HEADER SIGNALING PROTEIN/RNA 02-JUL-01 1JID TITLE HUMAN SRP19 IN COMPLEX WITH HELIX 6 OF HUMAN SRP RNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: HELIX 6 OF HUMAN SRP RNA; COMPND 3 CHAIN: B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: SIGNAL RECOGNITION PARTICLE 19 KDA PROTEIN; COMPND 8 CHAIN: A; COMPND 9 FRAGMENT: 24 C-TERMINAL RESIDUES TRUNCATED; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN HUMANS. THE RNA HAS SOURCE 4 BEEN IN VITRO TRANSCRIBED USING T7 RNA POLYMERASE.; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 7 ORGANISM_COMMON: HUMAN; SOURCE 8 ORGANISM_TAXID: 9606; SOURCE 9 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 11 EXPRESSION_SYSTEM_STRAIN: JM109 KEYWDS SIGNAL RECOGNITION PARTICLE (SRP), PROTEIN-RNA COMPLEX, GGAG KEYWDS 2 TETRALOOP, SIGNALING PROTEIN-RNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR K.WILD,I.SINNING,S.CUSACK REVDAT 4 16-AUG-23 1JID 1 REMARK REVDAT 3 27-OCT-21 1JID 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1JID 1 VERSN REVDAT 1 19-OCT-01 1JID 0 JRNL AUTH K.WILD,I.SINNING,S.CUSACK JRNL TITL CRYSTAL STRUCTURE OF AN EARLY PROTEIN-RNA ASSEMBLY COMPLEX JRNL TITL 2 OF THE SIGNAL RECOGNITION PARTICLE. JRNL REF SCIENCE V. 294 598 2001 JRNL REFN ISSN 0036-8075 JRNL PMID 11641499 JRNL DOI 10.1126/SCIENCE.1063839 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH K.WILD,O.WEICHENRIEDER,G.A.LEONARD,S.CUSACK REMARK 1 TITL THE 2 A STRUCTURE OF HELIX 6 OF THE HUMAN SIGNAL RECOGNITION REMARK 1 TITL 2 PARTICLE RNA REMARK 1 REF STRUCTURE V. 7 1345 1999 REMARK 1 REFN ISSN 0969-2126 REMARK 1 DOI 10.1016/S0969-2126(00)80024-6 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 49.75 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) (%) : 91.7 REMARK 3 NUMBER OF REFLECTIONS : 23740 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) : 0.186 REMARK 3 FREE R VALUE : 0.222 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 1142 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 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) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.88 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 63.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1940 REMARK 3 BIN R VALUE (WORKING SET) : 0.2600 REMARK 3 BIN FREE R VALUE : 0.2620 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 3.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 100 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.026 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 917 REMARK 3 NUCLEIC ACID ATOMS : 632 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 277 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.63 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 14.07000 REMARK 3 B22 (A**2) : -6.27000 REMARK 3 B33 (A**2) : -7.79000 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) : 0.18 REMARK 3 ESD FROM SIGMAA (A) : 0.20 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.21 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.017 REMARK 3 BOND ANGLES (DEGREES) : 3.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 3.180 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) : 1.940 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.700 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.430 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.410 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : CNS BULK SOLVENT MODEL USED REMARK 3 KSOL : 0.42 REMARK 3 BSOL : 65.42 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : DNA-RNA-ALLATOM-MOD.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : MG3.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA-ALLATOM-MOD.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : MG3.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1JID COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-JUL-01. REMARK 100 THE DEPOSITION ID IS D_1000013805. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-MAY-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID29 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.91902 REMARK 200 MONOCHROMATOR : SILICIUM 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 : 23784 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 49.750 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.5 REMARK 200 DATA REDUNDANCY : 7.800 REMARK 200 R MERGE (I) : 0.08800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.4000 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) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 61.2 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : 0.19700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD WITH MOLECULAR REMARK 200 REPLACEMENT REMARK 200 SOFTWARE USED: CNS, SHARP REMARK 200 STARTING MODEL: PDB ENTRY 1D4R REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.82 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: POTASSIUM CHLORIDE, MAGNESIUM REMARK 280 CHLORIDE, SODIUM CHLORIDE, PEG 3350, ISOPROPANOL, PH 5.6, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 291K 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 44.73050 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 44.73050 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 27.90650 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 54.89100 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 27.90650 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 54.89100 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 44.73050 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 27.90650 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 54.89100 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 44.73050 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 27.90650 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 54.89100 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 300 REMARK: THE ASYMMETRIC UNIT CONTAINS ONE BIOLOGICAL ASSEMBLY 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 APPLY THE FOLLOWING TO CHAINS: B, 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 MET A 1 REMARK 465 ALA A 2 REMARK 465 CYS A 3 REMARK 465 ALA A 4 REMARK 465 THR A 119 REMARK 465 GLN A 120 REMARK 465 LEU A 121 REMARK 465 GLU A 122 REMARK 465 HIS A 123 REMARK 465 HIS A 124 REMARK 465 HIS A 125 REMARK 465 HIS A 126 REMARK 465 HIS A 127 REMARK 465 HIS A 128 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 ARG A 118 O HOH A 213 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 A B 157 O5' A B 157 C5' -0.056 REMARK 500 REMARK 500 REMARK: NULL 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 A B 157 C5' - C4' - C3' ANGL. DEV. = -8.7 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 G B 136 0.06 SIDE CHAIN REMARK 500 A B 149 0.06 SIDE CHAIN REMARK 500 G B 154 0.05 SIDE CHAIN REMARK 500 A B 160 0.06 SIDE CHAIN 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 B 301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 5BU B 142 O4 REMARK 620 2 G B 154 O6 103.5 REMARK 620 3 G B 155 O6 76.4 83.4 REMARK 620 4 HOH B 303 O 109.7 139.9 125.6 REMARK 620 5 HOH B 304 O 159.7 79.2 84.0 77.5 REMARK 620 6 HOH B 305 O 98.2 68.2 149.2 85.0 101.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 302 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G B 152 O6 REMARK 620 2 G B 153 O6 74.4 REMARK 620 3 HOH B 306 O 141.8 67.4 REMARK 620 4 HOH B 307 O 77.0 107.4 113.3 REMARK 620 5 HOH B 308 O 99.1 88.6 81.2 161.4 REMARK 620 6 HOH B 320 O 81.3 150.3 135.0 82.9 78.6 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 B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1D4R RELATED DB: PDB REMARK 900 29-MER FRAGMENT OF HUMAN SRP RNA HELIX 6 DBREF 1JID A 1 120 UNP P09132 SR19_HUMAN 1 120 DBREF 1JID B 135 163 GB 36086 X01037 139 167 SEQADV 1JID LEU A 121 UNP P09132 EXPRESSION TAG SEQADV 1JID GLU A 122 UNP P09132 EXPRESSION TAG SEQADV 1JID HIS A 123 UNP P09132 EXPRESSION TAG SEQADV 1JID HIS A 124 UNP P09132 EXPRESSION TAG SEQADV 1JID HIS A 125 UNP P09132 EXPRESSION TAG SEQADV 1JID HIS A 126 UNP P09132 EXPRESSION TAG SEQADV 1JID HIS A 127 UNP P09132 EXPRESSION TAG SEQADV 1JID HIS A 128 UNP P09132 EXPRESSION TAG SEQADV 1JID U B 162 GB 36086 C 166 ENGINEERED MUTATION SEQADV 1JID A23 B 163 GB 36086 A 167 MODIFIED RESIDUE SEQRES 1 B 29 G G 5BU G A C C 5BU C C C G G SEQRES 2 B 29 G A G C G G G G G A C C A SEQRES 3 B 29 C U A23 SEQRES 1 A 128 MET ALA CYS ALA ALA ALA ARG SER PRO ALA ASP GLN ASP SEQRES 2 A 128 ARG PHE ILE CYS ILE TYR PRO ALA TYR LEU ASN ASN LYS SEQRES 3 A 128 LYS THR ILE ALA GLU GLY ARG ARG ILE PRO ILE SER LYS SEQRES 4 A 128 ALA VAL GLU ASN PRO THR ALA THR GLU ILE GLN ASP VAL SEQRES 5 A 128 CYS SER ALA VAL GLY LEU ASN VAL PHE LEU GLU LYS ASN SEQRES 6 A 128 LYS MET TYR SER ARG GLU TRP ASN ARG ASP VAL GLN TYR SEQRES 7 A 128 ARG GLY ARG VAL ARG VAL GLN LEU LYS GLN GLU ASP GLY SEQRES 8 A 128 SER LEU CYS LEU VAL GLN PHE PRO SER ARG LYS SER VAL SEQRES 9 A 128 MET LEU TYR ALA ALA GLU MET ILE PRO LYS LEU LYS THR SEQRES 10 A 128 ARG THR GLN LEU GLU HIS HIS HIS HIS HIS HIS MODRES 1JID 5BU B 137 U 5-BROMO-URIDINE-5'-MONOPHOSPHATE MODRES 1JID 5BU B 142 U 5-BROMO-URIDINE-5'-MONOPHOSPHATE MODRES 1JID A23 B 163 A HET 5BU B 137 21 HET 5BU B 142 21 HET A23 B 163 25 HET MG B 301 1 HET MG B 302 1 HETNAM 5BU 5-BROMO-URIDINE-5'-MONOPHOSPHATE HETNAM A23 ADENOSINE-5'-PHOSPHATE-2',3'-CYCLIC PHOSPHATE HETNAM MG MAGNESIUM ION FORMUL 1 5BU 2(C9 H12 BR N2 O9 P) FORMUL 1 A23 C10 H13 N5 O9 P2 FORMUL 3 MG 2(MG 2+) FORMUL 5 HOH *277(H2 O) HELIX 1 1 ASP A 11 PHE A 15 5 5 HELIX 2 2 TYR A 19 LEU A 23 5 5 HELIX 3 3 THR A 45 VAL A 56 1 12 HELIX 4 4 ASP A 75 ARG A 79 5 5 HELIX 5 5 SER A 100 ILE A 112 1 13 HELIX 6 6 PRO A 113 LEU A 115 5 3 SHEET 1 A 3 ILE A 16 ILE A 18 0 SHEET 2 A 3 ARG A 81 VAL A 84 -1 N VAL A 82 O ILE A 18 SHEET 3 A 3 VAL A 60 GLU A 63 -1 O PHE A 61 N ARG A 83 LINK O3' G B 136 P 5BU B 137 1555 1555 1.60 LINK O3' 5BU B 137 P G B 138 1555 1555 1.58 LINK O3' C B 141 P 5BU B 142 1555 1555 1.59 LINK O3' 5BU B 142 P C B 143 1555 1555 1.61 LINK O3' U B 162 P A23 B 163 1555 1555 1.62 LINK O4 5BU B 142 MG MG B 301 1555 1555 2.97 LINK O6 G B 152 MG MG B 302 1555 1555 2.80 LINK O6 G B 153 MG MG B 302 1555 1555 2.71 LINK O6 G B 154 MG MG B 301 1555 1555 2.94 LINK O6 G B 155 MG MG B 301 1555 1555 2.58 LINK MG MG B 301 O HOH B 303 1555 1555 2.25 LINK MG MG B 301 O HOH B 304 1555 1555 2.26 LINK MG MG B 301 O HOH B 305 1555 1555 2.24 LINK MG MG B 302 O HOH B 306 1555 1555 2.29 LINK MG MG B 302 O HOH B 307 1555 1555 2.26 LINK MG MG B 302 O HOH B 308 1555 1555 2.26 LINK MG MG B 302 O HOH B 320 1555 1555 2.98 SITE 1 AC1 7 5BU B 142 G B 154 G B 155 G B 156 SITE 2 AC1 7 HOH B 303 HOH B 304 HOH B 305 SITE 1 AC2 6 G B 152 G B 153 HOH B 306 HOH B 307 SITE 2 AC2 6 HOH B 308 HOH B 320 CRYST1 55.813 109.782 89.461 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 0.017917 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009109 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011178 0.00000