HEADER SIGNALING PROTEIN 10-APR-14 4PAS TITLE HETERODIMERIC COILED-COIL STRUCTURE OF HUMAN GABA(B) RECEPTOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: GAMMA-AMINOBUTYRIC ACID TYPE B RECEPTOR SUBUNIT 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 762-802; COMPND 5 SYNONYM: 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: UNP RESIDUES 779-819; COMPND 11 SYNONYM: GB2,G-PROTEIN COUPLED RECEPTOR 51,HG20; COMPND 12 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: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 DE3 RIL; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PSMT3; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 13 ORGANISM_COMMON: HUMAN; SOURCE 14 ORGANISM_TAXID: 9606; SOURCE 15 GENE: GABBR2, GPR51, GPRC3B; SOURCE 16 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 18 EXPRESSION_SYSTEM_STRAIN: BL21 DE3 RIL; SOURCE 19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 20 EXPRESSION_SYSTEM_PLASMID: PSMT3 KEYWDS GABA(B) RECEPTOR, COILED-COIL, HETERODIMER, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.BURMAKINA,Y.GENG,Y.CHEN,Q.R.FAN REVDAT 6 27-DEC-23 4PAS 1 REMARK REVDAT 5 25-DEC-19 4PAS 1 REMARK REVDAT 4 27-SEP-17 4PAS 1 SOURCE JRNL REMARK REVDAT 3 16-JUL-14 4PAS 1 JRNL REVDAT 2 14-MAY-14 4PAS 1 JRNL REVDAT 1 07-MAY-14 4PAS 0 JRNL AUTH S.BURMAKINA,Y.GENG,Y.CHEN,Q.R.FAN JRNL TITL HETERODIMERIC COILED-COIL INTERACTIONS OF HUMAN GABAB JRNL TITL 2 RECEPTOR. JRNL REF PROC.NATL.ACAD.SCI.USA V. 111 6958 2014 JRNL REFN ESSN 1091-6490 JRNL PMID 24778228 JRNL DOI 10.1073/PNAS.1400081111 REMARK 2 REMARK 2 RESOLUTION. 1.62 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.4.0066 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.62 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.51 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.9 REMARK 3 NUMBER OF REFLECTIONS : 8926 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) : 0.194 REMARK 3 R VALUE (WORKING SET) : 0.193 REMARK 3 FREE R VALUE : 0.217 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.300 REMARK 3 FREE R VALUE TEST SET COUNT : 471 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.62 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.71 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1011 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 80.54 REMARK 3 BIN R VALUE (WORKING SET) : 0.1960 REMARK 3 BIN FREE R VALUE SET COUNT : 57 REMARK 3 BIN FREE R VALUE : 0.2510 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 614 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 75 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.41 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.26000 REMARK 3 B22 (A**2) : 0.10000 REMARK 3 B33 (A**2) : -0.37000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.112 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.104 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.056 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.157 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.939 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.932 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 617 ; 0.006 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 821 ; 0.827 ; 1.995 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 72 ; 2.178 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 36 ;35.314 ;25.833 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 141 ;10.902 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 6 ;20.447 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 93 ; 0.050 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 452 ; 0.002 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 369 ; 1.454 ; 5.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 594 ; 2.563 ; 6.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 248 ; 3.104 ; 6.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 227 ; 5.231 ; 7.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 767 A 801 REMARK 3 ORIGIN FOR THE GROUP (A): 10.2766 5.6668 10.9002 REMARK 3 T TENSOR REMARK 3 T11: 0.0016 T22: 0.0096 REMARK 3 T33: -0.0024 T12: -0.0031 REMARK 3 T13: 0.0111 T23: -0.0102 REMARK 3 L TENSOR REMARK 3 L11: 0.3742 L22: 0.6921 REMARK 3 L33: 4.5456 L12: -0.3581 REMARK 3 L13: -1.2973 L23: 1.1132 REMARK 3 S TENSOR REMARK 3 S11: -0.0590 S12: 0.0452 S13: -0.0698 REMARK 3 S21: 0.0170 S22: -0.0621 S23: 0.0647 REMARK 3 S31: 0.0766 S32: -0.0950 S33: 0.1211 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 779 B 817 REMARK 3 ORIGIN FOR THE GROUP (A): 17.6980 10.1631 9.1285 REMARK 3 T TENSOR REMARK 3 T11: -0.0011 T22: 0.0206 REMARK 3 T33: -0.0152 T12: 0.0044 REMARK 3 T13: -0.0083 T23: 0.0041 REMARK 3 L TENSOR REMARK 3 L11: 0.0902 L22: 0.3595 REMARK 3 L33: 5.4213 L12: 0.0412 REMARK 3 L13: -0.5903 L23: -0.9988 REMARK 3 S TENSOR REMARK 3 S11: -0.0384 S12: 0.0175 S13: 0.0263 REMARK 3 S21: 0.0460 S22: -0.0091 S23: -0.0379 REMARK 3 S31: -0.0430 S32: 0.0080 S33: 0.0475 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4PAS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-APR-14. REMARK 100 THE DEPOSITION ID IS D_1000201053. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-AUG-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 9.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97898,0.97934,0.96863 REMARK 200 MONOCHROMATOR : KOHZU DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8951 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.620 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.8 REMARK 200 DATA REDUNDANCY : 6.000 REMARK 200 R MERGE (I) : 0.03600 REMARK 200 R SYM (I) : 0.03600 REMARK 200 FOR THE DATA SET : 43.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.62 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.68 REMARK 200 COMPLETENESS FOR SHELL (%) : 76.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.90 REMARK 200 R MERGE FOR SHELL (I) : 0.05500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 17.79 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 32.21 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.81 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 3.0M AMMONIUM SULPHATE, 0.1M BICINE, REMARK 280 PH9.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 27.67350 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 27.67350 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 23.36050 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 27.32700 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 23.36050 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 27.32700 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 27.67350 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 23.36050 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 27.32700 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 27.67350 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 23.36050 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 27.32700 REMARK 290 SMTRY3 8 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: 1960 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 5810 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 KCAL/MOL 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 SER A 762 REMARK 465 THR A 763 REMARK 465 ASN A 764 REMARK 465 ASN A 765 REMARK 465 ASN A 766 REMARK 465 ARG A 802 REMARK 465 ASP B 818 REMARK 465 THR B 819 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 OE1 GLN B 782 OE1 GLN B 782 3654 1.49 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 GLN A 800 -73.90 -66.48 REMARK 500 REMARK 500 REMARK: NULL DBREF 4PAS A 762 802 UNP Q9UBS5 GABR1_HUMAN 762 802 DBREF 4PAS B 779 819 UNP O75899 GABR2_HUMAN 779 819 SEQADV 4PAS HIS B 797 UNP O75899 ARG 797 CONFLICT SEQRES 1 A 41 SER THR ASN ASN ASN GLU GLU GLU LYS SER ARG LEU LEU SEQRES 2 A 41 GLU LYS GLU ASN ARG GLU LEU GLU LYS ILE ILE ALA GLU SEQRES 3 A 41 LYS GLU GLU ARG VAL SER GLU LEU ARG HIS GLN LEU GLN SEQRES 4 A 41 SER ARG SEQRES 1 B 41 SER VAL ASN GLN ALA SER THR SER ARG LEU GLU GLY LEU SEQRES 2 B 41 GLN SER GLU ASN HIS HIS LEU ARG MET LYS ILE THR GLU SEQRES 3 B 41 LEU ASP LYS ASP LEU GLU GLU VAL THR MET GLN LEU GLN SEQRES 4 B 41 ASP THR FORMUL 3 HOH *75(H2 O) HELIX 1 AA1 GLU A 767 SER A 801 1 35 HELIX 2 AA2 VAL B 780 GLN B 817 1 38 CRYST1 46.721 54.654 55.347 90.00 90.00 90.00 C 2 2 21 8 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 0.021404 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018297 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018068 0.00000