HEADER SIGNALING PROTEIN/RNA 27-OCT-11 3UCZ TITLE THE C-DI-GMP-I RIBOSWITCH BOUND TO GPG COMPND MOL_ID: 1; COMPND 2 MOLECULE: U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A; COMPND 3 CHAIN: P; COMPND 4 FRAGMENT: RNA BINDING DOMAIN, UNP RESIDUES 1-98; COMPND 5 SYNONYM: U1 SNRNP A, U1-A, U1A; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: RNA (92-MER); COMPND 10 CHAIN: R; COMPND 11 ENGINEERED: YES; COMPND 12 OTHER_DETAILS: C-DI-GMP-I RIBOSWITCH; COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: RNA (5'-R(*GP*G)-3'); COMPND 15 CHAIN: D; COMPND 16 ENGINEERED: YES; COMPND 17 OTHER_DETAILS: GPG SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: SNRPA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET11; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 OTHER_DETAILS: IN VITRO TRANSCRIBED RNA TRANSCRIPT; SOURCE 14 MOL_ID: 3; SOURCE 15 SYNTHETIC: YES KEYWDS RIBOSWITCH, SIGNALING PROTEIN-RNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR K.D.SMITH,S.A.STROBEL REVDAT 3 13-SEP-23 3UCZ 1 REMARK SEQADV LINK REVDAT 2 17-OCT-12 3UCZ 1 JRNL REVDAT 1 04-JAN-12 3UCZ 0 JRNL AUTH K.D.SMITH,S.V.LIPCHOCK,S.A.STROBEL JRNL TITL STRUCTURAL AND BIOCHEMICAL CHARACTERIZATION OF LINEAR JRNL TITL 2 DINUCLEOTIDE ANALOGUES BOUND TO THE C-DI-GMP-I APTAMER. JRNL REF BIOCHEMISTRY V. 51 425 2012 JRNL REFN ISSN 0006-2960 JRNL PMID 22148472 JRNL DOI 10.1021/BI2016662 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0109 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 8233 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 + TEST SET) : 0.206 REMARK 3 R VALUE (WORKING SET) : 0.202 REMARK 3 FREE R VALUE : 0.269 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 411 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.87 REMARK 3 REFLECTION IN BIN (WORKING SET) : 586 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.84 REMARK 3 BIN R VALUE (WORKING SET) : 0.4170 REMARK 3 BIN FREE R VALUE SET COUNT : 31 REMARK 3 BIN FREE R VALUE : 0.4780 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 742 REMARK 3 NUCLEIC ACID ATOMS : 2027 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 32 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.451 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.426 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.945 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.901 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3086 ; 0.005 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4655 ; 1.072 ; 2.773 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 90 ; 5.133 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 34 ;32.635 ;23.235 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 153 ;17.195 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 6 ;14.311 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1559 ; 0.002 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : P 1 P 94 REMARK 3 ORIGIN FOR THE GROUP (A): 15.3478 18.6816 0.4609 REMARK 3 T TENSOR REMARK 3 T11: 0.0820 T22: 0.3710 REMARK 3 T33: 0.2327 T12: 0.0149 REMARK 3 T13: -0.1163 T23: -0.0400 REMARK 3 L TENSOR REMARK 3 L11: 8.9517 L22: 19.8840 REMARK 3 L33: 6.8554 L12: -0.1928 REMARK 3 L13: 1.3111 L23: -4.9613 REMARK 3 S TENSOR REMARK 3 S11: -0.1608 S12: -0.0520 S13: 0.2183 REMARK 3 S21: -0.2320 S22: 0.1707 S23: -0.1361 REMARK 3 S31: -0.2382 S32: 0.3667 S33: -0.0099 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : R 8 R 98 REMARK 3 ORIGIN FOR THE GROUP (A): 12.9689 -2.4965 38.9450 REMARK 3 T TENSOR REMARK 3 T11: 0.3264 T22: 0.1777 REMARK 3 T33: 0.2580 T12: 0.0442 REMARK 3 T13: 0.0872 T23: 0.0088 REMARK 3 L TENSOR REMARK 3 L11: 3.4541 L22: 2.5252 REMARK 3 L33: 1.3287 L12: 1.1777 REMARK 3 L13: -0.7167 L23: -0.2507 REMARK 3 S TENSOR REMARK 3 S11: 0.2174 S12: -0.0989 S13: 0.0122 REMARK 3 S21: 0.1843 S22: -0.1490 S23: 0.2530 REMARK 3 S31: -0.1069 S32: -0.3318 S33: -0.0684 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3UCZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 31-OCT-11. REMARK 100 THE DEPOSITION ID IS D_1000068598. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-FEB-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8467 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.85 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 6.60 REMARK 200 R MERGE FOR SHELL (I) : 0.85000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 3MXH REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 24% PEG550MME, 50 MM MES, PH 6.0, 5 MM REMARK 280 MGSO4, 300 MM NACL, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 22.67900 REMARK 290 SMTRY3 2 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 PROTEIN IS NOT BIOLOGICALLY RELEVANT AND HAS BEEN USED REMARK 300 AS A CRYSTALLIZATION CHAPERONE 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: P, R, D 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 P 1 REMARK 465 ALA P 2 REMARK 465 VAL P 3 REMARK 465 PRO P 4 REMARK 465 GLU P 5 REMARK 465 THR P 6 REMARK 465 LYS P 98 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 R 48 O4' - C1' - N9 ANGL. DEV. = 4.8 DEGREES REMARK 500 G R 94 O4' - C1' - N9 ANGL. DEV. = 4.4 DEGREES 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 79 -23.25 76.42 REMARK 500 SER P 91 -134.39 54.33 REMARK 500 ASP P 92 -113.08 53.45 REMARK 500 ILE P 94 -85.00 -85.86 REMARK 500 LYS P 96 -69.94 68.11 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 P 99 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH P 100 O REMARK 620 2 HOH P 101 O 90.7 REMARK 620 3 HOH P 102 O 92.8 88.0 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG R 1 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH R 671 O REMARK 620 2 HOH R 672 O 179.3 REMARK 620 3 HOH R 673 O 89.2 90.2 REMARK 620 4 HOH R 674 O 91.0 89.7 179.2 REMARK 620 5 HOH R 675 O 90.4 89.5 89.3 91.5 REMARK 620 6 HOH R 676 O 89.8 90.3 90.0 89.2 179.2 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG R 670 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH R 687 O REMARK 620 2 HOH R 688 O 179.9 REMARK 620 3 HOH R 689 O 90.4 89.7 REMARK 620 4 HOH R 690 O 89.6 90.3 180.0 REMARK 620 5 HOH R 691 O 90.0 89.8 91.5 88.5 REMARK 620 6 HOH R 692 O 90.5 89.7 88.6 91.4 179.5 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 P 99 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG R 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG R 670 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3UCU RELATED DB: PDB REMARK 900 THE SAME RNA IN COMPLEX WITH A DIFFERENT LIGAND. REMARK 900 RELATED ID: 3UD3 RELATED DB: PDB REMARK 900 RELATED ID: 3UD4 RELATED DB: PDB DBREF 3UCZ P 1 98 UNP P09012 SNRPA_HUMAN 1 98 DBREF 3UCZ R 8 98 PDB 3UCZ 3UCZ 8 98 DBREF 3UCZ D 1 2 PDB 3UCZ 3UCZ 1 2 SEQADV 3UCZ HIS P 31 UNP P09012 TYR 31 ENGINEERED MUTATION SEQADV 3UCZ ARG P 36 UNP P09012 GLN 36 ENGINEERED MUTATION SEQRES 1 P 98 MET ALA VAL PRO GLU THR ARG PRO ASN HIS THR ILE TYR SEQRES 2 P 98 ILE ASN ASN LEU ASN GLU LYS ILE LYS LYS ASP GLU LEU SEQRES 3 P 98 LYS LYS SER LEU HIS ALA ILE PHE SER ARG PHE GLY GLN SEQRES 4 P 98 ILE LEU ASP ILE LEU VAL SER ARG SER LEU LYS MET ARG SEQRES 5 P 98 GLY GLN ALA PHE VAL ILE PHE LYS GLU VAL SER SER ALA SEQRES 6 P 98 THR ASN ALA LEU ARG SER MET GLN GLY PHE PRO PHE TYR SEQRES 7 P 98 ASP LYS PRO MET ARG ILE GLN TYR ALA LYS THR ASP SER SEQRES 8 P 98 ASP ILE ILE ALA LYS MET LYS SEQRES 1 R 92 GTP G U C A C G C A C A G G SEQRES 2 R 92 G C A A A C C A U U C G A SEQRES 3 R 92 A A G A G U G G G A C G C SEQRES 4 R 92 A A A G C C U C C G G C C SEQRES 5 R 92 U A A A C C A U U G C A C SEQRES 6 R 92 U C C G G U A G G U A G C SEQRES 7 R 92 G G G G U U A C C G A U G SEQRES 8 R 92 G SEQRES 1 D 2 G G MODRES 3UCZ GTP R 8 G GUANOSINE-5'-TRIPHOSPHATE HET GTP R 8 32 HET MG P 99 1 HET MG R 1 1 HET MG R 670 1 HETNAM GTP GUANOSINE-5'-TRIPHOSPHATE HETNAM MG MAGNESIUM ION FORMUL 2 GTP C10 H16 N5 O14 P3 FORMUL 4 MG 3(MG 2+) FORMUL 7 HOH *32(H2 O) HELIX 1 1 LYS P 22 SER P 35 1 14 HELIX 2 2 ARG P 36 GLY P 38 5 3 HELIX 3 3 GLU P 61 MET P 72 1 12 SHEET 1 A 4 ILE P 40 LEU P 44 0 SHEET 2 A 4 ALA P 55 PHE P 59 -1 O ILE P 58 N LEU P 41 SHEET 3 A 4 THR P 11 ASN P 15 -1 N ILE P 14 O ALA P 55 SHEET 4 A 4 ARG P 83 TYR P 86 -1 O GLN P 85 N TYR P 13 SHEET 1 B 2 PRO P 76 PHE P 77 0 SHEET 2 B 2 LYS P 80 PRO P 81 -1 O LYS P 80 N PHE P 77 LINK O3' GTP R 8 P G R 9 1555 1555 1.60 LINK MG MG P 99 O HOH P 100 1555 1555 2.18 LINK MG MG P 99 O HOH P 101 1555 1555 2.18 LINK MG MG P 99 O HOH P 102 1555 1555 2.18 LINK MG MG R 1 O HOH R 671 1555 1555 2.18 LINK MG MG R 1 O HOH R 672 1555 1555 2.18 LINK MG MG R 1 O HOH R 673 1555 1555 2.19 LINK MG MG R 1 O HOH R 674 1555 1555 2.18 LINK MG MG R 1 O HOH R 675 1555 1555 2.18 LINK MG MG R 1 O HOH R 676 1555 1555 2.18 LINK MG MG R 670 O HOH R 687 1555 1555 2.18 LINK MG MG R 670 O HOH R 688 1555 1555 2.18 LINK MG MG R 670 O HOH R 689 1555 1555 2.18 LINK MG MG R 670 O HOH R 690 1555 1555 2.18 LINK MG MG R 670 O HOH R 691 1555 1555 2.17 LINK MG MG R 670 O HOH R 692 1555 1555 2.18 SITE 1 AC1 4 HIS P 31 HOH P 100 HOH P 101 HOH P 102 SITE 1 AC2 7 G R 42 HOH R 671 HOH R 672 HOH R 673 SITE 2 AC2 7 HOH R 674 HOH R 675 HOH R 676 SITE 1 AC3 6 HOH R 687 HOH R 688 HOH R 689 HOH R 690 SITE 2 AC3 6 HOH R 691 HOH R 692 CRYST1 49.808 45.358 77.334 90.00 95.81 90.00 P 1 21 1 2 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 0.020077 0.000000 0.002042 0.00000 SCALE2 0.000000 0.022047 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012998 0.00000