PDB Short entry for 1MFQ HEADER SIGNALING PROTEIN/RNA 13-AUG-02 1MFQ TITLE CRYSTAL STRUCTURE ANALYSIS OF A TERNARY S-DOMAIN COMPLEX OF HUMAN TITLE 2 SIGNAL RECOGNITION PARTICLE COMPND MOL_ID: 1; COMPND 2 MOLECULE: 7S RNA OF HUMAN SRP; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: S-DOMAIN; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: SIGNAL RECOGNITION PARTICLE 19KDA PROTEIN; COMPND 8 CHAIN: B; COMPND 9 SYNONYM: SRP19; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: SIGNAL RECOGNITION PARTICLE 54KDA PROTEIN; COMPND 13 CHAIN: C; COMPND 14 FRAGMENT: M-DOMAIN; COMPND 15 SYNONYM: SRP54; COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 6 EXPRESSION_SYSTEM_PLASMID: PUC18; SOURCE 7 OTHER_DETAILS: IN VITRO TRANSCRIPTION WITH T7 RNA POLYMERASE; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 GENE: SRP19; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 15 EXPRESSION_SYSTEM_STRAIN: JM109(DE3); SOURCE 16 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 17 EXPRESSION_SYSTEM_PLASMID: PET23D; SOURCE 18 MOL_ID: 3; SOURCE 19 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 20 ORGANISM_COMMON: HUMAN; SOURCE 21 ORGANISM_TAXID: 9606; SOURCE 22 GENE: SRP54; SOURCE 23 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 24 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 25 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 26 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 27 EXPRESSION_SYSTEM_PLASMID: PRK172 KEYWDS RNA-PROTEIN COMPLEX, A-MINOR MOTIF, 3-HELIX JUNCTION, SIGNALING KEYWDS 2 PROTEIN-RNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR A.KUGLSTATTER,C.OUBRIDGE,K.NAGAI REVDAT 3 14-FEB-24 1MFQ 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1MFQ 1 VERSN REVDAT 1 20-SEP-02 1MFQ 0 JRNL AUTH A.KUGLSTATTER,C.OUBRIDGE,K.NAGAI JRNL TITL INDUCED STRUCTURAL CHANGES OF 7SL RNA DURING THE ASSEMBLY OF JRNL TITL 2 HUMAN SIGNAL RECOGNITION PARTICLE JRNL REF NAT.STRUCT.BIOL. V. 9 740 2002 JRNL REFN ISSN 1072-8368 JRNL PMID 12244299 JRNL DOI 10.1038/NSB843 REMARK 2 REMARK 2 RESOLUTION. 3.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 3.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 49.63 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) (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 19309 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) : 0.229 REMARK 3 FREE R VALUE : 0.267 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 992 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.29 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2875 REMARK 3 BIN R VALUE (WORKING SET) : 0.2980 REMARK 3 BIN FREE R VALUE : 0.3830 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 162 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.030 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1726 REMARK 3 NUCLEIC ACID ATOMS : 2751 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 19 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 97.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -12.72000 REMARK 3 B22 (A**2) : -12.72000 REMARK 3 B33 (A**2) : 25.45000 REMARK 3 B12 (A**2) : 4.68000 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) : 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) : 0.43 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.45 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 16.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.260 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) : 3.680 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 6.520 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.680 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 8.280 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.26 REMARK 3 BSOL : 57.55 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_REP_AK.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA_AK.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : WATER.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1MFQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-AUG-02. REMARK 100 THE DEPOSITION ID IS D_1000016877. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-FEB-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-4 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9393 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 : 19354 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.100 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 16.60 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.11700 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 24.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.21 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 15.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.60200 REMARK 200 <I/SIGMA(I)> FOR SHELL : 6.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIRAS REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: PDB ENTRIES 1L9A (RNA), 1JID (SRP19), 1QB2 (SRP54 REMARK 200 M-DOMAIN) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 66.57 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.68 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 14% (W/V) PEG8000, 100MM NA REMARK 280 -CACODYLATE, 400MM LITHIUM SULFATE, 80MM MAGNESIUM CHLORIDE, PH REMARK 280 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 300.5K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/6 REMARK 290 6555 X-Y,X,Z+5/6 REMARK 290 7555 Y,X,-Z+2/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+1/3 REMARK 290 10555 -Y,-X,-Z+1/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+5/6 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 136.03400 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 68.01700 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 102.02550 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 34.00850 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 170.04250 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 136.03400 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 68.01700 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 34.00850 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 102.02550 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 170.04250 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: A, B, C 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 B 13 REMARK 465 MET C 313 REMARK 465 ARG C 314 REMARK 465 GLY C 315 REMARK 465 SER C 316 REMARK 465 HIS C 317 REMARK 465 HIS C 318 REMARK 465 HIS C 319 REMARK 465 HIS C 320 REMARK 465 HIS C 321 REMARK 465 HIS C 322 REMARK 465 GLY C 356 REMARK 465 THR C 357 REMARK 465 ASP C 358 REMARK 465 PHE C 359 REMARK 465 MET C 360 REMARK 465 SER C 361 REMARK 465 LYS C 362 REMARK 465 GLY C 363 REMARK 465 GLY C 439 REMARK 465 LEU C 440 REMARK 465 PHE C 441 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 PHE B 15 174.98 -56.40 REMARK 500 ALA B 40 177.25 -57.74 REMARK 500 GLU B 42 -97.62 -43.44 REMARK 500 ALA B 55 44.50 -95.68 REMARK 500 VAL B 56 -8.83 -150.18 REMARK 500 LYS B 64 -45.26 -28.46 REMARK 500 ARG B 70 37.04 -92.75 REMARK 500 ASP B 75 -177.24 -50.53 REMARK 500 LEU B 86 -74.82 -93.10 REMARK 500 GLU B 89 -35.58 -35.70 REMARK 500 VAL B 96 -37.83 -35.65 REMARK 500 PRO B 99 -82.07 -69.01 REMARK 500 PRO B 113 11.76 -64.22 REMARK 500 GLN C 326 -149.27 -127.48 REMARK 500 PHE C 327 108.10 -162.80 REMARK 500 ILE C 339 -9.71 -58.08 REMARK 500 LYS C 341 44.42 -66.20 REMARK 500 MET C 342 -91.98 -100.28 REMARK 500 PRO C 344 -78.49 -57.91 REMARK 500 PRO C 353 90.05 -52.01 REMARK 500 MET C 434 -88.08 -116.93 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 A 197 0.07 SIDE CHAIN REMARK 500 A A 201 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 A 505 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 C A 116 O3' REMARK 620 2 U A 117 OP1 49.5 REMARK 620 3 U A 117 OP2 53.2 56.8 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 502 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A A 183 OP2 REMARK 620 2 C A 185 OP1 86.3 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 501 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A A 192 OP1 REMARK 620 2 G A 193 OP2 70.1 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 504 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 505 DBREF 1MFQ B 14 120 UNP P09132 SRP19_HUMAN 14 120 DBREF 1MFQ C 323 441 UNP P61011 SRP54_HUMAN 323 441 DBREF 1MFQ A 112 239 PDB 1MFQ 1MFQ 112 239 SEQADV 1MFQ MET B 13 UNP P09132 INITIATING METHIONINE SEQADV 1MFQ MET C 313 UNP P61011 EXPRESSION TAG SEQADV 1MFQ ARG C 314 UNP P61011 EXPRESSION TAG SEQADV 1MFQ GLY C 315 UNP P61011 EXPRESSION TAG SEQADV 1MFQ SER C 316 UNP P61011 EXPRESSION TAG SEQADV 1MFQ HIS C 317 UNP P61011 EXPRESSION TAG SEQADV 1MFQ HIS C 318 UNP P61011 EXPRESSION TAG SEQADV 1MFQ HIS C 319 UNP P61011 EXPRESSION TAG SEQADV 1MFQ HIS C 320 UNP P61011 EXPRESSION TAG SEQADV 1MFQ HIS C 321 UNP P61011 EXPRESSION TAG SEQADV 1MFQ HIS C 322 UNP P61011 EXPRESSION TAG SEQRES 1 A 128 G A C A C U A A G U U C G SEQRES 2 A 128 G C A U C A A U A U G G U SEQRES 3 A 128 G A C C U C C C G G G A G SEQRES 4 A 128 C G G G G G A C C A C C A SEQRES 5 A 128 G G U U G C C U A A G G A SEQRES 6 A 128 G G G G U G A A C C G G C SEQRES 7 A 128 C C A G G U C G G A A A C SEQRES 8 A 128 G G A G C A G G U C A A A SEQRES 9 A 128 A C U C C C G U G C U G A SEQRES 10 A 128 U C A G U A G U G U CCC SEQRES 1 B 108 MET ARG PHE ILE CYS ILE TYR PRO ALA TYR LEU ASN ASN SEQRES 2 B 108 LYS LYS THR ILE ALA GLU GLY ARG ARG ILE PRO ILE SER SEQRES 3 B 108 LYS ALA VAL GLU ASN PRO THR ALA THR GLU ILE GLN ASP SEQRES 4 B 108 VAL CYS SER ALA VAL GLY LEU ASN VAL PHE LEU GLU LYS SEQRES 5 B 108 ASN LYS MET TYR SER ARG GLU TRP ASN ARG ASP VAL GLN SEQRES 6 B 108 TYR ARG GLY ARG VAL ARG VAL GLN LEU LYS GLN GLU ASP SEQRES 7 B 108 GLY SER LEU CYS LEU VAL GLN PHE PRO SER ARG LYS SER SEQRES 8 B 108 VAL MET LEU TYR ALA ALA GLU MET ILE PRO LYS LEU LYS SEQRES 9 B 108 THR ARG THR GLN SEQRES 1 C 129 MET ARG GLY SER HIS HIS HIS HIS HIS HIS LYS HIS GLY SEQRES 2 C 129 GLN PHE THR LEU ARG ASP MET TYR GLU GLN PHE GLN ASN SEQRES 3 C 129 ILE MET LYS MET GLY PRO PHE SER GLN ILE LEU GLY MET SEQRES 4 C 129 ILE PRO GLY PHE GLY THR ASP PHE MET SER LYS GLY ASN SEQRES 5 C 129 GLU GLN GLU SER MET ALA ARG LEU LYS LYS LEU MET THR SEQRES 6 C 129 ILE MET ASP SER MET ASN ASP GLN GLU LEU ASP SER THR SEQRES 7 C 129 ASP GLY ALA LYS VAL PHE SER LYS GLN PRO GLY ARG ILE SEQRES 8 C 129 GLN ARG VAL ALA ARG GLY SER GLY VAL SER THR ARG ASP SEQRES 9 C 129 VAL GLN GLU LEU LEU THR GLN TYR THR LYS PHE ALA GLN SEQRES 10 C 129 MET VAL LYS LYS MET GLY GLY ILE LYS GLY LEU PHE MODRES 1MFQ CCC A 239 C HET CCC A 239 23 HET MG A 501 1 HET MG A 502 1 HET MG A 503 1 HET MG A 504 1 HET MG A 505 1 HET CL B 602 1 HET CL C 601 1 HETNAM CCC CYTIDINE-5'-PHOSPHATE-2',3'-CYCLIC PHOSPHATE HETNAM MG MAGNESIUM ION HETNAM CL CHLORIDE ION FORMUL 1 CCC C9 H13 N3 O10 P2 FORMUL 4 MG 5(MG 2+) FORMUL 9 CL 2(CL 1-) FORMUL 11 HOH *19(H2 O) HELIX 1 1 TYR B 19 ASN B 24 5 6 HELIX 2 2 THR B 45 SER B 54 1 10 HELIX 3 3 ALA B 55 GLY B 57 5 3 HELIX 4 4 ARG B 101 ILE B 112 1 12 HELIX 5 5 LEU B 115 GLN B 120 1 6 HELIX 6 6 THR C 328 ILE C 339 1 12 HELIX 7 7 MET C 342 ILE C 348 1 7 HELIX 8 8 GLU C 365 ASP C 380 1 16 HELIX 9 9 ASN C 383 ASP C 388 1 6 HELIX 10 10 ASP C 391 GLN C 399 1 9 HELIX 11 11 PRO C 400 SER C 410 1 11 HELIX 12 12 SER C 413 MET C 434 1 22 SHEET 1 A 3 ILE B 16 ILE B 18 0 SHEET 2 A 3 ARG B 81 GLN B 85 -1 O VAL B 84 N ILE B 16 SHEET 3 A 3 ASN B 59 GLU B 63 -1 N GLU B 63 O ARG B 81 LINK O3' U A 238 P CCC A 239 1555 1555 1.61 LINK O3' C A 116 MG MG A 505 1555 1555 3.06 LINK OP1 U A 117 MG MG A 505 1555 1555 2.93 LINK OP2 U A 117 MG MG A 505 1555 1555 2.37 LINK OP2 A A 183 MG MG A 502 1555 1555 2.21 LINK OP1 A A 183 MG MG A 504 1555 1555 1.87 LINK OP1 C A 185 MG MG A 502 1555 1555 1.83 LINK OP1 A A 192 MG MG A 501 1555 1555 3.14 LINK OP2 G A 193 MG MG A 501 1555 1555 2.52 LINK OP2 A A 205 MG MG A 503 1555 1555 2.19 SITE 1 AC1 3 A A 192 G A 193 G A 194 SITE 1 AC2 2 A A 183 C A 185 SITE 1 AC3 1 A A 205 SITE 1 AC4 1 A A 183 SITE 1 AC5 2 C A 116 U A 117 CRYST1 131.180 131.180 204.051 90.00 90.00 120.00 P 65 2 2 12 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 0.007623 0.004401 0.000000 0.00000 SCALE2 0.000000 0.008802 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004901 0.00000