HEADER MEMBRANE PROTEIN 03-JUN-24 9C48 TITLE CRYO-EM STRUCTURE OF THE FULL-LENGTH HUMAN P2X4 RECEPTOR IN THE ATP- TITLE 2 BOUND DESENSITIZED STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: P2X PURINOCEPTOR 4; COMPND 3 CHAIN: A, B, C; COMPND 4 SYNONYM: P2X4,ATP RECEPTOR,PURINERGIC RECEPTOR; COMPND 5 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: P2RX4; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 8 EXPRESSION_SYSTEM_CELL: HEK293 GNTI- KEYWDS MEMBRANE PROTEIN, ION CHANNEL, LIGAND-GATED ION CHANNEL, P2X KEYWDS 2 RECEPTOR, ALLOSTERIC ANTAGONIST EXPDTA ELECTRON MICROSCOPY AUTHOR H.SHI,I.A.DITTER,A.C.OKEN,S.E.MANSOOR REVDAT 1 29-JAN-25 9C48 0 JRNL AUTH H.SHI,I.A.DITTER,A.C.OKEN,S.E.MANSOOR JRNL TITL HUMAN P2X4 RECEPTOR GATING IS MODULATED BY A STABLE JRNL TITL 2 CYTOPLASMIC CAP AND A UNIQUE ALLOSTERIC POCKET. JRNL REF SCI ADV V. 11 R3315 2025 JRNL REFN ESSN 2375-2548 JRNL PMID 39823330 JRNL DOI 10.1126/SCIADV.ADR3315 REMARK 2 REMARK 2 RESOLUTION. 2.40 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) : 2.400 REMARK 3 NUMBER OF PARTICLES : 122405 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 9C48 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-JUN-24. REMARK 100 THE DEPOSITION ID IS D_1000284643. 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 : MEMBRANE PROTEIN 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 : 7.00 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 15582 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) : 900.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1500.00 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) : 4300.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 130000 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F, G, H, I, J, REMARK 350 AND CHAINS: K, L 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 CYS A 4 REMARK 465 CYS A 5 REMARK 465 ALA A 6 REMARK 465 ALA A 7 REMARK 465 LEU A 8 REMARK 465 ALA A 9 REMARK 465 ALA A 10 REMARK 465 PHE A 11 REMARK 465 LEU A 12 REMARK 465 PHE A 13 REMARK 465 GLU A 14 REMARK 465 TYR A 15 REMARK 465 ASP A 16 REMARK 465 THR A 17 REMARK 465 PRO A 18 REMARK 465 ARG A 19 REMARK 465 ILE A 20 REMARK 465 VAL A 21 REMARK 465 LEU A 22 REMARK 465 ILE A 23 REMARK 465 ARG A 24 REMARK 465 SER A 25 REMARK 465 ARG A 26 REMARK 465 LYS A 27 REMARK 465 VAL A 28 REMARK 465 GLY A 29 REMARK 465 LEU A 30 REMARK 465 LYS A 362 REMARK 465 LYS A 363 REMARK 465 ARG A 364 REMARK 465 LEU A 365 REMARK 465 TYR A 366 REMARK 465 TYR A 367 REMARK 465 ARG A 368 REMARK 465 GLU A 369 REMARK 465 LYS A 370 REMARK 465 LYS A 371 REMARK 465 TYR A 372 REMARK 465 LYS A 373 REMARK 465 TYR A 374 REMARK 465 VAL A 375 REMARK 465 GLU A 376 REMARK 465 ASP A 377 REMARK 465 TYR A 378 REMARK 465 GLU A 379 REMARK 465 GLN A 380 REMARK 465 GLY A 381 REMARK 465 LEU A 382 REMARK 465 ALA A 383 REMARK 465 SER A 384 REMARK 465 GLU A 385 REMARK 465 LEU A 386 REMARK 465 ASP A 387 REMARK 465 GLN A 388 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 GLY B 3 REMARK 465 CYS B 4 REMARK 465 CYS B 5 REMARK 465 ALA B 6 REMARK 465 ALA B 7 REMARK 465 LEU B 8 REMARK 465 ALA B 9 REMARK 465 ALA B 10 REMARK 465 PHE B 11 REMARK 465 LEU B 12 REMARK 465 PHE B 13 REMARK 465 GLU B 14 REMARK 465 TYR B 15 REMARK 465 ASP B 16 REMARK 465 THR B 17 REMARK 465 PRO B 18 REMARK 465 ARG B 19 REMARK 465 ILE B 20 REMARK 465 VAL B 21 REMARK 465 LEU B 22 REMARK 465 ILE B 23 REMARK 465 ARG B 24 REMARK 465 SER B 25 REMARK 465 ARG B 26 REMARK 465 LYS B 27 REMARK 465 VAL B 28 REMARK 465 GLY B 29 REMARK 465 LEU B 30 REMARK 465 LYS B 362 REMARK 465 LYS B 363 REMARK 465 ARG B 364 REMARK 465 LEU B 365 REMARK 465 TYR B 366 REMARK 465 TYR B 367 REMARK 465 ARG B 368 REMARK 465 GLU B 369 REMARK 465 LYS B 370 REMARK 465 LYS B 371 REMARK 465 TYR B 372 REMARK 465 LYS B 373 REMARK 465 TYR B 374 REMARK 465 VAL B 375 REMARK 465 GLU B 376 REMARK 465 ASP B 377 REMARK 465 TYR B 378 REMARK 465 GLU B 379 REMARK 465 GLN B 380 REMARK 465 GLY B 381 REMARK 465 LEU B 382 REMARK 465 ALA B 383 REMARK 465 SER B 384 REMARK 465 GLU B 385 REMARK 465 LEU B 386 REMARK 465 ASP B 387 REMARK 465 GLN B 388 REMARK 465 MET C 1 REMARK 465 ALA C 2 REMARK 465 GLY C 3 REMARK 465 CYS C 4 REMARK 465 CYS C 5 REMARK 465 ALA C 6 REMARK 465 ALA C 7 REMARK 465 LEU C 8 REMARK 465 ALA C 9 REMARK 465 ALA C 10 REMARK 465 PHE C 11 REMARK 465 LEU C 12 REMARK 465 PHE C 13 REMARK 465 GLU C 14 REMARK 465 TYR C 15 REMARK 465 ASP C 16 REMARK 465 THR C 17 REMARK 465 PRO C 18 REMARK 465 ARG C 19 REMARK 465 ILE C 20 REMARK 465 VAL C 21 REMARK 465 LEU C 22 REMARK 465 ILE C 23 REMARK 465 ARG C 24 REMARK 465 SER C 25 REMARK 465 ARG C 26 REMARK 465 LYS C 27 REMARK 465 VAL C 28 REMARK 465 GLY C 29 REMARK 465 LEU C 30 REMARK 465 LYS C 362 REMARK 465 LYS C 363 REMARK 465 ARG C 364 REMARK 465 LEU C 365 REMARK 465 TYR C 366 REMARK 465 TYR C 367 REMARK 465 ARG C 368 REMARK 465 GLU C 369 REMARK 465 LYS C 370 REMARK 465 LYS C 371 REMARK 465 TYR C 372 REMARK 465 LYS C 373 REMARK 465 TYR C 374 REMARK 465 VAL C 375 REMARK 465 GLU C 376 REMARK 465 ASP C 377 REMARK 465 TYR C 378 REMARK 465 GLU C 379 REMARK 465 GLN C 380 REMARK 465 GLY C 381 REMARK 465 LEU C 382 REMARK 465 ALA C 383 REMARK 465 SER C 384 REMARK 465 GLU C 385 REMARK 465 LEU C 386 REMARK 465 ASP C 387 REMARK 465 GLN C 388 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 LYS A 78 CG CD CE NZ REMARK 470 LYS A 127 CG CD CE NZ REMARK 470 LYS B 78 CG CD CE NZ REMARK 470 LYS B 127 CG CD CE NZ REMARK 470 LYS C 78 CG CD CE NZ REMARK 470 LYS C 127 CG CD CE NZ 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 49 -62.97 -92.57 REMARK 500 ASP A 121 -167.71 -162.03 REMARK 500 ALA A 163 -169.82 -160.45 REMARK 500 SER A 216 31.72 -140.40 REMARK 500 VAL B 49 -62.93 -92.59 REMARK 500 ASP B 121 -167.73 -162.05 REMARK 500 ALA B 163 -169.81 -160.47 REMARK 500 SER B 216 31.67 -140.39 REMARK 500 VAL C 49 -62.92 -92.57 REMARK 500 ASP C 121 -167.74 -162.07 REMARK 500 ALA C 163 -169.87 -160.46 REMARK 500 SER C 216 31.74 -140.38 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 MG A 405 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 170 OD2 REMARK 620 2 ATP C 502 O2G 89.3 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 501 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ATP A 401 O2G REMARK 620 2 ASP B 170 OD2 89.2 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG C 501 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ATP B 502 O2G REMARK 620 2 ASP C 170 OD2 89.2 REMARK 620 N 1 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 9BQH RELATED DB: PDB REMARK 900 RELATED ID: EMD-44799 RELATED DB: EMDB REMARK 900 RELATED ID: 9BQI RELATED DB: PDB REMARK 900 RELATED ID: EMD-44800 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-45177 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE FULL-LENGTH HUMAN P2X4 RECEPTOR IN THE ATP- REMARK 900 BOUND DESENSITIZED STATE DBREF 9C48 A 1 388 UNP Q99571 P2RX4_HUMAN 1 388 DBREF 9C48 B 1 388 UNP Q99571 P2RX4_HUMAN 1 388 DBREF 9C48 C 1 388 UNP Q99571 P2RX4_HUMAN 1 388 SEQRES 1 A 388 MET ALA GLY CYS CYS ALA ALA LEU ALA ALA PHE LEU PHE SEQRES 2 A 388 GLU TYR ASP THR PRO ARG ILE VAL LEU ILE ARG SER ARG SEQRES 3 A 388 LYS VAL GLY LEU MET ASN ARG ALA VAL GLN LEU LEU ILE SEQRES 4 A 388 LEU ALA TYR VAL ILE GLY TRP VAL PHE VAL TRP GLU LYS SEQRES 5 A 388 GLY TYR GLN GLU THR ASP SER VAL VAL SER SER VAL THR SEQRES 6 A 388 THR LYS VAL LYS GLY VAL ALA VAL THR ASN THR SER LYS SEQRES 7 A 388 LEU GLY PHE ARG ILE TRP ASP VAL ALA ASP TYR VAL ILE SEQRES 8 A 388 PRO ALA GLN GLU GLU ASN SER LEU PHE VAL MET THR ASN SEQRES 9 A 388 VAL ILE LEU THR MET ASN GLN THR GLN GLY LEU CYS PRO SEQRES 10 A 388 GLU ILE PRO ASP ALA THR THR VAL CYS LYS SER ASP ALA SEQRES 11 A 388 SER CYS THR ALA GLY SER ALA GLY THR HIS SER ASN GLY SEQRES 12 A 388 VAL SER THR GLY ARG CYS VAL ALA PHE ASN GLY SER VAL SEQRES 13 A 388 LYS THR CYS GLU VAL ALA ALA TRP CYS PRO VAL GLU ASP SEQRES 14 A 388 ASP THR HIS VAL PRO GLN PRO ALA PHE LEU LYS ALA ALA SEQRES 15 A 388 GLU ASN PHE THR LEU LEU VAL LYS ASN ASN ILE TRP TYR SEQRES 16 A 388 PRO LYS PHE ASN PHE SER LYS ARG ASN ILE LEU PRO ASN SEQRES 17 A 388 ILE THR THR THR TYR LEU LYS SER CYS ILE TYR ASP ALA SEQRES 18 A 388 LYS THR ASP PRO PHE CYS PRO ILE PHE ARG LEU GLY LYS SEQRES 19 A 388 ILE VAL GLU ASN ALA GLY HIS SER PHE GLN ASP MET ALA SEQRES 20 A 388 VAL GLU GLY GLY ILE MET GLY ILE GLN VAL ASN TRP ASP SEQRES 21 A 388 CYS ASN LEU ASP ARG ALA ALA SER LEU CYS LEU PRO ARG SEQRES 22 A 388 TYR SER PHE ARG ARG LEU ASP THR ARG ASP VAL GLU HIS SEQRES 23 A 388 ASN VAL SER PRO GLY TYR ASN PHE ARG PHE ALA LYS TYR SEQRES 24 A 388 TYR ARG ASP LEU ALA GLY ASN GLU GLN ARG THR LEU ILE SEQRES 25 A 388 LYS ALA TYR GLY ILE ARG PHE ASP ILE ILE VAL PHE GLY SEQRES 26 A 388 LYS ALA GLY LYS PHE ASP ILE ILE PRO THR MET ILE ASN SEQRES 27 A 388 ILE GLY SER GLY LEU ALA LEU LEU GLY MET ALA THR VAL SEQRES 28 A 388 LEU CYS ASP ILE ILE VAL LEU TYR CYS MET LYS LYS ARG SEQRES 29 A 388 LEU TYR TYR ARG GLU LYS LYS TYR LYS TYR VAL GLU ASP SEQRES 30 A 388 TYR GLU GLN GLY LEU ALA SER GLU LEU ASP GLN SEQRES 1 B 388 MET ALA GLY CYS CYS ALA ALA LEU ALA ALA PHE LEU PHE SEQRES 2 B 388 GLU TYR ASP THR PRO ARG ILE VAL LEU ILE ARG SER ARG SEQRES 3 B 388 LYS VAL GLY LEU MET ASN ARG ALA VAL GLN LEU LEU ILE SEQRES 4 B 388 LEU ALA TYR VAL ILE GLY TRP VAL PHE VAL TRP GLU LYS SEQRES 5 B 388 GLY TYR GLN GLU THR ASP SER VAL VAL SER SER VAL THR SEQRES 6 B 388 THR LYS VAL LYS GLY VAL ALA VAL THR ASN THR SER LYS SEQRES 7 B 388 LEU GLY PHE ARG ILE TRP ASP VAL ALA ASP TYR VAL ILE SEQRES 8 B 388 PRO ALA GLN GLU GLU ASN SER LEU PHE VAL MET THR ASN SEQRES 9 B 388 VAL ILE LEU THR MET ASN GLN THR GLN GLY LEU CYS PRO SEQRES 10 B 388 GLU ILE PRO ASP ALA THR THR VAL CYS LYS SER ASP ALA SEQRES 11 B 388 SER CYS THR ALA GLY SER ALA GLY THR HIS SER ASN GLY SEQRES 12 B 388 VAL SER THR GLY ARG CYS VAL ALA PHE ASN GLY SER VAL SEQRES 13 B 388 LYS THR CYS GLU VAL ALA ALA TRP CYS PRO VAL GLU ASP SEQRES 14 B 388 ASP THR HIS VAL PRO GLN PRO ALA PHE LEU LYS ALA ALA SEQRES 15 B 388 GLU ASN PHE THR LEU LEU VAL LYS ASN ASN ILE TRP TYR SEQRES 16 B 388 PRO LYS PHE ASN PHE SER LYS ARG ASN ILE LEU PRO ASN SEQRES 17 B 388 ILE THR THR THR TYR LEU LYS SER CYS ILE TYR ASP ALA SEQRES 18 B 388 LYS THR ASP PRO PHE CYS PRO ILE PHE ARG LEU GLY LYS SEQRES 19 B 388 ILE VAL GLU ASN ALA GLY HIS SER PHE GLN ASP MET ALA SEQRES 20 B 388 VAL GLU GLY GLY ILE MET GLY ILE GLN VAL ASN TRP ASP SEQRES 21 B 388 CYS ASN LEU ASP ARG ALA ALA SER LEU CYS LEU PRO ARG SEQRES 22 B 388 TYR SER PHE ARG ARG LEU ASP THR ARG ASP VAL GLU HIS SEQRES 23 B 388 ASN VAL SER PRO GLY TYR ASN PHE ARG PHE ALA LYS TYR SEQRES 24 B 388 TYR ARG ASP LEU ALA GLY ASN GLU GLN ARG THR LEU ILE SEQRES 25 B 388 LYS ALA TYR GLY ILE ARG PHE ASP ILE ILE VAL PHE GLY SEQRES 26 B 388 LYS ALA GLY LYS PHE ASP ILE ILE PRO THR MET ILE ASN SEQRES 27 B 388 ILE GLY SER GLY LEU ALA LEU LEU GLY MET ALA THR VAL SEQRES 28 B 388 LEU CYS ASP ILE ILE VAL LEU TYR CYS MET LYS LYS ARG SEQRES 29 B 388 LEU TYR TYR ARG GLU LYS LYS TYR LYS TYR VAL GLU ASP SEQRES 30 B 388 TYR GLU GLN GLY LEU ALA SER GLU LEU ASP GLN SEQRES 1 C 388 MET ALA GLY CYS CYS ALA ALA LEU ALA ALA PHE LEU PHE SEQRES 2 C 388 GLU TYR ASP THR PRO ARG ILE VAL LEU ILE ARG SER ARG SEQRES 3 C 388 LYS VAL GLY LEU MET ASN ARG ALA VAL GLN LEU LEU ILE SEQRES 4 C 388 LEU ALA TYR VAL ILE GLY TRP VAL PHE VAL TRP GLU LYS SEQRES 5 C 388 GLY TYR GLN GLU THR ASP SER VAL VAL SER SER VAL THR SEQRES 6 C 388 THR LYS VAL LYS GLY VAL ALA VAL THR ASN THR SER LYS SEQRES 7 C 388 LEU GLY PHE ARG ILE TRP ASP VAL ALA ASP TYR VAL ILE SEQRES 8 C 388 PRO ALA GLN GLU GLU ASN SER LEU PHE VAL MET THR ASN SEQRES 9 C 388 VAL ILE LEU THR MET ASN GLN THR GLN GLY LEU CYS PRO SEQRES 10 C 388 GLU ILE PRO ASP ALA THR THR VAL CYS LYS SER ASP ALA SEQRES 11 C 388 SER CYS THR ALA GLY SER ALA GLY THR HIS SER ASN GLY SEQRES 12 C 388 VAL SER THR GLY ARG CYS VAL ALA PHE ASN GLY SER VAL SEQRES 13 C 388 LYS THR CYS GLU VAL ALA ALA TRP CYS PRO VAL GLU ASP SEQRES 14 C 388 ASP THR HIS VAL PRO GLN PRO ALA PHE LEU LYS ALA ALA SEQRES 15 C 388 GLU ASN PHE THR LEU LEU VAL LYS ASN ASN ILE TRP TYR SEQRES 16 C 388 PRO LYS PHE ASN PHE SER LYS ARG ASN ILE LEU PRO ASN SEQRES 17 C 388 ILE THR THR THR TYR LEU LYS SER CYS ILE TYR ASP ALA SEQRES 18 C 388 LYS THR ASP PRO PHE CYS PRO ILE PHE ARG LEU GLY LYS SEQRES 19 C 388 ILE VAL GLU ASN ALA GLY HIS SER PHE GLN ASP MET ALA SEQRES 20 C 388 VAL GLU GLY GLY ILE MET GLY ILE GLN VAL ASN TRP ASP SEQRES 21 C 388 CYS ASN LEU ASP ARG ALA ALA SER LEU CYS LEU PRO ARG SEQRES 22 C 388 TYR SER PHE ARG ARG LEU ASP THR ARG ASP VAL GLU HIS SEQRES 23 C 388 ASN VAL SER PRO GLY TYR ASN PHE ARG PHE ALA LYS TYR SEQRES 24 C 388 TYR ARG ASP LEU ALA GLY ASN GLU GLN ARG THR LEU ILE SEQRES 25 C 388 LYS ALA TYR GLY ILE ARG PHE ASP ILE ILE VAL PHE GLY SEQRES 26 C 388 LYS ALA GLY LYS PHE ASP ILE ILE PRO THR MET ILE ASN SEQRES 27 C 388 ILE GLY SER GLY LEU ALA LEU LEU GLY MET ALA THR VAL SEQRES 28 C 388 LEU CYS ASP ILE ILE VAL LEU TYR CYS MET LYS LYS ARG SEQRES 29 C 388 LEU TYR TYR ARG GLU LYS LYS TYR LYS TYR VAL GLU ASP SEQRES 30 C 388 TYR GLU GLN GLY LEU ALA SER GLU LEU ASP GLN HET NAG D 1 14 HET NAG D 2 14 HET NAG E 1 14 HET NAG E 2 14 HET NAG F 1 14 HET NAG F 2 14 HET BMA F 3 11 HET NAG G 1 14 HET NAG G 2 14 HET NAG H 1 14 HET NAG H 2 14 HET NAG I 1 14 HET NAG I 2 14 HET BMA I 3 11 HET NAG J 1 14 HET NAG J 2 14 HET NAG K 1 14 HET NAG K 2 14 HET NAG L 1 14 HET NAG L 2 14 HET BMA L 3 11 HET ATP A 401 31 HET NAG A 402 14 HET NAG A 403 14 HET NAG A 404 14 HET MG A 405 1 HET MG B 501 1 HET ATP B 502 31 HET NAG B 503 14 HET NAG B 504 14 HET NAG B 505 14 HET MG C 501 1 HET ATP C 502 31 HET NAG C 503 14 HET NAG C 504 14 HET NAG C 505 14 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM BMA BETA-D-MANNOPYRANOSE HETNAM ATP ADENOSINE-5'-TRIPHOSPHATE HETNAM MG MAGNESIUM 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 HETSYN BMA BETA-D-MANNOSE; D-MANNOSE; MANNOSE FORMUL 4 NAG 27(C8 H15 N O6) FORMUL 6 BMA 3(C6 H12 O6) FORMUL 13 ATP 3(C10 H16 N5 O13 P3) FORMUL 17 MG 3(MG 2+) FORMUL 28 HOH *249(H2 O) HELIX 1 AA1 MET A 31 TRP A 46 1 16 HELIX 2 AA2 ASP A 85 VAL A 90 1 6 HELIX 3 AA3 LEU A 179 ASN A 184 5 6 HELIX 4 AA4 THR A 210 SER A 216 1 7 HELIX 5 AA5 LEU A 232 ALA A 239 1 8 HELIX 6 AA6 SER A 242 VAL A 248 1 7 HELIX 7 AA7 ALA A 266 CYS A 270 5 5 HELIX 8 AA8 ASP A 331 MET A 361 1 31 HELIX 9 AA9 ASN B 32 TRP B 46 1 15 HELIX 10 AB1 ASP B 85 VAL B 90 1 6 HELIX 11 AB2 LEU B 179 ASN B 184 5 6 HELIX 12 AB3 THR B 210 SER B 216 1 7 HELIX 13 AB4 LEU B 232 ALA B 239 1 8 HELIX 14 AB5 SER B 242 VAL B 248 1 7 HELIX 15 AB6 ALA B 266 CYS B 270 5 5 HELIX 16 AB7 ASP B 331 MET B 361 1 31 HELIX 17 AB8 ASN C 32 TRP C 46 1 15 HELIX 18 AB9 ASP C 85 VAL C 90 1 6 HELIX 19 AC1 LEU C 179 ASN C 184 5 6 HELIX 20 AC2 THR C 210 SER C 216 1 7 HELIX 21 AC3 LEU C 232 ALA C 239 1 8 HELIX 22 AC4 SER C 242 VAL C 248 1 7 HELIX 23 AC5 ALA C 266 CYS C 270 5 5 HELIX 24 AC6 ASP C 331 MET C 361 1 31 SHEET 1 AA1 4 GLN A 55 SER A 59 0 SHEET 2 AA1 4 GLU A 307 PHE A 330 -1 O LYS A 329 N GLU A 56 SHEET 3 AA1 4 GLY A 251 ASN A 262 1 N ILE A 255 O ASP A 320 SHEET 4 AA1 4 PRO A 272 ARG A 278 -1 O ARG A 277 N GLY A 254 SHEET 1 AA2 5 VAL A 144 ALA A 151 0 SHEET 2 AA2 5 LYS A 157 CYS A 165 -1 O GLU A 160 N ARG A 148 SHEET 3 AA2 5 SER A 98 PRO A 117 -1 N THR A 112 O CYS A 165 SHEET 4 AA2 5 GLU A 307 PHE A 330 -1 O PHE A 319 N LEU A 99 SHEET 5 AA2 5 ASN A 293 ARG A 301 -1 N TYR A 300 O GLN A 308 SHEET 1 AA3 3 VAL A 61 LYS A 69 0 SHEET 2 AA3 3 THR A 186 TYR A 195 -1 O LYS A 190 N THR A 65 SHEET 3 AA3 3 PHE A 200 ARG A 203 -1 O PHE A 200 N TYR A 195 SHEET 1 AA4 3 VAL A 61 LYS A 69 0 SHEET 2 AA4 3 THR A 186 TYR A 195 -1 O LYS A 190 N THR A 65 SHEET 3 AA4 3 ILE A 229 ARG A 231 -1 O PHE A 230 N LEU A 187 SHEET 1 AA5 2 ALA A 72 THR A 76 0 SHEET 2 AA5 2 GLY A 80 TRP A 84 -1 O ARG A 82 N THR A 74 SHEET 1 AA6 4 GLN B 55 SER B 59 0 SHEET 2 AA6 4 GLU B 307 PHE B 330 -1 O LYS B 329 N GLU B 56 SHEET 3 AA6 4 GLY B 251 ASN B 262 1 N ILE B 255 O ASP B 320 SHEET 4 AA6 4 PRO B 272 ARG B 278 -1 O ARG B 277 N GLY B 254 SHEET 1 AA7 5 VAL B 144 ALA B 151 0 SHEET 2 AA7 5 LYS B 157 CYS B 165 -1 O GLU B 160 N ARG B 148 SHEET 3 AA7 5 SER B 98 PRO B 117 -1 N THR B 112 O CYS B 165 SHEET 4 AA7 5 GLU B 307 PHE B 330 -1 O PHE B 319 N LEU B 99 SHEET 5 AA7 5 ASN B 293 ARG B 301 -1 N TYR B 300 O GLN B 308 SHEET 1 AA8 3 VAL B 61 LYS B 69 0 SHEET 2 AA8 3 THR B 186 TYR B 195 -1 O LYS B 190 N THR B 65 SHEET 3 AA8 3 PHE B 200 ARG B 203 -1 O PHE B 200 N TYR B 195 SHEET 1 AA9 3 VAL B 61 LYS B 69 0 SHEET 2 AA9 3 THR B 186 TYR B 195 -1 O LYS B 190 N THR B 65 SHEET 3 AA9 3 ILE B 229 ARG B 231 -1 O PHE B 230 N LEU B 187 SHEET 1 AB1 2 ALA B 72 THR B 76 0 SHEET 2 AB1 2 GLY B 80 TRP B 84 -1 O ARG B 82 N THR B 74 SHEET 1 AB2 4 GLN C 55 SER C 59 0 SHEET 2 AB2 4 GLU C 307 PHE C 330 -1 O LYS C 329 N GLU C 56 SHEET 3 AB2 4 GLY C 251 ASN C 262 1 N ILE C 255 O ASP C 320 SHEET 4 AB2 4 PRO C 272 ARG C 278 -1 O ARG C 277 N GLY C 254 SHEET 1 AB3 5 VAL C 144 ALA C 151 0 SHEET 2 AB3 5 LYS C 157 CYS C 165 -1 O GLU C 160 N ARG C 148 SHEET 3 AB3 5 SER C 98 PRO C 117 -1 N THR C 112 O CYS C 165 SHEET 4 AB3 5 GLU C 307 PHE C 330 -1 O PHE C 319 N LEU C 99 SHEET 5 AB3 5 ASN C 293 ARG C 301 -1 N TYR C 300 O GLN C 308 SHEET 1 AB4 3 VAL C 61 LYS C 69 0 SHEET 2 AB4 3 THR C 186 TYR C 195 -1 O LYS C 190 N THR C 65 SHEET 3 AB4 3 PHE C 200 ARG C 203 -1 O PHE C 200 N TYR C 195 SHEET 1 AB5 3 VAL C 61 LYS C 69 0 SHEET 2 AB5 3 THR C 186 TYR C 195 -1 O LYS C 190 N THR C 65 SHEET 3 AB5 3 ILE C 229 ARG C 231 -1 O PHE C 230 N LEU C 187 SHEET 1 AB6 2 ALA C 72 THR C 76 0 SHEET 2 AB6 2 GLY C 80 TRP C 84 -1 O ARG C 82 N THR C 74 SSBOND 1 CYS A 116 CYS A 165 1555 1555 2.03 SSBOND 2 CYS A 126 CYS A 149 1555 1555 2.03 SSBOND 3 CYS A 217 CYS A 227 1555 1555 2.04 SSBOND 4 CYS A 261 CYS A 270 1555 1555 2.03 SSBOND 5 CYS B 116 CYS B 165 1555 1555 2.03 SSBOND 6 CYS B 126 CYS B 149 1555 1555 2.03 SSBOND 7 CYS B 217 CYS B 227 1555 1555 2.04 SSBOND 8 CYS B 261 CYS B 270 1555 1555 2.03 SSBOND 9 CYS C 116 CYS C 165 1555 1555 2.03 SSBOND 10 CYS C 126 CYS C 149 1555 1555 2.03 SSBOND 11 CYS C 217 CYS C 227 1555 1555 2.04 SSBOND 12 CYS C 261 CYS C 270 1555 1555 2.03 LINK ND2 ASN A 75 C1 NAG A 402 1555 1555 1.44 LINK ND2 ASN A 110 C1 NAG A 403 1555 1555 1.44 LINK ND2 ASN A 153 C1 NAG A 404 1555 1555 1.44 LINK ND2 ASN A 184 C1 NAG D 1 1555 1555 1.44 LINK ND2 ASN A 199 C1 NAG E 1 1555 1555 1.46 LINK ND2 ASN A 208 C1 NAG F 1 1555 1555 1.45 LINK ND2 ASN B 75 C1 NAG B 503 1555 1555 1.44 LINK ND2 ASN B 110 C1 NAG B 504 1555 1555 1.44 LINK ND2 ASN B 153 C1 NAG B 505 1555 1555 1.44 LINK ND2 ASN B 184 C1 NAG G 1 1555 1555 1.44 LINK ND2 ASN B 199 C1 NAG H 1 1555 1555 1.46 LINK ND2 ASN B 208 C1 NAG I 1 1555 1555 1.45 LINK ND2 ASN C 75 C1 NAG C 503 1555 1555 1.44 LINK ND2 ASN C 110 C1 NAG C 504 1555 1555 1.44 LINK ND2 ASN C 153 C1 NAG C 505 1555 1555 1.44 LINK ND2 ASN C 184 C1 NAG J 1 1555 1555 1.44 LINK ND2 ASN C 199 C1 NAG K 1 1555 1555 1.46 LINK ND2 ASN C 208 C1 NAG L 1 1555 1555 1.45 LINK O4 NAG D 1 C1 NAG D 2 1555 1555 1.44 LINK O4 NAG E 1 C1 NAG E 2 1555 1555 1.44 LINK O4 NAG F 1 C1 NAG F 2 1555 1555 1.45 LINK O4 NAG F 2 C1 BMA F 3 1555 1555 1.44 LINK O4 NAG G 1 C1 NAG G 2 1555 1555 1.44 LINK O4 NAG H 1 C1 NAG H 2 1555 1555 1.44 LINK O4 NAG I 1 C1 NAG I 2 1555 1555 1.45 LINK O4 NAG I 2 C1 BMA I 3 1555 1555 1.44 LINK O4 NAG J 1 C1 NAG J 2 1555 1555 1.44 LINK O4 NAG K 1 C1 NAG K 2 1555 1555 1.44 LINK O4 NAG L 1 C1 NAG L 2 1555 1555 1.45 LINK O4 NAG L 2 C1 BMA L 3 1555 1555 1.44 LINK OD2 ASP A 170 MG MG A 405 1555 1555 2.36 LINK O2G ATP A 401 MG MG B 501 1555 1555 2.54 LINK MG MG A 405 O2G ATP C 502 1555 1555 2.54 LINK OD2 ASP B 170 MG MG B 501 1555 1555 2.37 LINK O2G ATP B 502 MG MG C 501 1555 1555 2.54 LINK OD2 ASP C 170 MG MG C 501 1555 1555 2.36 CISPEP 1 ILE A 91 PRO A 92 0 -5.61 CISPEP 2 CYS A 165 PRO A 166 0 1.48 CISPEP 3 GLN A 175 PRO A 176 0 2.60 CISPEP 4 ILE B 91 PRO B 92 0 -5.57 CISPEP 5 CYS B 165 PRO B 166 0 1.52 CISPEP 6 GLN B 175 PRO B 176 0 2.71 CISPEP 7 ILE C 91 PRO C 92 0 -5.63 CISPEP 8 CYS C 165 PRO C 166 0 1.46 CISPEP 9 GLN C 175 PRO C 176 0 2.56 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