HEADER GTP-BINDING PROTEIN 16-OCT-96 1GIT TITLE STRUCTURE OF GTP-BINDING PROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: G PROTEIN GI ALPHA 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: ALPHA 1; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 OTHER_DETAILS: STRUCTURE MIMICS THE TERNARY COMPLEX SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PQE6 VECTOR KEYWDS GTP-ASE, GTP-BINDING PROTEIN, TRANSDUCER, ADENYLATE CYCLASE, KEYWDS 2 MULTIGENE FAMILY, MYRISTYLATION EXPDTA X-RAY DIFFRACTION AUTHOR A.M.BERGHUIS,E.LEE,S.R.SPRANG REVDAT 4 07-FEB-24 1GIT 1 REMARK REVDAT 3 03-NOV-21 1GIT 1 REMARK SEQADV REVDAT 2 24-FEB-09 1GIT 1 VERSN REVDAT 1 12-FEB-97 1GIT 0 JRNL AUTH A.M.BERGHUIS,E.LEE,A.S.RAW,A.G.GILMAN,S.R.SPRANG JRNL TITL STRUCTURE OF THE GDP-PI COMPLEX OF GLY203-->ALA GIALPHA1: A JRNL TITL 2 MIMIC OF THE TERNARY PRODUCT COMPLEX OF GALPHA-CATALYZED GTP JRNL TITL 3 HYDROLYSIS. JRNL REF STRUCTURE V. 4 1277 1996 JRNL REFN ISSN 0969-2126 JRNL PMID 8939752 JRNL DOI 10.1016/S0969-2126(96)00136-0 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.B.MIXON,E.LEE,D.E.COLEMAN,A.M.BERGHUIS,A.G.GILMAN, REMARK 1 AUTH 2 S.R.SPRANG REMARK 1 TITL TERTIARY AND QUATERNARY STRUCTURAL CHANGES IN GI ALPHA 1 REMARK 1 TITL 2 INDUCED BY GTP HYDROLYSIS REMARK 1 REF SCIENCE V. 270 954 1995 REMARK 1 REFN ISSN 0036-8075 REMARK 1 REFERENCE 2 REMARK 1 AUTH D.E.COLEMAN,E.LEE,M.B.MIXON,M.E.LINDER,A.M.BERGHUIS, REMARK 1 AUTH 2 A.G.GILMAN,S.R.SPRANG REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY CRYSTALLOGRAPHIC STUDIES OF REMARK 1 TITL 2 GI ALPHA 1 AND MUTANTS OF GI ALPHA 1 IN THE GTP AND REMARK 1 TITL 3 GDP-BOUND STATES REMARK 1 REF J.MOL.BIOL. V. 238 630 1994 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH D.E.COLEMAN,A.M.BERGHUIS,E.LEE,M.E.LINDER,A.G.GILMAN, REMARK 1 AUTH 2 S.R.SPRANG REMARK 1 TITL STRUCTURES OF ACTIVE CONFORMATIONS OF GI ALPHA 1 AND THE REMARK 1 TITL 2 MECHANISM OF GTP HYDROLYSIS REMARK 1 REF SCIENCE V. 265 1405 1994 REMARK 1 REFN ISSN 0036-8075 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 81.0 REMARK 3 NUMBER OF REFLECTIONS : 10917 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) : 0.186 REMARK 3 FREE R VALUE : 0.279 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.400 REMARK 3 FREE R VALUE TEST SET COUNT : 1137 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.71 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 77.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1149 REMARK 3 BIN R VALUE (WORKING SET) : 0.2310 REMARK 3 BIN FREE R VALUE : 0.3360 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 126 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 : 2552 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 9 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) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 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) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.700 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.510 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 3.500 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 5.520 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 5.320 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 7.590 ; 2.500 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 1GIT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000173590. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 1993 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : F2 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 : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : FUJI REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11856 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 84.1 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.04000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.67 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 72.30000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 38.55000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 38.55000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 108.45000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 38.55000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 38.55000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 36.15000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 38.55000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 38.55000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 108.45000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 38.55000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 38.55000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 36.15000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 72.30000 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 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 -144.66 -124.72 REMARK 500 ALA A 113 -57.11 -125.80 REMARK 500 PHE A 191 104.99 -160.57 REMARK 500 LYS A 192 43.57 71.48 REMARK 500 GLU A 238 -29.05 -26.35 REMARK 500 ASN A 255 36.86 -94.78 REMARK 500 LYS A 270 31.63 74.86 REMARK 500 LYS A 280 -23.86 -143.26 REMARK 500 ARG A 313 45.39 -73.46 REMARK 500 ASN A 346 -3.69 -141.49 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 356 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GDP A 355 DBREF 1GIT A 2 354 UNP P10824 GNAI1_RAT 1 353 SEQADV 1GIT ALA A 203 UNP P10824 GLY 202 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 LYS 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 ALA 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 PO4 A 356 5 HET GDP A 355 28 HETNAM PO4 PHOSPHATE ION HETNAM GDP GUANOSINE-5'-DIPHOSPHATE FORMUL 2 PO4 O4 P 3- FORMUL 3 GDP C10 H15 N5 O11 P2 FORMUL 4 HOH *9(H2 O) HELIX 1 1 LYS A 46 HIS A 57 1 12 HELIX 2 2 GLU A 63 GLN A 68 1 6 HELIX 3 3 LYS A 70 LEU A 91 1 22 HELIX 4 4 ALA A 98 ALA A 111 5 14 HELIX 5 5 ALA A 121 TRP A 131 1 11 HELIX 6 6 SER A 134 GLU A 145 1 12 HELIX 7 7 ASP A 150 ALA A 163 5 14 HELIX 8 8 GLN A 171 LEU A 175 1 5 HELIX 9 9 GLY A 202 GLU A 207 1 6 HELIX 10 10 TRP A 211 PHE A 215 5 5 HELIX 11 11 LEU A 227 ASP A 231 5 5 HELIX 12 12 ALA A 235 ASP A 237 5 3 HELIX 13 13 ARG A 242 CYS A 254 1 13 HELIX 14 14 LYS A 257 PHE A 259 5 3 HELIX 15 15 LYS A 271 ILE A 278 1 8 HELIX 16 16 LEU A 283 ILE A 285 5 3 HELIX 17 17 TYR A 296 LEU A 310 1 15 HELIX 18 18 THR A 329 ASN A 346 1 18 SHEET 1 A 6 ILE A 319 THR A 324 0 SHEET 2 A 6 SER A 263 ASN A 269 1 N ILE A 264 O TYR A 320 SHEET 3 A 6 ALA A 220 ALA A 226 1 N ILE A 221 O SER A 263 SHEET 4 A 6 GLU A 33 GLY A 40 1 N LEU A 37 O ALA A 220 SHEET 5 A 6 HIS A 195 ASP A 200 1 N HIS A 195 O VAL A 34 SHEET 6 A 6 VAL A 185 THR A 190 -1 N PHE A 189 O PHE A 196 SITE 1 AC1 8 GLY A 42 LYS A 46 ARG A 178 LYS A 180 SITE 2 AC1 8 THR A 181 GLY A 202 ALA A 203 GDP A 355 SITE 1 AC2 22 GLU A 43 SER A 44 GLY A 45 LYS A 46 SITE 2 AC2 22 SER A 47 THR A 48 SER A 151 LEU A 175 SITE 3 AC2 22 ARG A 176 THR A 177 ARG A 178 ASN A 269 SITE 4 AC2 22 LYS A 270 ASP A 272 CYS A 325 ALA A 326 SITE 5 AC2 22 THR A 327 PO4 A 356 HOH A 401 HOH A 402 SITE 6 AC2 22 HOH A 407 HOH A 408 CRYST1 77.100 77.100 144.600 90.00 90.00 90.00 P 43 21 2 8 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 0.012970 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012970 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006916 0.00000