HEADER MEMBRANE PROTEIN 27-MAY-25 9OTA TITLE STRUCTURE OF HTWIK-2 (K2P6.1) ION CHANNEL IN LIPID NANODISC COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL SUBFAMILY K MEMBER 6; COMPND 3 CHAIN: B, A; COMPND 4 SYNONYM: INWARD RECTIFYING POTASSIUM CHANNEL PROTEIN TWIK-2,TWIK- COMPND 5 ORIGINATED SIMILARITY SEQUENCE; COMPND 6 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: KCNK6, TOSS, TWIK2; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS ION CHANNEL, K2P, TWIK2, TWO PORE CHANNEL, POTASSIUM CHANNEL, KEYWDS 2 MEMBRANE PROTEIN, K2P6.1, LIPID PLUG EXPDTA ELECTRON MICROSCOPY AUTHOR A.MONDAL,D.L.MINOR REVDAT 1 27-MAY-26 9OTA 0 JRNL AUTH A.MONDAL,D.MINOR JRNL TITL STRUCTURE OF HTWIK-2 (K2P6.1) ION CHANNEL IN LIPID NANODISC JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 3.20 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) : 3.200 REMARK 3 NUMBER OF PARTICLES : 164658 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 9OTA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-MAY-25. REMARK 100 THE DEPOSITION ID IS D_1000296267. 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 : HUMAN TWIK2 (K2P6.1) 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 : 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 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1100.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2500.00 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) : 4770.00 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: B, 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 TRP B 161 REMARK 465 GLY B 162 REMARK 465 TRP B 163 REMARK 465 TRP A 161 REMARK 465 GLY A 162 REMARK 465 TRP A 163 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 SER B 83 179.47 64.32 REMARK 500 LEU B 154 35.21 -98.82 REMARK 500 ARG B 166 -63.36 -92.96 REMARK 500 ILE B 215 -62.39 -91.05 REMARK 500 LEU B 270 -71.94 -64.11 REMARK 500 LEU B 271 160.67 178.60 REMARK 500 PRO A 52 41.46 -83.19 REMARK 500 CYS A 53 88.44 -150.12 REMARK 500 SER A 83 -6.29 71.40 REMARK 500 LEU A 265 -95.37 57.63 REMARK 500 GLU A 267 46.66 -81.97 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 B 301 REMARK 610 LBN A 301 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 305 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR B 106 O REMARK 620 2 VAL B 107 O 76.3 REMARK 620 3 THR B 214 O 72.0 103.1 REMARK 620 4 ILE B 215 O 125.1 65.3 80.1 REMARK 620 5 THR A 106 O 107.5 164.7 65.3 101.7 REMARK 620 6 VAL A 107 O 163.4 103.2 123.6 67.5 77.4 REMARK 620 7 THR A 214 O 65.6 123.1 103.2 169.1 70.9 102.5 REMARK 620 8 ILE A 215 O 100.8 67.3 169.5 98.8 125.0 64.6 79.8 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 306 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR B 106 O REMARK 620 2 THR B 106 OG1 55.6 REMARK 620 3 THR B 214 O 71.7 110.8 REMARK 620 4 THR B 214 OG1 97.3 85.7 58.3 REMARK 620 5 THR A 106 O 104.5 158.1 65.2 107.6 REMARK 620 6 THR A 106 OG1 159.2 144.6 90.9 82.5 56.5 REMARK 620 7 THR A 214 O 64.9 91.2 104.7 159.7 70.3 110.6 REMARK 620 8 THR A 214 OG1 106.3 82.1 160.0 140.3 97.0 85.9 58.5 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 304 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL B 107 O REMARK 620 2 GLY B 108 O 66.6 REMARK 620 3 ILE B 215 O 70.9 121.1 REMARK 620 4 GLY B 216 O 91.7 73.4 69.1 REMARK 620 5 VAL A 107 O 112.7 161.3 73.6 124.9 REMARK 620 6 GLY A 108 O 162.2 119.0 93.0 75.0 67.9 REMARK 620 7 ILE A 215 O 73.3 92.1 112.5 162.6 70.5 121.5 REMARK 620 8 GLY A 216 O 124.5 75.7 162.4 115.1 91.2 72.7 69.0 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 303 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY B 108 O REMARK 620 2 TYR B 109 O 69.9 REMARK 620 3 GLY B 216 O 61.6 83.3 REMARK 620 4 LEU B 217 O 121.3 74.6 69.3 REMARK 620 5 GLY A 108 O 93.3 147.2 63.9 92.4 REMARK 620 6 TYR A 109 O 152.0 134.4 125.3 83.4 71.3 REMARK 620 7 GLY A 216 O 64.2 126.3 97.6 155.2 62.8 87.9 REMARK 620 8 LEU A 217 O 92.4 85.7 153.9 129.8 124.1 78.5 70.4 REMARK 620 N 1 2 3 4 5 6 7 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-70828 RELATED DB: EMDB REMARK 900 STRUCTURE OF HTWIK-2 (K2P6.1) ION CHANNEL IN LIPID NANODISC DBREF 9OTA B 4 273 UNP Q9Y257 KCNK6_HUMAN 4 273 DBREF 9OTA A 4 273 UNP Q9Y257 KCNK6_HUMAN 4 273 SEQRES 1 B 270 GLY ALA LEU LEU ALA GLY ALA LEU ALA ALA TYR ALA ALA SEQRES 2 B 270 TYR LEU VAL LEU GLY ALA LEU LEU VAL ALA ARG LEU GLU SEQRES 3 B 270 GLY PRO HIS GLU ALA ARG LEU ARG ALA GLU LEU GLU THR SEQRES 4 B 270 LEU ARG ALA GLN LEU LEU GLN ARG SER PRO CYS VAL ALA SEQRES 5 B 270 ALA PRO ALA LEU ASP ALA PHE VAL GLU ARG VAL LEU ALA SEQRES 6 B 270 ALA GLY ARG LEU GLY ARG VAL VAL LEU ALA ASN ALA SER SEQRES 7 B 270 GLY SER ALA ASN ALA SER ASP PRO ALA TRP ASP PHE ALA SEQRES 8 B 270 SER ALA LEU PHE PHE ALA SER THR LEU ILE THR THR VAL SEQRES 9 B 270 GLY TYR GLY TYR THR THR PRO LEU THR ASP ALA GLY LYS SEQRES 10 B 270 ALA PHE SER ILE ALA PHE ALA LEU LEU GLY VAL PRO THR SEQRES 11 B 270 THR MET LEU LEU LEU THR ALA SER ALA GLN ARG LEU SER SEQRES 12 B 270 LEU LEU LEU THR HIS VAL PRO LEU SER TRP LEU SER MET SEQRES 13 B 270 ARG TRP GLY TRP ASP PRO ARG ARG ALA ALA CYS TRP HIS SEQRES 14 B 270 LEU VAL ALA LEU LEU GLY VAL VAL VAL THR VAL CYS PHE SEQRES 15 B 270 LEU VAL PRO ALA VAL ILE PHE ALA HIS LEU GLU GLU ALA SEQRES 16 B 270 TRP SER PHE LEU ASP ALA PHE TYR PHE CYS PHE ILE SER SEQRES 17 B 270 LEU SER THR ILE GLY LEU GLY ASP TYR VAL PRO GLY GLU SEQRES 18 B 270 ALA PRO GLY GLN PRO TYR ARG ALA LEU TYR LYS VAL LEU SEQRES 19 B 270 VAL THR VAL TYR LEU PHE LEU GLY LEU VAL ALA MET VAL SEQRES 20 B 270 LEU VAL LEU GLN THR PHE ARG HIS VAL SER ASP LEU HIS SEQRES 21 B 270 GLY LEU THR GLU LEU ILE LEU LEU PRO PRO SEQRES 1 A 270 GLY ALA LEU LEU ALA GLY ALA LEU ALA ALA TYR ALA ALA SEQRES 2 A 270 TYR LEU VAL LEU GLY ALA LEU LEU VAL ALA ARG LEU GLU SEQRES 3 A 270 GLY PRO HIS GLU ALA ARG LEU ARG ALA GLU LEU GLU THR SEQRES 4 A 270 LEU ARG ALA GLN LEU LEU GLN ARG SER PRO CYS VAL ALA SEQRES 5 A 270 ALA PRO ALA LEU ASP ALA PHE VAL GLU ARG VAL LEU ALA SEQRES 6 A 270 ALA GLY ARG LEU GLY ARG VAL VAL LEU ALA ASN ALA SER SEQRES 7 A 270 GLY SER ALA ASN ALA SER ASP PRO ALA TRP ASP PHE ALA SEQRES 8 A 270 SER ALA LEU PHE PHE ALA SER THR LEU ILE THR THR VAL SEQRES 9 A 270 GLY TYR GLY TYR THR THR PRO LEU THR ASP ALA GLY LYS SEQRES 10 A 270 ALA PHE SER ILE ALA PHE ALA LEU LEU GLY VAL PRO THR SEQRES 11 A 270 THR MET LEU LEU LEU THR ALA SER ALA GLN ARG LEU SER SEQRES 12 A 270 LEU LEU LEU THR HIS VAL PRO LEU SER TRP LEU SER MET SEQRES 13 A 270 ARG TRP GLY TRP ASP PRO ARG ARG ALA ALA CYS TRP HIS SEQRES 14 A 270 LEU VAL ALA LEU LEU GLY VAL VAL VAL THR VAL CYS PHE SEQRES 15 A 270 LEU VAL PRO ALA VAL ILE PHE ALA HIS LEU GLU GLU ALA SEQRES 16 A 270 TRP SER PHE LEU ASP ALA PHE TYR PHE CYS PHE ILE SER SEQRES 17 A 270 LEU SER THR ILE GLY LEU GLY ASP TYR VAL PRO GLY GLU SEQRES 18 A 270 ALA PRO GLY GLN PRO TYR ARG ALA LEU TYR LYS VAL LEU SEQRES 19 A 270 VAL THR VAL TYR LEU PHE LEU GLY LEU VAL ALA MET VAL SEQRES 20 A 270 LEU VAL LEU GLN THR PHE ARG HIS VAL SER ASP LEU HIS SEQRES 21 A 270 GLY LEU THR GLU LEU ILE LEU LEU PRO PRO HET LBN B 301 41 HET LBN B 302 52 HET LBN A 301 41 HET LBN A 302 52 HET K A 303 1 HET K A 304 1 HET K A 305 1 HET K A 306 1 HETNAM LBN 1-PALMITOYL-2-OLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE HETNAM K POTASSIUM ION HETSYN LBN (2R)-2-[(9Z)-9-OCTADECENOYLOXY]-3-(PALMITOYLOXY)PROPYL HETSYN 2 LBN 2-(TRIMETHYLAMMONIO)ETHYL PHOSPHATE FORMUL 3 LBN 4(C42 H82 N O8 P) FORMUL 7 K 4(K 1+) HELIX 1 AA1 LEU B 6 SER B 51 1 46 HELIX 2 AA2 ALA B 55 GLY B 70 1 16 HELIX 3 AA3 LEU B 72 ALA B 80 1 9 HELIX 4 AA4 ASP B 92 THR B 105 1 14 HELIX 5 AA5 THR B 116 THR B 150 1 35 HELIX 6 AA6 ARG B 166 PHE B 185 1 20 HELIX 7 AA7 PHE B 185 GLU B 196 1 12 HELIX 8 AA8 SER B 200 SER B 213 1 14 HELIX 9 AA9 TYR B 230 GLY B 264 1 35 HELIX 10 AB1 GLY B 264 LEU B 270 1 7 HELIX 11 AB2 LEU A 6 SER A 51 1 46 HELIX 12 AB3 ALA A 55 GLY A 70 1 16 HELIX 13 AB4 GLY A 70 ALA A 80 1 11 HELIX 14 AB5 ASP A 92 THR A 105 1 14 HELIX 15 AB6 THR A 116 THR A 150 1 35 HELIX 16 AB7 PRO A 165 PHE A 185 1 21 HELIX 17 AB8 PHE A 185 GLU A 196 1 12 HELIX 18 AB9 SER A 200 SER A 213 1 14 HELIX 19 AC1 TYR A 230 HIS A 263 1 34 HELIX 20 AC2 LEU A 265 LEU A 270 1 6 SSBOND 1 CYS B 53 CYS A 53 1555 1555 2.03 LINK O THR B 106 K K A 305 1555 1555 2.80 LINK O THR B 106 K K A 306 1555 1555 2.86 LINK OG1 THR B 106 K K A 306 1555 1555 3.41 LINK O VAL B 107 K K A 304 1555 1555 2.78 LINK O VAL B 107 K K A 305 1555 1555 2.95 LINK O GLY B 108 K K A 303 1555 1555 3.22 LINK O GLY B 108 K K A 304 1555 1555 2.68 LINK O TYR B 109 K K A 303 1555 1555 2.68 LINK O THR B 214 K K A 305 1555 1555 2.77 LINK O THR B 214 K K A 306 1555 1555 2.73 LINK OG1 THR B 214 K K A 306 1555 1555 3.27 LINK O ILE B 215 K K A 304 1555 1555 2.65 LINK O ILE B 215 K K A 305 1555 1555 2.90 LINK O GLY B 216 K K A 303 1555 1555 3.14 LINK O GLY B 216 K K A 304 1555 1555 2.77 LINK O LEU B 217 K K A 303 1555 1555 3.20 LINK O THR A 106 K K A 305 1555 1555 2.77 LINK O THR A 106 K K A 306 1555 1555 2.82 LINK OG1 THR A 106 K K A 306 1555 1555 3.35 LINK O VAL A 107 K K A 304 1555 1555 2.75 LINK O VAL A 107 K K A 305 1555 1555 2.93 LINK O GLY A 108 K K A 303 1555 1555 3.14 LINK O GLY A 108 K K A 304 1555 1555 2.69 LINK O TYR A 109 K K A 303 1555 1555 2.72 LINK O THR A 214 K K A 305 1555 1555 2.75 LINK O THR A 214 K K A 306 1555 1555 2.74 LINK OG1 THR A 214 K K A 306 1555 1555 3.24 LINK O ILE A 215 K K A 304 1555 1555 2.65 LINK O ILE A 215 K K A 305 1555 1555 2.91 LINK O GLY A 216 K K A 303 1555 1555 3.09 LINK O GLY A 216 K K A 304 1555 1555 2.79 LINK O LEU A 217 K K A 303 1555 1555 3.22 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 370 2404 CONECT 745 4257 4258 CONECT 747 4258 CONECT 752 4256 4257 CONECT 759 4255 4256 CONECT 763 4255 CONECT 1572 4257 4258 CONECT 1574 4258 CONECT 1579 4256 4257 CONECT 1587 4255 4256 CONECT 1591 4255 CONECT 2404 370 CONECT 2779 4257 4258 CONECT 2781 4258 CONECT 2786 4256 4257 CONECT 2793 4255 4256 CONECT 2797 4255 CONECT 3606 4257 4258 CONECT 3608 4258 CONECT 3613 4256 4257 CONECT 3621 4255 4256 CONECT 3625 4255 CONECT 4069 4070 CONECT 4070 4069 4071 4100 CONECT 4071 4070 4089 CONECT 4072 4074 4098 CONECT 4073 4075 4109 CONECT 4074 4072 4076 CONECT 4075 4073 4077 CONECT 4076 4074 4078 CONECT 4077 4075 4079 CONECT 4078 4076 4080 CONECT 4079 4077 4081 CONECT 4080 4078 4082 CONECT 4081 4079 4083 CONECT 4082 4080 4084 CONECT 4083 4081 4085 CONECT 4084 4082 CONECT 4085 4083 4086 CONECT 4086 4085 4087 CONECT 4087 4086 CONECT 4088 4089 4090 4091 CONECT 4089 4071 4088 CONECT 4090 4088 4092 CONECT 4091 4088 CONECT 4092 4090 4093 CONECT 4093 4092 4094 CONECT 4094 4093 4095 CONECT 4095 4094 4096 CONECT 4096 4095 4097 CONECT 4097 4096 4098 CONECT 4098 4072 4097 CONECT 4099 4100 4101 4102 CONECT 4100 4070 4099 CONECT 4101 4099 4103 CONECT 4102 4099 CONECT 4103 4101 4104 CONECT 4104 4103 4105 CONECT 4105 4104 4106 CONECT 4106 4105 4107 CONECT 4107 4106 4108 CONECT 4108 4107 4109 CONECT 4109 4073 4108 CONECT 4110 4113 4118 CONECT 4111 4117 4125 4129 4133 CONECT 4112 4118 4122 4126 4130 CONECT 4113 4110 4114 4152 CONECT 4114 4113 4141 CONECT 4115 4119 4150 CONECT 4116 4120 4161 CONECT 4117 4111 4121 CONECT 4118 4110 4112 CONECT 4119 4115 4123 CONECT 4120 4116 4124 CONECT 4121 4117 4122 CONECT 4122 4112 4121 CONECT 4123 4119 4127 CONECT 4124 4120 4128 CONECT 4125 4111 CONECT 4126 4112 CONECT 4127 4123 4131 CONECT 4128 4124 4132 CONECT 4129 4111 CONECT 4130 4112 CONECT 4131 4127 4134 CONECT 4132 4128 4135 CONECT 4133 4111 CONECT 4134 4131 4136 CONECT 4135 4132 4137 CONECT 4136 4134 CONECT 4137 4135 4138 CONECT 4138 4137 4139 CONECT 4139 4138 CONECT 4140 4141 4142 4143 CONECT 4141 4114 4140 CONECT 4142 4140 4144 CONECT 4143 4140 CONECT 4144 4142 4145 CONECT 4145 4144 4146 CONECT 4146 4145 4147 CONECT 4147 4146 4148 CONECT 4148 4147 4149 CONECT 4149 4148 4150 CONECT 4150 4115 4149 CONECT 4151 4152 4153 4154 CONECT 4152 4113 4151 CONECT 4153 4151 4155 CONECT 4154 4151 CONECT 4155 4153 4156 CONECT 4156 4155 4157 CONECT 4157 4156 4158 CONECT 4158 4157 4159 CONECT 4159 4158 4160 CONECT 4160 4159 4161 CONECT 4161 4116 4160 CONECT 4162 4163 CONECT 4163 4162 4164 4193 CONECT 4164 4163 4182 CONECT 4165 4167 4191 CONECT 4166 4168 4202 CONECT 4167 4165 4169 CONECT 4168 4166 4170 CONECT 4169 4167 4171 CONECT 4170 4168 4172 CONECT 4171 4169 4173 CONECT 4172 4170 4174 CONECT 4173 4171 4175 CONECT 4174 4172 4176 CONECT 4175 4173 4177 CONECT 4176 4174 4178 CONECT 4177 4175 CONECT 4178 4176 4179 CONECT 4179 4178 4180 CONECT 4180 4179 CONECT 4181 4182 4183 4184 CONECT 4182 4164 4181 CONECT 4183 4181 4185 CONECT 4184 4181 CONECT 4185 4183 4186 CONECT 4186 4185 4187 CONECT 4187 4186 4188 CONECT 4188 4187 4189 CONECT 4189 4188 4190 CONECT 4190 4189 4191 CONECT 4191 4165 4190 CONECT 4192 4193 4194 4195 CONECT 4193 4163 4192 CONECT 4194 4192 4196 CONECT 4195 4192 CONECT 4196 4194 4197 CONECT 4197 4196 4198 CONECT 4198 4197 4199 CONECT 4199 4198 4200 CONECT 4200 4199 4201 CONECT 4201 4200 4202 CONECT 4202 4166 4201 CONECT 4203 4206 4211 CONECT 4204 4210 4218 4222 4226 CONECT 4205 4211 4215 4219 4223 CONECT 4206 4203 4207 4245 CONECT 4207 4206 4234 CONECT 4208 4212 4243 CONECT 4209 4213 4254 CONECT 4210 4204 4214 CONECT 4211 4203 4205 CONECT 4212 4208 4216 CONECT 4213 4209 4217 CONECT 4214 4210 4215 CONECT 4215 4205 4214 CONECT 4216 4212 4220 CONECT 4217 4213 4221 CONECT 4218 4204 CONECT 4219 4205 CONECT 4220 4216 4224 CONECT 4221 4217 4225 CONECT 4222 4204 CONECT 4223 4205 CONECT 4224 4220 4227 CONECT 4225 4221 4228 CONECT 4226 4204 CONECT 4227 4224 4229 CONECT 4228 4225 4230 CONECT 4229 4227 CONECT 4230 4228 4231 CONECT 4231 4230 4232 CONECT 4232 4231 CONECT 4233 4234 4235 4236 CONECT 4234 4207 4233 CONECT 4235 4233 4237 CONECT 4236 4233 CONECT 4237 4235 4238 CONECT 4238 4237 4239 CONECT 4239 4238 4240 CONECT 4240 4239 4241 CONECT 4241 4240 4242 CONECT 4242 4241 4243 CONECT 4243 4208 4242 CONECT 4244 4245 4246 4247 CONECT 4245 4206 4244 CONECT 4246 4244 4248 CONECT 4247 4244 CONECT 4248 4246 4249 CONECT 4249 4248 4250 CONECT 4250 4249 4251 CONECT 4251 4250 4252 CONECT 4252 4251 4253 CONECT 4253 4252 4254 CONECT 4254 4209 4253 CONECT 4255 759 763 1587 1591 CONECT 4255 2793 2797 3621 3625 CONECT 4256 752 759 1579 1587 CONECT 4256 2786 2793 3613 3621 CONECT 4257 745 752 1572 1579 CONECT 4257 2779 2786 3606 3613 CONECT 4258 745 747 1572 1574 CONECT 4258 2779 2781 3606 3608 MASTER 202 0 8 20 0 0 0 6 4224 2 216 42 END