HEADER HYDROLASE, SIGNALING PROTEIN 29-MAR-04 1SVK TITLE STRUCTURE OF THE K180P MUTANT OF GI ALPHA SUBUNIT BOUND TO ALF4 AND TITLE 2 GDP COMPND MOL_ID: 1; COMPND 2 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G(I), ALPHA-1 SUBUNIT; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ADENYLATE CYCLASE-INHIBITING G ALPHA PROTEIN; COMPND 5 EC: 3.6.1.46; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: 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: GNAI1, GNAI-1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: JM-109; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PQE-60 KEYWDS GI ALPHA SUBUNIT, K180P MUTATION, ACTIVE FORM, HYDROLASE, SIGNALING KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR C.J.THOMAS,X.DU,P.LI,Y.WANG,E.M.ROSS,S.R.SPRANG REVDAT 5 23-AUG-23 1SVK 1 REMARK REVDAT 4 27-OCT-21 1SVK 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1SVK 1 VERSN REVDAT 2 08-JUN-04 1SVK 1 HETATM REVDAT 1 01-JUN-04 1SVK 0 JRNL AUTH C.J.THOMAS,X.DU,P.LI,Y.WANG,E.M.ROSS,S.R.SPRANG JRNL TITL UNCOUPLING CONFORMATIONAL CHANGE FROM GTP HYDROLYSIS IN A JRNL TITL 2 HETEROTRIMERIC G PROTEIN {ALPHA}-SUBUNIT. JRNL REF PROC.NATL.ACAD.SCI.USA V. 101 7560 2004 JRNL REFN ISSN 0027-8424 JRNL PMID 15128951 JRNL DOI 10.1073/PNAS.0304091101 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.0 REMARK 3 NUMBER OF REFLECTIONS : 24776 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.239 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 1275 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 : 2514 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 34 REMARK 3 SOLVENT ATOMS : 336 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 48.88 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.39100 REMARK 3 B22 (A**2) : -3.39100 REMARK 3 B33 (A**2) : 6.78200 REMARK 3 B12 (A**2) : -3.47300 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) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.070 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) : 1.970 ; 2.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.490 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.700 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.260 ; 5.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1SVK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-APR-04. REMARK 100 THE DEPOSITION ID IS D_1000022030. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAR-03 REMARK 200 TEMPERATURE (KELVIN) : 93.0 REMARK 200 PH : 6.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9784 REMARK 200 MONOCHROMATOR : DOUBLE-CRYSTAL, SI(111) 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 : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24776 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 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 (%) : 95.4 REMARK 200 DATA REDUNDANCY : 5.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07300 REMARK 200 FOR THE DATA SET : 28.5000 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) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.10 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.34000 REMARK 200 FOR SHELL : 5.600 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: PDB ENTRY 1GFI REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULPHITE, SODIUM ACETATE, PH REMARK 280 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293.16K, PH 6.50 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 70.13933 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 35.06967 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 35.06967 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 70.13933 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 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 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 ASN A 346 REMARK 465 ASN A 347 REMARK 465 LEU A 348 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 GLU A 58 -167.26 -107.44 REMARK 500 TYR A 146 -159.56 -149.03 REMARK 500 ASP A 237 93.09 -164.38 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 356 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 47 OG REMARK 620 2 THR A 181 OG1 85.3 REMARK 620 3 GDP A 355 O2B 93.0 168.7 REMARK 620 4 ALF A 357 F3 170.3 91.7 91.7 REMARK 620 5 ALF A 357 AL 168.9 100.1 79.8 20.8 REMARK 620 6 HOH A 358 O 86.9 92.8 98.3 84.0 102.5 REMARK 620 7 HOH A 359 O 87.2 83.7 85.1 101.7 83.8 173.3 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ALF A 357 AL REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GDP A 355 O3B REMARK 620 2 ALF A 357 F1 89.3 REMARK 620 3 ALF A 357 F2 91.4 89.5 REMARK 620 4 ALF A 357 F3 90.0 179.2 90.2 REMARK 620 5 ALF A 357 F4 89.6 90.6 179.0 89.7 REMARK 620 6 GDP A 355 O2B 40.2 129.3 87.9 50.0 92.8 REMARK 620 7 HOH A 736 O 178.8 90.8 89.8 89.9 89.3 139.8 REMARK 620 N 1 2 3 4 5 6 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 356 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ALF A 357 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GDP A 355 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1BOF RELATED DB: PDB REMARK 900 GI--1 BOUND TO GDP AND MAGNESIUM REMARK 900 RELATED ID: 1GFI RELATED DB: PDB REMARK 900 STRUCTURES OF ACTIVE CONFORMATIONS OF GI 1 AND THE MECHANISM OF GTP REMARK 900 HYDROLYSIS DBREF 1SVK A 2 354 UNP P10824 GNAI1_RAT 1 353 SEQADV 1SVK PRO A 180 UNP P10824 LYS 179 ENGINEERED MUTATION SEQRES 1 A 353 GLY CYS THR LEU SER ALA GLU ASP LYS ALA ALA VAL GLU SEQRES 2 A 353 ARG SER LYS MET ILE ASP ARG ASN LEU ARG GLU ASP GLY SEQRES 3 A 353 GLU LYS ALA ALA ARG GLU VAL LYS LEU LEU LEU LEU GLY SEQRES 4 A 353 ALA GLY GLU SER GLY LYS SER THR ILE VAL LYS GLN MET SEQRES 5 A 353 LYS ILE ILE HIS GLU ALA GLY TYR SER GLU GLU GLU CYS SEQRES 6 A 353 LYS GLN TYR LYS ALA VAL VAL TYR SER ASN THR ILE GLN SEQRES 7 A 353 SER ILE ILE ALA ILE ILE ARG ALA MET GLY ARG LEU LYS SEQRES 8 A 353 ILE ASP PHE GLY ASP ALA ALA ARG ALA ASP ASP ALA ARG SEQRES 9 A 353 GLN LEU PHE VAL LEU ALA GLY ALA ALA GLU GLU GLY PHE SEQRES 10 A 353 MET THR ALA GLU LEU ALA GLY VAL ILE LYS ARG LEU TRP SEQRES 11 A 353 LYS ASP SER GLY VAL GLN ALA CYS PHE ASN ARG SER ARG SEQRES 12 A 353 GLU TYR GLN LEU ASN ASP SER ALA ALA TYR TYR LEU ASN SEQRES 13 A 353 ASP LEU ASP ARG ILE ALA GLN PRO ASN TYR ILE PRO THR SEQRES 14 A 353 GLN GLN ASP VAL LEU ARG THR ARG VAL PRO THR THR GLY SEQRES 15 A 353 ILE VAL GLU THR HIS PHE THR PHE LYS ASP LEU HIS PHE SEQRES 16 A 353 LYS MET PHE ASP VAL GLY GLY GLN ARG SER GLU ARG LYS SEQRES 17 A 353 LYS TRP ILE HIS CYS PHE GLU GLY VAL THR ALA ILE ILE SEQRES 18 A 353 PHE CYS VAL ALA LEU SER ASP TYR ASP LEU VAL LEU ALA SEQRES 19 A 353 GLU ASP GLU GLU MET ASN ARG MET HIS GLU SER MET LYS SEQRES 20 A 353 LEU PHE ASP SER ILE CYS ASN ASN LYS TRP PHE THR ASP SEQRES 21 A 353 THR SER ILE ILE LEU PHE LEU ASN LYS LYS ASP LEU PHE SEQRES 22 A 353 GLU GLU LYS ILE LYS LYS SER PRO LEU THR ILE CYS TYR SEQRES 23 A 353 PRO GLU TYR ALA GLY SER ASN THR TYR GLU GLU ALA ALA SEQRES 24 A 353 ALA TYR ILE GLN CYS GLN PHE GLU ASP LEU ASN LYS ARG SEQRES 25 A 353 LYS ASP THR LYS GLU ILE TYR THR HIS PHE THR CYS ALA SEQRES 26 A 353 THR ASP THR LYS ASN VAL GLN PHE VAL PHE ASP ALA VAL SEQRES 27 A 353 THR ASP VAL ILE ILE LYS ASN ASN LEU LYS ASP CYS GLY SEQRES 28 A 353 LEU PHE HET MG A 356 1 HET ALF A 357 5 HET GDP A 355 28 HETNAM MG MAGNESIUM ION HETNAM ALF TETRAFLUOROALUMINATE ION HETNAM GDP GUANOSINE-5'-DIPHOSPHATE FORMUL 2 MG MG 2+ FORMUL 3 ALF AL F4 1- FORMUL 4 GDP C10 H15 N5 O11 P2 FORMUL 5 HOH *336(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 THR A 177 1 8 HELIX 11 11 GLN A 204 PHE A 215 5 12 HELIX 12 12 SER A 228 TYR A 230 5 3 HELIX 13 13 ARG A 242 ASN A 255 1 14 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 LYS A 345 1 18 SHEET 1 A 6 ILE A 184 PHE A 191 0 SHEET 2 A 6 LEU A 194 VAL A 201 -1 O MET A 198 N THR A 187 SHEET 3 A 6 VAL A 34 LEU A 39 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 ILE A 221 SHEET 6 A 6 ILE A 319 PHE A 323 1 O HIS A 322 N LEU A 266 SHEET 1 B 2 VAL A 233 LEU A 234 0 SHEET 2 B 2 ASP A 237 ASN A 241 -1 O MET A 240 N LEU A 234 LINK OG ASER A 47 MG MG A 356 1555 1555 2.05 LINK OG1 THR A 181 MG MG A 356 1555 1555 1.98 LINK O2B GDP A 355 MG MG A 356 1555 1555 2.02 LINK O3B GDP A 355 AL ALF A 357 1555 1555 1.93 LINK O2B GDP A 355 AL ALF A 357 1555 1555 3.71 LINK MG MG A 356 F3 ALF A 357 1555 1555 2.04 LINK MG MG A 356 AL ALF A 357 1555 1555 3.49 LINK MG MG A 356 O HOH A 358 1555 1555 2.10 LINK MG MG A 356 O HOH A 359 1555 1555 2.23 LINK AL ALF A 357 O HOH A 736 1555 1555 2.02 SITE 1 AC1 6 SER A 47 THR A 181 GDP A 355 ALF A 357 SITE 2 AC1 6 HOH A 358 HOH A 359 SITE 1 AC2 14 GLY A 42 GLU A 43 LYS A 46 ARG A 178 SITE 2 AC2 14 PRO A 180 THR A 181 VAL A 201 GLY A 203 SITE 3 AC2 14 GLN A 204 GDP A 355 MG A 356 HOH A 358 SITE 4 AC2 14 HOH A 359 HOH A 736 SITE 1 AC3 24 GLU A 43 SER A 44 GLY A 45 LYS A 46 SITE 2 AC3 24 SER A 47 THR A 48 SER A 151 LEU A 175 SITE 3 AC3 24 ARG A 176 THR A 177 ARG A 178 ASN A 269 SITE 4 AC3 24 LYS A 270 ASP A 272 LEU A 273 CYS A 325 SITE 5 AC3 24 ALA A 326 THR A 327 MG A 356 ALF A 357 SITE 6 AC3 24 HOH A 359 HOH A 401 HOH A 404 HOH A 407 CRYST1 79.473 79.473 105.209 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 0.012583 0.007265 0.000000 0.00000 SCALE2 0.000000 0.014529 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009505 0.00000