HEADER SIGNAL TRANSDUCTION PROTEIN 11-NOV-94 1GFI TITLE STRUCTURES OF ACTIVE CONFORMATIONS OF GI ALPHA 1 AND THE MECHANISM OF TITLE 2 GTP HYDROLYSIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES 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_PLASMID: PQE6 VECTOR KEYWDS SIGNAL TRANSDUCTION PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR D.E.COLEMAN,A.M.BERGHUIS,S.R.SPRANG REVDAT 4 07-FEB-24 1GFI 1 REMARK LINK REVDAT 3 24-FEB-09 1GFI 1 VERSN REVDAT 2 15-MAY-95 1GFI 1 JRNL REVDAT 1 31-MAR-95 1GFI 0 JRNL AUTH D.E.COLEMAN,A.M.BERGHUIS,E.LEE,M.E.LINDER,A.G.GILMAN, JRNL AUTH 2 S.R.SPRANG JRNL TITL STRUCTURES OF ACTIVE CONFORMATIONS OF GI ALPHA 1 AND THE JRNL TITL 2 MECHANISM OF GTP HYDROLYSIS. JRNL REF SCIENCE V. 265 1405 1994 JRNL REFN ISSN 0036-8075 JRNL PMID 8073283 REMARK 1 REMARK 1 REFERENCE 1 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 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 217407 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.214 REMARK 3 FREE R VALUE : 0.284 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : 2516 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 34 REMARK 3 SOLVENT ATOMS : 91 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.20 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 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) : NULL 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 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 1GFI 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_1000173555. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19715 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.8 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) : 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 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 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 71.03333 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 35.51667 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 35.51667 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 71.03333 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 -131.88 -103.29 REMARK 500 TYR A 146 -153.92 -151.77 REMARK 500 ASN A 166 31.38 83.12 REMARK 500 ASP A 237 112.24 -176.85 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 COMPND REMARK 600 GDP-ALF4 IS A TRANSITION STATE ANALOG. 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 96.9 REMARK 620 3 GDP A 355 O2B 83.7 173.9 REMARK 620 4 ALF A 357 F3 161.5 94.3 86.8 REMARK 620 5 ALF A 357 AL 156.9 105.7 73.3 22.3 REMARK 620 6 HOH A 410 O 85.0 94.0 92.1 79.6 97.8 REMARK 620 7 HOH A 412 O 93.2 85.5 88.4 102.3 84.1 178.1 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 95.0 REMARK 620 3 ALF A 357 F2 96.2 69.9 REMARK 620 4 ALF A 357 F3 97.9 154.9 87.3 REMARK 620 5 ALF A 357 F4 118.5 102.4 145.2 90.2 REMARK 620 6 GDP A 355 O1B 36.6 118.8 128.9 83.5 85.2 REMARK 620 7 GDP A 355 O2B 44.2 136.9 97.2 54.0 109.2 39.5 REMARK 620 8 HOH A 401 O 162.2 74.8 66.7 86.8 78.4 160.9 139.2 REMARK 620 N 1 2 3 4 5 6 7 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 DBREF 1GFI A 2 354 UNP P10824 GNAI1_RAT 1 353 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 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 *91(H2 O) HELIX 1 A1 GLY A 45 GLU A 58 1DISTORTED AT VAL 50 14 HELIX 2 AA SER A 62 LEU A 91 1DISTORTED AT GLN 68, ILE 85 30 HELIX 3 AB ASP A 97 GLY A 117 1BOTH TERMINI IN 3/10 CONF 21 HELIX 4 AC THR A 120 LYS A 132 1 13 HELIX 5 AD ASP A 133 TYR A 146 13/10 CONF FROM ALA 138 ON 14 HELIX 6 AE SER A 151 ALA A 163 1DISTORTED AT ASP 158 13 HELIX 7 AF GLN A 171 ARG A 176 1 6 HELIX 8 A2 GLU A 207 PHE A 215 5 9 HELIX 9 A3 ASN A 241 ASN A 255 1 15 HELIX 10 AG LYS A 270 ILE A 278 1 9 HELIX 11 A4 THR A 295 ASP A 309 1 15 HELIX 12 A5 ASP A 328 LYS A 345 1 18 SHEET 1 B 6 VAL A 185 PHE A 191 0 SHEET 2 B 6 LEU A 194 ASP A 200 -1 SHEET 3 B 6 GLU A 33 LEU A 39 1 SHEET 4 B 6 THR A 219 LEU A 227 1 SHEET 5 B 6 SER A 263 ASN A 269 1 SHEET 6 B 6 TYR A 320 THR A 324 1 LINK OG SER A 47 MG MG A 356 1555 1555 2.01 LINK OG1 THR A 181 MG MG A 356 1555 1555 1.90 LINK O2B GDP A 355 MG MG A 356 1555 1555 2.18 LINK O3B GDP A 355 AL ALF A 357 1555 1555 1.95 LINK O1B GDP A 355 AL ALF A 357 1555 1555 3.70 LINK O2B GDP A 355 AL ALF A 357 1555 1555 3.61 LINK MG MG A 356 F3 ALF A 357 1555 1555 2.09 LINK MG MG A 356 AL ALF A 357 1555 1555 3.57 LINK MG MG A 356 O HOH A 410 1555 1555 2.05 LINK MG MG A 356 O HOH A 412 1555 1555 2.30 LINK AL ALF A 357 O HOH A 401 1555 1555 2.18 SITE 1 AC1 6 SER A 47 THR A 181 GDP A 355 ALF A 357 SITE 2 AC1 6 HOH A 410 HOH A 412 SITE 1 AC2 14 GLY A 42 GLU A 43 LYS A 46 ARG A 178 SITE 2 AC2 14 LYS A 180 THR A 181 VAL A 201 GLY A 202 SITE 3 AC2 14 GLY A 203 GLN A 204 GDP A 355 MG A 356 SITE 4 AC2 14 HOH A 401 HOH A 410 SITE 1 AC3 26 GLU A 43 SER A 44 GLY A 45 LYS A 46 SITE 2 AC3 26 SER A 47 THR A 48 ASP A 150 SER A 151 SITE 3 AC3 26 LEU A 175 ARG A 176 THR A 177 ARG A 178 SITE 4 AC3 26 ASN A 269 LYS A 270 ASP A 272 LEU A 273 SITE 5 AC3 26 CYS A 325 ALA A 326 THR A 327 MG A 356 SITE 6 AC3 26 ALF A 357 HOH A 402 HOH A 403 HOH A 404 SITE 7 AC3 26 HOH A 410 HOH A 412 CRYST1 80.500 80.500 106.550 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 0.012422 0.007172 0.000000 0.00000 SCALE2 0.000000 0.014344 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009385 0.00000