3C7K - Header Asymmetric Unit

HEADER SIGNALING PROTEIN 07-FEB-08 3C7K

TITLE MOLECULAR ARCHITECTURE OF GALPHAO AND THE STRUCTURAL BASIS TITLE 2 FOR RGS16-MEDIATED DEACTIVATION

COMPND MOL_ID: 1; COMPND 2 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G(O) SUBUNIT COMPND 3 ALPHA; COMPND 4 CHAIN: A, C; COMPND 5 FRAGMENT: RESIDUES 22-354; COMPND 6 SYNONYM: GUANINE NUCLEOTIDE-BINDING PROTEIN G(O) SUBUNIT COMPND 7 ALPHA; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: REGULATOR OF G-PROTEIN SIGNALING 16; COMPND 11 CHAIN: B, D; COMPND 12 FRAGMENT: RESIDUES 53-180; COMPND 13 SYNONYM: RGS16, RETINALLY ABUNDANT REGULATOR OF G-PROTEIN COMPND 14 SIGNALING, RGS-R, A28-RGS14P; COMPND 15 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 GENE: GNAO1, GNA0, GNAO; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 13 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 14 ORGANISM_TAXID: 10090; SOURCE 15 GENE: RGS16, RGSR; SOURCE 16 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 18 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 20 EXPRESSION_SYSTEM_PLASMID: PET

KEYWDS RGS, GALPHA, ALF4 HETEROTRIMERIC G-PROTEIN GAP, ALTERNATIVE KEYWDS 2 SPLICING, GTP-BINDING, LIPOPROTEIN, MYRISTATE, NUCLEOTIDE- KEYWDS 3 BINDING, PALMITATE, TRANSDUCER, PHOSPHOPROTEIN, SIGNAL KEYWDS 4 TRANSDUCTION INHIBITOR, SIGNALING PROTEIN

EXPDTA X-RAY DIFFRACTION

AUTHOR K.C.SLEP,M.A.KERCHER,T.WIELAND,C.CHEN,M.I.SIMON,P.B.SIGLER

REVDAT 2 24-FEB-09 3C7K 1 VERSN REVDAT 1 06-MAY-08 3C7K 0

JRNL AUTH K.C.SLEP,M.A.KERCHER,T.WIELAND,C.K.CHEN,M.I.SIMON, JRNL AUTH 2 P.B.SIGLER JRNL TITL MOLECULAR ARCHITECTURE OF G{ALPHA}O AND THE JRNL TITL 2 STRUCTURAL BASIS FOR RGS16-MEDIATED DEACTIVATION. JRNL REF PROC.NATL.ACAD.SCI.USA V. 105 6243 2008 JRNL REFN ISSN 0027-8424 JRNL PMID 18434540 JRNL DOI 10.1073/PNAS.0801569105

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.90 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 83.0 REMARK 3 NUMBER OF REFLECTIONS : 24012 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 SET) : 0.250 REMARK 3 FREE R VALUE : 0.311 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.200 REMARK 3 FREE R VALUE TEST SET COUNT : 2365 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 6817 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 68 REMARK 3 SOLVENT ATOMS : 6 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 93.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 87.34 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -10.61900 REMARK 3 B22 (A**2) : -10.61900 REMARK 3 B33 (A**2) : 21.23800 REMARK 3 B12 (A**2) : -17.32200 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 37.08 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : GDP.PRM REMARK 3 PARAMETER FILE 4 : ALF4.PRM REMARK 3 PARAMETER FILE 5 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 3C7K COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-MAR-08. REMARK 100 THE RCSB ID CODE IS RCSB046440.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-OCT-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.15 REMARK 200 MONOCHROMATOR : X25 MONOCHROMATOR REMARK 200 OPTICS : X25 OPTICS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRANDEIS - B4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL REMARK 200 DATA SCALING SOFTWARE : HKL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27489 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.0 REMARK 200 DATA REDUNDANCY : 7.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07800 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 20.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: 1AGR REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.22 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.94 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 15% PEG 8000 200 MM TRIS PH 8.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 157.07333 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 78.53667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 78.53667 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 157.07333 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 ASN A 22 REMARK 465 LEU A 23 REMARK 465 LYS A 24 REMARK 465 GLU A 25 REMARK 465 ASP A 26 REMARK 465 GLY A 27 REMARK 465 ILE A 28 REMARK 465 SER A 29 REMARK 465 ALA A 30 REMARK 465 ALA A 31 REMARK 465 LYS A 32 REMARK 465 ASP A 33 REMARK 465 VAL A 34 REMARK 465 HIS A 57 REMARK 465 GLU A 58 REMARK 465 ASP A 59 REMARK 465 GLY A 60 REMARK 465 LEU A 195 REMARK 465 HIS A 196 REMARK 465 PHE A 197 REMARK 465 ASN A 347 REMARK 465 LEU A 348 REMARK 465 ARG A 349 REMARK 465 GLY A 350 REMARK 465 CYS A 351 REMARK 465 GLY A 352 REMARK 465 LEU A 353 REMARK 465 TYR A 354 REMARK 465 GLY B 52 REMARK 465 SER B 53 REMARK 465 PHE B 54 REMARK 465 SER B 55 REMARK 465 GLU B 56 REMARK 465 ASP B 57 REMARK 465 GLU B 63 REMARK 465 ASP B 178 REMARK 465 LEU B 179 REMARK 465 ALA B 180 REMARK 465 ASN C 22 REMARK 465 LEU C 23 REMARK 465 LYS C 24 REMARK 465 GLU C 25 REMARK 465 ASP C 26 REMARK 465 GLY C 27 REMARK 465 ILE C 28 REMARK 465 SER C 29 REMARK 465 ALA C 30 REMARK 465 ALA C 31 REMARK 465 LYS C 32 REMARK 465 ASP C 33 REMARK 465 VAL C 34 REMARK 465 ASN C 346 REMARK 465 ASN C 347 REMARK 465 LEU C 348 REMARK 465 ARG C 349 REMARK 465 GLY C 350 REMARK 465 CYS C 351 REMARK 465 GLY C 352 REMARK 465 LEU C 353 REMARK 465 TYR C 354 REMARK 465 GLY D 52 REMARK 465 SER D 53 REMARK 465 PHE D 54 REMARK 465 SER D 55 REMARK 465 GLU D 56 REMARK 465 ASP D 57 REMARK 465 VAL D 58 REMARK 465 LEU D 59 REMARK 465 GLY D 60 REMARK 465 TRP D 61 REMARK 465 ARG D 62 REMARK 465 GLU D 63 REMARK 465 ARG D 177 REMARK 465 ASP D 178 REMARK 465 LEU D 179 REMARK 465 ALA D 180

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 AL ALF A 365 O HOH A 401 2.07 REMARK 500 O2B GDP A 361 O HOH A 402 2.10 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 LEU A 38 68.60 -103.00 REMARK 500 ILE A 55 48.23 -80.18 REMARK 500 ASN A 76 -33.74 -39.40 REMARK 500 GLU A 99 9.14 -56.82 REMARK 500 THR A 102 -82.47 -67.15 REMARK 500 SER A 104 -71.00 -59.03 REMARK 500 ARG A 113 -5.29 -53.98 REMARK 500 MET A 114 -7.21 68.29 REMARK 500 GLU A 115 28.16 -70.00 REMARK 500 PRO A 119 130.32 -35.93 REMARK 500 TRP A 132 -9.91 -54.60 REMARK 500 SER A 144 -0.29 -58.65 REMARK 500 ASN A 150 140.94 -39.73 REMARK 500 SER A 159 34.36 -151.12 REMARK 500 TYR A 168 135.13 -37.64 REMARK 500 ARG A 177 1.07 -59.60 REMARK 500 PHE A 190 148.09 168.93 REMARK 500 PHE A 192 -90.96 -100.87 REMARK 500 ILE A 213 -20.21 -37.36 REMARK 500 HIS A 214 -71.67 -71.73 REMARK 500 CYS A 215 24.93 -66.43 REMARK 500 ASP A 218 82.64 38.41 REMARK 500 THR A 220 -73.30 -51.13 REMARK 500 GLU A 239 30.52 -65.57 REMARK 500 ASN A 256 42.63 -88.17 REMARK 500 PHE A 259 -18.88 -46.38 REMARK 500 ASP A 262 44.64 -104.51 REMARK 500 ASN A 270 174.41 -49.64 REMARK 500 TYR A 291 105.87 -33.74 REMARK 500 ARG A 313 -81.42 -90.37 REMARK 500 HIS A 322 112.83 -167.82 REMARK 500 CYS A 325 78.09 -163.22 REMARK 500 ALA A 326 -27.48 -34.12 REMARK 500 ALA A 345 32.91 -73.48 REMARK 500 PHE B 86 52.25 70.20 REMARK 500 SER B 87 34.11 -159.93 REMARK 500 ARG B 122 134.41 -31.93 REMARK 500 GLU B 124 19.59 57.08 REMARK 500 ALA B 145 64.90 -166.62 REMARK 500 ALA B 146 105.15 -29.60 REMARK 500 CYS B 150 -74.10 -42.24 REMARK 500 ASP B 165 -72.88 -124.34 REMARK 500 LEU B 171 -79.06 -52.33 REMARK 500 LYS B 172 78.68 -52.93 REMARK 500 ALA B 175 -36.93 -39.69 REMARK 500 GLU C 43 37.72 26.56 REMARK 500 HIS C 57 57.92 -160.64 REMARK 500 GLU C 58 -24.16 -141.29 REMARK 500 ASP C 59 -74.15 157.84 REMARK 500 SER C 75 -71.69 -53.05 REMARK 500 ASP C 97 84.39 -172.52 REMARK 500 LYS C 98 -23.99 -38.30 REMARK 500 LYS C 105 0.95 -65.13 REMARK 500 GLU C 115 35.02 -88.63 REMARK 500 PRO C 119 128.91 -37.97 REMARK 500 SER C 121 -176.45 -57.96 REMARK 500 SER C 144 10.26 -67.28 REMARK 500 ASP C 158 21.62 -75.21 REMARK 500 SER C 159 31.16 -149.05 REMARK 500 ARG C 162 -7.43 -48.29 REMARK 500 TYR C 168 150.40 -41.60 REMARK 500 VAL C 180 119.00 -160.03 REMARK 500 PHE C 190 151.61 179.08 REMARK 500 PHE C 192 -92.26 -111.65 REMARK 500 VAL C 202 -169.14 -125.39 REMARK 500 GLN C 205 163.59 -41.07 REMARK 500 CYS C 215 42.14 -72.05 REMARK 500 ASP C 218 88.98 36.02 REMARK 500 SER C 229 -3.90 -59.52 REMARK 500 GLU C 239 24.05 -59.64 REMARK 500 SER C 247 -70.03 -51.84 REMARK 500 PHE C 259 -11.36 -46.47 REMARK 500 ASN C 270 170.59 -55.62 REMARK 500 LYS C 278 -31.65 -155.13 REMARK 500 TYR C 291 112.40 -29.00 REMARK 500 GLU C 298 -81.25 -56.00 REMARK 500 SER C 314 104.20 -59.51 REMARK 500 ASN C 316 41.84 -89.31 REMARK 500 HIS C 322 107.23 -161.02 REMARK 500 CYS C 325 74.18 -172.33 REMARK 500 ALA C 326 -29.66 -37.25 REMARK 500 PHE D 86 32.06 72.67 REMARK 500 ARG D 122 160.02 -40.91 REMARK 500 SER D 149 30.47 -97.50 REMARK 500 LEU D 171 -80.88 -54.55 REMARK 500 LYS D 172 70.96 -57.85 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 362 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 182 OG1 REMARK 620 2 GDP A 361 O2B 141.4 REMARK 620 3 HOH A 403 O 94.4 121.3 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG C 362 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR C 182 OG1 REMARK 620 2 GDP C 361 O2B 157.8 REMARK 620 3 HOH C 402 O 77.4 81.1 REMARK 620 N 1 2

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 362 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ALF A 365 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG C 362 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ALF C 365 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GDP A 361 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GDP C 361

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3C7L RELATED DB: PDB

DBREF 3C7K A 22 354 UNP P18872 GNAO_MOUSE 22 354 DBREF 3C7K B 53 180 UNP P97428 RGS16_MOUSE 53 180 DBREF 3C7K C 22 354 UNP P18872 GNAO_MOUSE 22 354 DBREF 3C7K D 53 180 UNP P97428 RGS16_MOUSE 53 180

SEQADV 3C7K GLY B 52 UNP P97428 EXPRESSION TAG SEQADV 3C7K GLY D 52 UNP P97428 EXPRESSION TAG

SEQRES 1 A 333 ASN LEU LYS GLU ASP GLY ILE SER ALA ALA LYS ASP VAL SEQRES 2 A 333 LYS LEU LEU LEU LEU GLY ALA GLY GLU SER GLY LYS SER SEQRES 3 A 333 THR ILE VAL LYS GLN MET LYS ILE ILE HIS GLU ASP GLY SEQRES 4 A 333 PHE SER GLY GLU ASP VAL LYS GLN TYR LYS PRO VAL VAL SEQRES 5 A 333 TYR SER ASN THR ILE GLN SER LEU ALA ALA ILE VAL ARG SEQRES 6 A 333 ALA MET ASP THR LEU GLY VAL GLU TYR GLY ASP LYS GLU SEQRES 7 A 333 ARG LYS THR ASP SER LYS MET VAL CYS ASP VAL VAL SER SEQRES 8 A 333 ARG MET GLU ASP THR GLU PRO PHE SER ALA GLU LEU LEU SEQRES 9 A 333 SER ALA MET MET ARG LEU TRP GLY ASP SER GLY ILE GLN SEQRES 10 A 333 GLU CYS PHE ASN ARG SER ARG GLU TYR GLN LEU ASN ASP SEQRES 11 A 333 SER ALA LYS TYR TYR LEU ASP SER LEU ASP ARG ILE GLY SEQRES 12 A 333 ALA GLY ASP TYR GLN PRO THR GLU GLN ASP ILE LEU ARG SEQRES 13 A 333 THR ARG VAL LYS THR THR GLY ILE VAL GLU THR HIS PHE SEQRES 14 A 333 THR PHE LYS ASN LEU HIS PHE ARG LEU PHE ASP VAL GLY SEQRES 15 A 333 GLY GLN ARG SER GLU ARG LYS LYS TRP ILE HIS CYS PHE SEQRES 16 A 333 GLU ASP VAL THR ALA ILE ILE PHE CYS VAL ALA LEU SER SEQRES 17 A 333 GLY TYR ASP GLN VAL LEU HIS GLU ASP GLU THR THR ASN SEQRES 18 A 333 ARG MET HIS GLU SER LEU MET LEU PHE ASP SER ILE CYS SEQRES 19 A 333 ASN ASN LYS PHE PHE ILE ASP THR SER ILE ILE LEU PHE SEQRES 20 A 333 LEU ASN LYS LYS ASP LEU PHE GLY GLU LYS ILE LYS LYS SEQRES 21 A 333 SER PRO LEU THR ILE CYS PHE PRO GLU TYR PRO GLY SER SEQRES 22 A 333 ASN THR TYR GLU ASP ALA ALA ALA TYR ILE GLN THR GLN SEQRES 23 A 333 PHE GLU SER LYS ASN ARG SER PRO ASN LYS GLU ILE TYR SEQRES 24 A 333 CYS HIS MET THR CYS ALA THR ASP THR ASN ASN ILE GLN SEQRES 25 A 333 VAL VAL PHE ASP ALA VAL THR ASP ILE ILE ILE ALA ASN SEQRES 26 A 333 ASN LEU ARG GLY CYS GLY LEU TYR SEQRES 1 B 129 GLY SER PHE SER GLU ASP VAL LEU GLY TRP ARG GLU SER SEQRES 2 B 129 PHE ASP LEU LEU LEU ASN SER LYS ASN GLY VAL ALA ALA SEQRES 3 B 129 PHE HIS ALA PHE LEU LYS THR GLU PHE SER GLU GLU ASN SEQRES 4 B 129 LEU GLU PHE TRP LEU ALA CYS GLU GLU PHE LYS LYS ILE SEQRES 5 B 129 ARG SER ALA THR LYS LEU ALA SER ARG ALA HIS HIS ILE SEQRES 6 B 129 PHE ASP GLU TYR ILE ARG SER GLU ALA PRO LYS GLU VAL SEQRES 7 B 129 ASN ILE ASP HIS GLU THR ARG GLU LEU THR LYS THR ASN SEQRES 8 B 129 LEU GLN ALA ALA THR THR SER CYS PHE ASP VAL ALA GLN SEQRES 9 B 129 GLY LYS THR ARG THR LEU MET GLU LYS ASP SER TYR PRO SEQRES 10 B 129 ARG PHE LEU LYS SER PRO ALA TYR ARG ASP LEU ALA SEQRES 1 C 333 ASN LEU LYS GLU ASP GLY ILE SER ALA ALA LYS ASP VAL SEQRES 2 C 333 LYS LEU LEU LEU LEU GLY ALA GLY GLU SER GLY LYS SER SEQRES 3 C 333 THR ILE VAL LYS GLN MET LYS ILE ILE HIS GLU ASP GLY SEQRES 4 C 333 PHE SER GLY GLU ASP VAL LYS GLN TYR LYS PRO VAL VAL SEQRES 5 C 333 TYR SER ASN THR ILE GLN SER LEU ALA ALA ILE VAL ARG SEQRES 6 C 333 ALA MET ASP THR LEU GLY VAL GLU TYR GLY ASP LYS GLU SEQRES 7 C 333 ARG LYS THR ASP SER LYS MET VAL CYS ASP VAL VAL SER SEQRES 8 C 333 ARG MET GLU ASP THR GLU PRO PHE SER ALA GLU LEU LEU SEQRES 9 C 333 SER ALA MET MET ARG LEU TRP GLY ASP SER GLY ILE GLN SEQRES 10 C 333 GLU CYS PHE ASN ARG SER ARG GLU TYR GLN LEU ASN ASP SEQRES 11 C 333 SER ALA LYS TYR TYR LEU ASP SER LEU ASP ARG ILE GLY SEQRES 12 C 333 ALA GLY ASP TYR GLN PRO THR GLU GLN ASP ILE LEU ARG SEQRES 13 C 333 THR ARG VAL LYS THR THR GLY ILE VAL GLU THR HIS PHE SEQRES 14 C 333 THR PHE LYS ASN LEU HIS PHE ARG LEU PHE ASP VAL GLY SEQRES 15 C 333 GLY GLN ARG SER GLU ARG LYS LYS TRP ILE HIS CYS PHE SEQRES 16 C 333 GLU ASP VAL THR ALA ILE ILE PHE CYS VAL ALA LEU SER SEQRES 17 C 333 GLY TYR ASP GLN VAL LEU HIS GLU ASP GLU THR THR ASN SEQRES 18 C 333 ARG MET HIS GLU SER LEU MET LEU PHE ASP SER ILE CYS SEQRES 19 C 333 ASN ASN LYS PHE PHE ILE ASP THR SER ILE ILE LEU PHE SEQRES 20 C 333 LEU ASN LYS LYS ASP LEU PHE GLY GLU LYS ILE LYS LYS SEQRES 21 C 333 SER PRO LEU THR ILE CYS PHE PRO GLU TYR PRO GLY SER SEQRES 22 C 333 ASN THR TYR GLU ASP ALA ALA ALA TYR ILE GLN THR GLN SEQRES 23 C 333 PHE GLU SER LYS ASN ARG SER PRO ASN LYS GLU ILE TYR SEQRES 24 C 333 CYS HIS MET THR CYS ALA THR ASP THR ASN ASN ILE GLN SEQRES 25 C 333 VAL VAL PHE ASP ALA VAL THR ASP ILE ILE ILE ALA ASN SEQRES 26 C 333 ASN LEU ARG GLY CYS GLY LEU TYR SEQRES 1 D 129 GLY SER PHE SER GLU ASP VAL LEU GLY TRP ARG GLU SER SEQRES 2 D 129 PHE ASP LEU LEU LEU ASN SER LYS ASN GLY VAL ALA ALA SEQRES 3 D 129 PHE HIS ALA PHE LEU LYS THR GLU PHE SER GLU GLU ASN SEQRES 4 D 129 LEU GLU PHE TRP LEU ALA CYS GLU GLU PHE LYS LYS ILE SEQRES 5 D 129 ARG SER ALA THR LYS LEU ALA SER ARG ALA HIS HIS ILE SEQRES 6 D 129 PHE ASP GLU TYR ILE ARG SER GLU ALA PRO LYS GLU VAL SEQRES 7 D 129 ASN ILE ASP HIS GLU THR ARG GLU LEU THR LYS THR ASN SEQRES 8 D 129 LEU GLN ALA ALA THR THR SER CYS PHE ASP VAL ALA GLN SEQRES 9 D 129 GLY LYS THR ARG THR LEU MET GLU LYS ASP SER TYR PRO SEQRES 10 D 129 ARG PHE LEU LYS SER PRO ALA TYR ARG ASP LEU ALA

HET MG A 362 1 HET ALF A 365 5 HET MG C 362 1 HET ALF C 365 5 HET GDP A 361 28 HET GDP C 361 28

HETNAM MG MAGNESIUM ION HETNAM ALF TETRAFLUOROALUMINATE ION HETNAM GDP GUANOSINE-5'-DIPHOSPHATE

FORMUL 5 MG 2(MG 2+) FORMUL 6 ALF 2(AL F4 1-) FORMUL 9 GDP 2(C10 H15 N5 O11 P2) FORMUL 11 HOH *6(H2 O)

HELIX 1 1 ILE A 49 MET A 53 5 5 HELIX 2 2 SER A 62 GLY A 92 1 31 HELIX 3 3 GLU A 99 MET A 114 1 16 HELIX 4 4 SER A 121 TRP A 132 1 12 HELIX 5 5 ASP A 134 ASN A 142 1 9 HELIX 6 6 SER A 152 ASP A 158 1 7 HELIX 7 7 SER A 159 GLY A 164 1 6 HELIX 8 8 GLU A 208 ILE A 213 1 6 HELIX 9 9 HIS A 214 GLU A 217 5 4 HELIX 10 10 ALA A 227 GLN A 233 5 7 HELIX 11 11 ASN A 242 ASN A 256 1 15 HELIX 12 12 ASN A 257 ILE A 261 5 5 HELIX 13 13 LYS A 271 LYS A 280 1 10 HELIX 14 14 PRO A 283 CYS A 287 5 5 HELIX 15 15 THR A 296 LYS A 311 1 16 HELIX 16 16 ASP A 328 ALA A 345 1 18 HELIX 17 17 SER B 64 ASN B 70 1 7 HELIX 18 18 SER B 71 PHE B 86 1 16 HELIX 19 19 GLU B 88 LYS B 101 1 14 HELIX 20 20 SER B 105 TYR B 120 1 16 HELIX 21 21 ASP B 132 LEU B 143 1 12 HELIX 22 22 GLN B 144 ALA B 146 5 3 HELIX 23 23 PHE B 151 ASP B 165 1 15 HELIX 24 24 TYR B 167 LYS B 172 1 6 HELIX 25 25 SER B 173 ARG B 177 5 5 HELIX 26 26 GLY C 45 GLU C 58 1 14 HELIX 27 27 ASP C 65 GLY C 92 1 28 HELIX 28 28 GLU C 99 ARG C 113 1 15 HELIX 29 29 SER C 121 GLY C 133 1 13 HELIX 30 30 ASP C 134 ASN C 142 1 9 HELIX 31 31 SER C 152 ASP C 158 1 7 HELIX 32 32 SER C 159 ALA C 165 1 7 HELIX 33 33 THR C 171 ARG C 177 1 7 HELIX 34 34 GLU C 208 ILE C 213 1 6 HELIX 35 35 HIS C 214 GLU C 217 5 4 HELIX 36 36 ALA C 227 GLN C 233 5 7 HELIX 37 37 ASN C 242 ASN C 256 1 15 HELIX 38 38 ASN C 257 ILE C 261 5 5 HELIX 39 39 LYS C 271 GLU C 277 1 7 HELIX 40 40 PRO C 283 CYS C 287 5 5 HELIX 41 41 THR C 296 LYS C 311 1 16 HELIX 42 42 ASP C 328 ALA C 345 1 18 HELIX 43 43 PHE D 65 LEU D 69 5 5 HELIX 44 44 ASN D 73 LYS D 83 1 11 HELIX 45 45 GLU D 88 LYS D 101 1 14 HELIX 46 46 SER D 105 ILE D 121 1 17 HELIX 47 47 ASP D 132 LEU D 143 1 12 HELIX 48 48 PHE D 151 GLU D 163 1 13 HELIX 49 49 TYR D 167 LYS D 172 1 6

SHEET 1 A 6 VAL A 186 THR A 188 0 SHEET 2 A 6 LEU A 199 ASP A 201 -1 O LEU A 199 N THR A 188 SHEET 3 A 6 LEU A 36 GLY A 40 1 N LEU A 38 O PHE A 200 SHEET 4 A 6 ALA A 221 CYS A 225 1 O ILE A 223 N LEU A 37 SHEET 5 A 6 SER A 264 PHE A 268 1 O ILE A 266 N ILE A 222 SHEET 6 A 6 ILE A 319 TYR A 320 1 O TYR A 320 N LEU A 267 SHEET 1 B 6 VAL C 186 THR C 191 0 SHEET 2 B 6 HIS C 196 ASP C 201 -1 O LEU C 199 N THR C 188 SHEET 3 B 6 LEU C 36 GLY C 40 1 N LEU C 36 O ARG C 198 SHEET 4 B 6 ALA C 221 CYS C 225 1 O ALA C 221 N LEU C 37 SHEET 5 B 6 SER C 264 PHE C 268 1 O SER C 264 N ILE C 222 SHEET 6 B 6 ILE C 319 HIS C 322 1 O TYR C 320 N LEU C 267

LINK OG1 THR A 182 MG MG A 362 1555 1555 2.18 LINK OG1 THR C 182 MG MG C 362 1555 1555 2.42 LINK MG MG A 362 O2B GDP A 361 1555 1555 2.07 LINK MG MG C 362 O2B GDP C 361 1555 1555 2.20 LINK MG MG A 362 O HOH A 403 1555 1555 2.48 LINK MG MG C 362 O HOH C 402 1555 1555 2.26

SITE 1 AC1 2 SER A 47 THR A 182 SITE 1 AC2 9 ALA A 41 GLY A 42 GLU A 43 LYS A 46 SITE 2 AC2 9 ARG A 179 LYS A 181 THR A 182 GLY A 204 SITE 3 AC2 9 GLN A 205 SITE 1 AC3 2 SER C 47 THR C 182 SITE 1 AC4 8 GLY C 42 GLU C 43 LYS C 46 ARG C 179 SITE 2 AC4 8 LYS C 181 THR C 182 GLY C 204 GLN C 205 SITE 1 AC5 19 GLU A 43 SER A 44 GLY A 45 LYS A 46 SITE 2 AC5 19 SER A 47 THR A 48 ASP A 151 SER A 152 SITE 3 AC5 19 LEU A 176 ARG A 177 THR A 178 ARG A 179 SITE 4 AC5 19 ASN A 270 LYS A 271 ASP A 273 LEU A 274 SITE 5 AC5 19 CYS A 325 ALA A 326 THR A 327 SITE 1 AC6 18 GLU C 43 SER C 44 GLY C 45 LYS C 46 SITE 2 AC6 18 SER C 47 THR C 48 ASP C 151 SER C 152 SITE 3 AC6 18 LEU C 176 ARG C 177 THR C 178 ARG C 179 SITE 4 AC6 18 ASN C 270 LYS C 271 ASP C 273 LEU C 274 SITE 5 AC6 18 CYS C 325 ALA C 326

CRYST1 96.357 96.357 235.610 90.00 90.00 120.00 P 32 2 1 12

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 0.010378 0.005992 0.000000 0.00000

SCALE2 0.000000 0.011984 0.000000 0.00000

SCALE3 0.000000 0.000000 0.004244 0.00000