HEADER RIBOSOME 21-NOV-99 1DFU TITLE CRYSTAL STRUCTURE OF E.COLI RIBOSOMAL PROTEIN L25 COMPLEXED WITH A 5S TITLE 2 RRNA FRAGMENT AT 1.8 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5S RRNA; COMPND 3 CHAIN: M; COMPND 4 FRAGMENT: LOOP E-HELIX IV FRAGMENT; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: A FRAGMENT OF 5S RRNA IN 50S RIBOSOMAL SUBUNIT; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: 5S RRNA; COMPND 9 CHAIN: N; COMPND 10 FRAGMENT: LOOP E-HELIX IV FRAGMENT; COMPND 11 ENGINEERED: YES; COMPND 12 OTHER_DETAILS: A FRAGMENT OF 5S RRNA IN 50S RIBOSOMAL SUBUNIT; COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: RIBOSOMAL PROTEIN L25; COMPND 15 CHAIN: P; COMPND 16 ENGINEERED: YES; COMPND 17 OTHER_DETAILS: PROTEIN FROM THE LARGE RIBOSOMAL SUBUNIT SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN E.COLI; SOURCE 4 MOL_ID: 2; SOURCE 5 SYNTHETIC: YES; SOURCE 6 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN E.COLI; SOURCE 7 MOL_ID: 3; SOURCE 8 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 9 ORGANISM_TAXID: 562; SOURCE 10 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 11 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 12 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 13 EXPRESSION_SYSTEM_PLASMID: PL25 KEYWDS PROTEIN-RNA COMPLEX, RIBOSOME EXPDTA X-RAY DIFFRACTION AUTHOR M.LU,T.A.STEITZ REVDAT 4 07-FEB-24 1DFU 1 REMARK LINK REVDAT 3 24-FEB-09 1DFU 1 VERSN REVDAT 2 23-AUG-01 1DFU 1 JRNL COMPND REMARK REVDAT 1 02-DEC-99 1DFU 0 JRNL AUTH M.LU,T.A.STEITZ JRNL TITL STRUCTURE OF ESCHERICHIA COLI RIBOSOMAL PROTEIN L25 JRNL TITL 2 COMPLEXED WITH A 5S RRNA FRAGMENT AT 1.8-A RESOLUTION. JRNL REF PROC.NATL.ACAD.SCI.USA V. 97 2023 2000 JRNL REFN ISSN 0027-8424 JRNL PMID 10696113 JRNL DOI 10.1073/PNAS.97.5.2023 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : CNS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 83.9 REMARK 3 NUMBER OF REFLECTIONS : 21705 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) : 0.207 REMARK 3 FREE R VALUE : 0.225 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2164 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 : 753 REMARK 3 NUCLEIC ACID ATOMS : 819 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 242 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.200 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 1DFU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-NOV-99. REMARK 100 THE DEPOSITION ID IS D_1000010047. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-98 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X12C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24727 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.900 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 15.00 REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.83 REMARK 200 COMPLETENESS FOR SHELL (%) : 77.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : 0.31300 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: NULL REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.76 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.98 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MPD, POTASSIUM CHLORIDE, MAGNESIUM REMARK 280 CHLORIDE, CACODYLATE, PH 6.0, VAPOR DIFFUSION, SITTING DROP AT REMARK 280 292K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 47.55000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 47.55000 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 37.80000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 38.30000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 37.80000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 38.30000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 47.55000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 37.80000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 38.30000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 47.55000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 37.80000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 38.30000 REMARK 290 SMTRY3 8 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: M, N, P 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: 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 P 118 O HOH P 151 1.51 REMARK 500 O HOH N 525 O HOH N 564 1.75 REMARK 500 O HOH N 522 O HOH N 557 1.77 REMARK 500 O5' C M 97 O HOH M 567 1.80 REMARK 500 C3' C M 97 O HOH M 567 1.81 REMARK 500 O HOH P 97 O HOH P 129 1.90 REMARK 500 C5' C M 97 O HOH M 567 1.91 REMARK 500 C4' C M 97 O HOH M 567 1.97 REMARK 500 O HOH M 513 O HOH P 168 2.02 REMARK 500 O HOH M 526 O HOH N 532 2.09 REMARK 500 O VAL P 65 O HOH P 161 2.12 REMARK 500 O HOH M 543 O HOH M 553 2.13 REMARK 500 O HOH M 511 O HOH M 591 2.15 REMARK 500 OP2 C M 92 O HOH M 589 2.18 REMARK 500 N LYS P 68 O HOH P 161 2.18 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 P 66 -113.27 57.68 REMARK 500 LYS P 71 104.99 67.39 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 M 501 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 U M 95 O4 REMARK 620 2 HOH M 518 O 89.7 REMARK 620 3 HOH M 525 O 86.0 100.3 REMARK 620 4 HOH M 529 O 171.0 94.0 101.3 REMARK 620 5 HOH N 520 O 87.8 165.1 94.1 86.5 REMARK 620 6 HOH P 131 O 83.9 87.3 167.3 88.1 77.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG M 502 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G M 100 OP2 REMARK 620 2 HOH M 510 O 97.4 REMARK 620 3 HOH M 541 O 91.9 106.5 REMARK 620 4 HOH M 552 O 173.8 86.8 82.5 REMARK 620 5 HOH M 571 O 77.6 168.8 83.9 99.1 REMARK 620 6 HOH N 539 O 96.2 98.1 152.9 87.8 72.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG M 505 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G M 102 O6 REMARK 620 2 G M 102 N7 64.4 REMARK 620 3 HOH M 507 O 118.6 146.8 REMARK 620 4 HOH M 510 O 91.1 94.9 117.5 REMARK 620 5 HOH M 527 O 90.9 91.9 55.9 173.1 REMARK 620 6 HOH M 535 O 134.7 74.1 106.0 74.6 108.4 REMARK 620 7 HOH M 552 O 60.6 118.8 84.9 62.6 113.0 135.6 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG M 503 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH M 550 O REMARK 620 2 HOH M 550 O 83.6 REMARK 620 3 HOH M 569 O 92.8 168.8 REMARK 620 4 HOH M 583 O 83.7 88.0 81.1 REMARK 620 5 HOH M 584 O 159.2 78.5 102.8 85.3 REMARK 620 6 HOH M 586 O 69.3 101.6 86.9 149.9 124.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG N 504 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH M 536 O REMARK 620 2 HOH N 507 O 145.6 REMARK 620 3 HOH N 527 O 83.4 74.4 REMARK 620 4 HOH N 528 O 86.6 117.1 168.5 REMARK 620 5 HOH N 530 O 105.3 62.0 113.0 75.2 REMARK 620 6 HOH N 568 O 95.9 106.4 82.0 93.4 155.1 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 M 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG M 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG M 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG N 504 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG M 505 DBREF 1DFU P 1 94 UNP P68919 RL25_ECOLI 1 94 DBREF 1DFU M 91 109 PDB 1DFU 1DFU 91 109 DBREF 1DFU N 68 86 PDB 1DFU 1DFU 68 86 SEQRES 1 M 19 C C C A U G C G A G A G U SEQRES 2 M 19 A G G G A C SEQRES 1 N 19 U G C C G A U G G U A G U SEQRES 2 N 19 G U G G G G SEQRES 1 P 94 MET PHE THR ILE ASN ALA GLU VAL ARG LYS GLU GLN GLY SEQRES 2 P 94 LYS GLY ALA SER ARG ARG LEU ARG ALA ALA ASN LYS PHE SEQRES 3 P 94 PRO ALA ILE ILE TYR GLY GLY LYS GLU ALA PRO LEU ALA SEQRES 4 P 94 ILE GLU LEU ASP HIS ASP LYS VAL MET ASN MET GLN ALA SEQRES 5 P 94 LYS ALA GLU PHE TYR SER GLU VAL LEU THR ILE VAL VAL SEQRES 6 P 94 ASP GLY LYS GLU ILE LYS VAL LYS ALA GLN ASP VAL GLN SEQRES 7 P 94 ARG HIS PRO TYR LYS PRO LYS LEU GLN HIS ILE ASP PHE SEQRES 8 P 94 VAL ARG ALA HET MG M 501 1 HET MG M 502 1 HET MG M 503 1 HET MG M 505 1 HET MG N 504 1 HETNAM MG MAGNESIUM ION FORMUL 4 MG 5(MG 2+) FORMUL 9 HOH *242(H2 O) HELIX 1 1 GLY P 13 ALA P 23 1 11 HELIX 2 2 HIS P 44 GLN P 51 1 8 HELIX 3 3 ALA P 52 SER P 58 5 7 SHEET 1 A 3 THR P 3 ASN P 5 0 SHEET 2 A 3 THR P 62 VAL P 65 1 O THR P 62 N ILE P 4 SHEET 3 A 3 LYS P 68 GLU P 69 -1 O LYS P 68 N VAL P 65 SHEET 1 B 5 GLU P 7 VAL P 8 0 SHEET 2 B 5 LEU P 38 ASP P 43 -1 N GLU P 41 O GLU P 7 SHEET 3 B 5 LYS P 25 TYR P 31 -1 O PHE P 26 N LEU P 42 SHEET 4 B 5 LEU P 86 ARG P 93 1 O ILE P 89 N ILE P 29 SHEET 5 B 5 VAL P 72 ARG P 79 -1 O LYS P 73 N VAL P 92 LINK O4 U M 95 MG MG M 501 1555 1555 2.19 LINK OP2 G M 100 MG MG M 502 1555 1555 2.12 LINK O6 G M 102 MG MG M 505 1555 1555 2.96 LINK N7 G M 102 MG MG M 505 1555 1555 2.86 LINK MG MG M 501 O HOH M 518 1555 1555 2.01 LINK MG MG M 501 O HOH M 525 1555 1555 1.85 LINK MG MG M 501 O HOH M 529 1555 1555 2.09 LINK MG MG M 501 O HOH N 520 1555 1555 2.20 LINK MG MG M 501 O HOH P 131 1555 1555 2.63 LINK MG MG M 502 O HOH M 510 1555 1555 1.56 LINK MG MG M 502 O HOH M 541 1555 1555 2.54 LINK MG MG M 502 O HOH M 552 1555 1555 2.14 LINK MG MG M 502 O HOH M 571 1555 1555 2.11 LINK MG MG M 502 O HOH N 539 1555 1555 2.66 LINK MG MG M 503 O HOH M 550 1555 1555 1.75 LINK MG MG M 503 O HOH M 550 1555 3554 2.87 LINK MG MG M 503 O HOH M 569 1555 1555 2.32 LINK MG MG M 503 O HOH M 583 1555 1555 2.19 LINK MG MG M 503 O HOH M 584 1555 3554 2.23 LINK MG MG M 503 O HOH M 586 1555 1555 2.36 LINK MG MG M 505 O HOH M 507 1555 1555 3.09 LINK MG MG M 505 O HOH M 510 1555 1555 2.79 LINK MG MG M 505 O HOH M 527 1555 1555 2.46 LINK MG MG M 505 O HOH M 535 1555 1555 2.02 LINK MG MG M 505 O HOH M 552 1555 1555 2.00 LINK O HOH M 536 MG MG N 504 1555 1555 1.93 LINK MG MG N 504 O HOH N 507 1555 1555 1.97 LINK MG MG N 504 O HOH N 527 1555 1555 2.31 LINK MG MG N 504 O HOH N 528 1555 1555 2.34 LINK MG MG N 504 O HOH N 530 1555 1555 2.34 LINK MG MG N 504 O HOH N 568 1555 1555 1.95 SITE 1 AC1 6 U M 95 HOH M 518 HOH M 525 HOH M 529 SITE 2 AC1 6 HOH N 520 HOH P 131 SITE 1 AC2 7 G M 100 MG M 505 HOH M 510 HOH M 541 SITE 2 AC2 7 HOH M 552 HOH M 571 HOH N 539 SITE 1 AC3 5 HOH M 550 HOH M 569 HOH M 583 HOH M 584 SITE 2 AC3 5 HOH M 586 SITE 1 AC4 6 HOH M 536 HOH N 507 HOH N 527 HOH N 528 SITE 2 AC4 6 HOH N 530 HOH N 568 SITE 1 AC5 7 G M 102 MG M 502 HOH M 507 HOH M 510 SITE 2 AC5 7 HOH M 527 HOH M 535 HOH M 552 CRYST1 75.600 76.600 95.100 90.00 90.00 90.00 C 2 2 21 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 0.013257 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013063 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010515 0.00000