HEADER SIGNALING PROTEIN,ENDOCYTOSIS/EXOCYTOSIS10-OCT-00 1G17 TITLE CRYSTAL STRUCTURE OF SEC4-GUANOSINE-5'-(BETA,GAMMA)-IMIDOTRIPHOSPHATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: RAS-RELATED PROTEIN SEC4; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: RESIDUES 18-187; COMPND 5 SYNONYM: GTP-BINDING PROTEIN SEC4; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PGEX-4T-1 KEYWDS G PROTEIN RAB, SIGNALING PROTEIN, ENDOCYTOSIS-EXOCYTOSIS COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR C.STROUPE,A.T.BRUNGER REVDAT 4 07-FEB-24 1G17 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1G17 1 VERSN REVDAT 2 25-FEB-03 1G17 1 REMARK REVDAT 1 11-DEC-00 1G17 0 JRNL AUTH C.STROUPE,A.T.BRUNGER JRNL TITL CRYSTAL STRUCTURES OF A RAB PROTEIN IN ITS INACTIVE AND JRNL TITL 2 ACTIVE CONFORMATIONS. JRNL REF J.MOL.BIOL. V. 304 585 2000 JRNL REFN ISSN 0022-2836 JRNL PMID 11099382 JRNL DOI 10.1006/JMBI.2000.4236 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) : 33.70 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 3712802.400 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 93.8 REMARK 3 NUMBER OF REFLECTIONS : 43560 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) : 0.264 REMARK 3 FREE R VALUE : 0.292 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.700 REMARK 3 FREE R VALUE TEST SET COUNT : 4205 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.07 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 71.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3056 REMARK 3 BIN R VALUE (WORKING SET) : 0.3750 REMARK 3 BIN FREE R VALUE : 0.3800 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 8.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 265 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.023 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2662 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 66 REMARK 3 SOLVENT ATOMS : 116 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.76000 REMARK 3 B22 (A**2) : -3.76000 REMARK 3 B33 (A**2) : 7.52000 REMARK 3 B12 (A**2) : 0.87000 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) : 0.33 REMARK 3 ESD FROM SIGMAA (A) : 0.35 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.37 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.36 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.750 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) : 1.350 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.230 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.770 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.650 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 38.00 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 : PROTEIN_REP.PA REMARK 3 PARAMETER FILE 2 : WATER_REP.PARA REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : GMPPNP.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : GMPPNP.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1G17 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-OCT-00. REMARK 100 THE DEPOSITION ID IS D_1000012105. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-FEB-99; 12-MAR-99 REMARK 200 TEMPERATURE (KELVIN) : 100; 100 REMARK 200 PH : 7.7 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : ALS; NSLS REMARK 200 BEAMLINE : 5.0.1; X4A REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; NULL REMARK 200 WAVELENGTH OR RANGE (A) : 0.9802,0.9800,0.9537; 1.2843 REMARK 200 MONOCHROMATOR : NULL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4; RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23496 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 38.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 3.720 REMARK 200 R MERGE (I) : 0.09100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.2000 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 (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 3.48 REMARK 200 R MERGE FOR SHELL (I) : 0.62400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: POLYETHYLENE GLYCOL 4000, 25% MGCL2, REMARK 280 200 MM ETHYLENE GLYCOL, 30% SODIUM HEPES, 100 MM, PH 7.7, VAPOR REMARK 280 DIFFUSION, HANGING DROP, WITH MICROSEEDING, TEMPERATURE 294K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 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 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/6 REMARK 290 6555 X-Y,X,Z+5/6 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 57.64600 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 28.82300 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 43.23450 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 14.41150 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 72.05750 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 ASP A 18 REMARK 465 ASN A 187 REMARK 465 ASP B 18 REMARK 465 ASN B 187 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 ARG A 83 14.12 -62.02 REMARK 500 LYS A 134 33.15 81.69 REMARK 500 ASP A 185 41.57 -63.63 REMARK 500 LYS B 134 36.32 81.19 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 301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 34 OG REMARK 620 2 THR A 52 OG1 80.6 REMARK 620 3 GNP A 201 O2G 169.4 91.5 REMARK 620 4 GNP A 201 O2B 91.7 172.3 96.0 REMARK 620 5 HOH A 403 O 94.0 86.7 92.6 94.9 REMARK 620 6 HOH A 404 O 83.4 92.3 90.0 85.8 177.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 302 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER B 34 OG REMARK 620 2 THR B 52 OG1 81.7 REMARK 620 3 GNP B 202 O2B 94.5 173.4 REMARK 620 4 GNP B 202 O2G 165.4 83.7 99.8 REMARK 620 5 HOH B 401 O 83.6 94.7 90.2 99.3 REMARK 620 6 HOH B 402 O 93.0 85.2 89.7 84.1 176.5 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 MG A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GNP A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GNP B 202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1G16 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SEC4-GDP DBREF 1G17 A 18 187 UNP P07560 SEC4_YEAST 18 187 DBREF 1G17 B 18 187 UNP P07560 SEC4_YEAST 18 187 SEQADV 1G17 ILE A 73 UNP P07560 LEU 73 CONFLICT SEQADV 1G17 ILE A 102 UNP P07560 VAL 102 CONFLICT SEQADV 1G17 ILE B 73 UNP P07560 LEU 73 CONFLICT SEQADV 1G17 ILE B 102 UNP P07560 VAL 102 CONFLICT SEQRES 1 A 170 ASP SER ILE MET LYS ILE LEU LEU ILE GLY ASP SER GLY SEQRES 2 A 170 VAL GLY LYS SER CYS LEU LEU VAL ARG PHE VAL GLU ASP SEQRES 3 A 170 LYS PHE ASN PRO SER PHE ILE THR THR ILE GLY ILE ASP SEQRES 4 A 170 PHE LYS ILE LYS THR VAL ASP ILE ASN GLY LYS LYS VAL SEQRES 5 A 170 LYS LEU GLN ILE TRP ASP THR ALA GLY GLN GLU ARG PHE SEQRES 6 A 170 ARG THR ILE THR THR ALA TYR TYR ARG GLY ALA MET GLY SEQRES 7 A 170 ILE ILE LEU VAL TYR ASP ILE THR ASP GLU ARG THR PHE SEQRES 8 A 170 THR ASN ILE LYS GLN TRP PHE LYS THR VAL ASN GLU HIS SEQRES 9 A 170 ALA ASN ASP GLU ALA GLN LEU LEU LEU VAL GLY ASN LYS SEQRES 10 A 170 SER ASP MET GLU THR ARG VAL VAL THR ALA ASP GLN GLY SEQRES 11 A 170 GLU ALA LEU ALA LYS GLU LEU GLY ILE PRO PHE ILE GLU SEQRES 12 A 170 SER SER ALA LYS ASN ASP ASP ASN VAL ASN GLU ILE PHE SEQRES 13 A 170 PHE THR LEU ALA LYS LEU ILE GLN GLU LYS ILE ASP SER SEQRES 14 A 170 ASN SEQRES 1 B 170 ASP SER ILE MET LYS ILE LEU LEU ILE GLY ASP SER GLY SEQRES 2 B 170 VAL GLY LYS SER CYS LEU LEU VAL ARG PHE VAL GLU ASP SEQRES 3 B 170 LYS PHE ASN PRO SER PHE ILE THR THR ILE GLY ILE ASP SEQRES 4 B 170 PHE LYS ILE LYS THR VAL ASP ILE ASN GLY LYS LYS VAL SEQRES 5 B 170 LYS LEU GLN ILE TRP ASP THR ALA GLY GLN GLU ARG PHE SEQRES 6 B 170 ARG THR ILE THR THR ALA TYR TYR ARG GLY ALA MET GLY SEQRES 7 B 170 ILE ILE LEU VAL TYR ASP ILE THR ASP GLU ARG THR PHE SEQRES 8 B 170 THR ASN ILE LYS GLN TRP PHE LYS THR VAL ASN GLU HIS SEQRES 9 B 170 ALA ASN ASP GLU ALA GLN LEU LEU LEU VAL GLY ASN LYS SEQRES 10 B 170 SER ASP MET GLU THR ARG VAL VAL THR ALA ASP GLN GLY SEQRES 11 B 170 GLU ALA LEU ALA LYS GLU LEU GLY ILE PRO PHE ILE GLU SEQRES 12 B 170 SER SER ALA LYS ASN ASP ASP ASN VAL ASN GLU ILE PHE SEQRES 13 B 170 PHE THR LEU ALA LYS LEU ILE GLN GLU LYS ILE ASP SER SEQRES 14 B 170 ASN HET MG A 301 1 HET GNP A 201 32 HET MG B 302 1 HET GNP B 202 32 HETNAM MG MAGNESIUM ION HETNAM GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER FORMUL 3 MG 2(MG 2+) FORMUL 4 GNP 2(C10 H17 N6 O13 P3) FORMUL 7 HOH *116(H2 O) HELIX 1 1 GLY A 32 GLU A 42 1 11 HELIX 2 2 GLN A 79 ARG A 81 5 3 HELIX 3 3 PHE A 82 ARG A 91 1 10 HELIX 4 4 ASP A 104 ASN A 110 1 7 HELIX 5 5 ASN A 110 ALA A 122 1 13 HELIX 6 6 THR A 143 GLY A 155 1 13 HELIX 7 7 ASN A 168 ASP A 185 1 18 HELIX 8 8 GLY B 32 ASP B 43 1 12 HELIX 9 9 GLN B 79 ARG B 81 5 3 HELIX 10 10 PHE B 82 ARG B 91 1 10 HELIX 11 11 ASP B 104 ASN B 110 1 7 HELIX 12 12 ASN B 110 ALA B 122 1 13 HELIX 13 13 THR B 143 GLY B 155 1 13 HELIX 14 14 ASN B 168 ASP B 185 1 18 SHEET 1 A 6 ILE A 55 ASP A 63 0 SHEET 2 A 6 LYS A 68 THR A 76 -1 N VAL A 69 O VAL A 62 SHEET 3 A 6 ILE A 20 ILE A 26 1 N MET A 21 O LYS A 70 SHEET 4 A 6 GLY A 95 ASP A 101 1 O GLY A 95 N LEU A 24 SHEET 5 A 6 GLN A 127 ASN A 133 1 O GLN A 127 N ILE A 96 SHEET 6 A 6 PHE A 158 SER A 161 1 O ILE A 159 N GLY A 132 SHEET 1 B 6 ILE B 55 ILE B 64 0 SHEET 2 B 6 LYS B 67 THR B 76 -1 O LYS B 67 N ILE B 64 SHEET 3 B 6 ILE B 20 ILE B 26 1 O MET B 21 N GLN B 72 SHEET 4 B 6 GLY B 95 ASP B 101 1 O GLY B 95 N LEU B 24 SHEET 5 B 6 GLN B 127 ASN B 133 1 O GLN B 127 N ILE B 96 SHEET 6 B 6 PHE B 158 SER B 161 1 O ILE B 159 N GLY B 132 LINK OG SER A 34 MG MG A 301 1555 1555 2.09 LINK OG1 THR A 52 MG MG A 301 1555 1555 2.27 LINK O2G GNP A 201 MG MG A 301 1555 1555 2.03 LINK O2B GNP A 201 MG MG A 301 1555 1555 2.14 LINK MG MG A 301 O HOH A 403 1555 1555 2.12 LINK MG MG A 301 O HOH A 404 1555 1555 1.96 LINK OG SER B 34 MG MG B 302 1555 1555 1.98 LINK OG1 THR B 52 MG MG B 302 1555 1555 2.32 LINK O2B GNP B 202 MG MG B 302 1555 1555 2.10 LINK O2G GNP B 202 MG MG B 302 1555 1555 2.13 LINK MG MG B 302 O HOH B 401 1555 1555 2.18 LINK MG MG B 302 O HOH B 402 1555 1555 1.96 SITE 1 AC1 5 SER A 34 THR A 52 GNP A 201 HOH A 403 SITE 2 AC1 5 HOH A 404 SITE 1 AC2 5 SER B 34 THR B 52 GNP B 202 HOH B 401 SITE 2 AC2 5 HOH B 402 SITE 1 AC3 27 SER A 29 GLY A 30 VAL A 31 GLY A 32 SITE 2 AC3 27 LYS A 33 SER A 34 CYS A 35 PHE A 45 SITE 3 AC3 27 ASN A 46 PRO A 47 SER A 48 PHE A 49 SITE 4 AC3 27 THR A 51 THR A 52 GLY A 78 ASN A 133 SITE 5 AC3 27 LYS A 134 ASP A 136 MET A 137 SER A 162 SITE 6 AC3 27 ALA A 163 LYS A 164 MG A 301 HOH A 403 SITE 7 AC3 27 HOH A 404 HOH A 408 HOH A 419 SITE 1 AC4 27 SER B 29 GLY B 30 VAL B 31 GLY B 32 SITE 2 AC4 27 LYS B 33 SER B 34 CYS B 35 PHE B 45 SITE 3 AC4 27 ASN B 46 PRO B 47 SER B 48 PHE B 49 SITE 4 AC4 27 THR B 51 THR B 52 GLY B 78 ASN B 133 SITE 5 AC4 27 LYS B 134 ASP B 136 MET B 137 SER B 162 SITE 6 AC4 27 ALA B 163 LYS B 164 MG B 302 HOH B 401 SITE 7 AC4 27 HOH B 402 HOH B 406 HOH B 421 CRYST1 84.504 84.504 86.469 90.00 90.00 120.00 P 65 12 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 0.011834 0.006832 0.000000 0.00000 SCALE2 0.000000 0.013664 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011565 0.00000