1SRZ - Header Asymmetric Unit

HEADER SIGNALING PROTEIN 23-MAR-04 1SRZ

TITLE SOLUTION STRUCTURE OF THE SECOND COMPLEMENT CONTROL PROTEIN TITLE 2 (CCP) MODULE OF THE GABA(B)R1A RECEPTOR, PRO-119 TRANS TITLE 3 CONFORMER

COMPND MOL_ID: 1; COMPND 2 MOLECULE: GAMMA-AMINOBUTYRIC ACID TYPE B RECEPTOR, SUBUNIT COMPND 3 1; COMPND 4 CHAIN: A; COMPND 5 FRAGMENT: RESIDUES 96-159; COMPND 6 SYNONYM: GABA-B RECEPTOR 1, GABA-B-R1, GB1; COMPND 7 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: GABBR1; SOURCE 6 EXPRESSION_SYSTEM: PICHIA PASTORIS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 4922; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: KM71; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PPICZALPHA

KEYWDS GABA(B) RECEPTOR, CIS-TRANS ISOMERIZATION, CCP MODULE, KEYWDS 2 SUSHI DOMAIN, SHORT CONSENSUS REPEAT, SIGNALING PROTEIN

EXPDTA SOLUTION NMR

NUMMDL 24

AUTHOR S.BLEIN,D.UHRIN,B.O.SMITH,J.H.WHITE,P.N.BARLOW

REVDAT 3 24-FEB-09 1SRZ 1 VERSN REVDAT 2 23-NOV-04 1SRZ 1 JRNL REVDAT 1 12-OCT-04 1SRZ 0

JRNL AUTH S.BLEIN,R.GINHAM,D.UHRIN,B.O.SMITH,D.C.SOARES, JRNL AUTH 2 S.VELTEL,R.A.MCILHINNEY,J.H.WHITE,P.N.BARLOW JRNL TITL STRUCTURAL ANALYSIS OF THE COMPLEMENT CONTROL JRNL TITL 2 PROTEIN (CCP) MODULES OF GABAB RECEPTOR 1A: ONLY JRNL TITL 3 ONE OF THE TWO CCP MODULES IS COMPACTLY FOLDED JRNL REF J.BIOL.CHEM. V. 279 48292 2004 JRNL REFN ISSN 0021-9258 JRNL PMID 15304491 JRNL DOI 10.1074/JBC.M406540200

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU,READ, REMARK 3 RICE,SIMONSON,WARREN REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 1363 UNIQUE RESTRAINTS, 20 DIHEDRAL REMARK 3 ANGLE RESTRAINTS (HNHA), 11 HYDROGEN BONDS

REMARK 4 REMARK 4 1SRZ COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-MAR-04. REMARK 100 THE RCSB ID CODE IS RCSB021950.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 310 REMARK 210 PH : 4 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1 MM GABA(B)R1A 2ND CCP REMARK 210 MODULE U-15N,13C, 20 MM REMARK 210 DEUTERATED SODIUM ACETATE REMARK 210 BUFFER, 90% H2O, 10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D_13C-SEPARATED_NOESY, 3D_ REMARK 210 15N-SEPARATED_NOESY, HNHA REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ, 800 MHZ REMARK 210 SPECTROMETER MODEL : INOVA, DRX REMARK 210 SPECTROMETER MANUFACTURER : VARIAN, BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : VNMR 6.1, AZARA 2.6, ANSIG REMARK 210 3.3, CNS 1.0 REMARK 210 METHOD USED : DISTANCE GEOMETRY, SIMULATED REMARK 210 ANNEALING, MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 120 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 24 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LEAST REMARK 210 RESTRAINT VIOLATIONS, REMARK 210 STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL

REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS.

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 1 ALA A 93 -139.78 55.75 REMARK 500 1 GLU A 94 133.72 -173.80 REMARK 500 1 PHE A 95 -129.03 57.72 REMARK 500 1 ARG A 97 47.60 -80.70 REMARK 500 1 SER A 100 113.53 -38.25 REMARK 500 1 THR A 114 69.47 -158.53 REMARK 500 1 ASP A 117 52.00 -144.76 REMARK 500 1 ALA A 120 -33.55 70.77 REMARK 500 1 PRO A 132 57.30 -67.63 REMARK 500 1 ASP A 133 -43.30 -158.06 REMARK 500 1 SER A 140 -7.02 -57.61 REMARK 500 1 PRO A 154 -151.88 -85.40 REMARK 500 2 ALA A 93 -141.56 -64.09 REMARK 500 2 VAL A 96 139.12 -174.89 REMARK 500 2 ARG A 97 61.05 -169.28 REMARK 500 2 THR A 105 132.17 61.84 REMARK 500 2 THR A 114 66.43 -162.16 REMARK 500 2 PRO A 132 77.89 -54.48 REMARK 500 2 ASP A 133 -41.68 179.02 REMARK 500 2 PRO A 154 -143.85 -72.89 REMARK 500 3 GLU A 94 -139.91 -173.22 REMARK 500 3 PHE A 95 -134.09 -170.93 REMARK 500 3 ARG A 97 -158.47 -88.82 REMARK 500 3 ILE A 98 143.79 64.74 REMARK 500 3 SER A 100 131.80 -39.78 REMARK 500 3 SER A 102 -34.90 -164.13 REMARK 500 3 THR A 114 63.44 -155.75 REMARK 500 3 ASP A 117 46.79 -150.27 REMARK 500 3 ALA A 120 -40.74 72.77 REMARK 500 3 ARG A 129 118.82 -167.22 REMARK 500 3 PRO A 132 162.81 -47.49 REMARK 500 3 ASP A 133 -35.07 77.93 REMARK 500 3 SER A 145 137.53 -173.25 REMARK 500 3 PRO A 152 -162.01 -64.86 REMARK 500 3 PRO A 154 -149.22 -81.75 REMARK 500 4 ALA A 93 -47.15 -172.00 REMARK 500 4 PHE A 95 44.81 -78.33 REMARK 500 4 ARG A 97 -148.67 -85.51 REMARK 500 4 ILE A 98 137.06 52.75 REMARK 500 4 SER A 102 -36.20 -166.24 REMARK 500 4 THR A 114 62.65 -158.49 REMARK 500 4 ASP A 117 41.98 73.31 REMARK 500 4 PHE A 128 44.11 -86.86 REMARK 500 4 PRO A 132 162.94 -47.66 REMARK 500 4 ASP A 133 -31.40 78.31 REMARK 500 4 SER A 145 27.21 -171.31 REMARK 500 4 GLN A 146 37.94 -176.26 REMARK 500 4 PRO A 154 -151.67 -89.26 REMARK 500 5 ALA A 93 -46.49 -174.62 REMARK 500 5 SER A 100 111.18 -39.89 REMARK 500 5 TYR A 103 45.28 -76.23 REMARK 500 5 LEU A 104 -37.20 -132.82 REMARK 500 5 GLU A 107 45.15 -82.83 REMARK 500 5 ASN A 108 36.03 179.55 REMARK 500 5 THR A 114 61.33 -157.46 REMARK 500 5 PRO A 119 82.12 -54.73 REMARK 500 5 ASP A 122 46.02 -77.00 REMARK 500 5 PRO A 132 73.63 -62.80 REMARK 500 5 ASP A 133 -42.91 -176.31 REMARK 500 5 PRO A 152 -158.43 -64.90 REMARK 500 5 PRO A 154 -156.49 -75.26 REMARK 500 6 GLU A 94 54.76 -175.88 REMARK 500 6 ILE A 98 32.65 -171.75 REMARK 500 6 CYS A 99 150.51 59.38 REMARK 500 6 SER A 100 125.55 -39.86 REMARK 500 6 SER A 102 40.30 -69.00 REMARK 500 6 THR A 114 55.18 -155.62 REMARK 500 6 ASP A 117 41.21 77.23 REMARK 500 6 PRO A 119 81.16 -55.47 REMARK 500 6 ALA A 120 -38.07 73.69 REMARK 500 6 LEU A 121 80.85 55.20 REMARK 500 6 ASP A 122 48.69 -75.02 REMARK 500 6 PRO A 132 162.02 -45.64 REMARK 500 6 ASP A 133 -36.57 77.83 REMARK 500 6 SER A 145 -23.89 -157.45 REMARK 500 6 GLN A 146 58.16 -159.20 REMARK 500 6 PRO A 152 -147.87 -59.25 REMARK 500 6 PRO A 154 -155.68 -76.68 REMARK 500 7 ALA A 93 45.56 -176.92 REMARK 500 7 ARG A 97 58.42 -167.20 REMARK 500 7 SER A 100 113.36 -37.93 REMARK 500 7 LYS A 101 1.95 -69.43 REMARK 500 7 THR A 105 130.84 60.52 REMARK 500 7 THR A 114 56.16 -158.88 REMARK 500 7 ASP A 117 53.03 -151.40 REMARK 500 7 ALA A 120 -38.99 72.66 REMARK 500 7 ALA A 124 152.27 -49.92 REMARK 500 7 PRO A 132 76.50 -58.03 REMARK 500 7 ASP A 133 -40.49 -178.68 REMARK 500 7 PRO A 154 -154.79 -79.20 REMARK 500 8 PHE A 95 135.53 -173.87 REMARK 500 8 ILE A 98 144.35 175.21 REMARK 500 8 SER A 100 128.45 -39.86 REMARK 500 8 LEU A 104 40.01 -77.88 REMARK 500 8 GLU A 107 41.00 -90.58 REMARK 500 8 ASN A 108 27.84 -160.12 REMARK 500 8 THR A 114 54.40 -157.95 REMARK 500 8 ASP A 117 67.17 -167.32 REMARK 500 8 PRO A 119 97.16 -38.18 REMARK 500 8 ALA A 120 -20.05 70.68 REMARK 500 8 PRO A 132 78.73 -58.37 REMARK 500 8 ASP A 133 -37.03 -177.46 REMARK 500 8 SER A 145 35.78 -168.14 REMARK 500 8 GLN A 146 39.91 175.80 REMARK 500 8 PRO A 154 -150.68 -75.25 REMARK 500 9 ALA A 93 -43.12 -176.82 REMARK 500 9 VAL A 96 141.32 177.77 REMARK 500 9 ARG A 97 109.51 -168.66 REMARK 500 9 ILE A 98 135.72 -175.87 REMARK 500 9 TYR A 103 -70.57 -64.59 REMARK 500 9 LEU A 104 156.97 -46.98 REMARK 500 9 THR A 105 73.13 64.67 REMARK 500 9 THR A 114 54.42 -161.88 REMARK 500 9 ASP A 117 54.70 -164.08 REMARK 500 9 PRO A 119 83.37 -47.52 REMARK 500 9 ASP A 122 44.93 -76.79 REMARK 500 9 PRO A 132 137.00 -36.82 REMARK 500 9 SER A 139 65.80 -65.66 REMARK 500 9 SER A 145 -23.01 -152.43 REMARK 500 9 GLN A 146 46.18 -146.58 REMARK 500 9 PRO A 154 -140.25 -85.03 REMARK 500 10 ALA A 93 45.94 -174.37 REMARK 500 10 ARG A 97 -161.89 -171.82 REMARK 500 10 ILE A 98 129.60 64.44 REMARK 500 10 SER A 100 104.02 -39.44 REMARK 500 10 LYS A 101 3.95 -66.46 REMARK 500 10 GLU A 107 42.24 -80.92 REMARK 500 10 ASN A 108 -31.31 -154.08 REMARK 500 10 THR A 114 42.93 -157.47 REMARK 500 10 ASP A 117 33.72 -173.13 REMARK 500 10 ALA A 120 -38.03 71.18 REMARK 500 10 ASP A 122 48.97 -76.54 REMARK 500 10 PRO A 132 77.60 -52.69 REMARK 500 10 ASP A 133 -41.80 -179.44 REMARK 500 10 PRO A 154 -152.15 -72.39 REMARK 500 11 ALA A 93 134.19 64.57 REMARK 500 11 PHE A 95 -145.18 -70.14 REMARK 500 11 ARG A 97 -156.08 -66.79 REMARK 500 11 ILE A 98 127.01 67.19 REMARK 500 11 SER A 100 105.07 -40.68 REMARK 500 11 LYS A 101 15.38 -69.13 REMARK 500 11 THR A 114 52.40 -162.37 REMARK 500 11 ASP A 117 36.43 -174.50 REMARK 500 11 PRO A 132 152.90 -40.89 REMARK 500 11 ASP A 133 -34.38 78.03 REMARK 500 11 SER A 145 26.66 -163.15 REMARK 500 11 GLN A 146 39.51 175.86 REMARK 500 11 PRO A 154 -150.85 -75.91 REMARK 500 12 ALA A 93 46.15 -178.21 REMARK 500 12 ARG A 97 -164.63 -172.20 REMARK 500 12 CYS A 99 149.90 58.77 REMARK 500 12 SER A 100 100.84 -40.41 REMARK 500 12 THR A 114 56.11 -158.10 REMARK 500 12 ASP A 117 58.38 -165.80 REMARK 500 12 ALA A 120 -40.24 72.99 REMARK 500 12 PRO A 132 159.21 -46.28 REMARK 500 12 ASP A 133 -37.53 78.27 REMARK 500 12 SER A 145 -30.85 -172.21 REMARK 500 12 GLN A 146 49.50 -150.80 REMARK 500 12 PRO A 152 -152.66 -63.83 REMARK 500 12 PRO A 154 -146.91 -85.45 REMARK 500 12 HIS A 155 -149.28 -153.72 REMARK 500 13 ALA A 93 -135.28 -173.52 REMARK 500 13 PHE A 95 138.03 63.93 REMARK 500 13 VAL A 96 134.90 -172.03 REMARK 500 13 ARG A 97 -152.87 -65.84 REMARK 500 13 ILE A 98 127.13 52.63 REMARK 500 13 SER A 100 130.31 -39.89 REMARK 500 13 THR A 105 137.80 62.66 REMARK 500 13 THR A 114 97.66 -163.58 REMARK 500 13 ASP A 117 37.11 72.23 REMARK 500 13 PRO A 119 97.78 -50.86 REMARK 500 13 ALA A 120 17.06 55.64 REMARK 500 13 ASP A 122 46.02 -75.53 REMARK 500 13 PRO A 132 75.46 -57.36 REMARK 500 13 ASP A 133 -40.27 179.93 REMARK 500 13 PRO A 154 -154.90 -76.78 REMARK 500 14 ALA A 93 -141.25 -173.15 REMARK 500 14 ARG A 97 62.71 -165.59 REMARK 500 14 SER A 100 128.56 -39.88 REMARK 500 14 GLU A 107 30.05 -82.64 REMARK 500 14 ASN A 108 25.68 -166.14 REMARK 500 14 THR A 114 61.17 -163.28 REMARK 500 14 ASP A 117 48.30 -147.47 REMARK 500 14 PRO A 119 94.77 -43.82 REMARK 500 14 ALA A 120 -9.03 69.25 REMARK 500 14 ASP A 122 49.63 -75.12 REMARK 500 14 PRO A 132 75.07 -57.28 REMARK 500 14 ASP A 133 -36.03 178.89 REMARK 500 14 SER A 139 63.63 -68.86 REMARK 500 14 SER A 145 -123.72 -104.65 REMARK 500 14 PRO A 154 -149.60 -79.48 REMARK 500 15 GLU A 94 135.69 -174.24 REMARK 500 15 PHE A 95 131.56 -172.65 REMARK 500 15 ARG A 97 110.19 -167.29 REMARK 500 15 GLU A 107 34.99 -81.84 REMARK 500 15 ASN A 108 -49.17 -160.75 REMARK 500 15 LYS A 110 -42.33 -142.04 REMARK 500 15 VAL A 111 115.60 48.55 REMARK 500 15 THR A 114 53.97 -157.11 REMARK 500 15 ASP A 117 53.38 73.87 REMARK 500 15 ALA A 120 18.27 56.55 REMARK 500 15 PRO A 132 152.44 -45.04 REMARK 500 15 ASP A 133 -29.57 79.62 REMARK 500 15 PRO A 154 -148.94 -75.69 REMARK 500 16 ALA A 93 49.65 -177.91 REMARK 500 16 GLU A 94 138.46 -170.88 REMARK 500 16 ARG A 97 -155.98 -175.97 REMARK 500 16 LYS A 101 23.22 -74.46 REMARK 500 16 LEU A 104 23.90 -68.86 REMARK 500 16 GLU A 107 46.15 -82.36 REMARK 500 16 ASN A 108 -30.24 -158.89 REMARK 500 16 ASP A 117 49.84 71.86 REMARK 500 16 PRO A 119 33.94 -74.55 REMARK 500 16 ALA A 120 -44.84 172.19 REMARK 500 16 ALA A 124 153.53 -48.83 REMARK 500 16 PRO A 132 159.99 -43.04 REMARK 500 16 ASP A 133 -31.88 80.76 REMARK 500 16 SER A 145 132.95 -175.04 REMARK 500 16 PRO A 154 -149.64 -79.26 REMARK 500 17 VAL A 96 129.42 -172.38 REMARK 500 17 ARG A 97 -176.31 -68.68 REMARK 500 17 ILE A 98 135.45 68.94 REMARK 500 17 SER A 100 120.98 -35.85 REMARK 500 17 THR A 114 56.80 -156.59 REMARK 500 17 ASP A 117 41.84 -152.15 REMARK 500 17 ALA A 120 -37.44 73.63 REMARK 500 17 PRO A 132 155.38 -45.08 REMARK 500 17 ASP A 133 -34.72 78.57 REMARK 500 17 PRO A 154 -148.01 -84.37 REMARK 500 18 GLU A 94 -50.35 -174.83 REMARK 500 18 ARG A 97 -147.61 44.01 REMARK 500 18 CYS A 99 142.03 55.97 REMARK 500 18 THR A 114 53.31 -158.86 REMARK 500 18 ASP A 117 42.21 73.20 REMARK 500 18 PRO A 119 89.83 -44.87 REMARK 500 18 ALA A 120 13.58 56.00 REMARK 500 18 ASP A 122 45.07 -76.11 REMARK 500 18 ASP A 133 -31.37 80.64 REMARK 500 18 SER A 145 31.56 -169.65 REMARK 500 18 GLN A 146 34.06 177.47 REMARK 500 18 PRO A 154 -160.91 -69.71 REMARK 500 19 ALA A 93 39.97 -171.30 REMARK 500 19 ILE A 98 42.53 -162.27 REMARK 500 19 CYS A 99 133.00 64.27 REMARK 500 19 THR A 114 53.73 -153.33 REMARK 500 19 ASP A 117 39.58 -171.29 REMARK 500 19 PRO A 119 81.15 -48.41 REMARK 500 19 ALA A 120 -40.81 75.20 REMARK 500 19 ASP A 122 84.50 -57.35 REMARK 500 19 ALA A 124 150.67 -49.81 REMARK 500 19 PRO A 132 62.97 -66.55 REMARK 500 19 ASP A 133 -29.39 -177.12 REMARK 500 19 SER A 145 120.01 -173.02 REMARK 500 19 PRO A 152 -160.52 -67.08 REMARK 500 19 PRO A 154 -151.79 -81.10 REMARK 500 20 GLU A 94 47.29 -81.53 REMARK 500 20 GLU A 107 38.52 -81.40 REMARK 500 20 ASN A 108 26.63 177.21 REMARK 500 20 PRO A 119 85.95 -52.50 REMARK 500 20 ASP A 122 45.59 -76.43 REMARK 500 20 ASP A 133 -37.45 -153.07 REMARK 500 20 PRO A 154 -152.15 -73.21 REMARK 500 21 PHE A 95 132.40 64.42 REMARK 500 21 ARG A 97 -155.65 -65.41 REMARK 500 21 ILE A 98 134.57 51.81 REMARK 500 21 LEU A 104 38.95 -74.71 REMARK 500 21 GLU A 107 43.13 -82.58 REMARK 500 21 ASN A 108 -43.32 -177.02 REMARK 500 21 LYS A 110 -43.81 -142.12 REMARK 500 21 VAL A 111 120.00 49.10 REMARK 500 21 THR A 114 53.06 -158.51 REMARK 500 21 PRO A 119 96.37 -46.18 REMARK 500 21 ALA A 120 -29.83 68.62 REMARK 500 21 PRO A 132 72.92 -59.31 REMARK 500 21 ASP A 133 -39.07 178.66 REMARK 500 21 SER A 145 134.01 -172.68 REMARK 500 21 PRO A 152 -159.37 -62.03 REMARK 500 21 PRO A 154 -148.66 -74.36 REMARK 500 22 GLU A 94 -40.00 -168.15 REMARK 500 22 THR A 105 137.72 65.35 REMARK 500 22 THR A 114 65.61 -158.89 REMARK 500 22 PRO A 119 80.24 -43.57 REMARK 500 22 ASP A 122 42.38 -74.97 REMARK 500 22 PHE A 128 47.30 -84.38 REMARK 500 22 PRO A 132 79.67 -55.18 REMARK 500 22 ASP A 133 -40.43 -179.14 REMARK 500 22 PRO A 154 -147.70 -81.32 REMARK 500 23 ALA A 93 131.30 -170.72 REMARK 500 23 GLU A 94 -129.94 -173.42 REMARK 500 23 PHE A 95 132.52 -177.76 REMARK 500 23 ARG A 97 49.96 -163.64 REMARK 500 23 ILE A 98 41.80 -158.82 REMARK 500 23 CYS A 99 134.02 62.31 REMARK 500 23 LEU A 104 33.30 -76.98 REMARK 500 23 THR A 105 58.54 -147.54 REMARK 500 23 THR A 114 65.96 -152.96 REMARK 500 23 ASP A 117 47.84 -148.68 REMARK 500 23 PRO A 119 105.16 -43.47 REMARK 500 23 ALA A 120 -37.95 72.45 REMARK 500 23 ALA A 124 153.04 -49.05 REMARK 500 23 PRO A 132 52.07 -69.73 REMARK 500 23 ASP A 133 -39.35 -155.59 REMARK 500 23 SER A 139 65.41 -68.75 REMARK 500 23 SER A 145 131.41 -170.57 REMARK 500 23 PRO A 154 -146.78 -71.49 REMARK 500 24 ALA A 93 127.76 63.66 REMARK 500 24 GLU A 94 40.90 -83.45 REMARK 500 24 PHE A 95 45.36 -82.58 REMARK 500 24 VAL A 96 139.95 65.19 REMARK 500 24 ARG A 97 121.58 -172.44 REMARK 500 24 ILE A 98 39.03 -173.45 REMARK 500 24 CYS A 99 160.45 61.18 REMARK 500 24 SER A 100 128.67 -39.82 REMARK 500 24 THR A 114 62.17 -156.19 REMARK 500 24 ASP A 117 48.19 -159.27 REMARK 500 24 PRO A 119 106.10 -39.63 REMARK 500 24 ALA A 120 -32.29 72.54 REMARK 500 24 PRO A 132 75.31 -59.90 REMARK 500 24 ASP A 133 -40.83 -174.63 REMARK 500 24 SER A 145 113.64 -173.28 REMARK 500 24 PRO A 154 -152.48 -72.37 REMARK 500 REMARK 500 REMARK: NULL

DBREF 1SRZ A 96 159 UNP Q9Z0U4 GABR1_RAT 96 159

SEQADV 1SRZ GLU A 92 UNP Q9Z0U4 CLONING ARTIFACT SEQADV 1SRZ ALA A 93 UNP Q9Z0U4 CLONING ARTIFACT SEQADV 1SRZ GLU A 94 UNP Q9Z0U4 CLONING ARTIFACT SEQADV 1SRZ PHE A 95 UNP Q9Z0U4 CLONING ARTIFACT

SEQRES 1 A 68 GLU ALA GLU PHE VAL ARG ILE CYS SER LYS SER TYR LEU SEQRES 2 A 68 THR LEU GLU ASN GLY LYS VAL PHE LEU THR GLY GLY ASP SEQRES 3 A 68 LEU PRO ALA LEU ASP GLY ALA ARG VAL GLU PHE ARG CYS SEQRES 4 A 68 ASP PRO ASP PHE HIS LEU VAL GLY SER SER ARG SER VAL SEQRES 5 A 68 CYS SER GLN GLY GLN TRP SER THR PRO LYS PRO HIS CYS SEQRES 6 A 68 GLN VAL ASN

HELIX 1 1 SER A 100 TYR A 103 5 4

SHEET 1 A 5 THR A 105 LEU A 106 0 SHEET 2 A 5 GLY A 109 PHE A 112 -1 O GLY A 109 N LEU A 106 SHEET 3 A 5 ARG A 125 CYS A 130 -1 O ARG A 129 N LYS A 110 SHEET 4 A 5 ARG A 141 SER A 145 -1 O SER A 142 N VAL A 126 SHEET 5 A 5 GLN A 148 TRP A 149 -1 O GLN A 148 N SER A 145 SHEET 1 B 2 PHE A 134 LEU A 136 0 SHEET 2 B 2 CYS A 156 VAL A 158 -1 O GLN A 157 N HIS A 135

SSBOND 1 CYS A 99 CYS A 144 1555 1555 2.03 SSBOND 2 CYS A 130 CYS A 156 1555 1555 2.03

CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 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