HEADER ONCOPROTEIN 09-MAR-21 7LZ5 TITLE CRYSTAL STRUCTURE OF ONCOGENIC KRAS Q61E GMPPCP-BOUND COMPND MOL_ID: 1; COMPND 2 MOLECULE: ISOFORM 2B OF GTPASE KRAS; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: K-RAS 2,KI-RAS,C-K-RAS,C-KI-RAS; COMPND 5 EC: 3.6.5.2; COMPND 6 ENGINEERED: 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 ONCOGENIC, ACTIVE STATE, ONCOPROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR L.M.CAREY,S.L.CAMPBELL REVDAT 2 18-OCT-23 7LZ5 1 REMARK REVDAT 1 16-MAR-22 7LZ5 0 JRNL AUTH M.HUYNH JRNL TITL CRYSTAL STRUCTURE OF ONCOGENIC KRAS Q61E GMPPCP-BOUND JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.14_3260 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 : CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.68 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.390 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 32839 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.165 REMARK 3 R VALUE (WORKING SET) : 0.164 REMARK 3 FREE R VALUE : 0.179 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.060 REMARK 3 FREE R VALUE TEST SET COUNT : 1990 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 38.6800 - 3.6100 0.99 2300 158 0.1763 0.1990 REMARK 3 2 3.6100 - 2.8700 1.00 2240 140 0.1666 0.1850 REMARK 3 3 2.8700 - 2.5100 1.00 2215 142 0.1694 0.1699 REMARK 3 4 2.5100 - 2.2800 1.00 2218 148 0.1579 0.1598 REMARK 3 5 2.2800 - 2.1100 1.00 2203 139 0.1552 0.1626 REMARK 3 6 2.1100 - 1.9900 1.00 2201 147 0.1575 0.1700 REMARK 3 7 1.9900 - 1.8900 1.00 2188 132 0.1489 0.1744 REMARK 3 8 1.8900 - 1.8100 1.00 2210 149 0.1557 0.1713 REMARK 3 9 1.8100 - 1.7400 1.00 2194 140 0.1573 0.1783 REMARK 3 10 1.7400 - 1.6800 1.00 2171 144 0.1607 0.1611 REMARK 3 11 1.6800 - 1.6300 1.00 2210 136 0.1640 0.1912 REMARK 3 12 1.6300 - 1.5800 1.00 2182 141 0.1603 0.1787 REMARK 3 13 1.5800 - 1.5400 1.00 2176 136 0.1590 0.2124 REMARK 3 14 1.5400 - 1.5000 0.98 2141 138 0.1726 0.1808 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) : 0.102 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 15.528 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.79 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.24 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 : 0.015 1487 REMARK 3 ANGLE : 1.274 2032 REMARK 3 CHIRALITY : 0.080 223 REMARK 3 PLANARITY : 0.008 266 REMARK 3 DIHEDRAL : 27.930 563 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 7LZ5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-MAR-21. REMARK 100 THE DEPOSITION ID IS D_1000254485. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-JUN-19 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 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 : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32859 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 38.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 9.600 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 38.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.54 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 9.40 REMARK 200 R MERGE FOR SHELL (I) : 0.28000 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: PHASER REMARK 200 STARTING MODEL: 5VQ2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.72 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.66 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, 0.2 M AMMONIUM SULFATE, 0.1 REMARK 280 M HEPES, PH 7.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 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 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-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 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 -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 0.00000 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 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 47.20650 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 27.25469 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 39.77533 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 47.20650 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 27.25469 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 39.77533 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 47.20650 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 27.25469 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 39.77533 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 47.20650 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 27.25469 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 39.77533 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 47.20650 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 27.25469 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 39.77533 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 47.20650 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 27.25469 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 39.77533 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 54.50937 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 79.55067 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 54.50937 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 79.55067 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 54.50937 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 79.55067 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 54.50937 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 79.55067 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 54.50937 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 79.55067 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 54.50937 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 79.55067 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 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 MET A 1 CE REMARK 470 GLU A 31 CG CD OE1 OE2 REMARK 470 GLU A 61 CD OE1 OE2 REMARK 470 GLU A 63 CG CD OE1 OE2 REMARK 470 MET A 67 CE REMARK 470 GLN A 70 CG CD OE1 NE2 REMARK 470 ASP A 108 CG OD1 OD2 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 A 123 NE - CZ - NH1 ANGL. DEV. = -3.7 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 LYS A 117 38.04 74.57 REMARK 500 SER A 122 57.99 39.71 REMARK 500 ARG A 149 3.47 80.26 REMARK 500 ARG A 149 3.53 80.26 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 GCP A 201 O2G 166.4 REMARK 620 3 GCP A 201 O2B 92.7 99.3 REMARK 620 4 HOH A 314 O 89.9 97.0 87.3 REMARK 620 5 HOH A 326 O 84.5 87.8 96.2 173.5 REMARK 620 6 HOH A 362 O 82.7 86.8 167.3 80.9 95.1 REMARK 620 N 1 2 3 4 5 DBREF 7LZ5 A 1 164 UNP P01116-2 RASK-2_HUMAN 1 164 SEQADV 7LZ5 GLU A 61 UNP P01116-2 GLN 61 ENGINEERED MUTATION SEQADV 7LZ5 SER A 118 UNP P01116-2 CYS 118 ENGINEERED MUTATION SEQADV 7LZ5 LYS A 165 UNP P01116-2 EXPRESSION TAG SEQADV 7LZ5 HIS A 166 UNP P01116-2 EXPRESSION TAG SEQADV 7LZ5 LYS A 167 UNP P01116-2 EXPRESSION TAG SEQADV 7LZ5 GLU A 168 UNP P01116-2 EXPRESSION TAG SEQADV 7LZ5 LYS A 169 UNP P01116-2 EXPRESSION TAG SEQRES 1 A 169 MET THR GLU TYR LYS LEU VAL VAL VAL GLY ALA GLY GLY SEQRES 2 A 169 VAL GLY LYS SER ALA LEU THR ILE GLN LEU ILE GLN ASN SEQRES 3 A 169 HIS PHE VAL ASP GLU TYR ASP PRO THR ILE GLU ASP SER SEQRES 4 A 169 TYR ARG LYS GLN VAL VAL ILE ASP GLY GLU THR CYS LEU SEQRES 5 A 169 LEU ASP ILE LEU ASP THR ALA GLY GLU GLU GLU TYR SER SEQRES 6 A 169 ALA MET ARG ASP GLN TYR MET ARG THR GLY GLU GLY PHE SEQRES 7 A 169 LEU CYS VAL PHE ALA ILE ASN ASN THR LYS SER PHE GLU SEQRES 8 A 169 ASP ILE HIS HIS TYR ARG GLU GLN ILE LYS ARG VAL LYS SEQRES 9 A 169 ASP SER GLU ASP VAL PRO MET VAL LEU VAL GLY ASN LYS SEQRES 10 A 169 SER ASP LEU PRO SER ARG THR VAL ASP THR LYS GLN ALA SEQRES 11 A 169 GLN ASP LEU ALA ARG SER TYR GLY ILE PRO PHE ILE GLU SEQRES 12 A 169 THR SER ALA LYS THR ARG GLN GLY VAL ASP ASP ALA PHE SEQRES 13 A 169 TYR THR LEU VAL ARG GLU ILE ARG LYS HIS LYS GLU LYS HET GCP A 201 32 HET MG A 202 1 HETNAM GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER HETNAM MG MAGNESIUM ION FORMUL 2 GCP C11 H18 N5 O13 P3 FORMUL 3 MG MG 2+ FORMUL 4 HOH *131(H2 O) HELIX 1 AA1 GLY A 15 ASN A 26 1 12 HELIX 2 AA2 SER A 65 THR A 74 1 10 HELIX 3 AA3 ASN A 86 ASP A 92 1 7 HELIX 4 AA4 ASP A 92 ASP A 105 1 14 HELIX 5 AA5 ASP A 126 GLY A 138 1 13 HELIX 6 AA6 GLY A 151 LYS A 167 1 17 SHEET 1 AA1 6 SER A 39 ILE A 46 0 SHEET 2 AA1 6 GLU A 49 ASP A 57 -1 O LEU A 53 N LYS A 42 SHEET 3 AA1 6 THR A 2 GLY A 10 1 N TYR A 4 O ASP A 54 SHEET 4 AA1 6 GLY A 77 ALA A 83 1 O LEU A 79 N VAL A 9 SHEET 5 AA1 6 MET A 111 ASN A 116 1 O ASN A 116 N PHE A 82 SHEET 6 AA1 6 PHE A 141 GLU A 143 1 O ILE A 142 N LEU A 113 LINK OG SER A 17 MG MG A 202 1555 1555 2.11 LINK O2G GCP A 201 MG MG A 202 1555 1555 1.97 LINK O2B GCP A 201 MG MG A 202 1555 1555 2.05 LINK MG MG A 202 O HOH A 314 1555 1555 2.13 LINK MG MG A 202 O HOH A 326 1555 1555 2.02 LINK MG MG A 202 O HOH A 362 1555 1555 2.14 CRYST1 94.413 94.413 119.326 90.00 90.00 120.00 H 3 2 18 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 0.010592 0.006115 0.000000 0.00000 SCALE2 0.000000 0.012230 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008380 0.00000