HEADER SIGNALING PROTEIN/ANTAGONIST 17-SEP-13 4MR8 TITLE CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF HUMAN GABA(B) TITLE 2 RECEPTOR BOUND TO THE ANTAGONIST CGP35348 COMPND MOL_ID: 1; COMPND 2 MOLECULE: GAMMA-AMINOBUTYRIC ACID TYPE B RECEPTOR SUBUNIT 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: EXTRACELLULAR DOMAIN (SEE REMARK 999); COMPND 5 SYNONYM: GABA-B RECEPTOR 1, GABA-B-R1, GABA-BR1, GABABR1, GB1; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: GAMMA-AMINOBUTYRIC ACID TYPE B RECEPTOR SUBUNIT 2; COMPND 9 CHAIN: B; COMPND 10 FRAGMENT: EXTRACELLULAR DOMAIN (UNP RESIDUES 42-466); COMPND 11 SYNONYM: GABA-B RECEPTOR 2, GABA-B-R2, GABA-BR2, GABABR2, GB2, G- COMPND 12 PROTEIN COUPLED RECEPTOR 51, HG20; COMPND 13 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: GABBR1, GPRC3A; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: SF9; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PFBDM; SOURCE 12 MOL_ID: 2; SOURCE 13 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 14 ORGANISM_COMMON: HUMAN; SOURCE 15 ORGANISM_TAXID: 9606; SOURCE 16 GENE: GABBR2, GPR51, GPRC3B; SOURCE 17 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 18 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 19 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 20 EXPRESSION_SYSTEM_STRAIN: SF9; SOURCE 21 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 22 EXPRESSION_SYSTEM_PLASMID: PFBDM KEYWDS HETERODIMERIC PROTEIN COMPLEX, VENUS FLYTRAP MODULE, NEUROTRANSMITTER KEYWDS 2 RECEPTOR, SIGNALING PROTEIN-ANTAGONIST COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR Y.GENG,M.BUSH,L.MOSYAK,F.WANG,Q.R.FAN REVDAT 6 30-OCT-24 4MR8 1 REMARK REVDAT 5 20-SEP-23 4MR8 1 HETSYN REVDAT 4 29-JUL-20 4MR8 1 COMPND REMARK SEQADV HETNAM REVDAT 4 2 1 LINK SITE ATOM REVDAT 3 05-FEB-14 4MR8 1 JRNL REVDAT 2 18-DEC-13 4MR8 1 JRNL REVDAT 1 11-DEC-13 4MR8 0 JRNL AUTH Y.GENG,M.BUSH,L.MOSYAK,F.WANG,Q.R.FAN JRNL TITL STRUCTURAL MECHANISM OF LIGAND ACTIVATION IN HUMAN GABA(B) JRNL TITL 2 RECEPTOR. JRNL REF NATURE V. 504 254 2013 JRNL REFN ISSN 0028-0836 JRNL PMID 24305054 JRNL DOI 10.1038/NATURE12725 REMARK 2 REMARK 2 RESOLUTION. 2.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER-TNT REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SMART,VONRHEIN,WOMACK, REMARK 3 : MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 59.67 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 61654 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.210 REMARK 3 R VALUE (WORKING SET) : 0.209 REMARK 3 FREE R VALUE : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3081 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.15 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.21 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.09 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 4329 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2341 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4115 REMARK 3 BIN R VALUE (WORKING SET) : 0.2328 REMARK 3 BIN FREE R VALUE : 0.2590 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.94 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 214 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6485 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 126 REMARK 3 SOLVENT ATOMS : 474 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 48.23 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 53.26 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.21860 REMARK 3 B22 (A**2) : -11.23660 REMARK 3 B33 (A**2) : 8.01800 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 3.38940 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.303 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.208 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.161 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.208 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.163 REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.933 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.932 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 2305 ; 2.000 ; SINUSOIDAL REMARK 3 BOND ANGLES : 173 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 6792 ; 20.000 ; HARMONIC REMARK 3 TRIGONAL CARBON PLANES : 6792 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 8052 ; 4.000 ; SEMIHARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 9220 ; 2.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : NULL ; NULL ; NULL REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : NULL ; NULL ; NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.04 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.53 REMARK 3 OTHER TORSION ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4MR8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-SEP-13. REMARK 100 THE DEPOSITION ID IS D_1000082265. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-AUG-11 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 24-ID-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97949 REMARK 200 MONOCHROMATOR : CRYO-COOLED DOUBLE CRYSTAL REMARK 200 SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.16, XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 61684 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.150 REMARK 200 RESOLUTION RANGE LOW (A) : 112.749 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.03700 REMARK 200 R SYM (I) : 0.03700 REMARK 200 FOR THE DATA SET : 18.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.27 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.20 REMARK 200 R MERGE FOR SHELL (I) : 0.46200 REMARK 200 R SYM FOR SHELL (I) : 0.46200 REMARK 200 FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 4MQE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.12 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.01 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10% PEG3350, 20% GLYCEROL, 0.12 M REMARK 280 SODIUM ACETATE, PH 7.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 56.37500 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3320 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 35370 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 20.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 GLY A 369 REMARK 465 GLY A 370 REMARK 465 GLY A 371 REMARK 465 GLY A 372 REMARK 465 ARG A 373 REMARK 465 SER A 374 REMARK 465 GLY A 375 REMARK 465 VAL A 376 REMARK 465 ASP A 463 REMARK 465 ASP A 464 REMARK 465 ASP A 465 REMARK 465 ASP A 466 REMARK 465 LYS A 467 REMARK 465 TRP B 42 REMARK 465 ALA B 43 REMARK 465 ARG B 44 REMARK 465 GLY B 45 REMARK 465 ALA B 46 REMARK 465 PRO B 47 REMARK 465 ARG B 48 REMARK 465 PRO B 49 REMARK 465 PRO B 50 REMARK 465 PRO B 51 REMARK 465 SER B 52 REMARK 465 VAL B 293 REMARK 465 HIS B 294 REMARK 465 THR B 295 REMARK 465 GLU B 296 REMARK 465 ALA B 297 REMARK 465 ASN B 298 REMARK 465 SER B 299 REMARK 465 SER B 380 REMARK 465 ARG B 381 REMARK 465 HIS B 382 REMARK 465 GLN B 383 REMARK 465 ARG B 384 REMARK 465 TYR B 468 REMARK 465 LYS B 469 REMARK 465 ASP B 470 REMARK 465 ASP B 471 REMARK 465 ASP B 472 REMARK 465 ASP B 473 REMARK 465 LYS B 474 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 ND2 ASN B 126 O PHE B 388 1.49 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OD1 ASP A 91 NH1 ARG B 301 2444 2.05 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 ILE A 88 -80.66 -93.19 REMARK 500 LEU A 89 75.57 -117.98 REMARK 500 SER A 158 43.80 -99.36 REMARK 500 SER A 228 -39.94 -130.01 REMARK 500 SER A 400 97.36 -161.88 REMARK 500 LYS A 447 33.23 70.50 REMARK 500 PRO A 457 -156.36 -70.02 REMARK 500 VAL B 134 -60.02 -109.11 REMARK 500 GLN B 326 44.47 -80.77 REMARK 500 SER B 347 -119.27 55.78 REMARK 500 ASN B 407 90.59 -161.59 REMARK 500 ASP B 433 -63.50 63.80 REMARK 500 THR B 455 -61.59 -127.02 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4MQE RELATED DB: PDB REMARK 900 RELATED ID: 4MQF RELATED DB: PDB REMARK 900 RELATED ID: 4MR7 RELATED DB: PDB REMARK 900 RELATED ID: 4MR9 RELATED DB: PDB REMARK 900 RELATED ID: 4MRM RELATED DB: PDB REMARK 900 RELATED ID: 4MS1 RELATED DB: PDB REMARK 900 RELATED ID: 4MS3 RELATED DB: PDB REMARK 900 RELATED ID: 4MS4 RELATED DB: PDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 SUBUNIT 1 IS RESIDUES 48-459 OF ISOFORM 1B (UNP Q9UBS5-2). DBREF 4MR8 A 48 459 UNP Q9UBS5 GABR1_HUMAN 48 459 DBREF 4MR8 B 42 466 UNP O75899 GABR2_HUMAN 42 466 SEQADV 4MR8 ASP A 460 UNP Q9UBS5 EXPRESSION TAG SEQADV 4MR8 TYR A 461 UNP Q9UBS5 EXPRESSION TAG SEQADV 4MR8 LYS A 462 UNP Q9UBS5 EXPRESSION TAG SEQADV 4MR8 ASP A 463 UNP Q9UBS5 EXPRESSION TAG SEQADV 4MR8 ASP A 464 UNP Q9UBS5 EXPRESSION TAG SEQADV 4MR8 ASP A 465 UNP Q9UBS5 EXPRESSION TAG SEQADV 4MR8 ASP A 466 UNP Q9UBS5 EXPRESSION TAG SEQADV 4MR8 LYS A 467 UNP Q9UBS5 EXPRESSION TAG SEQADV 4MR8 ASP B 467 UNP O75899 EXPRESSION TAG SEQADV 4MR8 TYR B 468 UNP O75899 EXPRESSION TAG SEQADV 4MR8 LYS B 469 UNP O75899 EXPRESSION TAG SEQADV 4MR8 ASP B 470 UNP O75899 EXPRESSION TAG SEQADV 4MR8 ASP B 471 UNP O75899 EXPRESSION TAG SEQADV 4MR8 ASP B 472 UNP O75899 EXPRESSION TAG SEQADV 4MR8 ASP B 473 UNP O75899 EXPRESSION TAG SEQADV 4MR8 LYS B 474 UNP O75899 EXPRESSION TAG SEQRES 1 A 420 SER GLU ARG ARG ALA VAL TYR ILE GLY ALA LEU PHE PRO SEQRES 2 A 420 MET SER GLY GLY TRP PRO GLY GLY GLN ALA CYS GLN PRO SEQRES 3 A 420 ALA VAL GLU MET ALA LEU GLU ASP VAL ASN SER ARG ARG SEQRES 4 A 420 ASP ILE LEU PRO ASP TYR GLU LEU LYS LEU ILE HIS HIS SEQRES 5 A 420 ASP SER LYS CYS ASP PRO GLY GLN ALA THR LYS TYR LEU SEQRES 6 A 420 TYR GLU LEU LEU TYR ASN ASP PRO ILE LYS ILE ILE LEU SEQRES 7 A 420 MET PRO GLY CYS SER SER VAL SER THR LEU VAL ALA GLU SEQRES 8 A 420 ALA ALA ARG MET TRP ASN LEU ILE VAL LEU SER TYR GLY SEQRES 9 A 420 SER SER SER PRO ALA LEU SER ASN ARG GLN ARG PHE PRO SEQRES 10 A 420 THR PHE PHE ARG THR HIS PRO SER ALA THR LEU HIS ASN SEQRES 11 A 420 PRO THR ARG VAL LYS LEU PHE GLU LYS TRP GLY TRP LYS SEQRES 12 A 420 LYS ILE ALA THR ILE GLN GLN THR THR GLU VAL PHE THR SEQRES 13 A 420 SER THR LEU ASP ASP LEU GLU GLU ARG VAL LYS GLU ALA SEQRES 14 A 420 GLY ILE GLU ILE THR PHE ARG GLN SER PHE PHE SER ASP SEQRES 15 A 420 PRO ALA VAL PRO VAL LYS ASN LEU LYS ARG GLN ASP ALA SEQRES 16 A 420 ARG ILE ILE VAL GLY LEU PHE TYR GLU THR GLU ALA ARG SEQRES 17 A 420 LYS VAL PHE CYS GLU VAL TYR LYS GLU ARG LEU PHE GLY SEQRES 18 A 420 LYS LYS TYR VAL TRP PHE LEU ILE GLY TRP TYR ALA ASP SEQRES 19 A 420 ASN TRP PHE LYS ILE TYR ASP PRO SER ILE ASN CYS THR SEQRES 20 A 420 VAL ASP GLU MET THR GLU ALA VAL GLU GLY HIS ILE THR SEQRES 21 A 420 THR GLU ILE VAL MET LEU ASN PRO ALA ASN THR ARG SER SEQRES 22 A 420 ILE SER ASN MET THR SER GLN GLU PHE VAL GLU LYS LEU SEQRES 23 A 420 THR LYS ARG LEU LYS ARG HIS PRO GLU GLU THR GLY GLY SEQRES 24 A 420 PHE GLN GLU ALA PRO LEU ALA TYR ASP ALA ILE TRP ALA SEQRES 25 A 420 LEU ALA LEU ALA LEU ASN LYS THR SER GLY GLY GLY GLY SEQRES 26 A 420 ARG SER GLY VAL ARG LEU GLU ASP PHE ASN TYR ASN ASN SEQRES 27 A 420 GLN THR ILE THR ASP GLN ILE TYR ARG ALA MET ASN SER SEQRES 28 A 420 SER SER PHE GLU GLY VAL SER GLY HIS VAL VAL PHE ASP SEQRES 29 A 420 ALA SER GLY SER ARG MET ALA TRP THR LEU ILE GLU GLN SEQRES 30 A 420 LEU GLN GLY GLY SER TYR LYS LYS ILE GLY TYR TYR ASP SEQRES 31 A 420 SER THR LYS ASP ASP LEU SER TRP SER LYS THR ASP LYS SEQRES 32 A 420 TRP ILE GLY GLY SER PRO PRO ALA ASP ASP TYR LYS ASP SEQRES 33 A 420 ASP ASP ASP LYS SEQRES 1 B 433 TRP ALA ARG GLY ALA PRO ARG PRO PRO PRO SER SER PRO SEQRES 2 B 433 PRO LEU SER ILE MET GLY LEU MET PRO LEU THR LYS GLU SEQRES 3 B 433 VAL ALA LYS GLY SER ILE GLY ARG GLY VAL LEU PRO ALA SEQRES 4 B 433 VAL GLU LEU ALA ILE GLU GLN ILE ARG ASN GLU SER LEU SEQRES 5 B 433 LEU ARG PRO TYR PHE LEU ASP LEU ARG LEU TYR ASP THR SEQRES 6 B 433 GLU CYS ASP ASN ALA LYS GLY LEU LYS ALA PHE TYR ASP SEQRES 7 B 433 ALA ILE LYS TYR GLY PRO ASN HIS LEU MET VAL PHE GLY SEQRES 8 B 433 GLY VAL CYS PRO SER VAL THR SER ILE ILE ALA GLU SER SEQRES 9 B 433 LEU GLN GLY TRP ASN LEU VAL GLN LEU SER PHE ALA ALA SEQRES 10 B 433 THR THR PRO VAL LEU ALA ASP LYS LYS LYS TYR PRO TYR SEQRES 11 B 433 PHE PHE ARG THR VAL PRO SER ASP ASN ALA VAL ASN PRO SEQRES 12 B 433 ALA ILE LEU LYS LEU LEU LYS HIS TYR GLN TRP LYS ARG SEQRES 13 B 433 VAL GLY THR LEU THR GLN ASP VAL GLN ARG PHE SER GLU SEQRES 14 B 433 VAL ARG ASN ASP LEU THR GLY VAL LEU TYR GLY GLU ASP SEQRES 15 B 433 ILE GLU ILE SER ASP THR GLU SER PHE SER ASN ASP PRO SEQRES 16 B 433 CYS THR SER VAL LYS LYS LEU LYS GLY ASN ASP VAL ARG SEQRES 17 B 433 ILE ILE LEU GLY GLN PHE ASP GLN ASN MET ALA ALA LYS SEQRES 18 B 433 VAL PHE CYS CYS ALA TYR GLU GLU ASN MET TYR GLY SER SEQRES 19 B 433 LYS TYR GLN TRP ILE ILE PRO GLY TRP TYR GLU PRO SER SEQRES 20 B 433 TRP TRP GLU GLN VAL HIS THR GLU ALA ASN SER SER ARG SEQRES 21 B 433 CYS LEU ARG LYS ASN LEU LEU ALA ALA MET GLU GLY TYR SEQRES 22 B 433 ILE GLY VAL ASP PHE GLU PRO LEU SER SER LYS GLN ILE SEQRES 23 B 433 LYS THR ILE SER GLY LYS THR PRO GLN GLN TYR GLU ARG SEQRES 24 B 433 GLU TYR ASN ASN LYS ARG SER GLY VAL GLY PRO SER LYS SEQRES 25 B 433 PHE HIS GLY TYR ALA TYR ASP GLY ILE TRP VAL ILE ALA SEQRES 26 B 433 LYS THR LEU GLN ARG ALA MET GLU THR LEU HIS ALA SER SEQRES 27 B 433 SER ARG HIS GLN ARG ILE GLN ASP PHE ASN TYR THR ASP SEQRES 28 B 433 HIS THR LEU GLY ARG ILE ILE LEU ASN ALA MET ASN GLU SEQRES 29 B 433 THR ASN PHE PHE GLY VAL THR GLY GLN VAL VAL PHE ARG SEQRES 30 B 433 ASN GLY GLU ARG MET GLY THR ILE LYS PHE THR GLN PHE SEQRES 31 B 433 GLN ASP SER ARG GLU VAL LYS VAL GLY GLU TYR ASN ALA SEQRES 32 B 433 VAL ALA ASP THR LEU GLU ILE ILE ASN ASP THR ILE ARG SEQRES 33 B 433 PHE GLN GLY SER GLU PRO PRO LYS ASP ASP TYR LYS ASP SEQRES 34 B 433 ASP ASP ASP LYS MODRES 4MR8 ASN A 323 ASN GLYCOSYLATION SITE MODRES 4MR8 ASN B 404 ASN GLYCOSYLATION SITE MODRES 4MR8 ASN A 365 ASN GLYCOSYLATION SITE HET NAG C 1 14 HET NAG C 2 14 HET BMA C 3 11 HET BMA C 4 11 HET FUC C 5 10 HET NAG D 1 14 HET NAG D 2 14 HET FUC D 3 10 HET NAG A 506 14 HET 2BW A 507 14 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM BMA BETA-D-MANNOPYRANOSE HETNAM FUC ALPHA-L-FUCOPYRANOSE HETNAM 2BW (S)-(3-AMINOPROPYL)(DIETHOXYMETHYL)PHOSPHINIC ACID 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 HETSYN FUC ALPHA-L-FUCOSE; 6-DEOXY-ALPHA-L-GALACTOPYRANOSE; L- HETSYN 2 FUC FUCOSE; FUCOSE HETSYN 2BW CGP 35348 FORMUL 3 NAG 5(C8 H15 N O6) FORMUL 3 BMA 2(C6 H12 O6) FORMUL 3 FUC 2(C6 H12 O5) FORMUL 6 2BW C8 H20 N O4 P FORMUL 7 HOH *474(H2 O) HELIX 1 1 GLY A 67 ARG A 85 1 19 HELIX 2 2 ASP A 104 TYR A 117 1 14 HELIX 3 3 CYS A 129 ALA A 140 1 12 HELIX 4 4 ARG A 141 ASN A 144 5 4 HELIX 5 5 SER A 154 SER A 158 5 5 HELIX 6 6 SER A 172 THR A 174 5 3 HELIX 7 7 LEU A 175 GLY A 188 1 14 HELIX 8 8 THR A 199 ALA A 216 1 18 HELIX 9 9 PRO A 230 GLN A 240 1 11 HELIX 10 10 TYR A 250 GLU A 264 1 15 HELIX 11 11 THR A 294 GLU A 303 1 10 HELIX 12 12 THR A 325 LEU A 337 1 13 HELIX 13 13 HIS A 340 THR A 344 5 5 HELIX 14 14 GLU A 349 SER A 368 1 20 HELIX 15 15 ARG A 377 PHE A 381 5 5 HELIX 16 16 ASN A 385 SER A 398 1 14 HELIX 17 17 LYS B 70 GLU B 91 1 22 HELIX 18 18 ASP B 109 GLY B 124 1 16 HELIX 19 19 CYS B 135 LEU B 146 1 12 HELIX 20 20 GLN B 147 ASN B 150 5 4 HELIX 21 21 THR B 160 ASP B 165 5 6 HELIX 22 22 SER B 178 ASN B 180 5 3 HELIX 23 23 ALA B 181 TYR B 193 1 13 HELIX 24 24 VAL B 205 TYR B 220 1 16 HELIX 25 25 PRO B 236 ASN B 246 1 11 HELIX 26 26 ASP B 256 GLU B 270 1 15 HELIX 27 27 LEU B 303 GLU B 312 1 10 HELIX 28 28 THR B 334 SER B 347 1 14 HELIX 29 29 PHE B 354 SER B 379 1 26 HELIX 30 30 ASP B 392 GLU B 405 1 14 SHEET 1 A 5 TYR A 92 ASP A 100 0 SHEET 2 A 5 ARG A 51 PHE A 59 1 N VAL A 53 O LYS A 95 SHEET 3 A 5 LYS A 122 MET A 126 1 O ILE A 123 N TYR A 54 SHEET 4 A 5 ILE A 146 SER A 149 1 O LEU A 148 N LEU A 125 SHEET 5 A 5 PHE A 166 ARG A 168 1 O PHE A 167 N SER A 149 SHEET 1 B 8 GLU A 219 PHE A 226 0 SHEET 2 B 8 LYS A 191 GLN A 197 1 N THR A 194 O PHE A 222 SHEET 3 B 8 ILE A 244 LEU A 248 1 O VAL A 246 N ILE A 195 SHEET 4 B 8 VAL A 272 ILE A 276 1 O PHE A 274 N GLY A 247 SHEET 5 B 8 ILE A 306 ILE A 310 1 O ILE A 306 N TRP A 273 SHEET 6 B 8 TRP A 419 LEU A 425 -1 O LEU A 421 N GLU A 309 SHEET 7 B 8 TYR A 430 ASP A 437 -1 O GLY A 434 N ILE A 422 SHEET 8 B 8 ASP A 442 TRP A 445 -1 O SER A 444 N TYR A 435 SHEET 1 C 2 PHE A 401 GLY A 403 0 SHEET 2 C 2 GLY A 406 VAL A 408 -1 O VAL A 408 N PHE A 401 SHEET 1 D 5 PHE B 98 ASP B 105 0 SHEET 2 D 5 PRO B 55 MET B 62 1 N GLY B 60 O ARG B 102 SHEET 3 D 5 HIS B 127 GLY B 132 1 O LEU B 128 N SER B 57 SHEET 4 D 5 VAL B 152 SER B 155 1 O VAL B 152 N VAL B 130 SHEET 5 D 5 PHE B 172 ARG B 174 1 O PHE B 173 N SER B 155 SHEET 1 E 8 GLU B 225 PHE B 232 0 SHEET 2 E 8 ARG B 197 GLN B 203 1 N VAL B 198 O GLU B 225 SHEET 3 E 8 ILE B 250 GLN B 254 1 O LEU B 252 N GLY B 199 SHEET 4 E 8 GLN B 278 PRO B 282 1 O ILE B 280 N GLY B 253 SHEET 5 E 8 ILE B 315 PHE B 319 1 O ILE B 315 N TRP B 279 SHEET 6 E 8 THR B 425 GLN B 432 -1 O LYS B 427 N ASP B 318 SHEET 7 E 8 ARG B 435 ASN B 443 -1 O ARG B 435 N GLN B 432 SHEET 8 E 8 THR B 448 ILE B 451 -1 O THR B 448 N ASN B 443 SHEET 1 F 3 ASN B 407 GLY B 410 0 SHEET 2 F 3 GLY B 413 ARG B 418 -1 O VAL B 415 N PHE B 408 SHEET 3 F 3 GLU B 421 MET B 423 -1 O GLU B 421 N ARG B 418 SSBOND 1 CYS A 103 CYS A 129 1555 1555 2.05 SSBOND 2 CYS A 259 CYS A 293 1555 1555 2.04 SSBOND 3 CYS B 108 CYS B 135 1555 1555 2.03 SSBOND 4 CYS B 237 CYS B 266 1555 1555 2.04 SSBOND 5 CYS B 265 CYS B 302 1555 1555 2.04 LINK ND2 ASN A 323 C1 NAG C 1 1555 1555 1.42 LINK ND2 ASN A 365 C1 NAG A 506 1555 1555 1.44 LINK ND2 ASN B 404 C1 NAG D 1 1555 1555 1.43 LINK O4 NAG C 1 C1 NAG C 2 1555 1555 1.45 LINK O6 NAG C 1 C1 FUC C 5 1555 1555 1.45 LINK O4 NAG C 2 C1 BMA C 3 1555 1555 1.42 LINK O3 BMA C 3 C1 BMA C 4 1555 1555 1.41 LINK O4 NAG D 1 C1 NAG D 2 1555 1555 1.43 LINK O6 NAG D 1 C1 FUC D 3 1555 1555 1.43 CISPEP 1 ASP A 119 PRO A 120 0 3.71 CISPEP 2 ARG B 95 PRO B 96 0 5.05 CRYST1 70.980 112.750 73.450 90.00 97.80 90.00 P 1 21 1 2 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 0.014088 0.000000 0.001930 0.00000 SCALE2 0.000000 0.008869 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013742 0.00000