HEADER SIGNALING PROTEIN 09-APR-14 4PAQ TITLE A CONSERVED PHENYLALANINE AS RELAY BETWEEN THE 5 HELIX AND THE GDP TITLE 2 BINDING REGION OF HETEROTRIMERIC G PROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G(I) SUBUNIT ALPHA-1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ADENYLATE CYCLASE-INHIBITING G ALPHA PROTEIN; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: GNAI1, GNAI-1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ACTIVATION OF HETEROTRIMERIC G PROTEIN, GDP RELEASE, COMPUTER KEYWDS 2 MODELING, G PROTEIN COUPLED RECEPTORS, RHODOPSIN, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.I.KAYA,A.D.LOKITS,J.GILBERT,T.M.IVERSON,J.MEILER,H.E.HAMM REVDAT 8 27-SEP-23 4PAQ 1 REMARK REVDAT 7 30-MAR-22 4PAQ 1 REMARK REVDAT 6 27-NOV-19 4PAQ 1 REMARK REVDAT 5 22-NOV-17 4PAQ 1 REMARK REVDAT 4 13-SEP-17 4PAQ 1 SOURCE JRNL REMARK REVDAT 3 01-OCT-14 4PAQ 1 JRNL REVDAT 2 06-AUG-14 4PAQ 1 AUTHOR REVDAT 1 30-JUL-14 4PAQ 0 JRNL AUTH A.I.KAYA,A.D.LOKITS,J.A.GILBERT,T.M.IVERSON,J.MEILER, JRNL AUTH 2 H.E.HAMM JRNL TITL A CONSERVED PHENYLALANINE AS A RELAY BETWEEN THE ALPHA 5 JRNL TITL 2 HELIX AND THE GDP BINDING REGION OF HETEROTRIMERIC GI JRNL TITL 3 PROTEIN ALPHA SUBUNIT. JRNL REF J.BIOL.CHEM. V. 289 24475 2014 JRNL REFN ESSN 1083-351X JRNL PMID 25037222 JRNL DOI 10.1074/JBC.M114.572875 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.2_1309) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.70 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 26437 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.174 REMARK 3 R VALUE (WORKING SET) : 0.170 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.150 REMARK 3 FREE R VALUE TEST SET COUNT : 2683 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 41.7531 - 5.3268 1.00 1351 151 0.1644 0.1735 REMARK 3 2 5.3268 - 4.2293 1.00 1328 121 0.1393 0.1562 REMARK 3 3 4.2293 - 3.6951 1.00 1267 152 0.1476 0.1638 REMARK 3 4 3.6951 - 3.3574 1.00 1262 147 0.1674 0.1967 REMARK 3 5 3.3574 - 3.1168 1.00 1227 171 0.1864 0.1863 REMARK 3 6 3.1168 - 2.9331 1.00 1257 116 0.1832 0.2240 REMARK 3 7 2.9331 - 2.7863 1.00 1281 140 0.1937 0.2503 REMARK 3 8 2.7863 - 2.6650 1.00 1243 131 0.1732 0.2613 REMARK 3 9 2.6650 - 2.5624 1.00 1219 152 0.1817 0.2422 REMARK 3 10 2.5624 - 2.4740 1.00 1246 133 0.1682 0.2127 REMARK 3 11 2.4740 - 2.3967 1.00 1254 138 0.1759 0.1984 REMARK 3 12 2.3967 - 2.3282 1.00 1238 143 0.1623 0.2297 REMARK 3 13 2.3282 - 2.2669 1.00 1243 136 0.1726 0.2345 REMARK 3 14 2.2669 - 2.2116 1.00 1223 149 0.1798 0.2507 REMARK 3 15 2.2116 - 2.1613 1.00 1218 154 0.1804 0.2304 REMARK 3 16 2.1613 - 2.1153 1.00 1239 137 0.1826 0.2225 REMARK 3 17 2.1153 - 2.0730 1.00 1225 151 0.1853 0.2469 REMARK 3 18 2.0730 - 2.0339 1.00 1222 138 0.1833 0.2421 REMARK 3 19 2.0339 - 2.0000 0.96 1211 123 0.1882 0.2354 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.240 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 2649 REMARK 3 ANGLE : 1.009 3582 REMARK 3 CHIRALITY : 0.068 395 REMARK 3 PLANARITY : 0.003 454 REMARK 3 DIHEDRAL : 14.023 987 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4PAQ 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_1000201030. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-JUL-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.9-6.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-G REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.978 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26483 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 41.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 5.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.10200 REMARK 200 FOR THE DATA SET : 17.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 5.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.44600 REMARK 200 FOR SHELL : 3.910 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: 1GIA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.91 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: (NH4)2SO3, SODIUM ACETATE, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 291K 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 70.09400 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 35.04700 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 35.04700 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 70.09400 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1060 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14510 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -18.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 MET A 1 REMARK 465 GLY A 2 REMARK 465 CYS A 3 REMARK 465 THR A 4 REMARK 465 LEU A 5 REMARK 465 SER A 6 REMARK 465 ALA A 7 REMARK 465 GLU A 8 REMARK 465 ASP A 9 REMARK 465 LYS A 10 REMARK 465 ALA A 11 REMARK 465 ALA A 12 REMARK 465 VAL A 13 REMARK 465 GLU A 14 REMARK 465 ARG A 15 REMARK 465 SER A 16 REMARK 465 LYS A 17 REMARK 465 MET A 18 REMARK 465 ILE A 19 REMARK 465 ASP A 20 REMARK 465 ARG A 21 REMARK 465 ASN A 22 REMARK 465 LEU A 23 REMARK 465 ARG A 24 REMARK 465 GLU A 25 REMARK 465 ASP A 26 REMARK 465 GLY A 27 REMARK 465 GLU A 28 REMARK 465 LYS A 29 REMARK 465 ALA A 30 REMARK 465 ALA A 31 REMARK 465 ARG A 32 REMARK 465 LYS A 349 REMARK 465 ASP A 350 REMARK 465 CYS A 351 REMARK 465 GLY A 352 REMARK 465 LEU A 353 REMARK 465 PHE A 354 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 TYR A 146 -157.60 -141.86 REMARK 500 ASP A 237 111.35 -166.38 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 402 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 47 OG REMARK 620 2 THR A 181 OG1 84.5 REMARK 620 3 GSP A 401 O2G 173.5 89.5 REMARK 620 4 GSP A 401 O2B 91.5 175.0 94.4 REMARK 620 5 HOH A 564 O 89.8 88.9 92.6 94.1 REMARK 620 6 HOH A 565 O 90.9 88.2 86.4 88.9 176.9 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GSP A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG A 402 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4PAN RELATED DB: PDB REMARK 900 RELATED ID: 4PAM RELATED DB: PDB REMARK 900 RELATED ID: 4PAO RELATED DB: PDB DBREF 4PAQ A 1 354 UNP P10824 GNAI1_RAT 1 354 SEQADV 4PAQ TYR A 336 UNP P10824 PHE 336 ENGINEERED MUTATION SEQRES 1 A 354 MET GLY CYS THR LEU SER ALA GLU ASP LYS ALA ALA VAL SEQRES 2 A 354 GLU ARG SER LYS MET ILE ASP ARG ASN LEU ARG GLU ASP SEQRES 3 A 354 GLY GLU LYS ALA ALA ARG GLU VAL LYS LEU LEU LEU LEU SEQRES 4 A 354 GLY ALA GLY GLU SER GLY LYS SER THR ILE VAL LYS GLN SEQRES 5 A 354 MET LYS ILE ILE HIS GLU ALA GLY TYR SER GLU GLU GLU SEQRES 6 A 354 CYS LYS GLN TYR LYS ALA VAL VAL TYR SER ASN THR ILE SEQRES 7 A 354 GLN SER ILE ILE ALA ILE ILE ARG ALA MET GLY ARG LEU SEQRES 8 A 354 LYS ILE ASP PHE GLY ASP ALA ALA ARG ALA ASP ASP ALA SEQRES 9 A 354 ARG GLN LEU PHE VAL LEU ALA GLY ALA ALA GLU GLU GLY SEQRES 10 A 354 PHE MET THR ALA GLU LEU ALA GLY VAL ILE LYS ARG LEU SEQRES 11 A 354 TRP LYS ASP SER GLY VAL GLN ALA CYS PHE ASN ARG SER SEQRES 12 A 354 ARG GLU TYR GLN LEU ASN ASP SER ALA ALA TYR TYR LEU SEQRES 13 A 354 ASN ASP LEU ASP ARG ILE ALA GLN PRO ASN TYR ILE PRO SEQRES 14 A 354 THR GLN GLN ASP VAL LEU ARG THR ARG VAL LYS THR THR SEQRES 15 A 354 GLY ILE VAL GLU THR HIS PHE THR PHE LYS ASP LEU HIS SEQRES 16 A 354 PHE LYS MET PHE ASP VAL GLY GLY GLN ARG SER GLU ARG SEQRES 17 A 354 LYS LYS TRP ILE HIS CYS PHE GLU GLY VAL THR ALA ILE SEQRES 18 A 354 ILE PHE CYS VAL ALA LEU SER ASP TYR ASP LEU VAL LEU SEQRES 19 A 354 ALA GLU ASP GLU GLU MET ASN ARG MET HIS GLU SER MET SEQRES 20 A 354 LYS LEU PHE ASP SER ILE CYS ASN ASN LYS TRP PHE THR SEQRES 21 A 354 ASP THR SER ILE ILE LEU PHE LEU ASN LYS LYS ASP LEU SEQRES 22 A 354 PHE GLU GLU LYS ILE LYS LYS SER PRO LEU THR ILE CYS SEQRES 23 A 354 TYR PRO GLU TYR ALA GLY SER ASN THR TYR GLU GLU ALA SEQRES 24 A 354 ALA ALA TYR ILE GLN CYS GLN PHE GLU ASP LEU ASN LYS SEQRES 25 A 354 ARG LYS ASP THR LYS GLU ILE TYR THR HIS PHE THR CYS SEQRES 26 A 354 ALA THR ASP THR LYS ASN VAL GLN PHE VAL TYR ASP ALA SEQRES 27 A 354 VAL THR ASP VAL ILE ILE LYS ASN ASN LEU LYS ASP CYS SEQRES 28 A 354 GLY LEU PHE HET GSP A 401 32 HET MG A 402 1 HETNAM GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE HETNAM MG MAGNESIUM ION FORMUL 2 GSP C10 H16 N5 O13 P3 S FORMUL 3 MG MG 2+ FORMUL 4 HOH *169(H2 O) HELIX 1 AA1 GLY A 45 GLU A 58 1 14 HELIX 2 AA2 SER A 62 TYR A 69 1 8 HELIX 3 AA3 TYR A 69 LYS A 92 1 24 HELIX 4 AA4 ALA A 99 GLU A 116 1 18 HELIX 5 AA5 THR A 120 ASP A 133 1 14 HELIX 6 AA6 ASP A 133 ASN A 141 1 9 HELIX 7 AA7 ARG A 142 TYR A 146 5 5 HELIX 8 AA8 SER A 151 ASN A 157 1 7 HELIX 9 AA9 ASP A 158 ALA A 163 1 6 HELIX 10 AB1 THR A 170 THR A 177 1 8 HELIX 11 AB2 GLN A 204 PHE A 215 5 12 HELIX 12 AB3 SER A 228 ASP A 231 5 4 HELIX 13 AB4 ARG A 242 ASN A 255 1 14 HELIX 14 AB5 ASN A 256 THR A 260 5 5 HELIX 15 AB6 LYS A 270 ILE A 278 1 9 HELIX 16 AB7 PRO A 282 CYS A 286 5 5 HELIX 17 AB8 THR A 295 ASP A 309 1 15 HELIX 18 AB9 ASP A 328 LEU A 348 1 21 SHEET 1 AA1 6 ILE A 184 PHE A 191 0 SHEET 2 AA1 6 LEU A 194 VAL A 201 -1 O PHE A 196 N PHE A 189 SHEET 3 AA1 6 VAL A 34 LEU A 39 1 N LEU A 36 O PHE A 199 SHEET 4 AA1 6 ALA A 220 ALA A 226 1 O CYS A 224 N LEU A 39 SHEET 5 AA1 6 SER A 263 ASN A 269 1 O ILE A 265 N PHE A 223 SHEET 6 AA1 6 ILE A 319 PHE A 323 1 O HIS A 322 N LEU A 266 SHEET 1 AA2 2 VAL A 233 LEU A 234 0 SHEET 2 AA2 2 ASP A 237 ASN A 241 -1 O MET A 240 N LEU A 234 LINK OG SER A 47 MG MG A 402 1555 1555 2.08 LINK OG1 THR A 181 MG MG A 402 1555 1555 2.07 LINK O2G GSP A 401 MG MG A 402 1555 1555 2.04 LINK O2B GSP A 401 MG MG A 402 1555 1555 2.07 LINK MG MG A 402 O HOH A 564 1555 1555 2.01 LINK MG MG A 402 O HOH A 565 1555 1555 2.14 SITE 1 AC1 29 GLY A 42 GLU A 43 SER A 44 GLY A 45 SITE 2 AC1 29 LYS A 46 SER A 47 THR A 48 SER A 151 SITE 3 AC1 29 LEU A 175 ARG A 176 THR A 177 ARG A 178 SITE 4 AC1 29 THR A 181 GLY A 202 GLY A 203 ASN A 269 SITE 5 AC1 29 LYS A 270 ASP A 272 LEU A 273 CYS A 325 SITE 6 AC1 29 ALA A 326 THR A 327 MG A 402 HOH A 564 SITE 7 AC1 29 HOH A 565 HOH A 567 HOH A 613 HOH A 614 SITE 8 AC1 29 HOH A 618 SITE 1 AC2 5 SER A 47 THR A 181 GSP A 401 HOH A 564 SITE 2 AC2 5 HOH A 565 CRYST1 79.300 79.300 105.141 90.00 90.00 120.00 P 32 2 1 6 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 0.012610 0.007281 0.000000 0.00000 SCALE2 0.000000 0.014561 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009511 0.00000