HEADER ONCOPROTEIN 08-JUL-19 6PQ3 TITLE CRYSTAL STRUCTURE OF GDP-BOUND KRAS WITH TEN RESIDUES LONG INTERNAL TITLE 2 TANDEM DUPLICATION IN THE SWITCH II REGION COMPND MOL_ID: 1; COMPND 2 MOLECULE: GTPASE KRAS; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: K-RAS 2,KI-RAS,C-K-RAS,C-KI-RAS; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: KRAS, KRAS2, RASK2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS KRAS, RAS, MG, K-RAS, ONCOPROTEIN, GDP, INTERNAL TANDEM DUPLICATION, KEYWDS 2 ITD EXPDTA X-RAY DIFFRACTION AUTHOR S.DHARMAIAH,A.H.CHAN,T.H.TRAN,D.K.SIMANSHU REVDAT 4 11-OCT-23 6PQ3 1 LINK REVDAT 3 22-JUL-20 6PQ3 1 JRNL REVDAT 2 27-MAY-20 6PQ3 1 JRNL REVDAT 1 20-MAY-20 6PQ3 0 JRNL AUTH A.C.NELSON,T.J.TURBYVILLE,S.DHARMAIAH,M.RIGBY,R.YANG, JRNL AUTH 2 T.Y.WANG,J.COLUMBUS,R.STEPHENS,T.TAYLOR,D.SCIACCA,G.ONSONGO, JRNL AUTH 3 A.SARVER,S.SUBRAMANIAN,D.V.NISSLEY,D.K.SIMANSHU,E.LOU JRNL TITL RASINTERNAL TANDEM DUPLICATION DISRUPTS GTPASE-ACTIVATING JRNL TITL 2 PROTEIN (GAP) BINDING TO ACTIVATE ONCOGENIC SIGNALING. JRNL REF J.BIOL.CHEM. V. 295 9335 2020 JRNL REFN ESSN 1083-351X JRNL PMID 32393580 JRNL DOI 10.1074/JBC.RA119.011080 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.17.1_3660 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.45 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 16453 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.183 REMARK 3 R VALUE (WORKING SET) : 0.179 REMARK 3 FREE R VALUE : 0.217 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.940 REMARK 3 FREE R VALUE TEST SET COUNT : 1635 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 41.4500 - 4.0100 1.00 1285 144 0.1708 0.2015 REMARK 3 2 4.0100 - 3.1800 1.00 1242 133 0.1640 0.2095 REMARK 3 3 3.1800 - 2.7800 1.00 1248 140 0.1778 0.2113 REMARK 3 4 2.7800 - 2.5200 1.00 1237 132 0.1808 0.2428 REMARK 3 5 2.5200 - 2.3400 1.00 1244 132 0.1802 0.2008 REMARK 3 6 2.3400 - 2.2000 1.00 1230 131 0.1717 0.2172 REMARK 3 7 2.2000 - 2.0900 1.00 1222 137 0.1855 0.2159 REMARK 3 8 2.0900 - 2.0000 1.00 1226 141 0.1845 0.2369 REMARK 3 9 2.0000 - 1.9300 1.00 1209 140 0.1921 0.2045 REMARK 3 10 1.9300 - 1.8600 1.00 1222 132 0.2156 0.2591 REMARK 3 11 1.8600 - 1.8000 1.00 1225 134 0.2467 0.3219 REMARK 3 12 1.8000 - 1.7500 1.00 1228 139 0.2702 0.3606 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.190 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.350 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 36.12 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 45.19 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 20.6719 -22.2767 6.7114 REMARK 3 T TENSOR REMARK 3 T11: 0.2018 T22: 0.2449 REMARK 3 T33: 0.2722 T12: -0.0195 REMARK 3 T13: -0.0151 T23: 0.0013 REMARK 3 L TENSOR REMARK 3 L11: 2.9205 L22: 3.5963 REMARK 3 L33: 2.4526 L12: 0.0773 REMARK 3 L13: -0.3150 L23: 0.3505 REMARK 3 S TENSOR REMARK 3 S11: 0.0173 S12: 0.1302 S13: 0.1744 REMARK 3 S21: -0.1302 S22: -0.0060 S23: 0.2213 REMARK 3 S31: -0.0456 S32: -0.3186 S33: -0.0021 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6PQ3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-JUL-19. REMARK 100 THE DEPOSITION ID IS D_1000242854. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-APR-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 24-ID-E REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9792 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16461 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 41.450 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 8.891 REMARK 200 R MERGE (I) : 0.04900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.5900 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 8.93 REMARK 200 R MERGE FOR SHELL (I) : 0.82100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.670 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 4OBE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.02 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 200 MM LITHIUM ACETATE AND 2.2 M REMARK 280 AMMONIUM SULFATE, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/2 REMARK 290 6555 X-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 -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 0.00000 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 0.00000 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 20.56500 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 20.56500 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 20.56500 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 S SO4 A 205 LIES ON A SPECIAL POSITION. 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 0 REMARK 465 GLU A 72 REMARK 465 GLU A 73 REMARK 465 TYR A 74 REMARK 465 SER A 75 REMARK 465 ALA A 76 REMARK 465 MET A 77 REMARK 465 ARG A 78 REMARK 465 ASP A 79 REMARK 465 GLN A 80 REMARK 465 GLU A 178 REMARK 465 LYS A 179 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A 83 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 138 CG CD CE NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 301 O HOH A 337 2.14 REMARK 500 OD2 ASP A 30 O HOH A 301 2.15 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 ASP A 67 72.90 -69.47 REMARK 500 THR A 68 -156.54 -94.72 REMARK 500 ALA A 69 -110.91 -142.42 REMARK 500 ASP A 118 79.77 -114.28 REMARK 500 ARG A 159 -3.31 82.70 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 202 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 17 OG REMARK 620 2 GDP A 201 O1B 94.6 REMARK 620 3 HOH A 305 O 78.8 93.7 REMARK 620 4 HOH A 310 O 95.1 88.6 173.6 REMARK 620 5 HOH A 315 O 167.0 92.0 89.5 96.3 REMARK 620 6 HOH A 318 O 86.1 176.6 89.7 87.9 88.0 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 GDP A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 204 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 205 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 206 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 207 DBREF 6PQ3 A 1 179 UNP P01116 RASK_HUMAN 1 169 SEQADV 6PQ3 GLY A 0 UNP P01116 EXPRESSION TAG SEQADV 6PQ3 ILE A 65 UNP P01116 INSERTION SEQADV 6PQ3 LEU A 66 UNP P01116 INSERTION SEQADV 6PQ3 ASP A 67 UNP P01116 INSERTION SEQADV 6PQ3 THR A 68 UNP P01116 INSERTION SEQADV 6PQ3 ALA A 69 UNP P01116 INSERTION SEQADV 6PQ3 GLY A 70 UNP P01116 INSERTION SEQADV 6PQ3 GLN A 71 UNP P01116 INSERTION SEQADV 6PQ3 GLU A 72 UNP P01116 INSERTION SEQADV 6PQ3 GLU A 73 UNP P01116 INSERTION SEQADV 6PQ3 TYR A 74 UNP P01116 INSERTION SEQRES 1 A 180 GLY MET THR GLU TYR LYS LEU VAL VAL VAL GLY ALA GLY SEQRES 2 A 180 GLY VAL GLY LYS SER ALA LEU THR ILE GLN LEU ILE GLN SEQRES 3 A 180 ASN HIS PHE VAL ASP GLU TYR ASP PRO THR ILE GLU ASP SEQRES 4 A 180 SER TYR ARG LYS GLN VAL VAL ILE ASP GLY GLU THR CYS SEQRES 5 A 180 LEU LEU ASP ILE LEU ASP THR ALA GLY GLN GLU GLU TYR SEQRES 6 A 180 ILE LEU ASP THR ALA GLY GLN GLU GLU TYR SER ALA MET SEQRES 7 A 180 ARG ASP GLN TYR MET ARG THR GLY GLU GLY PHE LEU CYS SEQRES 8 A 180 VAL PHE ALA ILE ASN ASN THR LYS SER PHE GLU ASP ILE SEQRES 9 A 180 HIS HIS TYR ARG GLU GLN ILE LYS ARG VAL LYS ASP SER SEQRES 10 A 180 GLU ASP VAL PRO MET VAL LEU VAL GLY ASN LYS CYS ASP SEQRES 11 A 180 LEU PRO SER ARG THR VAL ASP THR LYS GLN ALA GLN ASP SEQRES 12 A 180 LEU ALA ARG SER TYR GLY ILE PRO PHE ILE GLU THR SER SEQRES 13 A 180 ALA LYS THR ARG GLN GLY VAL ASP GLN ALA PHE TYR THR SEQRES 14 A 180 LEU VAL ARG GLU ILE ARG LYS HIS LYS GLU LYS HET GDP A 201 28 HET MG A 202 1 HET SO4 A 203 5 HET SO4 A 204 5 HET SO4 A 205 5 HET SO4 A 206 5 HET SO4 A 207 5 HETNAM GDP GUANOSINE-5'-DIPHOSPHATE HETNAM MG MAGNESIUM ION HETNAM SO4 SULFATE ION FORMUL 2 GDP C10 H15 N5 O11 P2 FORMUL 3 MG MG 2+ FORMUL 4 SO4 5(O4 S 2-) FORMUL 9 HOH *39(H2 O) HELIX 1 AA1 GLY A 15 ASN A 26 1 12 HELIX 2 AA2 GLN A 61 ASP A 67 1 7 HELIX 3 AA3 ASN A 96 ASP A 102 1 7 HELIX 4 AA4 ASP A 102 ASP A 115 1 14 HELIX 5 AA5 ASP A 136 GLY A 148 1 13 HELIX 6 AA6 GLY A 161 HIS A 176 1 16 SHEET 1 AA1 6 ASP A 38 ILE A 46 0 SHEET 2 AA1 6 GLU A 49 ASP A 57 -1 O GLU A 49 N ILE A 46 SHEET 3 AA1 6 THR A 2 GLY A 10 1 N LEU A 6 O LEU A 56 SHEET 4 AA1 6 GLY A 87 ALA A 93 1 O LEU A 89 N VAL A 7 SHEET 5 AA1 6 MET A 121 ASN A 126 1 O ASN A 126 N PHE A 92 SHEET 6 AA1 6 PHE A 151 GLU A 153 1 O ILE A 152 N LEU A 123 LINK OG SER A 17 MG MG A 202 1555 1555 2.10 LINK O1B GDP A 201 MG MG A 202 1555 1555 2.08 LINK MG MG A 202 O HOH A 305 1555 1555 2.11 LINK MG MG A 202 O HOH A 310 1555 1555 2.05 LINK MG MG A 202 O HOH A 315 1555 1555 2.14 LINK MG MG A 202 O HOH A 318 1555 1555 2.16 SITE 1 AC1 23 GLY A 13 VAL A 14 GLY A 15 LYS A 16 SITE 2 AC1 23 SER A 17 ALA A 18 PHE A 28 VAL A 29 SITE 3 AC1 23 ASP A 30 TYR A 32 ASN A 126 LYS A 127 SITE 4 AC1 23 ASP A 129 LEU A 130 SER A 155 ALA A 156 SITE 5 AC1 23 LYS A 157 MG A 202 HOH A 305 HOH A 310 SITE 6 AC1 23 HOH A 315 HOH A 320 HOH A 321 SITE 1 AC2 6 SER A 17 GDP A 201 HOH A 305 HOH A 310 SITE 2 AC2 6 HOH A 315 HOH A 318 SITE 1 AC3 6 ARG A 41 ARG A 107 GLU A 108 LYS A 111 SITE 2 AC3 6 GLU A 117 TYR A 147 SITE 1 AC4 2 HIS A 27 PHE A 28 SITE 1 AC5 3 THR A 97 LYS A 98 HOH A 303 SITE 1 AC6 10 VAL A 45 ILE A 46 ASP A 47 GLY A 48 SITE 2 AC6 10 GLU A 62 HIS A 105 GLN A 109 ARG A 112 SITE 3 AC6 10 SO4 A 207 HOH A 323 SITE 1 AC7 7 GLY A 60 GLU A 62 ILE A 65 HIS A 105 SITE 2 AC7 7 TYR A 106 GLN A 109 SO4 A 206 CRYST1 82.900 82.900 41.130 90.00 90.00 120.00 P 63 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 0.012063 0.006964 0.000000 0.00000 SCALE2 0.000000 0.013929 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024313 0.00000