HEADER MEMBRANE PROTEIN 21-NOV-24 9EGQ TITLE HUMAN BEST1 BOUND TO GABA IN AN INTERMEDIATE STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: BESTROPHIN-1; COMPND 3 CHAIN: A, B, C, D, E; COMPND 4 SYNONYM: TU15B,VITELLIFORM MACULAR DYSTROPHY PROTEIN 2; 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: BEST1, VMD2; SOURCE 6 EXPRESSION_SYSTEM: KOMAGATAELLA PASTORIS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 4922 KEYWDS BESTROPHIN, ION CHANNEL, GABA, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR S.PANT,S.B.LONG REVDAT 2 30-APR-25 9EGQ 1 JRNL REVDAT 1 09-APR-25 9EGQ 0 JRNL AUTH S.PANT,S.W.TAM,S.B.LONG JRNL TITL THE PENTAMERIC CHLORIDE CHANNEL BEST1 IS ACTIVATED BY JRNL TITL 2 EXTRACELLULAR GABA. JRNL REF PROC.NATL.ACAD.SCI.USA V. 122 74122 2025 JRNL REFN ESSN 1091-6490 JRNL PMID 40249777 JRNL DOI 10.1073/PNAS.2424474122 REMARK 2 REMARK 2 RESOLUTION. 2.62 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) : 2.620 REMARK 3 NUMBER OF PARTICLES : 148312 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 9EGQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-NOV-24. REMARK 100 THE DEPOSITION ID IS D_1000290403. 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 BEST1 BOUND TO GABA IN AN REMARK 245 INTERMEDIATE STATE 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 : TFS KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 600.00 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) : 4370.00 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: PENTAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: PENTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E 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 PRO A 377 REMARK 465 ASN A 378 REMARK 465 GLN A 379 REMARK 465 GLU A 380 REMARK 465 ASP A 381 REMARK 465 GLU A 382 REMARK 465 GLU A 383 REMARK 465 ASP A 384 REMARK 465 ALA A 385 REMARK 465 HIS A 386 REMARK 465 ALA A 387 REMARK 465 GLY A 388 REMARK 465 ILE A 389 REMARK 465 ILE A 390 REMARK 465 GLY A 391 REMARK 465 ARG A 392 REMARK 465 PHE A 393 REMARK 465 LEU A 394 REMARK 465 GLY A 395 REMARK 465 LEU A 396 REMARK 465 GLN A 397 REMARK 465 SER A 398 REMARK 465 SER A 399 REMARK 465 ASN A 400 REMARK 465 SER A 401 REMARK 465 LEU A 402 REMARK 465 GLU A 403 REMARK 465 VAL A 404 REMARK 465 LEU A 405 REMARK 465 PHE A 406 REMARK 465 GLN A 407 REMARK 465 PRO B 377 REMARK 465 ASN B 378 REMARK 465 GLN B 379 REMARK 465 GLU B 380 REMARK 465 ASP B 381 REMARK 465 GLU B 382 REMARK 465 GLU B 383 REMARK 465 ASP B 384 REMARK 465 ALA B 385 REMARK 465 HIS B 386 REMARK 465 ALA B 387 REMARK 465 GLY B 388 REMARK 465 ILE B 389 REMARK 465 ILE B 390 REMARK 465 GLY B 391 REMARK 465 ARG B 392 REMARK 465 PHE B 393 REMARK 465 LEU B 394 REMARK 465 GLY B 395 REMARK 465 LEU B 396 REMARK 465 GLN B 397 REMARK 465 SER B 398 REMARK 465 SER B 399 REMARK 465 ASN B 400 REMARK 465 SER B 401 REMARK 465 LEU B 402 REMARK 465 GLU B 403 REMARK 465 VAL B 404 REMARK 465 LEU B 405 REMARK 465 PHE B 406 REMARK 465 GLN B 407 REMARK 465 GLN C 376 REMARK 465 PRO C 377 REMARK 465 ASN C 378 REMARK 465 GLN C 379 REMARK 465 GLU C 380 REMARK 465 ASP C 381 REMARK 465 GLU C 382 REMARK 465 GLU C 383 REMARK 465 ASP C 384 REMARK 465 ALA C 385 REMARK 465 HIS C 386 REMARK 465 ALA C 387 REMARK 465 GLY C 388 REMARK 465 ILE C 389 REMARK 465 ILE C 390 REMARK 465 GLY C 391 REMARK 465 ARG C 392 REMARK 465 PHE C 393 REMARK 465 LEU C 394 REMARK 465 GLY C 395 REMARK 465 LEU C 396 REMARK 465 GLN C 397 REMARK 465 SER C 398 REMARK 465 SER C 399 REMARK 465 ASN C 400 REMARK 465 SER C 401 REMARK 465 LEU C 402 REMARK 465 GLU C 403 REMARK 465 VAL C 404 REMARK 465 LEU C 405 REMARK 465 PHE C 406 REMARK 465 GLN C 407 REMARK 465 PRO D 377 REMARK 465 ASN D 378 REMARK 465 GLN D 379 REMARK 465 GLU D 380 REMARK 465 ASP D 381 REMARK 465 GLU D 382 REMARK 465 GLU D 383 REMARK 465 ASP D 384 REMARK 465 ALA D 385 REMARK 465 HIS D 386 REMARK 465 ALA D 387 REMARK 465 GLY D 388 REMARK 465 ILE D 389 REMARK 465 ILE D 390 REMARK 465 GLY D 391 REMARK 465 ARG D 392 REMARK 465 PHE D 393 REMARK 465 LEU D 394 REMARK 465 GLY D 395 REMARK 465 LEU D 396 REMARK 465 GLN D 397 REMARK 465 SER D 398 REMARK 465 SER D 399 REMARK 465 ASN D 400 REMARK 465 SER D 401 REMARK 465 LEU D 402 REMARK 465 GLU D 403 REMARK 465 VAL D 404 REMARK 465 LEU D 405 REMARK 465 PHE D 406 REMARK 465 GLN D 407 REMARK 465 ASN E 378 REMARK 465 GLN E 379 REMARK 465 GLU E 380 REMARK 465 ASP E 381 REMARK 465 GLU E 382 REMARK 465 GLU E 383 REMARK 465 ASP E 384 REMARK 465 ALA E 385 REMARK 465 HIS E 386 REMARK 465 ALA E 387 REMARK 465 GLY E 388 REMARK 465 ILE E 389 REMARK 465 ILE E 390 REMARK 465 GLY E 391 REMARK 465 ARG E 392 REMARK 465 PHE E 393 REMARK 465 LEU E 394 REMARK 465 GLY E 395 REMARK 465 LEU E 396 REMARK 465 GLN E 397 REMARK 465 SER E 398 REMARK 465 SER E 399 REMARK 465 ASN E 400 REMARK 465 SER E 401 REMARK 465 LEU E 402 REMARK 465 GLU E 403 REMARK 465 VAL E 404 REMARK 465 LEU E 405 REMARK 465 PHE E 406 REMARK 465 GLN E 407 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 GLU A 56 CG CD OE1 OE2 REMARK 470 ASP A 70 CG OD1 OD2 REMARK 470 GLU A 119 CG CD OE1 OE2 REMARK 470 GLN A 120 CG CD OE1 NE2 REMARK 470 LYS A 169 CG CD CE NZ REMARK 470 GLU A 172 CG CD OE1 OE2 REMARK 470 LYS A 173 CG CD CE NZ REMARK 470 GLU A 268 CG CD OE1 OE2 REMARK 470 ARG A 331 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 342 CG CD OE1 OE2 REMARK 470 GLN A 344 CG CD OE1 NE2 REMARK 470 PHE A 364 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ASN A 365 CG OD1 ND2 REMARK 470 SER A 367 OG REMARK 470 LYS A 370 CG CD CE NZ REMARK 470 GLU B 56 CG CD OE1 OE2 REMARK 470 GLU B 57 CG CD OE1 OE2 REMARK 470 ASP B 70 CG OD1 OD2 REMARK 470 GLU B 119 CG CD OE1 OE2 REMARK 470 GLN B 120 CG CD OE1 NE2 REMARK 470 THR B 127 OG1 CG2 REMARK 470 LYS B 169 CG CD CE NZ REMARK 470 GLU B 172 CG CD OE1 OE2 REMARK 470 LYS B 173 CG CD CE NZ REMARK 470 LYS B 262 CG CD CE NZ REMARK 470 GLU B 268 CG CD OE1 OE2 REMARK 470 ARG B 331 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 340 CG CD CE NZ REMARK 470 GLU B 342 CG CD OE1 OE2 REMARK 470 GLN B 344 CG CD OE1 NE2 REMARK 470 PHE B 364 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ASN B 365 CG OD1 ND2 REMARK 470 SER B 367 OG REMARK 470 ASN B 369 CG OD1 ND2 REMARK 470 LYS B 370 CG CD CE NZ REMARK 470 GLU B 371 CG CD OE1 OE2 REMARK 470 GLU C 56 CG CD OE1 OE2 REMARK 470 GLU C 57 CG CD OE1 OE2 REMARK 470 GLN C 74 CG CD OE1 NE2 REMARK 470 GLU C 119 CG CD OE1 OE2 REMARK 470 GLN C 120 CG CD OE1 NE2 REMARK 470 LYS C 169 CG CD CE NZ REMARK 470 GLU C 172 CG CD OE1 OE2 REMARK 470 LYS C 173 CG CD CE NZ REMARK 470 LEU C 271 CG CD1 CD2 REMARK 470 ARG C 331 CG CD NE CZ NH1 NH2 REMARK 470 GLU C 342 CG CD OE1 OE2 REMARK 470 SER C 367 OG REMARK 470 LYS C 370 CG CD CE NZ REMARK 470 GLU C 371 CG CD OE1 OE2 REMARK 470 GLU C 374 CG CD OE1 OE2 REMARK 470 GLU D 57 CG CD OE1 OE2 REMARK 470 SER D 71 OG REMARK 470 GLU D 119 CG CD OE1 OE2 REMARK 470 GLN D 120 CG CD OE1 NE2 REMARK 470 LYS D 169 CG CD CE NZ REMARK 470 GLU D 172 CG CD OE1 OE2 REMARK 470 LYS D 173 CG CD CE NZ REMARK 470 GLU D 268 CG CD OE1 OE2 REMARK 470 GLU D 324 CG CD OE1 OE2 REMARK 470 ASN D 339 CG OD1 ND2 REMARK 470 LYS D 340 CG CD CE NZ REMARK 470 GLU D 342 CG CD OE1 OE2 REMARK 470 GLN D 344 CG CD OE1 NE2 REMARK 470 PHE D 364 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ASN D 365 CG OD1 ND2 REMARK 470 SER D 367 OG REMARK 470 ASN D 369 CG OD1 ND2 REMARK 470 LYS D 370 CG CD CE NZ REMARK 470 GLU D 371 CG CD OE1 OE2 REMARK 470 GLU D 374 CG CD OE1 OE2 REMARK 470 GLU E 56 CG CD OE1 OE2 REMARK 470 GLU E 57 CG CD OE1 OE2 REMARK 470 GLN E 74 CG CD OE1 NE2 REMARK 470 GLU E 119 CG CD OE1 OE2 REMARK 470 GLN E 120 CG CD OE1 NE2 REMARK 470 LYS E 169 CG CD CE NZ REMARK 470 LYS E 173 CG CD CE NZ REMARK 470 ARG E 331 CG CD NE CZ NH1 NH2 REMARK 470 LYS E 340 CG CD CE NZ REMARK 470 GLU E 342 CG CD OE1 OE2 REMARK 470 ARG E 356 CG CD NE CZ NH1 NH2 REMARK 470 PHE E 364 CG CD1 CD2 CE1 CE2 CZ REMARK 470 SER E 367 OG REMARK 470 LYS E 370 CG CD CE NZ REMARK 470 GLU E 371 CG CD OE1 OE2 REMARK 470 GLN E 376 CG CD OE1 NE2 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 PRO A 177 47.70 -75.12 REMARK 500 VAL A 272 -60.48 64.64 REMARK 500 TYR A 337 41.67 -109.43 REMARK 500 PRO B 177 45.16 -75.61 REMARK 500 MET B 180 30.10 -97.49 REMARK 500 ASP B 323 -60.26 -100.88 REMARK 500 PRO C 177 45.05 -76.82 REMARK 500 MET C 180 30.57 -98.96 REMARK 500 VAL C 272 -60.81 65.33 REMARK 500 ASP C 323 -60.94 -101.30 REMARK 500 PRO D 177 45.01 -77.16 REMARK 500 VAL D 272 -59.19 63.94 REMARK 500 ASP D 323 -61.31 -101.02 REMARK 500 TYR D 337 35.75 -99.88 REMARK 500 VAL E 272 -62.37 63.47 REMARK 500 ASP E 323 -60.85 -101.03 REMARK 500 TYR E 337 36.21 -99.66 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 CA B 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 10 O REMARK 620 2 GLN B 293 O 148.8 REMARK 620 3 ASN B 296 O 90.9 92.8 REMARK 620 4 ASP B 301 OD2 87.3 90.5 176.1 REMARK 620 5 ASP B 304 OD1 136.5 74.5 90.2 88.7 REMARK 620 6 ASP B 304 OD2 88.7 122.2 90.9 85.5 47.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 293 O REMARK 620 2 ASN A 296 O 92.7 REMARK 620 3 ASP A 301 OD2 88.9 175.7 REMARK 620 4 ASP A 304 OD1 72.1 89.0 87.8 REMARK 620 5 ASP A 304 OD2 120.5 90.8 85.0 48.5 REMARK 620 6 ALA E 10 O 150.7 92.8 87.7 136.7 88.2 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA C 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA B 10 O REMARK 620 2 GLN C 293 O 154.1 REMARK 620 3 ASN C 296 O 89.4 92.2 REMARK 620 4 ASP C 301 OD2 89.2 91.6 173.9 REMARK 620 5 ASP C 304 OD1 135.5 70.4 88.1 88.7 REMARK 620 6 ASP C 304 OD2 87.5 118.4 87.9 86.1 48.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA D 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA C 10 O REMARK 620 2 GLN D 293 O 150.6 REMARK 620 3 ASN D 296 O 88.0 95.5 REMARK 620 4 ASP D 301 OD2 90.0 87.9 176.0 REMARK 620 5 ASP D 304 OD1 134.0 75.3 88.8 90.1 REMARK 620 6 ASP D 304 OD2 85.8 123.1 91.8 84.6 48.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA E 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA D 10 O REMARK 620 2 GLN E 293 O 155.5 REMARK 620 3 ASN E 296 O 93.0 92.3 REMARK 620 4 ASP E 301 OD2 88.5 89.9 171.4 REMARK 620 5 ASP E 304 OD1 135.4 68.8 86.3 86.7 REMARK 620 6 ASP E 304 OD2 88.4 115.8 86.9 84.7 47.0 REMARK 620 N 1 2 3 4 5 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 9EFZ RELATED DB: PDB REMARK 900 CHICKEN BEST1 BOUND TO GABA IN AN OPEN STATE REMARK 900 RELATED ID: 9EGT RELATED DB: PDB REMARK 900 HUMAN BEST1 IN AN OPEN STATE REMARK 900 RELATED ID: 9EGS RELATED DB: PDB REMARK 900 HUMAN BEST1 IN AN INACTIVATED STATE REMARK 900 RELATED ID: 9EGM RELATED DB: PDB REMARK 900 HUMAN BEST1 BOUND TO GABA IN AN OPEN STATE REMARK 900 RELATED ID: EMD-47995 RELATED DB: EMDB REMARK 900 HUMAN BEST1 BOUND TO GABA IN AN INTERMEDIATE STATE DBREF 9EGQ A 2 398 UNP O76090 BEST1_HUMAN 2 398 DBREF 9EGQ B 2 398 UNP O76090 BEST1_HUMAN 2 398 DBREF 9EGQ C 2 398 UNP O76090 BEST1_HUMAN 2 398 DBREF 9EGQ D 2 398 UNP O76090 BEST1_HUMAN 2 398 DBREF 9EGQ E 2 398 UNP O76090 BEST1_HUMAN 2 398 SEQADV 9EGQ SER A 399 UNP O76090 EXPRESSION TAG SEQADV 9EGQ ASN A 400 UNP O76090 EXPRESSION TAG SEQADV 9EGQ SER A 401 UNP O76090 EXPRESSION TAG SEQADV 9EGQ LEU A 402 UNP O76090 EXPRESSION TAG SEQADV 9EGQ GLU A 403 UNP O76090 EXPRESSION TAG SEQADV 9EGQ VAL A 404 UNP O76090 EXPRESSION TAG SEQADV 9EGQ LEU A 405 UNP O76090 EXPRESSION TAG SEQADV 9EGQ PHE A 406 UNP O76090 EXPRESSION TAG SEQADV 9EGQ GLN A 407 UNP O76090 EXPRESSION TAG SEQADV 9EGQ SER B 399 UNP O76090 EXPRESSION TAG SEQADV 9EGQ ASN B 400 UNP O76090 EXPRESSION TAG SEQADV 9EGQ SER B 401 UNP O76090 EXPRESSION TAG SEQADV 9EGQ LEU B 402 UNP O76090 EXPRESSION TAG SEQADV 9EGQ GLU B 403 UNP O76090 EXPRESSION TAG SEQADV 9EGQ VAL B 404 UNP O76090 EXPRESSION TAG SEQADV 9EGQ LEU B 405 UNP O76090 EXPRESSION TAG SEQADV 9EGQ PHE B 406 UNP O76090 EXPRESSION TAG SEQADV 9EGQ GLN B 407 UNP O76090 EXPRESSION TAG SEQADV 9EGQ SER C 399 UNP O76090 EXPRESSION TAG SEQADV 9EGQ ASN C 400 UNP O76090 EXPRESSION TAG SEQADV 9EGQ SER C 401 UNP O76090 EXPRESSION TAG SEQADV 9EGQ LEU C 402 UNP O76090 EXPRESSION TAG SEQADV 9EGQ GLU C 403 UNP O76090 EXPRESSION TAG SEQADV 9EGQ VAL C 404 UNP O76090 EXPRESSION TAG SEQADV 9EGQ LEU C 405 UNP O76090 EXPRESSION TAG SEQADV 9EGQ PHE C 406 UNP O76090 EXPRESSION TAG SEQADV 9EGQ GLN C 407 UNP O76090 EXPRESSION TAG SEQADV 9EGQ SER D 399 UNP O76090 EXPRESSION TAG SEQADV 9EGQ ASN D 400 UNP O76090 EXPRESSION TAG SEQADV 9EGQ SER D 401 UNP O76090 EXPRESSION TAG SEQADV 9EGQ LEU D 402 UNP O76090 EXPRESSION TAG SEQADV 9EGQ GLU D 403 UNP O76090 EXPRESSION TAG SEQADV 9EGQ VAL D 404 UNP O76090 EXPRESSION TAG SEQADV 9EGQ LEU D 405 UNP O76090 EXPRESSION TAG SEQADV 9EGQ PHE D 406 UNP O76090 EXPRESSION TAG SEQADV 9EGQ GLN D 407 UNP O76090 EXPRESSION TAG SEQADV 9EGQ SER E 399 UNP O76090 EXPRESSION TAG SEQADV 9EGQ ASN E 400 UNP O76090 EXPRESSION TAG SEQADV 9EGQ SER E 401 UNP O76090 EXPRESSION TAG SEQADV 9EGQ LEU E 402 UNP O76090 EXPRESSION TAG SEQADV 9EGQ GLU E 403 UNP O76090 EXPRESSION TAG SEQADV 9EGQ VAL E 404 UNP O76090 EXPRESSION TAG SEQADV 9EGQ LEU E 405 UNP O76090 EXPRESSION TAG SEQADV 9EGQ PHE E 406 UNP O76090 EXPRESSION TAG SEQADV 9EGQ GLN E 407 UNP O76090 EXPRESSION TAG SEQRES 1 A 406 THR ILE THR TYR THR SER GLN VAL ALA ASN ALA ARG LEU SEQRES 2 A 406 GLY SER PHE SER ARG LEU LEU LEU CYS TRP ARG GLY SER SEQRES 3 A 406 ILE TYR LYS LEU LEU TYR GLY GLU PHE LEU ILE PHE LEU SEQRES 4 A 406 LEU CYS TYR TYR ILE ILE ARG PHE ILE TYR ARG LEU ALA SEQRES 5 A 406 LEU THR GLU GLU GLN GLN LEU MET PHE GLU LYS LEU THR SEQRES 6 A 406 LEU TYR CYS ASP SER TYR ILE GLN LEU ILE PRO ILE SER SEQRES 7 A 406 PHE VAL LEU GLY PHE TYR VAL THR LEU VAL VAL THR ARG SEQRES 8 A 406 TRP TRP ASN GLN TYR GLU ASN LEU PRO TRP PRO ASP ARG SEQRES 9 A 406 LEU MET SER LEU VAL SER GLY PHE VAL GLU GLY LYS ASP SEQRES 10 A 406 GLU GLN GLY ARG LEU LEU ARG ARG THR LEU ILE ARG TYR SEQRES 11 A 406 ALA ASN LEU GLY ASN VAL LEU ILE LEU ARG SER VAL SER SEQRES 12 A 406 THR ALA VAL TYR LYS ARG PHE PRO SER ALA GLN HIS LEU SEQRES 13 A 406 VAL GLN ALA GLY PHE MET THR PRO ALA GLU HIS LYS GLN SEQRES 14 A 406 LEU GLU LYS LEU SER LEU PRO HIS ASN MET PHE TRP VAL SEQRES 15 A 406 PRO TRP VAL TRP PHE ALA ASN LEU SER MET LYS ALA TRP SEQRES 16 A 406 LEU GLY GLY ARG ILE ARG ASP PRO ILE LEU LEU GLN SER SEQRES 17 A 406 LEU LEU ASN GLU MET ASN THR LEU ARG THR GLN CYS GLY SEQRES 18 A 406 HIS LEU TYR ALA TYR ASP TRP ILE SER ILE PRO LEU VAL SEQRES 19 A 406 TYR THR GLN VAL VAL THR VAL ALA VAL TYR SER PHE PHE SEQRES 20 A 406 LEU THR CYS LEU VAL GLY ARG GLN PHE LEU ASN PRO ALA SEQRES 21 A 406 LYS ALA TYR PRO GLY HIS GLU LEU ASP LEU VAL VAL PRO SEQRES 22 A 406 VAL PHE THR PHE LEU GLN PHE PHE PHE TYR VAL GLY TRP SEQRES 23 A 406 LEU LYS VAL ALA GLU GLN LEU ILE ASN PRO PHE GLY GLU SEQRES 24 A 406 ASP ASP ASP ASP PHE GLU THR ASN TRP ILE VAL ASP ARG SEQRES 25 A 406 ASN LEU GLN VAL SER LEU LEU ALA VAL ASP GLU MET HIS SEQRES 26 A 406 GLN ASP LEU PRO ARG MET GLU PRO ASP MET TYR TRP ASN SEQRES 27 A 406 LYS PRO GLU PRO GLN PRO PRO TYR THR ALA ALA SER ALA SEQRES 28 A 406 GLN PHE ARG ARG ALA SER PHE MET GLY SER THR PHE ASN SEQRES 29 A 406 ILE SER LEU ASN LYS GLU GLU MET GLU PHE GLN PRO ASN SEQRES 30 A 406 GLN GLU ASP GLU GLU ASP ALA HIS ALA GLY ILE ILE GLY SEQRES 31 A 406 ARG PHE LEU GLY LEU GLN SER SER ASN SER LEU GLU VAL SEQRES 32 A 406 LEU PHE GLN SEQRES 1 B 406 THR ILE THR TYR THR SER GLN VAL ALA ASN ALA ARG LEU SEQRES 2 B 406 GLY SER PHE SER ARG LEU LEU LEU CYS TRP ARG GLY SER SEQRES 3 B 406 ILE TYR LYS LEU LEU TYR GLY GLU PHE LEU ILE PHE LEU SEQRES 4 B 406 LEU CYS TYR TYR ILE ILE ARG PHE ILE TYR ARG LEU ALA SEQRES 5 B 406 LEU THR GLU GLU GLN GLN LEU MET PHE GLU LYS LEU THR SEQRES 6 B 406 LEU TYR CYS ASP SER TYR ILE GLN LEU ILE PRO ILE SER SEQRES 7 B 406 PHE VAL LEU GLY PHE TYR VAL THR LEU VAL VAL THR ARG SEQRES 8 B 406 TRP TRP ASN GLN TYR GLU ASN LEU PRO TRP PRO ASP ARG SEQRES 9 B 406 LEU MET SER LEU VAL SER GLY PHE VAL GLU GLY LYS ASP SEQRES 10 B 406 GLU GLN GLY ARG LEU LEU ARG ARG THR LEU ILE ARG TYR SEQRES 11 B 406 ALA ASN LEU GLY ASN VAL LEU ILE LEU ARG SER VAL SER SEQRES 12 B 406 THR ALA VAL TYR LYS ARG PHE PRO SER ALA GLN HIS LEU SEQRES 13 B 406 VAL GLN ALA GLY PHE MET THR PRO ALA GLU HIS LYS GLN SEQRES 14 B 406 LEU GLU LYS LEU SER LEU PRO HIS ASN MET PHE TRP VAL SEQRES 15 B 406 PRO TRP VAL TRP PHE ALA ASN LEU SER MET LYS ALA TRP SEQRES 16 B 406 LEU GLY GLY ARG ILE ARG ASP PRO ILE LEU LEU GLN SER SEQRES 17 B 406 LEU LEU ASN GLU MET ASN THR LEU ARG THR GLN CYS GLY SEQRES 18 B 406 HIS LEU TYR ALA TYR ASP TRP ILE SER ILE PRO LEU VAL SEQRES 19 B 406 TYR THR GLN VAL VAL THR VAL ALA VAL TYR SER PHE PHE SEQRES 20 B 406 LEU THR CYS LEU VAL GLY ARG GLN PHE LEU ASN PRO ALA SEQRES 21 B 406 LYS ALA TYR PRO GLY HIS GLU LEU ASP LEU VAL VAL PRO SEQRES 22 B 406 VAL PHE THR PHE LEU GLN PHE PHE PHE TYR VAL GLY TRP SEQRES 23 B 406 LEU LYS VAL ALA GLU GLN LEU ILE ASN PRO PHE GLY GLU SEQRES 24 B 406 ASP ASP ASP ASP PHE GLU THR ASN TRP ILE VAL ASP ARG SEQRES 25 B 406 ASN LEU GLN VAL SER LEU LEU ALA VAL ASP GLU MET HIS SEQRES 26 B 406 GLN ASP LEU PRO ARG MET GLU PRO ASP MET TYR TRP ASN SEQRES 27 B 406 LYS PRO GLU PRO GLN PRO PRO TYR THR ALA ALA SER ALA SEQRES 28 B 406 GLN PHE ARG ARG ALA SER PHE MET GLY SER THR PHE ASN SEQRES 29 B 406 ILE SER LEU ASN LYS GLU GLU MET GLU PHE GLN PRO ASN SEQRES 30 B 406 GLN GLU ASP GLU GLU ASP ALA HIS ALA GLY ILE ILE GLY SEQRES 31 B 406 ARG PHE LEU GLY LEU GLN SER SER ASN SER LEU GLU VAL SEQRES 32 B 406 LEU PHE GLN SEQRES 1 C 406 THR ILE THR TYR THR SER GLN VAL ALA ASN ALA ARG LEU SEQRES 2 C 406 GLY SER PHE SER ARG LEU LEU LEU CYS TRP ARG GLY SER SEQRES 3 C 406 ILE TYR LYS LEU LEU TYR GLY GLU PHE LEU ILE PHE LEU SEQRES 4 C 406 LEU CYS TYR TYR ILE ILE ARG PHE ILE TYR ARG LEU ALA SEQRES 5 C 406 LEU THR GLU GLU GLN GLN LEU MET PHE GLU LYS LEU THR SEQRES 6 C 406 LEU TYR CYS ASP SER TYR ILE GLN LEU ILE PRO ILE SER SEQRES 7 C 406 PHE VAL LEU GLY PHE TYR VAL THR LEU VAL VAL THR ARG SEQRES 8 C 406 TRP TRP ASN GLN TYR GLU ASN LEU PRO TRP PRO ASP ARG SEQRES 9 C 406 LEU MET SER LEU VAL SER GLY PHE VAL GLU GLY LYS ASP SEQRES 10 C 406 GLU GLN GLY ARG LEU LEU ARG ARG THR LEU ILE ARG TYR SEQRES 11 C 406 ALA ASN LEU GLY ASN VAL LEU ILE LEU ARG SER VAL SER SEQRES 12 C 406 THR ALA VAL TYR LYS ARG PHE PRO SER ALA GLN HIS LEU SEQRES 13 C 406 VAL GLN ALA GLY PHE MET THR PRO ALA GLU HIS LYS GLN SEQRES 14 C 406 LEU GLU LYS LEU SER LEU PRO HIS ASN MET PHE TRP VAL SEQRES 15 C 406 PRO TRP VAL TRP PHE ALA ASN LEU SER MET LYS ALA TRP SEQRES 16 C 406 LEU GLY GLY ARG ILE ARG ASP PRO ILE LEU LEU GLN SER SEQRES 17 C 406 LEU LEU ASN GLU MET ASN THR LEU ARG THR GLN CYS GLY SEQRES 18 C 406 HIS LEU TYR ALA TYR ASP TRP ILE SER ILE PRO LEU VAL SEQRES 19 C 406 TYR THR GLN VAL VAL THR VAL ALA VAL TYR SER PHE PHE SEQRES 20 C 406 LEU THR CYS LEU VAL GLY ARG GLN PHE LEU ASN PRO ALA SEQRES 21 C 406 LYS ALA TYR PRO GLY HIS GLU LEU ASP LEU VAL VAL PRO SEQRES 22 C 406 VAL PHE THR PHE LEU GLN PHE PHE PHE TYR VAL GLY TRP SEQRES 23 C 406 LEU LYS VAL ALA GLU GLN LEU ILE ASN PRO PHE GLY GLU SEQRES 24 C 406 ASP ASP ASP ASP PHE GLU THR ASN TRP ILE VAL ASP ARG SEQRES 25 C 406 ASN LEU GLN VAL SER LEU LEU ALA VAL ASP GLU MET HIS SEQRES 26 C 406 GLN ASP LEU PRO ARG MET GLU PRO ASP MET TYR TRP ASN SEQRES 27 C 406 LYS PRO GLU PRO GLN PRO PRO TYR THR ALA ALA SER ALA SEQRES 28 C 406 GLN PHE ARG ARG ALA SER PHE MET GLY SER THR PHE ASN SEQRES 29 C 406 ILE SER LEU ASN LYS GLU GLU MET GLU PHE GLN PRO ASN SEQRES 30 C 406 GLN GLU ASP GLU GLU ASP ALA HIS ALA GLY ILE ILE GLY SEQRES 31 C 406 ARG PHE LEU GLY LEU GLN SER SER ASN SER LEU GLU VAL SEQRES 32 C 406 LEU PHE GLN SEQRES 1 D 406 THR ILE THR TYR THR SER GLN VAL ALA ASN ALA ARG LEU SEQRES 2 D 406 GLY SER PHE SER ARG LEU LEU LEU CYS TRP ARG GLY SER SEQRES 3 D 406 ILE TYR LYS LEU LEU TYR GLY GLU PHE LEU ILE PHE LEU SEQRES 4 D 406 LEU CYS TYR TYR ILE ILE ARG PHE ILE TYR ARG LEU ALA SEQRES 5 D 406 LEU THR GLU GLU GLN GLN LEU MET PHE GLU LYS LEU THR SEQRES 6 D 406 LEU TYR CYS ASP SER TYR ILE GLN LEU ILE PRO ILE SER SEQRES 7 D 406 PHE VAL LEU GLY PHE TYR VAL THR LEU VAL VAL THR ARG SEQRES 8 D 406 TRP TRP ASN GLN TYR GLU ASN LEU PRO TRP PRO ASP ARG SEQRES 9 D 406 LEU MET SER LEU VAL SER GLY PHE VAL GLU GLY LYS ASP SEQRES 10 D 406 GLU GLN GLY ARG LEU LEU ARG ARG THR LEU ILE ARG TYR SEQRES 11 D 406 ALA ASN LEU GLY ASN VAL LEU ILE LEU ARG SER VAL SER SEQRES 12 D 406 THR ALA VAL TYR LYS ARG PHE PRO SER ALA GLN HIS LEU SEQRES 13 D 406 VAL GLN ALA GLY PHE MET THR PRO ALA GLU HIS LYS GLN SEQRES 14 D 406 LEU GLU LYS LEU SER LEU PRO HIS ASN MET PHE TRP VAL SEQRES 15 D 406 PRO TRP VAL TRP PHE ALA ASN LEU SER MET LYS ALA TRP SEQRES 16 D 406 LEU GLY GLY ARG ILE ARG ASP PRO ILE LEU LEU GLN SER SEQRES 17 D 406 LEU LEU ASN GLU MET ASN THR LEU ARG THR GLN CYS GLY SEQRES 18 D 406 HIS LEU TYR ALA TYR ASP TRP ILE SER ILE PRO LEU VAL SEQRES 19 D 406 TYR THR GLN VAL VAL THR VAL ALA VAL TYR SER PHE PHE SEQRES 20 D 406 LEU THR CYS LEU VAL GLY ARG GLN PHE LEU ASN PRO ALA SEQRES 21 D 406 LYS ALA TYR PRO GLY HIS GLU LEU ASP LEU VAL VAL PRO SEQRES 22 D 406 VAL PHE THR PHE LEU GLN PHE PHE PHE TYR VAL GLY TRP SEQRES 23 D 406 LEU LYS VAL ALA GLU GLN LEU ILE ASN PRO PHE GLY GLU SEQRES 24 D 406 ASP ASP ASP ASP PHE GLU THR ASN TRP ILE VAL ASP ARG SEQRES 25 D 406 ASN LEU GLN VAL SER LEU LEU ALA VAL ASP GLU MET HIS SEQRES 26 D 406 GLN ASP LEU PRO ARG MET GLU PRO ASP MET TYR TRP ASN SEQRES 27 D 406 LYS PRO GLU PRO GLN PRO PRO TYR THR ALA ALA SER ALA SEQRES 28 D 406 GLN PHE ARG ARG ALA SER PHE MET GLY SER THR PHE ASN SEQRES 29 D 406 ILE SER LEU ASN LYS GLU GLU MET GLU PHE GLN PRO ASN SEQRES 30 D 406 GLN GLU ASP GLU GLU ASP ALA HIS ALA GLY ILE ILE GLY SEQRES 31 D 406 ARG PHE LEU GLY LEU GLN SER SER ASN SER LEU GLU VAL SEQRES 32 D 406 LEU PHE GLN SEQRES 1 E 406 THR ILE THR TYR THR SER GLN VAL ALA ASN ALA ARG LEU SEQRES 2 E 406 GLY SER PHE SER ARG LEU LEU LEU CYS TRP ARG GLY SER SEQRES 3 E 406 ILE TYR LYS LEU LEU TYR GLY GLU PHE LEU ILE PHE LEU SEQRES 4 E 406 LEU CYS TYR TYR ILE ILE ARG PHE ILE TYR ARG LEU ALA SEQRES 5 E 406 LEU THR GLU GLU GLN GLN LEU MET PHE GLU LYS LEU THR SEQRES 6 E 406 LEU TYR CYS ASP SER TYR ILE GLN LEU ILE PRO ILE SER SEQRES 7 E 406 PHE VAL LEU GLY PHE TYR VAL THR LEU VAL VAL THR ARG SEQRES 8 E 406 TRP TRP ASN GLN TYR GLU ASN LEU PRO TRP PRO ASP ARG SEQRES 9 E 406 LEU MET SER LEU VAL SER GLY PHE VAL GLU GLY LYS ASP SEQRES 10 E 406 GLU GLN GLY ARG LEU LEU ARG ARG THR LEU ILE ARG TYR SEQRES 11 E 406 ALA ASN LEU GLY ASN VAL LEU ILE LEU ARG SER VAL SER SEQRES 12 E 406 THR ALA VAL TYR LYS ARG PHE PRO SER ALA GLN HIS LEU SEQRES 13 E 406 VAL GLN ALA GLY PHE MET THR PRO ALA GLU HIS LYS GLN SEQRES 14 E 406 LEU GLU LYS LEU SER LEU PRO HIS ASN MET PHE TRP VAL SEQRES 15 E 406 PRO TRP VAL TRP PHE ALA ASN LEU SER MET LYS ALA TRP SEQRES 16 E 406 LEU GLY GLY ARG ILE ARG ASP PRO ILE LEU LEU GLN SER SEQRES 17 E 406 LEU LEU ASN GLU MET ASN THR LEU ARG THR GLN CYS GLY SEQRES 18 E 406 HIS LEU TYR ALA TYR ASP TRP ILE SER ILE PRO LEU VAL SEQRES 19 E 406 TYR THR GLN VAL VAL THR VAL ALA VAL TYR SER PHE PHE SEQRES 20 E 406 LEU THR CYS LEU VAL GLY ARG GLN PHE LEU ASN PRO ALA SEQRES 21 E 406 LYS ALA TYR PRO GLY HIS GLU LEU ASP LEU VAL VAL PRO SEQRES 22 E 406 VAL PHE THR PHE LEU GLN PHE PHE PHE TYR VAL GLY TRP SEQRES 23 E 406 LEU LYS VAL ALA GLU GLN LEU ILE ASN PRO PHE GLY GLU SEQRES 24 E 406 ASP ASP ASP ASP PHE GLU THR ASN TRP ILE VAL ASP ARG SEQRES 25 E 406 ASN LEU GLN VAL SER LEU LEU ALA VAL ASP GLU MET HIS SEQRES 26 E 406 GLN ASP LEU PRO ARG MET GLU PRO ASP MET TYR TRP ASN SEQRES 27 E 406 LYS PRO GLU PRO GLN PRO PRO TYR THR ALA ALA SER ALA SEQRES 28 E 406 GLN PHE ARG ARG ALA SER PHE MET GLY SER THR PHE ASN SEQRES 29 E 406 ILE SER LEU ASN LYS GLU GLU MET GLU PHE GLN PRO ASN SEQRES 30 E 406 GLN GLU ASP GLU GLU ASP ALA HIS ALA GLY ILE ILE GLY SEQRES 31 E 406 ARG PHE LEU GLY LEU GLN SER SER ASN SER LEU GLU VAL SEQRES 32 E 406 LEU PHE GLN HET CA A 501 1 HET CA B 501 1 HET ABU B 502 7 HET CA C 501 1 HET CA D 501 1 HET ABU D 502 7 HET CA E 501 1 HETNAM CA CALCIUM ION HETNAM ABU GAMMA-AMINO-BUTANOIC ACID HETSYN ABU GAMMA(AMINO)-BUTYRIC ACID FORMUL 6 CA 5(CA 2+) FORMUL 8 ABU 2(C4 H9 N O2) HELIX 1 AA1 THR A 6 ALA A 10 5 5 HELIX 2 AA2 PHE A 17 CYS A 23 5 7 HELIX 3 AA3 SER A 27 ALA A 53 1 27 HELIX 4 AA4 THR A 55 TYR A 72 1 18 HELIX 5 AA5 LEU A 75 ASN A 99 1 25 HELIX 6 AA6 PRO A 103 VAL A 114 1 12 HELIX 7 AA7 ASP A 118 SER A 144 1 27 HELIX 8 AA8 SER A 144 PHE A 151 1 8 HELIX 9 AA9 SER A 153 ALA A 160 1 8 HELIX 10 AB1 THR A 164 LEU A 174 1 11 HELIX 11 AB2 TRP A 182 GLY A 198 1 17 HELIX 12 AB3 ASP A 203 ILE A 230 1 28 HELIX 13 AB4 PRO A 233 ARG A 255 1 23 HELIX 14 AB5 ASN A 259 ALA A 263 5 5 HELIX 15 AB6 PRO A 274 ILE A 295 1 22 HELIX 16 AB7 GLU A 306 GLU A 324 1 19 HELIX 17 AB8 SER A 351 ARG A 355 5 5 HELIX 18 AB9 ASN A 369 MET A 373 5 5 HELIX 19 AC1 THR B 6 ALA B 10 5 5 HELIX 20 AC2 SER B 18 CYS B 23 5 6 HELIX 21 AC3 SER B 27 ALA B 53 1 27 HELIX 22 AC4 THR B 55 TYR B 72 1 18 HELIX 23 AC5 LEU B 75 ASN B 99 1 25 HELIX 24 AC6 PRO B 103 VAL B 114 1 12 HELIX 25 AC7 ASP B 118 SER B 144 1 27 HELIX 26 AC8 SER B 144 PHE B 151 1 8 HELIX 27 AC9 SER B 153 ALA B 160 1 8 HELIX 28 AD1 THR B 164 LEU B 174 1 11 HELIX 29 AD2 TRP B 182 GLY B 198 1 17 HELIX 30 AD3 ASP B 203 ILE B 230 1 28 HELIX 31 AD4 PRO B 233 ARG B 255 1 23 HELIX 32 AD5 ASN B 259 ALA B 263 5 5 HELIX 33 AD6 PRO B 274 ILE B 295 1 22 HELIX 34 AD7 GLU B 306 GLU B 324 1 19 HELIX 35 AD8 SER B 351 ARG B 355 5 5 HELIX 36 AD9 SER C 18 CYS C 23 5 6 HELIX 37 AE1 SER C 27 ALA C 53 1 27 HELIX 38 AE2 THR C 55 ILE C 73 1 19 HELIX 39 AE3 GLN C 74 ILE C 76 5 3 HELIX 40 AE4 SER C 79 ASN C 99 1 21 HELIX 41 AE5 PRO C 103 VAL C 114 1 12 HELIX 42 AE6 ASP C 118 SER C 144 1 27 HELIX 43 AE7 SER C 144 PHE C 151 1 8 HELIX 44 AE8 SER C 153 ALA C 160 1 8 HELIX 45 AE9 THR C 164 LEU C 174 1 11 HELIX 46 AF1 TRP C 182 GLY C 198 1 17 HELIX 47 AF2 ASP C 203 ILE C 230 1 28 HELIX 48 AF3 PRO C 233 ARG C 255 1 23 HELIX 49 AF4 ASN C 259 ALA C 263 5 5 HELIX 50 AF5 PRO C 274 ILE C 295 1 22 HELIX 51 AF6 GLU C 306 GLU C 324 1 19 HELIX 52 AF7 SER C 351 ARG C 355 5 5 HELIX 53 AF8 THR D 6 ALA D 10 5 5 HELIX 54 AF9 PHE D 17 CYS D 23 5 7 HELIX 55 AG1 SER D 27 ALA D 53 1 27 HELIX 56 AG2 THR D 55 SER D 71 1 17 HELIX 57 AG3 LEU D 75 ASN D 99 1 25 HELIX 58 AG4 PRO D 103 VAL D 114 1 12 HELIX 59 AG5 ASP D 118 SER D 144 1 27 HELIX 60 AG6 SER D 144 PHE D 151 1 8 HELIX 61 AG7 SER D 153 ALA D 160 1 8 HELIX 62 AG8 THR D 164 LEU D 174 1 11 HELIX 63 AG9 TRP D 182 GLY D 198 1 17 HELIX 64 AH1 ASP D 203 ILE D 230 1 28 HELIX 65 AH2 PRO D 233 ARG D 255 1 23 HELIX 66 AH3 ASN D 259 ALA D 263 5 5 HELIX 67 AH4 PRO D 274 ILE D 295 1 22 HELIX 68 AH5 GLU D 306 ASP D 323 1 18 HELIX 69 AH6 SER D 351 ARG D 355 5 5 HELIX 70 AH7 THR E 6 ALA E 10 5 5 HELIX 71 AH8 SER E 18 CYS E 23 5 6 HELIX 72 AH9 SER E 27 ALA E 53 1 27 HELIX 73 AI1 THR E 55 ILE E 73 1 19 HELIX 74 AI2 GLN E 74 ILE E 76 5 3 HELIX 75 AI3 PRO E 77 ASN E 99 1 23 HELIX 76 AI4 PRO E 103 VAL E 114 1 12 HELIX 77 AI5 ASP E 118 SER E 144 1 27 HELIX 78 AI6 SER E 144 PHE E 151 1 8 HELIX 79 AI7 SER E 153 ALA E 160 1 8 HELIX 80 AI8 THR E 164 LEU E 174 1 11 HELIX 81 AI9 TRP E 182 GLY E 198 1 17 HELIX 82 AJ1 ASP E 203 ILE E 230 1 28 HELIX 83 AJ2 PRO E 233 ARG E 255 1 23 HELIX 84 AJ3 ASN E 259 ALA E 263 5 5 HELIX 85 AJ4 PRO E 274 ILE E 295 1 22 HELIX 86 AJ5 GLU E 306 GLU E 324 1 19 HELIX 87 AJ6 SER E 351 ARG E 355 5 5 HELIX 88 AJ7 ASN E 369 GLU E 374 1 6 SHEET 1 AA1 2 PHE B 375 GLN B 376 0 SHEET 2 AA1 2 TYR C 347 THR C 348 -1 O TYR C 347 N GLN B 376 LINK O ALA A 10 CA CA B 501 1555 1555 2.46 LINK O GLN A 293 CA CA A 501 1555 1555 2.62 LINK O ASN A 296 CA CA A 501 1555 1555 2.35 LINK OD2 ASP A 301 CA CA A 501 1555 1555 2.50 LINK OD1 ASP A 304 CA CA A 501 1555 1555 2.84 LINK OD2 ASP A 304 CA CA A 501 1555 1555 2.38 LINK CA CA A 501 O ALA E 10 1555 1555 2.37 LINK O ALA B 10 CA CA C 501 1555 1555 2.43 LINK O GLN B 293 CA CA B 501 1555 1555 2.59 LINK O ASN B 296 CA CA B 501 1555 1555 2.32 LINK OD2 ASP B 301 CA CA B 501 1555 1555 2.42 LINK OD1 ASP B 304 CA CA B 501 1555 1555 2.86 LINK OD2 ASP B 304 CA CA B 501 1555 1555 2.48 LINK O ALA C 10 CA CA D 501 1555 1555 2.49 LINK O GLN C 293 CA CA C 501 1555 1555 2.60 LINK O ASN C 296 CA CA C 501 1555 1555 2.34 LINK OD2 ASP C 301 CA CA C 501 1555 1555 2.47 LINK OD1 ASP C 304 CA CA C 501 1555 1555 2.86 LINK OD2 ASP C 304 CA CA C 501 1555 1555 2.42 LINK O ALA D 10 CA CA E 501 1555 1555 2.39 LINK O GLN D 293 CA CA D 501 1555 1555 2.65 LINK O ASN D 296 CA CA D 501 1555 1555 2.33 LINK OD2 ASP D 301 CA CA D 501 1555 1555 2.45 LINK OD1 ASP D 304 CA CA D 501 1555 1555 2.78 LINK OD2 ASP D 304 CA CA D 501 1555 1555 2.52 LINK O GLN E 293 CA CA E 501 1555 1555 2.63 LINK O ASN E 296 CA CA E 501 1555 1555 2.32 LINK OD2 ASP E 301 CA CA E 501 1555 1555 2.44 LINK OD1 ASP E 304 CA CA E 501 1555 1555 2.93 LINK OD2 ASP E 304 CA CA E 501 1555 1555 2.44 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