HEADER HYDROLASE 01-OCT-13 4N0D TITLE CRYSTAL STRUCTURE OF THE K345L VARIANT OF THE GI ALPHA1 SUBUNIT BOUND TITLE 2 TO GTPGAMMAS 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 EC: 3.6.5.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: BROWN RAT,RAT,RATS; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: GNAI-1, GNAI1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21-GOLD (DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PPAL7 KEYWDS ROSSMANN FOLD, GUANINE NUCLEOTIDE BINDING PROTEIN, GDP, GTP, KEYWDS 2 MAGNESIUM BINDING, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR T.M.THAKER,A.M.PREININGER,M.SARWAR,H.E.HAMM,T.M.IVERSON REVDAT 5 20-SEP-23 4N0D 1 REMARK SEQADV LINK REVDAT 4 12-NOV-14 4N0D 1 KEYWDS REVDAT 3 07-MAY-14 4N0D 1 JRNL REVDAT 2 02-APR-14 4N0D 1 JRNL REVDAT 1 12-MAR-14 4N0D 0 JRNL AUTH T.M.THAKER,M.SARWAR,A.M.PREININGER,H.E.HAMM,T.M.IVERSON JRNL TITL A TRANSIENT INTERACTION BETWEEN THE PHOSPHATE BINDING LOOP JRNL TITL 2 AND SWITCH I CONTRIBUTES TO THE ALLOSTERIC NETWORK BETWEEN JRNL TITL 3 RECEPTOR AND NUCLEOTIDE IN G ALPHA I1. JRNL REF J.BIOL.CHEM. V. 289 11331 2014 JRNL REFN ISSN 0021-9258 JRNL PMID 24596087 JRNL DOI 10.1074/JBC.M113.539064 REMARK 2 REMARK 2 RESOLUTION. 1.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.3_1479) 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) : 1.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.81 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 3 NUMBER OF REFLECTIONS : 55216 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.159 REMARK 3 R VALUE (WORKING SET) : 0.157 REMARK 3 FREE R VALUE : 0.187 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.090 REMARK 3 FREE R VALUE TEST SET COUNT : 2806 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 28.8124 - 4.1977 0.91 2609 133 0.1616 0.1803 REMARK 3 2 4.1977 - 3.3335 0.98 2706 156 0.1370 0.1471 REMARK 3 3 3.3335 - 2.9126 1.00 2712 143 0.1584 0.1790 REMARK 3 4 2.9126 - 2.6465 1.00 2684 143 0.1663 0.1983 REMARK 3 5 2.6465 - 2.4569 1.00 2687 163 0.1616 0.1861 REMARK 3 6 2.4569 - 2.3121 1.00 2678 131 0.1556 0.2019 REMARK 3 7 2.3121 - 2.1963 0.99 2658 117 0.1499 0.1901 REMARK 3 8 2.1963 - 2.1008 0.99 2680 119 0.1523 0.1921 REMARK 3 9 2.1008 - 2.0199 0.99 2632 147 0.1537 0.2193 REMARK 3 10 2.0199 - 1.9502 0.99 2642 131 0.1493 0.1896 REMARK 3 11 1.9502 - 1.8893 0.98 2627 133 0.1503 0.1726 REMARK 3 12 1.8893 - 1.8353 0.99 2620 153 0.1547 0.2165 REMARK 3 13 1.8353 - 1.7870 0.98 2603 143 0.1611 0.2093 REMARK 3 14 1.7870 - 1.7434 0.99 2622 159 0.1692 0.2497 REMARK 3 15 1.7434 - 1.7037 0.99 2620 141 0.1736 0.2171 REMARK 3 16 1.7037 - 1.6675 0.99 2651 125 0.1729 0.2367 REMARK 3 17 1.6675 - 1.6341 0.98 2591 147 0.1902 0.2269 REMARK 3 18 1.6341 - 1.6033 0.96 2524 150 0.1884 0.2331 REMARK 3 19 1.6033 - 1.5747 0.93 2457 137 0.1913 0.2158 REMARK 3 20 1.5747 - 1.5500 0.90 2359 135 0.1931 0.2547 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) : 0.150 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.080 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 : 0.018 2782 REMARK 3 ANGLE : 1.786 3787 REMARK 3 CHIRALITY : 0.092 424 REMARK 3 PLANARITY : 0.009 481 REMARK 3 DIHEDRAL : 14.075 1070 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 4N0D COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-OCT-13. REMARK 100 THE DEPOSITION ID IS D_1000082592. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-JUN-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 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-F REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : C(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 55216 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.550 REMARK 200 RESOLUTION RANGE LOW (A) : 68.966 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.61 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.0 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 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: PHASER REMARK 200 STARTING MODEL: PDB 2ZJY WAS USED AS THE STARTING MODEL. REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.05 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.2 M AMMONIUM SULFITE, PH 8.0, 20 MM REMARK 280 MAGNESIUM SULFATE, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 293K 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 69.88333 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 34.94167 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 34.94167 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 69.88333 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 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 GLY A -1 REMARK 465 SER A 0 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 GLY A 352 REMARK 465 LEU A 353 REMARK 465 PHE A 354 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 88.0 REMARK 620 3 GSP A 403 O2B 91.3 174.9 REMARK 620 4 GSP A 403 O2G 174.4 88.4 92.0 REMARK 620 5 HOH A 633 O 89.3 87.8 87.1 86.3 REMARK 620 6 HOH A 634 O 91.7 90.9 94.1 92.6 178.3 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 SO3 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 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GSP A 403 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4N0E RELATED DB: PDB REMARK 900 RELATED ID: 1GIA RELATED DB: PDB REMARK 900 THE WILD-TYPE VARIANT OF THE SAME PROTEIN BOUND TO GTPGAMMAS REMARK 900 RELATED ID: 1GFI RELATED DB: PDB REMARK 900 THE WILD-TYPE VARIANT OF THE SAME PROTEIN BOUND TO GDP/ALUMINUM REMARK 900 FLUORIDE REMARK 900 RELATED ID: 1BH2 RELATED DB: PDB REMARK 900 THE A326S VARIANT OF THE SAME PROTEIN BOUND TO GTPGAMMAS REMARK 900 RELATED ID: 1AS2 RELATED DB: PDB REMARK 900 THE G42V VARIANT OF THE SAME PROTEIN BOUND TO GTPGAMMAS REMARK 900 RELATED ID: 1GIL RELATED DB: PDB REMARK 900 THE Q204L VARIANT OF THE SAME PROTEIN BOUND TO GTPGAMMAS REMARK 900 RELATED ID: 3D7M RELATED DB: PDB REMARK 900 THE I56C/Q333C DOUBLE MUTANT OF THE SAME PROTEIN BOUND TO GDP/ REMARK 900 ALUMINUM FLUORIDE REMARK 900 RELATED ID: 1SVK RELATED DB: PDB REMARK 900 THE K180P VARIANT OF THE SAME PROTEIN BOUND TO GDP/ALUMINUM FLUORIDE REMARK 900 RELATED ID: 2ZJY RELATED DB: PDB REMARK 900 THE K349P VARIANT OF THE SAME PROTEIN BOUND TO GDP/ALUMINUM FLUORIDE DBREF 4N0D A 1 354 UNP P10824 GNAI1_RAT 1 354 SEQADV 4N0D GLY A -1 UNP P10824 EXPRESSION TAG SEQADV 4N0D SER A 0 UNP P10824 EXPRESSION TAG SEQADV 4N0D LEU A 345 UNP P10824 LYS 345 ENGINEERED MUTATION SEQRES 1 A 356 GLY SER MET GLY CYS THR LEU SER ALA GLU ASP LYS ALA SEQRES 2 A 356 ALA VAL GLU ARG SER LYS MET ILE ASP ARG ASN LEU ARG SEQRES 3 A 356 GLU ASP GLY GLU LYS ALA ALA ARG GLU VAL LYS LEU LEU SEQRES 4 A 356 LEU LEU GLY ALA GLY GLU SER GLY LYS SER THR ILE VAL SEQRES 5 A 356 LYS GLN MET LYS ILE ILE HIS GLU ALA GLY TYR SER GLU SEQRES 6 A 356 GLU GLU CYS LYS GLN TYR LYS ALA VAL VAL TYR SER ASN SEQRES 7 A 356 THR ILE GLN SER ILE ILE ALA ILE ILE ARG ALA MET GLY SEQRES 8 A 356 ARG LEU LYS ILE ASP PHE GLY ASP ALA ALA ARG ALA ASP SEQRES 9 A 356 ASP ALA ARG GLN LEU PHE VAL LEU ALA GLY ALA ALA GLU SEQRES 10 A 356 GLU GLY PHE MET THR ALA GLU LEU ALA GLY VAL ILE LYS SEQRES 11 A 356 ARG LEU TRP LYS ASP SER GLY VAL GLN ALA CYS PHE ASN SEQRES 12 A 356 ARG SER ARG GLU TYR GLN LEU ASN ASP SER ALA ALA TYR SEQRES 13 A 356 TYR LEU ASN ASP LEU ASP ARG ILE ALA GLN PRO ASN TYR SEQRES 14 A 356 ILE PRO THR GLN GLN ASP VAL LEU ARG THR ARG VAL LYS SEQRES 15 A 356 THR THR GLY ILE VAL GLU THR HIS PHE THR PHE LYS ASP SEQRES 16 A 356 LEU HIS PHE LYS MET PHE ASP VAL GLY GLY GLN ARG SER SEQRES 17 A 356 GLU ARG LYS LYS TRP ILE HIS CYS PHE GLU GLY VAL THR SEQRES 18 A 356 ALA ILE ILE PHE CYS VAL ALA LEU SER ASP TYR ASP LEU SEQRES 19 A 356 VAL LEU ALA GLU ASP GLU GLU MET ASN ARG MET HIS GLU SEQRES 20 A 356 SER MET LYS LEU PHE ASP SER ILE CYS ASN ASN LYS TRP SEQRES 21 A 356 PHE THR ASP THR SER ILE ILE LEU PHE LEU ASN LYS LYS SEQRES 22 A 356 ASP LEU PHE GLU GLU LYS ILE LYS LYS SER PRO LEU THR SEQRES 23 A 356 ILE CYS TYR PRO GLU TYR ALA GLY SER ASN THR TYR GLU SEQRES 24 A 356 GLU ALA ALA ALA TYR ILE GLN CYS GLN PHE GLU ASP LEU SEQRES 25 A 356 ASN LYS ARG LYS ASP THR LYS GLU ILE TYR THR HIS PHE SEQRES 26 A 356 THR CYS ALA THR ASP THR LYS ASN VAL GLN PHE VAL PHE SEQRES 27 A 356 ASP ALA VAL THR ASP VAL ILE ILE LEU ASN ASN LEU LYS SEQRES 28 A 356 ASP CYS GLY LEU PHE HET SO3 A 401 4 HET MG A 402 1 HET GSP A 403 32 HETNAM SO3 SULFITE ION HETNAM MG MAGNESIUM ION HETNAM GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE FORMUL 2 SO3 O3 S 2- FORMUL 3 MG MG 2+ FORMUL 4 GSP C10 H16 N5 O13 P3 S FORMUL 5 HOH *382(H2 O) HELIX 1 1 GLY A 45 GLU A 58 1 14 HELIX 2 2 SER A 62 TYR A 69 1 8 HELIX 3 3 TYR A 69 LYS A 92 1 24 HELIX 4 4 ALA A 99 GLU A 116 1 18 HELIX 5 5 THR A 120 ASP A 133 1 14 HELIX 6 6 ASP A 133 ASN A 141 1 9 HELIX 7 7 ARG A 142 TYR A 146 5 5 HELIX 8 8 SER A 151 ASN A 157 1 7 HELIX 9 9 ASP A 158 ALA A 163 1 6 HELIX 10 10 THR A 170 ARG A 176 1 7 HELIX 11 11 GLN A 204 PHE A 215 5 12 HELIX 12 12 SER A 228 LEU A 232 5 5 HELIX 13 13 ASN A 241 ASN A 255 1 15 HELIX 14 14 ASN A 256 THR A 260 5 5 HELIX 15 15 LYS A 270 ILE A 278 1 9 HELIX 16 16 PRO A 282 CYS A 286 5 5 HELIX 17 17 THR A 295 ASP A 309 1 15 HELIX 18 18 ASP A 328 LEU A 348 1 21 SHEET 1 A 6 ILE A 184 PHE A 191 0 SHEET 2 A 6 LEU A 194 VAL A 201 -1 O ASP A 200 N VAL A 185 SHEET 3 A 6 GLU A 33 GLY A 40 1 N LEU A 38 O PHE A 199 SHEET 4 A 6 ALA A 220 ALA A 226 1 O CYS A 224 N LEU A 39 SHEET 5 A 6 SER A 263 ASN A 269 1 O ILE A 265 N PHE A 223 SHEET 6 A 6 ILE A 319 PHE A 323 1 O TYR A 320 N ILE A 264 LINK OG SER A 47 MG MG A 402 1555 1555 2.01 LINK OG1 THR A 181 MG MG A 402 1555 1555 2.14 LINK MG MG A 402 O2B GSP A 403 1555 1555 2.09 LINK MG MG A 402 O2G GSP A 403 1555 1555 2.12 LINK MG MG A 402 O HOH A 633 1555 1555 2.11 LINK MG MG A 402 O HOH A 634 1555 1555 2.01 SITE 1 AC1 4 ALA A 101 ARG A 105 HOH A 550 HOH A 734 SITE 1 AC2 5 SER A 47 THR A 181 GSP A 403 HOH A 633 SITE 2 AC2 5 HOH A 634 SITE 1 AC3 28 GLU A 43 SER A 44 GLY A 45 LYS A 46 SITE 2 AC3 28 SER A 47 THR A 48 SER A 151 LEU A 175 SITE 3 AC3 28 ARG A 176 THR A 177 ARG A 178 THR A 181 SITE 4 AC3 28 GLY A 202 GLY A 203 ASN A 269 LYS A 270 SITE 5 AC3 28 ASP A 272 LEU A 273 CYS A 325 ALA A 326 SITE 6 AC3 28 THR A 327 MG A 402 HOH A 502 HOH A 513 SITE 7 AC3 28 HOH A 536 HOH A 593 HOH A 633 HOH A 634 CRYST1 79.635 79.635 104.825 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 0.012557 0.007250 0.000000 0.00000 SCALE2 0.000000 0.014500 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009540 0.00000