VAL A 28 REMARK 465 TYR A 29 REMARK 465 ASN A 30 REMARK 465 SER A 31 REMARK 465 GLY A 32 REMARK 465 ASP A 33 REMARK 465 ASP A 34 REMARK 465 CYS A 35 REMARK 465 GLU A 36 REMARK 465 SER A 37 REMARK 465 ILE A 38 REMARK 465 THR A 39 REMARK 465 ILE A 299 REMARK 465 SER A 300 REMARK 465 LYS A 301 REMARK 465 LYS A 302 REMARK 465 THR A 303 REMARK 465 LYS A 304 REMARK 465 GLU A 305 REMARK 465 GLU A 306 REMARK 465 VAL A 307 REMARK 465 GLY A 308 REMARK 465 GLU A 309 REMARK 465 PHE A 310 REMARK 465 ARG A 311 REMARK 465 ALA A 312 REMARK 465 HIS A 313 REMARK 465 ALA A 314 REMARK 465 ALA A 315 REMARK 465 GLU A 316 REMARK 465 TRP A 317 REMARK 465 THR A 318 REMARK 465 ALA A 319 REMARK 465 ASN A 320 REMARK 465 VAL A 321 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 ALA B 3 REMARK 465 PRO B 4 REMARK 465 ASP B 5 REMARK 465 LEU B 6 REMARK 465 LEU B 7 REMARK 465 ASP B 8 REMARK 465 PRO B 9 REMARK 465 LYS B 10 REMARK 465 SER B 11 REMARK 465 ALA B 12 REMARK 465 THR B 13 REMARK 465 HIS B 14 REMARK 465 ASN B 15 REMARK 465 THR B 16 REMARK 465 LYS B 17 REMARK 465 PRO B 18 REMARK 465 ARG B 19 REMARK 465 LEU B 20 REMARK 465 SER B 21 REMARK 465 PHE B 22 REMARK 465 SER B 23 REMARK 465 SER B 24 REMARK 465 LYS B 25 REMARK 465 PRO B 26 REMARK 465 ILE B 27 REMARK 465 VAL B 28 REMARK 465 TYR B 29 REMARK 465 ASN B 30 REMARK 465 SER B 31 REMARK 465 GLY B 32 REMARK 465 ASP B 33 REMARK 465 ASP B 34 REMARK 465 CYS B 35 REMARK 465 GLU B 36 REMARK 465 SER B 37 REMARK 465 ILE B 38 REMARK 465 THR B 39 REMARK 465 VAL B 298 REMARK 465 ILE B 299 REMARK 465 SER B 300 REMARK 465 LYS B 301 REMARK 465 LYS B 302 REMARK 465 THR B 303 REMARK 465 LYS B 304 REMARK 465 GLU B 305 REMARK 465 GLU B 306 REMARK 465 VAL B 307 REMARK 465 GLY B 308 REMARK 465 GLU B 309 REMARK 465 PHE B 310 REMARK 465 ARG B 311 REMARK 465 ALA B 312 REMARK 465 HIS B 313 REMARK 465 ALA B 314 REMARK 465 ALA B 315 REMARK 465 GLU B 316 REMARK 465 TRP B 317 REMARK 465 THR B 318 REMARK 465 ALA B 319 REMARK 465 ASN B 320 REMARK 465 VAL B 321 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 GLN A 122 -6.28 81.88 REMARK 500 MET B 195 13.72 80.04 REMARK 500 ASN B 200 41.26 36.08 REMARK 500 ASP B 268 41.77 73.00 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 402 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 142 O REMARK 620 2 THR A 142 OG1 50.3 REMARK 620 3 THR A 251 O 75.9 108.5 REMARK 620 4 THR A 251 OG1 95.6 85.9 52.9 REMARK 620 5 THR B 142 O 118.2 165.3 73.1 105.7 REMARK 620 6 THR B 142 OG1 168.3 140.7 94.2 82.8 51.8 REMARK 620 7 THR B 251 O 71.0 85.8 120.5 166.6 81.0 110.2 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 403 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 142 O REMARK 620 2 ILE A 143 O 71.0 REMARK 620 3 THR A 251 O 77.3 96.6 REMARK 620 4 ILE A 252 O 123.4 72.7 65.4 REMARK 620 5 THR B 142 O 117.0 163.6 72.7 91.4 REMARK 620 6 ILE B 143 O 167.9 105.7 114.8 64.7 69.4 REMARK 620 7 THR B 251 O 70.5 117.7 119.8 165.8 78.6 102.1 REMARK 620 8 ILE B 252 O 96.6 65.9 162.5 106.3 124.1 71.6 72.2 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 404 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ILE A 143 O REMARK 620 2 GLY A 144 O 68.6 REMARK 620 3 ILE A 252 O 80.8 127.1 REMARK 620 4 GLY A 253 O 96.3 70.1 71.7 REMARK 620 5 ILE B 143 O 120.9 160.1 72.9 122.3 REMARK 620 6 GLY B 144 O 163.3 106.8 90.3 67.3 68.9 REMARK 620 7 ILE B 252 O 72.1 87.5 123.4 157.4 80.0 124.4 REMARK 620 8 GLY B 253 O 123.3 67.4 155.8 100.6 93.8 65.7 71.9 REMARK 620 N 1 2 3 4 5 6 7 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-27388 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE ZEBRAFISH TWO PORE DOMAIN K+ CHANNEL TREK1 REMARK 900 (K2P2.1) IN DDM/POPE MIXED MICELLES DBREF 8DE9 A 1 321 UNP X1WC65 X1WC65_DANRE 1 321 DBREF 8DE9 B 1 321 UNP X1WC65 X1WC65_DANRE 1 321 SEQADV 8DE9 GLN A 95 UNP X1WC65 ASN 95 ENGINEERED MUTATION SEQADV 8DE9 GLN A 122 UNP X1WC65 ASN 122 ENGINEERED MUTATION SEQADV 8DE9 GLN B 95 UNP X1WC65 ASN 95 ENGINEERED MUTATION SEQADV 8DE9 GLN B 122 UNP X1WC65 ASN 122 ENGINEERED MUTATION SEQRES 1 A 321 MET ALA ALA PRO ASP LEU LEU ASP PRO LYS SER ALA THR SEQRES 2 A 321 HIS ASN THR LYS PRO ARG LEU SER PHE SER SER LYS PRO SEQRES 3 A 321 ILE VAL TYR ASN SER GLY ASP ASP CYS GLU SER ILE THR SEQRES 4 A 321 THR VAL MET LYS TRP LYS THR VAL LEU ALA ILE PHE LEU SEQRES 5 A 321 LEU VAL VAL LEU TYR LEU ILE ILE GLY ALA THR VAL PHE SEQRES 6 A 321 LYS ALA LEU GLU GLN PRO GLU GLU GLY LEU GLN LYS TYR SEQRES 7 A 321 ARG ILE ILE GLN GLU LYS ILE ASP PHE LEU SER MET HIS SEQRES 8 A 321 THR CYS VAL GLN THR SER GLU LEU GLU ASP LEU VAL LYS SEQRES 9 A 321 GLN VAL VAL LEU ALA ILE ARG ALA GLY VAL ASN PRO SER SEQRES 10 A 321 GLY HIS PRO SER GLN GLU SER SER MET TRP ASP LEU SER SEQRES 11 A 321 SER SER PHE PHE PHE ALA GLY THR VAL ILE THR THR ILE SEQRES 12 A 321 GLY PHE GLY ASN VAL SER PRO HIS THR GLU GLY GLY ARG SEQRES 13 A 321 ILE PHE CYS ILE ILE TYR ALA LEU LEU GLY ILE PRO LEU SEQRES 14 A 321 PHE GLY PHE LEU LEU ALA GLY VAL GLY ASP GLN LEU GLY SEQRES 15 A 321 THR ILE PHE GLY LYS GLY ILE ALA LYS VAL GLU LYS MET SEQRES 16 A 321 PHE VAL LYS TRP ASN VAL SER GLN THR LYS ILE ARG VAL SEQRES 17 A 321 THR SER THR VAL LEU PHE ILE LEU PHE GLY CYS LEU LEU SEQRES 18 A 321 PHE VAL ALA LEU PRO ALA LEU ILE PHE GLN HIS ILE GLU SEQRES 19 A 321 GLY TRP SER ALA LEU GLU SER ILE TYR PHE VAL VAL ILE SEQRES 20 A 321 THR LEU THR THR ILE GLY PHE GLY ASP PHE VAL ALA GLY SEQRES 21 A 321 GLY SER GLU ILE GLU TYR LEU ASP TYR TYR LYS PRO ILE SEQRES 22 A 321 VAL TRP PHE TRP ILE LEU VAL GLY LEU ALA TYR PHE ALA SEQRES 23 A 321 ALA VAL LEU SER MET ILE GLY ASP TRP LEU ARG VAL ILE SEQRES 24 A 321 SER LYS LYS THR LYS GLU GLU VAL GLY GLU PHE ARG ALA SEQRES 25 A 321 HIS ALA ALA GLU TRP THR ALA ASN VAL SEQRES 1 B 321 MET ALA ALA PRO ASP LEU LEU ASP PRO LYS SER ALA THR SEQRES 2 B 321 HIS ASN THR LYS PRO ARG LEU SER PHE SER SER LYS PRO SEQRES 3 B 321 ILE VAL TYR ASN SER GLY ASP ASP CYS GLU SER ILE THR SEQRES 4 B 321 THR VAL MET LYS TRP LYS THR VAL LEU ALA ILE PHE LEU SEQRES 5 B 321 LEU VAL VAL LEU TYR LEU ILE ILE GLY ALA THR VAL PHE SEQRES 6 B 321 LYS ALA LEU GLU GLN PRO GLU GLU GLY LEU GLN LYS TYR SEQRES 7 B 321 ARG ILE ILE GLN GLU LYS ILE ASP PHE LEU SER MET HIS SEQRES 8 B 321 THR CYS VAL GLN THR SER GLU LEU GLU ASP LEU VAL LYS SEQRES 9 B 321 GLN VAL VAL LEU ALA ILE ARG ALA GLY VAL ASN PRO SER SEQRES 10 B 321 GLY HIS PRO SER GLN GLU SER SER MET TRP ASP LEU SER SEQRES 11 B 321 SER SER PHE PHE PHE ALA GLY THR VAL ILE THR THR ILE SEQRES 12 B 321 GLY PHE GLY ASN VAL SER PRO HIS THR GLU GLY GLY ARG SEQRES 13 B 321 ILE PHE CYS ILE ILE TYR ALA LEU LEU GLY ILE PRO LEU SEQRES 14 B 321 PHE GLY PHE LEU LEU ALA GLY VAL GLY ASP GLN LEU GLY SEQRES 15 B 321 THR ILE PHE GLY LYS GLY ILE ALA LYS VAL GLU LYS MET SEQRES 16 B 321 PHE VAL LYS TRP ASN VAL SER GLN THR LYS ILE ARG VAL SEQRES 17 B 321 THR SER THR VAL LEU PHE ILE LEU PHE GLY CYS LEU LEU SEQRES 18 B 321 PHE VAL ALA LEU PRO ALA LEU ILE PHE GLN HIS ILE GLU SEQRES 19 B 321 GLY TRP SER ALA LEU GLU SER ILE TYR PHE VAL VAL ILE SEQRES 20 B 321 THR LEU THR THR ILE GLY PHE GLY ASP PHE VAL ALA GLY SEQRES 21 B 321 GLY SER GLU ILE GLU TYR LEU ASP TYR TYR LYS PRO ILE SEQRES 22 B 321 VAL TRP PHE TRP ILE LEU VAL GLY LEU ALA TYR PHE ALA SEQRES 23 B 321 ALA VAL LEU SER MET ILE GLY ASP TRP LEU ARG VAL ILE SEQRES 24 B 321 SER LYS LYS THR LYS GLU GLU VAL GLY GLU PHE ARG ALA SEQRES 25 B 321 HIS ALA ALA GLU TRP THR ALA ASN VAL HET PEV A 401 49 HET K A 402 1 HET K A 403 1 HET K A 404 1 HETNAM PEV (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1- HETNAM 2 PEV [(PALMITOYLOXY)METHYL]ETHYL STEARATE HETNAM K POTASSIUM ION HETSYN PEV PHOSPHATIDYLETHANOLAMINE; 1-PALMITOYL-2-OLEOYL-SN- HETSYN 2 PEV GLYCERO-3-PHOSPHOETHANOLAMINE FORMUL 3 PEV C39 H78 N O8 P FORMUL 4 K 3(K 1+) HELIX 1 AA1 LYS A 43 HIS A 91 1 49 HELIX 2 AA2 GLN A 95 GLY A 113 1 19 HELIX 3 AA3 ASP A 128 THR A 142 1 15 HELIX 4 AA4 THR A 152 PHE A 196 1 45 HELIX 5 AA5 SER A 202 GLU A 234 1 33 HELIX 6 AA6 SER A 237 THR A 250 1 14 HELIX 7 AA7 TYR A 269 VAL A 298 1 30 HELIX 8 AA8 LYS B 43 HIS B 91 1 49 HELIX 9 AA9 GLN B 95 GLY B 113 1 19 HELIX 10 AB1 ASP B 128 THR B 142 1 15 HELIX 11 AB2 THR B 152 GLU B 193 1 42 HELIX 12 AB3 THR B 204 VAL B 223 1 20 HELIX 13 AB4 VAL B 223 GLY B 235 1 13 HELIX 14 AB5 SER B 237 THR B 250 1 14 HELIX 15 AB6 TYR B 269 ARG B 297 1 29 SSBOND 1 CYS A 93 CYS B 93 1555 1555 2.03 LINK O THR A 142 K K A 402 1555 1555 2.99 LINK OG1 THR A 142 K K A 402 1555 1555 3.41 LINK O THR A 142 K K A 403 1555 1555 2.94 LINK O ILE A 143 K K A 403 1555 1555 2.93 LINK O ILE A 143 K K A 404 1555 1555 2.73 LINK O GLY A 144 K K A 404 1555 1555 2.76 LINK O THR A 251 K K A 402 1555 1555 3.05 LINK OG1 THR A 251 K K A 402 1555 1555 3.14 LINK O THR A 251 K K A 403 1555 1555 3.00 LINK O ILE A 252 K K A 403 1555 1555 3.09 LINK O ILE A 252 K K A 404 1555 1555 2.78 LINK O GLY A 253 K K A 404 1555 1555 2.74 LINK K K A 402 O THR B 142 1555 1555 2.92 LINK K K A 402 OG1 THR B 142 1555 1555 3.30 LINK K K A 402 O THR B 251 1555 1555 3.11 LINK K K A 403 O THR B 142 1555 1555 3.00 LINK K K A 403 O ILE B 143 1555 1555 3.01 LINK K K A 403 O THR B 251 1555 1555 3.18 LINK K K A 403 O ILE B 252 1555 1555 3.00 LINK K K A 404 O ILE B 143 1555 1555 2.71 LINK K K A 404 O GLY B 144 1555 1555 2.78 LINK K K A 404 O ILE B 252 1555 1555 2.76 LINK K K A 404 O GLY B 253 1555 1555 2.78 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