HEADER HYDROLASE, SIGNALING PROTEIN 13-JAN-26 10DC TITLE H-RAS GTPASE R68A BOUND TO GPPNHP COMPND MOL_ID: 1; COMPND 2 MOLECULE: GTPASE HRAS; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: H-RAS-1,HA-RAS,TRANSFORMING PROTEIN P21,C-H-RAS,P21RAS; COMPND 5 EC: 3.6.5.2; COMPND 6 ENGINEERED: YES; COMPND 7 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: HRAS, HRAS1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS SMALL GTPASE, RAS GTPASE, GTP ANALOG, HYDROLASE, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR R.KNIHTILA,K.MARCUS,C.MATTOS REVDAT 1 11-FEB-26 10DC 0 JRNL AUTH K.MARCUS,M.SCHWABE,R.KNIHTILA,C.MATTOS JRNL TITL AN EVOLUTIONARILY CONSERVED SALT BRIDGE STABILIZES THE JRNL TITL 2 ACTIVE SITE FOR GTP HYDROLYSIS IN RHO GTPASES JRNL REF J.BIOL.CHEM. JRNL REFN ESSN 1083-351X JRNL DOI 10.1016/J.JBC.2026.111260 REMARK 2 REMARK 2 RESOLUTION. 2.08 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.21.2_5419 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.08 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.30 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 9861 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.170 REMARK 3 R VALUE (WORKING SET) : 0.165 REMARK 3 FREE R VALUE : 0.215 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.010 REMARK 3 FREE R VALUE TEST SET COUNT : 987 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 23.3000 - 3.9800 1.00 1322 150 0.1656 0.1961 REMARK 3 2 3.9700 - 3.1600 1.00 1280 140 0.1500 0.1866 REMARK 3 3 3.1600 - 2.7600 1.00 1248 144 0.1697 0.2262 REMARK 3 4 2.7600 - 2.5100 1.00 1265 136 0.1765 0.2391 REMARK 3 5 2.5100 - 2.3300 1.00 1253 145 0.1740 0.2561 REMARK 3 6 2.3300 - 2.1900 1.00 1259 134 0.1568 0.2372 REMARK 3 7 2.1900 - 2.0800 1.00 1247 138 0.1781 0.2658 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 0.250 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.685 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.19 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.14 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 : 0.004 1298 REMARK 3 ANGLE : 0.553 1766 REMARK 3 CHIRALITY : 0.044 203 REMARK 3 PLANARITY : 0.005 225 REMARK 3 DIHEDRAL : 16.156 490 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 6 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 1 THROUGH 25 ) REMARK 3 ORIGIN FOR THE GROUP (A): -20.8034 8.5941 3.6161 REMARK 3 T TENSOR REMARK 3 T11: 0.2456 T22: 0.2133 REMARK 3 T33: 0.2237 T12: 0.0054 REMARK 3 T13: -0.0032 T23: 0.0154 REMARK 3 L TENSOR REMARK 3 L11: 1.9753 L22: 0.8806 REMARK 3 L33: 0.5917 L12: -0.2041 REMARK 3 L13: -0.0900 L23: 0.2606 REMARK 3 S TENSOR REMARK 3 S11: -0.0210 S12: -0.2031 S13: -0.3659 REMARK 3 S21: 0.1327 S22: 0.0665 S23: 0.1074 REMARK 3 S31: 0.1485 S32: 0.0713 S33: -0.0721 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 26 THROUGH 36 ) REMARK 3 ORIGIN FOR THE GROUP (A): -33.0515 6.7703 3.5396 REMARK 3 T TENSOR REMARK 3 T11: 0.3760 T22: 0.3862 REMARK 3 T33: 0.4135 T12: -0.0062 REMARK 3 T13: 0.0408 T23: 0.0416 REMARK 3 L TENSOR REMARK 3 L11: 0.6244 L22: 1.3315 REMARK 3 L33: 3.8600 L12: 0.7871 REMARK 3 L13: 1.0436 L23: 0.8068 REMARK 3 S TENSOR REMARK 3 S11: -0.0053 S12: -0.1621 S13: 0.1778 REMARK 3 S21: 0.2285 S22: -0.0785 S23: 0.4569 REMARK 3 S31: 0.0749 S32: -0.7433 S33: 0.0346 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 37 THROUGH 74 ) REMARK 3 ORIGIN FOR THE GROUP (A): -17.1730 8.0689 8.3648 REMARK 3 T TENSOR REMARK 3 T11: 0.2234 T22: 0.2153 REMARK 3 T33: 0.1946 T12: 0.0169 REMARK 3 T13: -0.0095 T23: 0.0048 REMARK 3 L TENSOR REMARK 3 L11: 0.3297 L22: 0.7734 REMARK 3 L33: 1.1071 L12: -0.4023 REMARK 3 L13: -0.1881 L23: 0.4714 REMARK 3 S TENSOR REMARK 3 S11: -0.0866 S12: -0.1049 S13: -0.0452 REMARK 3 S21: 0.0491 S22: 0.0136 S23: 0.1387 REMARK 3 S31: -0.1115 S32: -0.0667 S33: 0.0487 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 75 THROUGH 126 ) REMARK 3 ORIGIN FOR THE GROUP (A): -22.0816 22.2479 2.1267 REMARK 3 T TENSOR REMARK 3 T11: 0.1741 T22: 0.1980 REMARK 3 T33: 0.2098 T12: -0.0147 REMARK 3 T13: 0.0102 T23: -0.0081 REMARK 3 L TENSOR REMARK 3 L11: 1.4446 L22: 1.3079 REMARK 3 L33: 1.4518 L12: -0.2512 REMARK 3 L13: 0.1074 L23: 0.3406 REMARK 3 S TENSOR REMARK 3 S11: -0.0397 S12: -0.0130 S13: 0.1510 REMARK 3 S21: 0.0423 S22: 0.0397 S23: -0.0934 REMARK 3 S31: -0.1731 S32: 0.2184 S33: -0.0294 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 127 THROUGH 151 ) REMARK 3 ORIGIN FOR THE GROUP (A): -21.4963 20.3794 -6.6590 REMARK 3 T TENSOR REMARK 3 T11: 0.2092 T22: 0.2149 REMARK 3 T33: 0.2104 T12: 0.0244 REMARK 3 T13: 0.0085 T23: 0.0033 REMARK 3 L TENSOR REMARK 3 L11: 1.2951 L22: 1.6098 REMARK 3 L33: 1.0233 L12: 0.7354 REMARK 3 L13: 0.0944 L23: 0.3479 REMARK 3 S TENSOR REMARK 3 S11: 0.0325 S12: 0.0649 S13: 0.0664 REMARK 3 S21: -0.0660 S22: 0.0869 S23: 0.0643 REMARK 3 S31: -0.0867 S32: -0.0692 S33: -0.1080 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 152 THROUGH 166 ) REMARK 3 ORIGIN FOR THE GROUP (A): -11.7811 12.0719 -2.6573 REMARK 3 T TENSOR REMARK 3 T11: 0.2271 T22: 0.2252 REMARK 3 T33: 0.1722 T12: 0.0041 REMARK 3 T13: -0.0035 T23: -0.0041 REMARK 3 L TENSOR REMARK 3 L11: 3.5019 L22: 1.1354 REMARK 3 L33: 1.1855 L12: -0.2283 REMARK 3 L13: -0.0932 L23: -0.6107 REMARK 3 S TENSOR REMARK 3 S11: -0.1115 S12: 0.1056 S13: -0.0528 REMARK 3 S21: -0.0919 S22: 0.0262 S23: -0.1008 REMARK 3 S31: -0.0633 S32: 0.0003 S33: 0.0926 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 10DC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-JAN-26. REMARK 100 THE DEPOSITION ID IS D_1000304194. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-JAN-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54178 REMARK 200 MONOCHROMATOR : CU REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9861 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.080 REMARK 200 RESOLUTION RANGE LOW (A) : 23.300 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.10700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 27.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.08 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.20 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 REMARK 200 DATA REDUNDANCY IN SHELL : 3.40 REMARK 200 R MERGE FOR SHELL (I) : 0.41300 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: PHENIX 1.21.2_5419 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.21 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M CALCIUM ACETATE, 20% W/V PEG REMARK 280 3350, 0.1% N-OCTYL GLUCOPYRANOSIDE, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 291.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y,X,Z+1/4 REMARK 290 4555 Y,-X,Z+3/4 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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 16.66050 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 8.33025 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 24.99075 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 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 GLN A 61 REMARK 465 GLU A 62 REMARK 465 GLU A 63 REMARK 465 TYR A 64 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 GLU A 31 CG CD OE1 OE2 REMARK 470 LYS A 88 CG CD CE NZ REMARK 470 GLN A 95 CG CD OE1 NE2 REMARK 470 LYS A 101 CG CD CE NZ REMARK 470 ASP A 107 CG OD1 OD2 REMARK 470 ARG A 128 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 135 CG CD NE CZ NH1 NH2 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 372 O HOH A 408 2.19 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 ILE A 36 -68.10 -101.66 REMARK 500 LYS A 117 35.07 73.43 REMARK 500 ARG A 149 -2.02 74.94 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 THR A 35 OG1 82.0 REMARK 620 3 GNP A 201 O2G 169.9 88.4 REMARK 620 4 GNP A 201 O2B 91.0 172.6 98.7 REMARK 620 5 HOH A 315 O 90.7 89.6 85.9 93.0 REMARK 620 6 HOH A 318 O 88.8 87.8 94.2 89.5 177.4 REMARK 620 N 1 2 3 4 5 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4N9A RELATED DB: PDB REMARK 900 TO BE IN SAME PUBLICATION REMARK 900 RELATED ID: 4N9B RELATED DB: PDB REMARK 900 TO BE IN SAME PUBLICATION REMARK 900 RELATED ID: 4N9C RELATED DB: PDB REMARK 900 TO BE IN SAME PUBLICATION DBREF 10DC A 1 166 UNP P01112 RASH_HUMAN 1 166 SEQADV 10DC ALA A 68 UNP P01112 ARG 68 ENGINEERED MUTATION SEQRES 1 A 166 MET THR GLU TYR LYS LEU VAL VAL VAL GLY ALA GLY GLY SEQRES 2 A 166 VAL GLY LYS SER ALA LEU THR ILE GLN LEU ILE GLN ASN SEQRES 3 A 166 HIS PHE VAL ASP GLU TYR ASP PRO THR ILE GLU ASP SER SEQRES 4 A 166 TYR ARG LYS GLN VAL VAL ILE ASP GLY GLU THR CYS LEU SEQRES 5 A 166 LEU ASP ILE LEU ASP THR ALA GLY GLN GLU GLU TYR SER SEQRES 6 A 166 ALA MET ALA ASP GLN TYR MET ARG THR GLY GLU GLY PHE SEQRES 7 A 166 LEU CYS VAL PHE ALA ILE ASN ASN THR LYS SER PHE GLU SEQRES 8 A 166 ASP ILE HIS GLN TYR ARG GLU GLN ILE LYS ARG VAL LYS SEQRES 9 A 166 ASP SER ASP ASP VAL PRO MET VAL LEU VAL GLY ASN LYS SEQRES 10 A 166 CYS ASP LEU ALA ALA ARG THR VAL GLU SER ARG GLN ALA SEQRES 11 A 166 GLN ASP LEU ALA ARG SER TYR GLY ILE PRO TYR ILE GLU SEQRES 12 A 166 THR SER ALA LYS THR ARG GLN GLY VAL GLU ASP ALA PHE SEQRES 13 A 166 TYR THR LEU VAL ARG GLU ILE ARG GLN HIS HET GNP A 201 32 HET MG A 202 1 HETNAM GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER HETNAM MG MAGNESIUM ION FORMUL 2 GNP C10 H17 N6 O13 P3 FORMUL 3 MG MG 2+ FORMUL 4 HOH *126(H2 O) HELIX 1 AA1 GLY A 15 ASN A 26 1 12 HELIX 2 AA2 ALA A 66 ARG A 73 1 8 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 GLU A 126 GLY A 138 1 13 HELIX 6 AA6 GLY A 151 GLN A 165 1 15 SHEET 1 AA1 6 GLU A 37 ILE A 46 0 SHEET 2 AA1 6 GLU A 49 THR A 58 -1 O ASP A 57 N ASP A 38 SHEET 3 AA1 6 GLU A 3 VAL A 9 1 N LEU A 6 O ASP A 54 SHEET 4 AA1 6 GLY A 77 ALA A 83 1 O VAL A 81 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 TYR 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 2.04 LINK OG1 THR A 35 MG MG A 202 1555 1555 2.11 LINK O2G GNP A 201 MG MG A 202 1555 1555 2.04 LINK O2B GNP A 201 MG MG A 202 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 2.08 CRYST1 69.896 69.896 33.321 90.00 90.00 90.00 P 41 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 0.014307 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014307 0.000000 0.00000 SCALE3 0.000000 0.000000 0.030011 0.00000 CONECT 117 1281 CONECT 261 1281 CONECT 1249 1250 1251 1252 1253 CONECT 1250 1249 CONECT 1251 1249 1281 CONECT 1252 1249 CONECT 1253 1249 1254 CONECT 1254 1253 1255 1256 1257 CONECT 1255 1254 CONECT 1256 1254 1281 CONECT 1257 1254 1258 CONECT 1258 1257 1259 1260 1261 CONECT 1259 1258 CONECT 1260 1258 CONECT 1261 1258 1262 CONECT 1262 1261 1263 CONECT 1263 1262 1264 1265 CONECT 1264 1263 1269 CONECT 1265 1263 1266 1267 CONECT 1266 1265 CONECT 1267 1265 1268 1269 CONECT 1268 1267 CONECT 1269 1264 1267 1270 CONECT 1270 1269 1271 1280 CONECT 1271 1270 1272 CONECT 1272 1271 1273 CONECT 1273 1272 1274 1280 CONECT 1274 1273 1275 1276 CONECT 1275 1274 CONECT 1276 1274 1277 CONECT 1277 1276 1278 1279 CONECT 1278 1277 CONECT 1279 1277 1280 CONECT 1280 1270 1273 1279 CONECT 1281 117 261 1251 1256 CONECT 1281 1296 1299 CONECT 1296 1281 CONECT 1299 1281 MASTER 363 0 2 6 6 0 0 6 1406 1 38 13 END