HEADER TRANSCRIPTION REGULATION 13-SEP-01 1GMG TITLE ALANINE 31 PROLINE MUTANT OF ROP PROTEIN, MONOCLINIC FORM COMPND MOL_ID: 1; COMPND 2 MOLECULE: REGULATORY PROTEIN ROP; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: RNA ONE MODULATOR, ROM; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 STRAIN: 71/72 (71/18 PLUS PCI857)URCE 8; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PEX43 KEYWDS TRANSCRIPTION REGULATION EXPDTA X-RAY DIFFRACTION AUTHOR N.M.GLYKOS,M.KOKKINIDIS REVDAT 4 13-DEC-23 1GMG 1 REMARK REVDAT 3 24-FEB-09 1GMG 1 VERSN REVDAT 2 26-MAR-03 1GMG 1 JRNL REVDAT 1 12-SEP-02 1GMG 0 JRNL AUTH N.M.GLYKOS,M.KOKKINIDIS JRNL TITL STRUCTURE DETERMINATION OF A SMALL PROTEIN THROUGH A JRNL TITL 2 23-DIMENSIONAL MOLECULAR-REPLACEMENT SEARCH. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 59 709 2003 JRNL REFN ISSN 0907-4449 JRNL PMID 12657790 JRNL DOI 10.1107/S0907444903002889 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH N.M.GLYKOS,G.CESARENI,M.KOKKINIDIS REMARK 1 TITL PROTEIN PLASTICITY TO THE EXTREME: CHANGING THE TOPOLOGY OF REMARK 1 TITL 2 A 4-ALPHA-HELICAL BUNDLE WITH A SINGLE AMINO-ACID REMARK 1 TITL 3 SUBSTITUTION REMARK 1 REF STRUCTURE V. 7 597 1999 REMARK 1 REFN ISSN 0969-2126 REMARK 1 PMID 10404589 REMARK 1 DOI 10.1016/S0969-2126(99)80081-1 REMARK 1 REFERENCE 2 REMARK 1 AUTH N.M.GLYKOS,M.KOKKINIDIS REMARK 1 TITL MEANINGFUL REFINEMENT OF POLY-ALANINE MODELS USING REMARK 1 TITL 2 RIGID-BODY SIMULATED ANNEALING : APPLICATION TO THE REMARK 1 TITL 3 STRUCTURE DETERMINATION OF THE A31P ROP MUTANT REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 55 1301 1999 REMARK 1 REFN ISSN 0907-4449 REMARK 1 PMID 10393296 REMARK 1 DOI 10.1107/S0907444999004989 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.4 REMARK 3 NUMBER OF REFLECTIONS : 8771 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) : 0.187 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 489 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.99 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 953 REMARK 3 BIN R VALUE (WORKING SET) : 0.1920 REMARK 3 BIN FREE R VALUE : 0.3230 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 69 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 : 851 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 92 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 39.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 41.16 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.71230 REMARK 3 B22 (A**2) : 1.75050 REMARK 3 B33 (A**2) : -4.46280 REMARK 3 B12 (A**2) : 0.00000 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) : 0.19 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 36.0 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) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 0.864 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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) : 3.031 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 7.957 ; 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 : TOPHCSDX.PRO REMARK 3 PARAMETER FILE 2 : TOPH19.SOL REMARK 3 PARAMETER FILE 3 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: RESOLUTION-DEPENDENT TWO-LINE WEIGHTING REMARK 3 SCHEME (DAVID SMITH, G. (1997), ACTA CRYST. D53, PP.41-48). REMARK 4 REMARK 4 1GMG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 13-SEP-01. REMARK 100 THE DEPOSITION ID IS D_1290008564. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-NOV-99 REMARK 200 TEMPERATURE (KELVIN) : 293.0 REMARK 200 PH : 4.80 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 RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : YALE MIRRORS REMARK 200 OPTICS : YALE MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8771 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 36.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.4 REMARK 200 DATA REDUNDANCY : 8.200 REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.6 REMARK 200 DATA REDUNDANCY IN SHELL : 4.10 REMARK 200 R MERGE FOR SHELL (I) : 0.29100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: QUEEN OF SPADES, X-PLOR REMARK 200 STARTING MODEL: POLY-ALANINE MODEL OF ONE HELIX (RESIDUES 4-29) REMARK 200 FROM PDB ENTRY 1RPO REMARK 200 REMARK 200 REMARK: THE STRUCTURE WAS DETERMINED THROUGH A 23-DIMENSIONAL REMARK 200 MOLECULAR REPLACEMENT SEARCH PERFORMED WITH THE PROGRAM QUEEN OF REMARK 200 SPADES AND USING AS A SEARCH MODEL ONE POLY-ALANINE HELIX REMARK 200 ACCOUNTING FOR 13% OF THE TOTAL NUMBER OF ATOMS. REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 37% (V/V) ETHANOL, 450 MM NACL, 50 MM REMARK 280 CITRATE BUFFER PH4.8, 1MM EDTA, USING THE DIALYSIS METHOD., PH REMARK 280 4.80 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 47.19500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 12.12500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 47.19500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 12.12500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 300 REMARK: THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT CONTAINS REMARK 300 TWOCRYSTALLOGRAPHICALLY INDEPENDENT MONOMERS (HALF REMARK 300 BUNDLES).THE TWO COMPLETE 4-ALPHA-HELICAL BUNDLES REMARK 300 ARE FORMED THROUGHTHE APPLICATION OF REMARK 300 CRYSTALLOGRAPHIC SYMMETRY OPERATORSCORRESPONDING TO THE REMARK 300 TWO-FOLD AXES (PARALLEL TO Y) ATX=0.00, Z= REMARK 300 0.00 AND AT X=0.50, Z=0.50.THE CHAIN IN REMARK 300 THE COMPLEX ARE 1268.5 ANGSTROM**2AND 1158. REMARK 300 3 ANGSTROM**2 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PQS 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 -41.82318 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 49.14207 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 HOH A2045 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2046 LIES ON A SPECIAL POSITION. REMARK 375 HOH B2035 LIES ON A SPECIAL POSITION. REMARK 400 REMARK 400 COMPOUND REMARK 400 CHAIN A, B ENGINEERED MUTATION ALA31PRO 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 57 REMARK 465 ASP A 58 REMARK 465 ASP A 59 REMARK 465 GLY A 60 REMARK 465 GLU A 61 REMARK 465 ASN A 62 REMARK 465 LEU A 63 REMARK 465 MET B 1 REMARK 465 THR B 2 REMARK 465 GLY B 57 REMARK 465 ASP B 58 REMARK 465 ASP B 59 REMARK 465 GLY B 60 REMARK 465 GLU B 61 REMARK 465 ASN B 62 REMARK 465 LEU B 63 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 LYS A 3 CG CD CE NZ REMARK 470 ARG A 55 CD NE CZ NH1 NH2 REMARK 470 PHE A 56 O REMARK 470 LYS B 3 CB CG CD CE NZ REMARK 470 GLN B 4 CG CD OE1 NE2 REMARK 470 GLU B 5 CG CD OE1 OE2 REMARK 470 LYS B 6 CE NZ REMARK 470 LEU B 9 CD1 CD2 REMARK 470 ARG B 13 CZ NH1 NH2 REMARK 470 LEU B 20 CD1 CD2 REMARK 470 GLU B 47 CD OE1 OE2 REMARK 470 ARG B 55 CD NE CZ NH1 NH2 REMARK 470 PHE B 56 O CD1 CD2 CE1 CE2 CZ REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A2012 DISTANCE = 6.98 ANGSTROMS REMARK 525 HOH A2014 DISTANCE = 6.27 ANGSTROMS REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1B6Q RELATED DB: PDB REMARK 900 ALANINE 31 PROLINE MUTANT OF ROP PROTEIN REMARK 900 RELATED ID: 1F4M RELATED DB: PDB REMARK 900 P3(2) CRYSTAL STRUCTURE OF ALA2ILE2-6, A VERSION OF ROP WITH A REMARK 900 REPACKED HYDROPHOBIC CORE AND A NEW FOLD. REMARK 900 RELATED ID: 1F4N RELATED DB: PDB REMARK 900 C2 CRYSTAL STRUCTURE OF ALA2ILE2-6, A VERSION OF ROP WITH A REMARK 900 REPACKED HYDROPHOBIC CORE AND A NEW FOLD. REMARK 900 RELATED ID: 1GTO RELATED DB: PDB REMARK 900 HIGH RESOLUTION STRUCTURE OF A HYPERSTABLE HELICAL BUNDLEPROTEIN REMARK 900 MUTANT REMARK 900 RELATED ID: 1NKD RELATED DB: PDB REMARK 900 ATOMIC RESOLUTION (1.07 ANGSTROMS) STRUCTURE OF THE ROP MUTANT <2AA> REMARK 900 RELATED ID: 1ROP RELATED DB: PDB REMARK 900 ROP: COLE1 REPRESSOR OF PRIMER REMARK 900 RELATED ID: 1RPO RELATED DB: PDB REMARK 900 ROP (COLE1 REPRESSOR OF PRIMER) MUTANT WITH ALA INSERTED ON EITHER REMARK 900 SIDE OF ASP 31 ( INS (A-D31-A)) REMARK 900 RELATED ID: 1RPR RELATED DB: PDB REMARK 900 ROP (REPRESSOR OF PRIMER) (NMR, 10 STRUCTURES) DBREF 1GMG A 1 63 UNP P03051 ROP_ECOLI 1 63 DBREF 1GMG B 1 63 UNP P03051 ROP_ECOLI 1 63 SEQADV 1GMG PRO A 31 UNP P03051 ALA 31 ENGINEERED MUTATION SEQADV 1GMG PRO B 31 UNP P03051 ALA 31 ENGINEERED MUTATION SEQRES 1 A 63 MET THR LYS GLN GLU LYS THR ALA LEU ASN MET ALA ARG SEQRES 2 A 63 PHE ILE ARG SER GLN THR LEU THR LEU LEU GLU LYS LEU SEQRES 3 A 63 ASN GLU LEU ASP PRO ASP GLU GLN ALA ASP ILE CYS GLU SEQRES 4 A 63 SER LEU HIS ASP HIS ALA ASP GLU LEU TYR ARG SER CYS SEQRES 5 A 63 LEU ALA ARG PHE GLY ASP ASP GLY GLU ASN LEU SEQRES 1 B 63 MET THR LYS GLN GLU LYS THR ALA LEU ASN MET ALA ARG SEQRES 2 B 63 PHE ILE ARG SER GLN THR LEU THR LEU LEU GLU LYS LEU SEQRES 3 B 63 ASN GLU LEU ASP PRO ASP GLU GLN ALA ASP ILE CYS GLU SEQRES 4 B 63 SER LEU HIS ASP HIS ALA ASP GLU LEU TYR ARG SER CYS SEQRES 5 B 63 LEU ALA ARG PHE GLY ASP ASP GLY GLU ASN LEU FORMUL 3 HOH *92(H2 O) HELIX 1 1 THR A 2 ASN A 27 1 26 HELIX 2 2 ASP A 30 ARG A 55 1 26 HELIX 3 3 LYS B 3 ASN B 27 1 25 HELIX 4 4 ASP B 30 ARG B 55 1 26 SSBOND 1 CYS A 38 CYS A 52 1555 2556 2.92 CRYST1 94.390 24.250 64.530 90.00 130.40 90.00 C 1 2 1 8 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 0.010594 0.000000 0.009016 0.00000 SCALE2 0.000000 0.041237 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020349 0.00000 MTRIX1 1 -0.995790 0.020970 0.089200 -23.32356 1 MTRIX2 1 -0.019060 -0.999570 0.022170 28.64060 1 MTRIX3 1 0.089630 0.020380 0.995770 -23.16492 1