HEADER SIGNALING PROTEIN 31-MAY-99 3RAP TITLE THE SMALL G PROTEIN RAP2 IN A NON CATALYTIC COMPLEX WITH GTP COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (G PROTEIN RAP2A); COMPND 3 CHAIN: R, S; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS G PROTEIN, RAS, GTPASE, RAP2, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.MENETREY,J.CHERFILS REVDAT 5 11-APR-18 3RAP 1 REMARK REVDAT 4 04-APR-18 3RAP 1 REMARK REVDAT 3 24-FEB-09 3RAP 1 VERSN REVDAT 2 22-DEC-99 3RAP 1 TITLE JRNL REVDAT 1 08-DEC-99 3RAP 0 JRNL AUTH J.MENETREY,J.CHERFILS JRNL TITL STRUCTURE OF THE SMALL G PROTEIN RAP2 IN A NON-CATALYTIC JRNL TITL 2 COMPLEX WITH GTP. JRNL REF PROTEINS V. 37 465 1999 JRNL REFN ISSN 0887-3585 JRNL PMID 10591105 JRNL DOI 10.1002/(SICI)1097-0134(19991115)37:3<465::AID-PROT13>3.0.CO JRNL DOI 2 ;2-O REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.CHERFILS,J.MENETREY,G.LEBRAS,G.LEBRAS,I.JANOUEIX-LEROSEY, REMARK 1 AUTH 2 J.DE GUNZBURG,J.R.GAREL,I.AUZAT REMARK 1 TITL CRYSTAL STRUCTURES OF THE SMALL G PROTEIN RAP2A IN COMPLEX REMARK 1 TITL 2 WITH ITS SUBSTRATE GTP, WITH GDP AND WITH GTPGS REMARK 1 REF EMBO J. V. 16 5582 1997 REMARK 1 REFN ISSN 0261-4189 REMARK 1 DOI 10.1093/EMBOJ/16.18.5582 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) : 16.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.5 REMARK 3 NUMBER OF REFLECTIONS : 16388 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) : 0.211 REMARK 3 FREE R VALUE : 0.262 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.000 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 : 2658 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 66 REMARK 3 SOLVENT ATOMS : 93 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 24.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.00 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) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 2.065 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 3RAP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-JUN-99. REMARK 100 THE DEPOSITION ID IS D_1000001135. 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 : 8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM02 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9798 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 : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16388 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 16.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07200 REMARK 200 FOR THE DATA SET : 15.0000 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: RAP2A-GTP HEXAGONAL FORM (PDB 2RAP) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.05 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000 20-25% TRIS-HCL 100MM PH 8 REMARK 280 100MM MGCL2 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y+1/2,-Z 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 29.91500 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 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: R, S 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG R 124 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 TRP R 138 CD1 - CG - CD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 TRP R 138 CE2 - CD2 - CG ANGL. DEV. = -5.0 DEGREES REMARK 500 ARG S 2 NE - CZ - NH2 ANGL. DEV. = 3.9 DEGREES REMARK 500 TRP S 138 CD1 - CG - CD2 ANGL. DEV. = 5.7 DEGREES REMARK 500 TRP S 138 CE2 - CD2 - CG ANGL. DEV. = -5.0 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 SER R 48 6.01 52.16 REMARK 500 GLU R 62 67.00 64.21 REMARK 500 GLN R 63 -78.70 -17.82 REMARK 500 PHE R 64 81.60 63.14 REMARK 500 ARG R 105 -9.64 62.32 REMARK 500 LYS R 117 34.56 81.13 REMARK 500 ARG S 2 179.02 154.61 REMARK 500 ILE S 36 -71.70 -86.68 REMARK 500 GLU S 37 111.34 -168.43 REMARK 500 SER S 48 -10.85 61.21 REMARK 500 GLU S 62 -4.04 62.22 REMARK 500 GLN S 63 -143.43 45.27 REMARK 500 PHE S 64 46.10 -148.76 REMARK 500 ALA S 65 -77.08 -12.62 REMARK 500 ARG S 105 -3.02 60.85 REMARK 500 LYS S 117 36.11 80.13 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 R 200 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GTP R 180 O3G REMARK 620 2 GTP R 180 O2B 86.5 REMARK 620 3 HOH R 201 O 91.0 86.6 REMARK 620 4 THR R 35 OG1 92.6 178.9 93.9 REMARK 620 5 SER R 17 OG 173.8 87.6 90.4 93.4 REMARK 620 6 HOH R 202 O 87.8 82.2 168.8 97.3 89.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG S 201 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GTP S 181 O3G REMARK 620 2 THR S 35 OG1 96.6 REMARK 620 3 HOH S 202 O 91.3 90.6 REMARK 620 4 GTP S 181 O1B 87.0 175.3 86.2 REMARK 620 5 SER S 17 OG 170.2 90.8 95.1 86.0 REMARK 620 6 HOH S 203 O 86.6 100.4 169.0 82.9 85.7 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 R 200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG S 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GTP R 180 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GTP S 181 DBREF 3RAP R 1 167 UNP P10114 RAP2A_HUMAN 1 167 DBREF 3RAP S 1 167 UNP P10114 RAP2A_HUMAN 1 167 SEQRES 1 R 167 MET ARG GLU TYR LYS VAL VAL VAL LEU GLY SER GLY GLY SEQRES 2 R 167 VAL GLY LYS SER ALA LEU THR VAL GLN PHE VAL THR GLY SEQRES 3 R 167 THR PHE ILE GLU LYS TYR ASP PRO THR ILE GLU ASP PHE SEQRES 4 R 167 TYR ARG LYS GLU ILE GLU VAL ASP SER SER PRO SER VAL SEQRES 5 R 167 LEU GLU ILE LEU ASP THR ALA GLY THR GLU GLN PHE ALA SEQRES 6 R 167 SER MET ARG ASP LEU TYR ILE LYS ASN GLY GLN GLY PHE SEQRES 7 R 167 ILE LEU VAL TYR SER LEU VAL ASN GLN GLN SER PHE GLN SEQRES 8 R 167 ASP ILE LYS PRO MET ARG ASP GLN ILE ILE ARG VAL LYS SEQRES 9 R 167 ARG TYR GLU LYS VAL PRO VAL ILE LEU VAL GLY ASN LYS SEQRES 10 R 167 VAL ASP LEU GLU SER GLU ARG GLU VAL SER SER SER GLU SEQRES 11 R 167 GLY ARG ALA LEU ALA GLU GLU TRP GLY CYS PRO PHE MET SEQRES 12 R 167 GLU THR SER ALA LYS SER LYS THR MET VAL ASP GLU LEU SEQRES 13 R 167 PHE ALA GLU ILE VAL ARG GLN MET ASN TYR ALA SEQRES 1 S 167 MET ARG GLU TYR LYS VAL VAL VAL LEU GLY SER GLY GLY SEQRES 2 S 167 VAL GLY LYS SER ALA LEU THR VAL GLN PHE VAL THR GLY SEQRES 3 S 167 THR PHE ILE GLU LYS TYR ASP PRO THR ILE GLU ASP PHE SEQRES 4 S 167 TYR ARG LYS GLU ILE GLU VAL ASP SER SER PRO SER VAL SEQRES 5 S 167 LEU GLU ILE LEU ASP THR ALA GLY THR GLU GLN PHE ALA SEQRES 6 S 167 SER MET ARG ASP LEU TYR ILE LYS ASN GLY GLN GLY PHE SEQRES 7 S 167 ILE LEU VAL TYR SER LEU VAL ASN GLN GLN SER PHE GLN SEQRES 8 S 167 ASP ILE LYS PRO MET ARG ASP GLN ILE ILE ARG VAL LYS SEQRES 9 S 167 ARG TYR GLU LYS VAL PRO VAL ILE LEU VAL GLY ASN LYS SEQRES 10 S 167 VAL ASP LEU GLU SER GLU ARG GLU VAL SER SER SER GLU SEQRES 11 S 167 GLY ARG ALA LEU ALA GLU GLU TRP GLY CYS PRO PHE MET SEQRES 12 S 167 GLU THR SER ALA LYS SER LYS THR MET VAL ASP GLU LEU SEQRES 13 S 167 PHE ALA GLU ILE VAL ARG GLN MET ASN TYR ALA HET MG R 200 1 HET GTP R 180 32 HET MG S 201 1 HET GTP S 181 32 HETNAM MG MAGNESIUM ION HETNAM GTP GUANOSINE-5'-TRIPHOSPHATE FORMUL 3 MG 2(MG 2+) FORMUL 4 GTP 2(C10 H16 N5 O14 P3) FORMUL 7 HOH *93(H2 O) HELIX 1 1 LYS R 16 THR R 25 1 10 HELIX 2 2 ALA R 65 LYS R 73 1 9 HELIX 3 3 GLN R 87 LYS R 94 1 8 HELIX 4 4 MET R 96 LYS R 104 1 9 HELIX 5 5 VAL R 118 GLU R 123 5 6 HELIX 6 6 SER R 128 TRP R 138 1 11 HELIX 7 7 LYS R 150 MET R 164 1 15 HELIX 8 8 LYS S 16 THR S 25 1 10 HELIX 9 9 VAL S 46 SER S 48 5 3 HELIX 10 10 ALA S 65 ASN S 74 5 10 HELIX 11 11 GLN S 87 ILE S 93 1 7 HELIX 12 12 MET S 96 LYS S 104 1 9 HELIX 13 13 VAL S 118 GLU S 123 5 6 HELIX 14 14 SER S 128 TRP S 138 1 11 HELIX 15 15 LYS S 150 ASN S 165 1 16 SHEET 1 A 6 PRO R 141 THR R 145 0 SHEET 2 A 6 PRO R 110 ASN R 116 1 N LEU R 113 O PRO R 141 SHEET 3 A 6 GLY R 77 SER R 83 1 N PHE R 78 O PRO R 110 SHEET 4 A 6 ARG R 2 GLY R 10 1 N VAL R 7 O GLY R 77 SHEET 5 A 6 SER R 49 THR R 58 1 N VAL R 52 O ARG R 2 SHEET 6 A 6 GLU R 37 VAL R 46 -1 N VAL R 46 O SER R 49 SHEET 1 B 6 PRO S 141 THR S 145 0 SHEET 2 B 6 VAL S 111 ASN S 116 1 N LEU S 113 O PRO S 141 SHEET 3 B 6 GLY S 77 SER S 83 1 N PHE S 78 O ILE S 112 SHEET 4 B 6 GLU S 3 GLY S 10 1 N VAL S 7 O GLY S 77 SHEET 5 B 6 SER S 49 ASP S 57 1 N VAL S 52 O TYR S 4 SHEET 6 B 6 ASP S 38 VAL S 46 -1 N VAL S 46 O SER S 49 LINK O3G GTP R 180 MG MG R 200 1555 1555 1.93 LINK MG MG R 200 O2B GTP R 180 1555 1555 2.19 LINK MG MG R 200 O HOH R 201 1555 1555 2.03 LINK MG MG R 200 OG1 THR R 35 1555 1555 1.76 LINK MG MG R 200 OG SER R 17 1555 1555 1.89 LINK MG MG R 200 O HOH R 202 1555 1555 1.89 LINK O3G GTP S 181 MG MG S 201 1555 1555 1.92 LINK MG MG S 201 OG1 THR S 35 1555 1555 1.92 LINK MG MG S 201 O HOH S 202 1555 1555 1.83 LINK MG MG S 201 O1B GTP S 181 1555 1555 2.14 LINK MG MG S 201 OG SER S 17 1555 1555 1.93 LINK MG MG S 201 O HOH S 203 1555 1555 1.88 SITE 1 AC1 5 SER R 17 THR R 35 GTP R 180 HOH R 201 SITE 2 AC1 5 HOH R 202 SITE 1 AC2 5 SER S 17 THR S 35 GTP S 181 HOH S 202 SITE 2 AC2 5 HOH S 203 SITE 1 AC3 25 GLY R 13 VAL R 14 GLY R 15 LYS R 16 SITE 2 AC3 25 SER R 17 ALA R 18 PHE R 28 ILE R 29 SITE 3 AC3 25 GLU R 30 TYR R 32 PRO R 34 THR R 35 SITE 4 AC3 25 GLY R 60 THR R 61 ASN R 116 LYS R 117 SITE 5 AC3 25 ASP R 119 LEU R 120 SER R 146 ALA R 147 SITE 6 AC3 25 MG R 200 HOH R 201 HOH R 202 HOH R 207 SITE 7 AC3 25 HOH R 218 SITE 1 AC4 27 GLY S 12 GLY S 13 VAL S 14 GLY S 15 SITE 2 AC4 27 LYS S 16 SER S 17 ALA S 18 PHE S 28 SITE 3 AC4 27 ILE S 29 GLU S 30 TYR S 32 PRO S 34 SITE 4 AC4 27 THR S 35 GLY S 60 THR S 61 ASN S 116 SITE 5 AC4 27 LYS S 117 ASP S 119 LEU S 120 SER S 146 SITE 6 AC4 27 ALA S 147 MG S 201 HOH S 202 HOH S 203 SITE 7 AC4 27 HOH S 214 HOH S 221 HOH S 227 CRYST1 41.010 59.830 68.440 90.00 97.07 90.00 P 1 21 1 4 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 0.024384 0.000000 0.003024 0.00000 SCALE2 0.000000 0.016714 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014723 0.00000