HEADER MEMBRANE PROTEIN 09-OCT-24 9DWN TITLE HTHIK1 CRYO-EM STRUCTURE IN GDN DETERGENT COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL SUBFAMILY K MEMBER 13; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: TANDEM PORE DOMAIN HALOTHANE-INHIBITED POTASSIUM CHANNEL 1, COMPND 5 THIK-1; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: C-TERMINAL TRUNCATION AFTER RESIDUE S309 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: KCNK13; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_COMMON: HUMAN; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 9 EXPRESSION_SYSTEM_CELL_LINE: HEK293S GNTI-; SOURCE 10 EXPRESSION_SYSTEM_ATCC_NUMBER: CRL-3022 KEYWDS KCNK13 (THIK1) K2P ION CHANNEL DIMER, CHS/GDN DETERGENT, HEK293GNTI-, KEYWDS 2 MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR E.B.RIEL,P.M.RIEGELHAUPT REVDAT 2 28-MAY-25 9DWN 1 REMARK REVDAT 1 16-APR-25 9DWN 0 JRNL AUTH E.B.RIEL,W.BU,T.T.JOSEPH,L.KHAJOUEINEJAD,R.G.ECKENHOFF, JRNL AUTH 2 P.M.RIEGELHAUPT JRNL TITL THE CRYO-EM STRUCTURE AND PHYSICAL BASIS FOR ANESTHETIC JRNL TITL 2 INHIBITION OF THE THIK1 K2P CHANNEL. JRNL REF PROC.NATL.ACAD.SCI.USA V. 122 54122 2025 JRNL REFN ESSN 1091-6490 JRNL PMID 40178898 JRNL DOI 10.1073/PNAS.2421654122 REMARK 2 REMARK 2 RESOLUTION. 3.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOLO, LEGINON, RELION, CTFFIND, REMARK 3 PHENIX, RELION, RELION 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 : 168294 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 9DWN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-OCT-24. REMARK 100 THE DEPOSITION ID IS D_1000288602. 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 : THIK1 ION CHANNEL DIMER REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 2.40 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 : C-TERMINALLY TRUNCATED THIK1 REMARK 245 ION CHANNEL DIMER REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 14246 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) : 500.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2600.00 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) : 4854.00 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 GLY A 3 REMARK 465 ARG A 4 REMARK 465 GLY A 5 REMARK 465 PHE A 6 REMARK 465 SER A 7 REMARK 465 TRP A 8 REMARK 465 GLY A 9 REMARK 465 PRO A 10 REMARK 465 GLY A 11 REMARK 465 HIS A 12 REMARK 465 LEU A 13 REMARK 465 LEU A 171 REMARK 465 PRO A 172 REMARK 465 GLN A 173 REMARK 465 GLU A 174 REMARK 465 SER A 175 REMARK 465 LEU A 176 REMARK 465 LYS A 177 REMARK 465 ASP A 178 REMARK 465 ALA A 179 REMARK 465 GLY A 180 REMARK 465 GLN A 181 REMARK 465 CYS A 182 REMARK 465 GLU A 183 REMARK 465 VAL A 184 REMARK 465 CYS A 298 REMARK 465 CYS A 299 REMARK 465 PRO A 300 REMARK 465 GLN A 301 REMARK 465 CYS A 302 REMARK 465 GLN A 303 REMARK 465 ARG A 304 REMARK 465 GLY A 305 REMARK 465 LEU A 306 REMARK 465 LEU A 307 REMARK 465 ARG A 308 REMARK 465 SER A 309 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 GLY B 3 REMARK 465 ARG B 4 REMARK 465 GLY B 5 REMARK 465 PHE B 6 REMARK 465 SER B 7 REMARK 465 TRP B 8 REMARK 465 GLY B 9 REMARK 465 PRO B 10 REMARK 465 GLY B 11 REMARK 465 HIS B 12 REMARK 465 LEU B 171 REMARK 465 PRO B 172 REMARK 465 GLN B 173 REMARK 465 GLU B 174 REMARK 465 SER B 175 REMARK 465 LEU B 176 REMARK 465 LYS B 177 REMARK 465 ASP B 178 REMARK 465 ALA B 179 REMARK 465 GLY B 180 REMARK 465 GLN B 181 REMARK 465 CYS B 182 REMARK 465 GLU B 183 REMARK 465 VAL B 184 REMARK 465 ASP B 185 REMARK 465 CYS B 298 REMARK 465 CYS B 299 REMARK 465 PRO B 300 REMARK 465 GLN B 301 REMARK 465 CYS B 302 REMARK 465 GLN B 303 REMARK 465 ARG B 304 REMARK 465 GLY B 305 REMARK 465 LEU B 306 REMARK 465 LEU B 307 REMARK 465 ARG B 308 REMARK 465 SER B 309 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A 163 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 166 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 167 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 168 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 158 CG CD CE NZ REMARK 470 ARG B 163 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 166 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 167 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 168 CG CD NE CZ NH1 NH2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 CD1 ILE A 139 O HOH A 501 2.17 REMARK 500 REMARK 500 REMARK: NULL 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 TRP A 95 16.76 57.31 REMARK 500 LEU A 187 -137.20 58.08 REMARK 500 SER A 246 40.19 -105.30 REMARK 500 LEU B 187 -133.81 47.45 REMARK 500 ALA B 188 22.15 48.89 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 404 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 110 O REMARK 620 2 ILE A 111 O 77.5 REMARK 620 3 THR A 237 O 60.0 97.9 REMARK 620 4 ILE A 238 O 126.0 78.6 76.5 REMARK 620 5 THR B 110 O 90.4 155.0 57.2 91.6 REMARK 620 6 ILE B 111 O 159.5 122.6 115.4 66.9 72.3 REMARK 620 7 THR B 237 O 65.0 131.3 89.5 149.0 58.0 95.9 REMARK 620 8 ILE B 238 O 100.1 74.7 160.0 119.0 129.5 83.6 82.1 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 403 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 110 O REMARK 620 2 THR A 110 OG1 58.5 REMARK 620 3 THR A 237 O 69.1 111.2 REMARK 620 4 THR A 237 OG1 94.2 81.3 60.6 REMARK 620 5 THR B 110 O 107.9 163.7 67.7 110.3 REMARK 620 6 THR B 110 OG1 167.3 131.9 98.5 81.8 62.9 REMARK 620 7 THR B 237 O 71.7 99.7 103.0 162.1 65.7 109.6 REMARK 620 8 THR B 237 OG1 111.5 84.0 159.9 137.3 94.0 79.0 60.2 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 403 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ILE A 111 O REMARK 620 2 GLY A 112 O 65.0 REMARK 620 3 ILE A 238 O 69.3 130.6 REMARK 620 4 GLY A 239 O 84.1 87.7 69.8 REMARK 620 5 ILE B 111 O 94.8 140.6 59.2 125.3 REMARK 620 6 GLY B 112 O 144.3 148.2 75.1 85.2 64.7 REMARK 620 7 ILE B 238 O 60.9 73.1 100.2 144.6 67.5 126.2 REMARK 620 8 GLY B 239 O 126.9 82.3 143.0 137.3 84.8 82.1 70.4 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 404 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 112 O REMARK 620 2 PHE A 113 O 73.6 REMARK 620 3 GLY A 239 O 64.3 84.2 REMARK 620 4 PHE A 240 O 123.4 68.7 71.3 REMARK 620 5 GLY B 112 O 96.4 147.2 63.7 93.5 REMARK 620 6 PHE B 113 O 154.8 126.5 126.7 81.0 73.9 REMARK 620 7 GLY B 239 O 62.8 130.5 96.5 157.4 63.9 92.3 REMARK 620 8 PHE B 240 O 94.3 83.4 157.6 120.7 129.0 75.5 77.6 REMARK 620 N 1 2 3 4 5 6 7 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-47258 RELATED DB: EMDB REMARK 900 HTHIK1 CRYO-EM STRUCTURE IN GDN DETERGENT DBREF 9DWN A 1 309 UNP Q9HB14 KCNKD_HUMAN 1 309 DBREF 9DWN B 1 309 UNP Q9HB14 KCNKD_HUMAN 1 309 SEQRES 1 A 309 MET ALA GLY ARG GLY PHE SER TRP GLY PRO GLY HIS LEU SEQRES 2 A 309 ASN GLU ASP ASN ALA ARG PHE LEU LEU LEU ALA ALA LEU SEQRES 3 A 309 ILE VAL LEU TYR LEU LEU GLY GLY ALA ALA VAL PHE SER SEQRES 4 A 309 ALA LEU GLU LEU ALA HIS GLU ARG GLN ALA LYS GLN ARG SEQRES 5 A 309 TRP GLU GLU ARG LEU ALA ASN PHE SER ARG GLY HIS ASN SEQRES 6 A 309 LEU SER ARG ASP GLU LEU ARG GLY PHE LEU ARG HIS TYR SEQRES 7 A 309 GLU GLU ALA THR ARG ALA GLY ILE ARG VAL ASP ASN VAL SEQRES 8 A 309 ARG PRO ARG TRP ASP PHE THR GLY ALA PHE TYR PHE VAL SEQRES 9 A 309 GLY THR VAL VAL SER THR ILE GLY PHE GLY MET THR THR SEQRES 10 A 309 PRO ALA THR VAL GLY GLY LYS ILE PHE LEU ILE PHE TYR SEQRES 11 A 309 GLY LEU VAL GLY CYS SER SER THR ILE LEU PHE PHE ASN SEQRES 12 A 309 LEU PHE LEU GLU ARG LEU ILE THR ILE ILE ALA TYR ILE SEQRES 13 A 309 MET LYS SER CYS HIS GLN ARG GLN LEU ARG ARG ARG GLY SEQRES 14 A 309 ALA LEU PRO GLN GLU SER LEU LYS ASP ALA GLY GLN CYS SEQRES 15 A 309 GLU VAL ASP SER LEU ALA GLY TRP LYS PRO SER VAL TYR SEQRES 16 A 309 TYR VAL MET LEU ILE LEU CYS THR ALA SER ILE LEU ILE SEQRES 17 A 309 SER CYS CYS ALA SER ALA MET TYR THR PRO ILE GLU GLY SEQRES 18 A 309 TRP SER TYR PHE ASP SER LEU TYR PHE CYS PHE VAL ALA SEQRES 19 A 309 PHE SER THR ILE GLY PHE GLY ASP LEU VAL SER SER GLN SEQRES 20 A 309 ASN ALA HIS TYR GLU SER GLN GLY LEU TYR ARG PHE ALA SEQRES 21 A 309 ASN PHE VAL PHE ILE LEU MET GLY VAL CYS CYS ILE TYR SEQRES 22 A 309 SER LEU PHE ASN VAL ILE SER ILE LEU ILE LYS GLN SER SEQRES 23 A 309 LEU ASN TRP ILE LEU ARG LYS MET ASP SER GLY CYS CYS SEQRES 24 A 309 PRO GLN CYS GLN ARG GLY LEU LEU ARG SER SEQRES 1 B 309 MET ALA GLY ARG GLY PHE SER TRP GLY PRO GLY HIS LEU SEQRES 2 B 309 ASN GLU ASP ASN ALA ARG PHE LEU LEU LEU ALA ALA LEU SEQRES 3 B 309 ILE VAL LEU TYR LEU LEU GLY GLY ALA ALA VAL PHE SER SEQRES 4 B 309 ALA LEU GLU LEU ALA HIS GLU ARG GLN ALA LYS GLN ARG SEQRES 5 B 309 TRP GLU GLU ARG LEU ALA ASN PHE SER ARG GLY HIS ASN SEQRES 6 B 309 LEU SER ARG ASP GLU LEU ARG GLY PHE LEU ARG HIS TYR SEQRES 7 B 309 GLU GLU ALA THR ARG ALA GLY ILE ARG VAL ASP ASN VAL SEQRES 8 B 309 ARG PRO ARG TRP ASP PHE THR GLY ALA PHE TYR PHE VAL SEQRES 9 B 309 GLY THR VAL VAL SER THR ILE GLY PHE GLY MET THR THR SEQRES 10 B 309 PRO ALA THR VAL GLY GLY LYS ILE PHE LEU ILE PHE TYR SEQRES 11 B 309 GLY LEU VAL GLY CYS SER SER THR ILE LEU PHE PHE ASN SEQRES 12 B 309 LEU PHE LEU GLU ARG LEU ILE THR ILE ILE ALA TYR ILE SEQRES 13 B 309 MET LYS SER CYS HIS GLN ARG GLN LEU ARG ARG ARG GLY SEQRES 14 B 309 ALA LEU PRO GLN GLU SER LEU LYS ASP ALA GLY GLN CYS SEQRES 15 B 309 GLU VAL ASP SER LEU ALA GLY TRP LYS PRO SER VAL TYR SEQRES 16 B 309 TYR VAL MET LEU ILE LEU CYS THR ALA SER ILE LEU ILE SEQRES 17 B 309 SER CYS CYS ALA SER ALA MET TYR THR PRO ILE GLU GLY SEQRES 18 B 309 TRP SER TYR PHE ASP SER LEU TYR PHE CYS PHE VAL ALA SEQRES 19 B 309 PHE SER THR ILE GLY PHE GLY ASP LEU VAL SER SER GLN SEQRES 20 B 309 ASN ALA HIS TYR GLU SER GLN GLY LEU TYR ARG PHE ALA SEQRES 21 B 309 ASN PHE VAL PHE ILE LEU MET GLY VAL CYS CYS ILE TYR SEQRES 22 B 309 SER LEU PHE ASN VAL ILE SER ILE LEU ILE LYS GLN SER SEQRES 23 B 309 LEU ASN TRP ILE LEU ARG LYS MET ASP SER GLY CYS CYS SEQRES 24 B 309 PRO GLN CYS GLN ARG GLY LEU LEU ARG SER HET NAG A 401 14 HET NAG A 402 14 HET K A 403 1 HET K A 404 1 HET NAG B 401 14 HET NAG B 402 14 HET K B 403 1 HET K B 404 1 HET K B 405 1 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM K POTASSIUM ION HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE FORMUL 3 NAG 4(C8 H15 N O6) FORMUL 5 K 5(K 1+) FORMUL 12 HOH *2(H2 O) HELIX 1 AA1 ASN A 14 ASN A 65 1 52 HELIX 2 AA2 SER A 67 ARG A 83 1 17 HELIX 3 AA3 ASP A 96 SER A 109 1 14 HELIX 4 AA4 THR A 120 ALA A 170 1 51 HELIX 5 AA5 SER A 193 GLY A 221 1 29 HELIX 6 AA6 SER A 223 SER A 236 1 14 HELIX 7 AA7 SER A 253 GLY A 297 1 45 HELIX 8 AA8 ASN B 14 ASN B 65 1 52 HELIX 9 AA9 SER B 67 GLY B 85 1 19 HELIX 10 AB1 ASP B 96 SER B 109 1 14 HELIX 11 AB2 THR B 120 ALA B 170 1 51 HELIX 12 AB3 SER B 193 GLY B 221 1 29 HELIX 13 AB4 SER B 223 SER B 236 1 14 HELIX 14 AB5 SER B 253 GLY B 297 1 45 LINK ND2 ASN A 59 C1 NAG A 401 1555 1555 1.45 LINK ND2 ASN A 65 C1 NAG A 402 1555 1555 1.44 LINK ND2 ASN B 59 C1 NAG B 401 1555 1555 1.44 LINK ND2 ASN B 65 C1 NAG B 402 1555 1555 1.46 LINK O THR A 110 K K A 404 1555 1555 3.06 LINK O THR A 110 K K B 403 1555 1555 2.75 LINK OG1 THR A 110 K K B 403 1555 1555 3.24 LINK O ILE A 111 K K A 403 1555 1555 3.20 LINK O ILE A 111 K K A 404 1555 1555 2.69 LINK O GLY A 112 K K A 403 1555 1555 2.41 LINK O GLY A 112 K K B 404 1555 1555 3.15 LINK O PHE A 113 K K B 404 1555 1555 2.95 LINK O THR A 237 K K A 404 1555 1555 3.06 LINK O THR A 237 K K B 403 1555 1555 2.65 LINK OG1 THR A 237 K K B 403 1555 1555 2.97 LINK O ILE A 238 K K A 403 1555 1555 3.14 LINK O ILE A 238 K K A 404 1555 1555 2.99 LINK O GLY A 239 K K A 403 1555 1555 2.30 LINK O GLY A 239 K K B 404 1555 1555 2.97 LINK O PHE A 240 K K B 404 1555 1555 2.99 LINK K K A 403 O ILE B 111 1555 1555 3.22 LINK K K A 403 O GLY B 112 1555 1555 2.43 LINK K K A 403 O ILE B 238 1555 1555 3.18 LINK K K A 403 O GLY B 239 1555 1555 2.29 LINK K K A 404 O THR B 110 1555 1555 3.12 LINK K K A 404 O ILE B 111 1555 1555 2.70 LINK K K A 404 O THR B 237 1555 1555 2.89 LINK K K A 404 O ILE B 238 1555 1555 2.64 LINK O THR B 110 K K B 403 1555 1555 2.67 LINK OG1 THR B 110 K K B 403 1555 1555 3.19 LINK O GLY B 112 K K B 404 1555 1555 3.09 LINK O PHE B 113 K K B 404 1555 1555 2.74 LINK O THR B 237 K K B 403 1555 1555 2.71 LINK OG1 THR B 237 K K B 403 1555 1555 3.02 LINK O GLY B 239 K K B 404 1555 1555 2.75 LINK O PHE B 240 K K B 404 1555 1555 2.76 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 2134 GLY A 297 TER 4264 GLY B 297 HETATM 4265 C1 NAG A 401 93.592 83.825 137.753 1.00 86.43 C HETATM 4266 C2 NAG A 401 94.609 82.768 137.318 1.00 86.43 C HETATM 4267 C3 NAG A 401 94.139 81.386 137.734 1.00 86.43 C HETATM 4268 C4 NAG A 401 94.094 81.308 139.250 1.00 86.43 C HETATM 4269 C5 NAG A 401 93.174 82.391 139.808 1.00 86.43 C HETATM 4270 C6 NAG A 401 93.842 83.277 140.835 1.00 86.43 C HETATM 4271 C7 NAG A 401 95.857 83.486 135.330 1.00 86.43 C HETATM 4272 C8 NAG A 401 95.944 83.429 133.835 1.00 86.43 C HETATM 4273 N2 NAG A 401 94.838 82.819 135.883 1.00 86.43 N HETATM 4274 O3 NAG A 401 95.033 80.406 137.221 1.00 86.43 O HETATM 4275 O4 NAG A 401 93.616 80.031 139.658 1.00 86.43 O HETATM 4276 O5 NAG A 401 92.658 83.248 138.769 1.00 86.43 O HETATM 4277 O6 NAG A 401 94.870 82.583 141.529 1.00 86.43 O HETATM 4278 O7 NAG A 401 96.670 84.108 136.007 1.00 86.43 O HETATM 4279 C1 NAG A 402 92.214 98.765 149.357 1.00107.15 C HETATM 4280 C2 NAG A 402 92.027 98.442 150.840 1.00107.15 C HETATM 4281 C3 NAG A 402 90.964 99.354 151.448 1.00107.15 C HETATM 4282 C4 NAG A 402 91.303 100.815 151.186 1.00107.15 C HETATM 4283 C5 NAG A 402 91.521 101.047 149.693 1.00107.15 C HETATM 4284 C6 NAG A 402 91.983 102.450 149.374 1.00107.15 C HETATM 4285 C7 NAG A 402 92.482 96.144 151.599 1.00107.15 C HETATM 4286 C8 NAG A 402 93.820 96.650 152.051 1.00107.15 C HETATM 4287 N2 NAG A 402 91.671 97.045 151.030 1.00107.15 N HETATM 4288 O3 NAG A 402 90.879 99.116 152.849 1.00107.15 O HETATM 4289 O4 NAG A 402 90.245 101.651 151.641 1.00107.15 O HETATM 4290 O5 NAG A 402 92.535 100.157 149.203 1.00107.15 O HETATM 4291 O6 NAG A 402 93.101 102.822 150.168 1.00107.15 O HETATM 4292 O7 NAG A 402 92.148 94.972 151.743 1.00107.15 O HETATM 4293 K K A 403 98.116 98.137 107.689 1.00 21.98 K HETATM 4294 K K A 404 98.143 98.317 104.240 1.00 11.34 K HETATM 4295 C1 NAG B 401 102.950 112.466 137.741 1.00 87.14 C HETATM 4296 C2 NAG B 401 102.206 113.388 138.709 1.00 87.14 C HETATM 4297 C3 NAG B 401 102.685 114.828 138.543 1.00 87.14 C HETATM 4298 C4 NAG B 401 104.201 114.905 138.676 1.00 87.14 C HETATM 4299 C5 NAG B 401 104.865 113.930 137.707 1.00 87.14 C HETATM 4300 C6 NAG B 401 106.366 113.869 137.866 1.00 87.14 C HETATM 4301 C7 NAG B 401 99.924 112.846 139.438 1.00 87.14 C HETATM 4302 C8 NAG B 401 98.474 112.828 139.057 1.00 87.14 C HETATM 4303 N2 NAG B 401 100.769 113.302 138.507 1.00 87.14 N HETATM 4304 O3 NAG B 401 102.068 115.648 139.528 1.00 87.14 O HETATM 4305 O4 NAG B 401 104.647 116.226 138.392 1.00 87.14 O HETATM 4306 O5 NAG B 401 104.370 112.602 137.936 1.00 87.14 O HETATM 4307 O6 NAG B 401 106.748 113.992 139.229 1.00 87.14 O HETATM 4308 O7 NAG B 401 100.313 112.466 140.538 1.00 87.14 O HETATM 4309 C1 NAG B 402 104.323 97.762 149.793 1.00 96.13 C HETATM 4310 C2 NAG B 402 105.739 97.316 149.382 1.00 96.13 C HETATM 4311 C3 NAG B 402 106.311 96.335 150.405 1.00 96.13 C HETATM 4312 C4 NAG B 402 106.229 96.921 151.809 1.00 96.13 C HETATM 4313 C5 NAG B 402 104.803 97.374 152.117 1.00 96.13 C HETATM 4314 C6 NAG B 402 104.678 98.065 153.455 1.00 96.13 C HETATM 4315 C7 NAG B 402 105.110 95.664 147.627 1.00 96.13 C HETATM 4316 C8 NAG B 402 105.309 95.283 146.191 1.00 96.13 C HETATM 4317 N2 NAG B 402 105.775 96.756 148.035 1.00 96.13 N HETATM 4318 O3 NAG B 402 107.664 96.043 150.077 1.00 96.13 O HETATM 4319 O4 NAG B 402 106.627 95.945 152.766 1.00 96.13 O HETATM 4320 O5 NAG B 402 104.359 98.310 151.124 1.00 96.13 O HETATM 4321 O6 NAG B 402 104.459 97.132 154.504 1.00 96.13 O HETATM 4322 O7 NAG B 402 104.382 95.012 148.373 1.00 96.13 O HETATM 4323 K K B 403 98.032 98.179 100.474 1.00 21.98 K HETATM 4324 K K B 404 98.010 98.241 110.422 1.00 21.98 K HETATM 4325 K K B 405 98.007 98.116 96.768 1.00 37.41 K HETATM 4326 O HOH A 501 100.757 101.264 95.777 1.00 16.21 O HETATM 4327 O HOH B 501 94.838 95.548 95.813 1.00 16.65 O CONECT 367 4265 CONECT 417 4279 CONECT 787 4294 4323 CONECT 789 4323 CONECT 794 4293 4294 CONECT 802 4293 4324 CONECT 806 4324 CONECT 1651 4294 4323 CONECT 1653 4323 CONECT 1658 4293 4294 CONECT 1666 4293 4324 CONECT 1670 4324 CONECT 2509 4295 CONECT 2559 4309 CONECT 2929 4294 4323 CONECT 2931 4323 CONECT 2936 4293 4294 CONECT 2944 4293 4324 CONECT 2948 4324 CONECT 3781 4294 4323 CONECT 3783 4323 CONECT 3788 4293 4294 CONECT 3796 4293 4324 CONECT 3800 4324 CONECT 4265 367 4266 4276 CONECT 4266 4265 4267 4273 CONECT 4267 4266 4268 4274 CONECT 4268 4267 4269 4275 CONECT 4269 4268 4270 4276 CONECT 4270 4269 4277 CONECT 4271 4272 4273 4278 CONECT 4272 4271 CONECT 4273 4266 4271 CONECT 4274 4267 CONECT 4275 4268 CONECT 4276 4265 4269 CONECT 4277 4270 CONECT 4278 4271 CONECT 4279 417 4280 4290 CONECT 4280 4279 4281 4287 CONECT 4281 4280 4282 4288 CONECT 4282 4281 4283 4289 CONECT 4283 4282 4284 4290 CONECT 4284 4283 4291 CONECT 4285 4286 4287 4292 CONECT 4286 4285 CONECT 4287 4280 4285 CONECT 4288 4281 CONECT 4289 4282 CONECT 4290 4279 4283 CONECT 4291 4284 CONECT 4292 4285 CONECT 4293 794 802 1658 1666 CONECT 4293 2936 2944 3788 3796 CONECT 4294 787 794 1651 1658 CONECT 4294 2929 2936 3781 3788 CONECT 4295 2509 4296 4306 CONECT 4296 4295 4297 4303 CONECT 4297 4296 4298 4304 CONECT 4298 4297 4299 4305 CONECT 4299 4298 4300 4306 CONECT 4300 4299 4307 CONECT 4301 4302 4303 4308 CONECT 4302 4301 CONECT 4303 4296 4301 CONECT 4304 4297 CONECT 4305 4298 CONECT 4306 4295 4299 CONECT 4307 4300 CONECT 4308 4301 CONECT 4309 2559 4310 4320 CONECT 4310 4309 4311 4317 CONECT 4311 4310 4312 4318 CONECT 4312 4311 4313 4319 CONECT 4313 4312 4314 4320 CONECT 4314 4313 4321 CONECT 4315 4316 4317 4322 CONECT 4316 4315 CONECT 4317 4310 4315 CONECT 4318 4311 CONECT 4319 4312 CONECT 4320 4309 4313 CONECT 4321 4314 CONECT 4322 4315 CONECT 4323 787 789 1651 1653 CONECT 4323 2929 2931 3781 3783 CONECT 4324 802 806 1666 1670 CONECT 4324 2944 2948 3796 3800 MASTER 287 0 9 14 0 0 0 6 4325 2 88 48 END