HEADER RNA 13-NOV-19 6LAS TITLE THE WILDTYPE SAM-VI RIBOSWITCH BOUND TO SAM COMPND MOL_ID: 1; COMPND 2 MOLECULE: RNA (55-MER); COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A; COMPND 7 CHAIN: C, E, D; COMPND 8 SYNONYM: U1A; COMPND 9 ENGINEERED: YES; COMPND 10 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: BIFIDOBACTERIUM ANGULATUM; SOURCE 4 ORGANISM_TAXID: 1683; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 7 ORGANISM_COMMON: HUMAN; SOURCE 8 ORGANISM_TAXID: 9606; SOURCE 9 GENE: SNRPA; SOURCE 10 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 11 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS RIBOSWITCH, SAM, SAM-VI, RNA, RNA BINDING PROTEIN-RNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR A.REN,A.SUN REVDAT 1 01-JAN-20 6LAS 0 JRNL AUTH A.SUN,C.GASSER,F.LI,H.CHEN,S.MAIR,O.KRASHENININA,R.MICURA, JRNL AUTH 2 A.REN JRNL TITL SAM-VI RIBOSWITCH STRUCTURE AND SIGNATURE FOR LIGAND JRNL TITL 2 DISCRIMINATION. JRNL REF NAT COMMUN V. 10 5728 2019 JRNL REFN ESSN 2041-1723 JRNL PMID 31844059 JRNL DOI 10.1038/S41467-019-13600-9 REMARK 2 REMARK 2 RESOLUTION. 2.71 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10_2155 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.71 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.63 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 22135 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.208 REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.244 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.140 REMARK 3 FREE R VALUE TEST SET COUNT : 1137 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 39.6310 - 5.4125 0.99 2683 134 0.1984 0.2131 REMARK 3 2 5.4125 - 4.2977 1.00 2668 132 0.1699 0.2134 REMARK 3 3 4.2977 - 3.7549 1.00 2617 151 0.1843 0.2224 REMARK 3 4 3.7549 - 3.4118 1.00 2648 149 0.2053 0.2710 REMARK 3 5 3.4118 - 3.1674 0.99 2604 122 0.2248 0.2862 REMARK 3 6 3.1674 - 2.9807 0.99 2612 143 0.2241 0.2586 REMARK 3 7 2.9807 - 2.8315 1.00 2612 153 0.2868 0.2680 REMARK 3 8 2.8315 - 2.7083 0.97 2554 153 0.3336 0.3763 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.430 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.250 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 54.64 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 54.06 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.008 4894 REMARK 3 ANGLE : 1.206 7142 REMARK 3 CHIRALITY : 0.065 891 REMARK 3 PLANARITY : 0.006 491 REMARK 3 DIHEDRAL : 19.486 2704 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6LAS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 14-NOV-19. REMARK 100 THE DEPOSITION ID IS D_1300014484. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JUN-18 REMARK 200 TEMPERATURE (KELVIN) : 80 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL19U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22210 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 6.700 REMARK 200 R MERGE (I) : 0.13500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 3.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.75 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 6.80 REMARK 200 R MERGE FOR SHELL (I) : 1.03200 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: SAD REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.31 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.02 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM ACETATE TRIHYDRATE PH REMARK 280 4.6, 10% W/V POLYETHYLENE GLYCOL 4,000, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 289K 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 42.10700 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2340 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12930 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, E 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2250 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13310 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 0 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 5320 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 THR C 6 REMARK 465 ALA C 98 REMARK 465 THR D 6 REMARK 465 ILE D 94 REMARK 465 ALA D 95 REMARK 465 LYS D 96 REMARK 465 MSE D 97 REMARK 465 ALA D 98 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 C 20 CD CE NZ REMARK 470 LYS C 46 CE NZ REMARK 470 LYS C 50 CD CE NZ REMARK 470 LYS C 60 CD CE NZ REMARK 470 LYS E 20 CD CE NZ REMARK 470 LYS E 46 CD CE NZ REMARK 470 LYS E 50 CE NZ REMARK 470 LYS E 60 CD CE NZ REMARK 470 ARG E 70 CG CD NE CZ NH1 NH2 REMARK 470 LYS E 96 CG CD CE NZ REMARK 470 LYS D 20 CE NZ REMARK 470 LYS D 22 CG CD CE NZ REMARK 470 LYS D 46 CG CD CE NZ REMARK 470 ARG D 70 CG CD NE CZ NH1 NH2 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 N7 G A 48 O HOH A 201 2.13 REMARK 500 N7 G B 1 O HOH B 201 2.14 REMARK 500 OP2 G B 33 O2' SAM B 101 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O GLN C 73 NH1 ARG E 36 2747 2.08 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 A 36 N9 A A 36 C4 -0.038 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 U A 8 C2' - C3' - O3' ANGL. DEV. = 9.9 DEGREES REMARK 500 U A 8 C3' - O3' - P ANGL. DEV. = 7.8 DEGREES REMARK 500 U A 23 N3 - C4 - O4 ANGL. DEV. = -4.5 DEGREES REMARK 500 A A 36 C2 - N3 - C4 ANGL. DEV. = -3.8 DEGREES REMARK 500 A A 36 C5 - N7 - C8 ANGL. DEV. = -3.3 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 ASN C 15 -167.58 -126.18 REMARK 500 ALA E 55 144.28 -170.33 REMARK 500 LYS D 46 -162.39 -103.27 REMARK 500 PHE D 77 109.52 -161.90 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SAM A 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SAM B 101 DBREF 6LAS A 1 55 PDB 6LAS 6LAS 1 55 DBREF 6LAS B 1 55 PDB 6LAS 6LAS 1 55 DBREF 6LAS C 6 96 UNP P09012 SNRPA_HUMAN 6 96 DBREF 6LAS E 6 96 UNP P09012 SNRPA_HUMAN 6 96 DBREF 6LAS D 6 96 UNP P09012 SNRPA_HUMAN 6 96 SEQADV 6LAS HIS C 31 UNP P09012 TYR 31 ENGINEERED MUTATION SEQADV 6LAS ARG C 36 UNP P09012 GLN 36 ENGINEERED MUTATION SEQADV 6LAS LYS C 46 UNP P09012 SER 46 ENGINEERED MUTATION SEQADV 6LAS MSE C 97 UNP P09012 EXPRESSION TAG SEQADV 6LAS ALA C 98 UNP P09012 EXPRESSION TAG SEQADV 6LAS HIS E 31 UNP P09012 TYR 31 ENGINEERED MUTATION SEQADV 6LAS ARG E 36 UNP P09012 GLN 36 ENGINEERED MUTATION SEQADV 6LAS LYS E 46 UNP P09012 SER 46 ENGINEERED MUTATION SEQADV 6LAS MSE E 97 UNP P09012 EXPRESSION TAG SEQADV 6LAS ALA E 98 UNP P09012 EXPRESSION TAG SEQADV 6LAS HIS D 31 UNP P09012 TYR 31 ENGINEERED MUTATION SEQADV 6LAS ARG D 36 UNP P09012 GLN 36 ENGINEERED MUTATION SEQADV 6LAS LYS D 46 UNP P09012 SER 46 ENGINEERED MUTATION SEQADV 6LAS MSE D 97 UNP P09012 EXPRESSION TAG SEQADV 6LAS ALA D 98 UNP P09012 EXPRESSION TAG SEQRES 1 A 55 G G C A U U G U G C C U C SEQRES 2 A 55 G C A U U G C A C U C C G SEQRES 3 A 55 C G G G G C G A U A A G U SEQRES 4 A 55 C C U G A A A A G G G A U SEQRES 5 A 55 G U C SEQRES 1 B 55 G G C A U U G U G C C U C SEQRES 2 B 55 G C A U U G C A C U C C G SEQRES 3 B 55 C G G G G C G A U A A G U SEQRES 4 B 55 C C U G A A A A G G G A U SEQRES 5 B 55 G U C SEQRES 1 C 93 THR ARG PRO ASN HIS THR ILE TYR ILE ASN ASN LEU ASN SEQRES 2 C 93 GLU LYS ILE LYS LYS ASP GLU LEU LYS LYS SER LEU HIS SEQRES 3 C 93 ALA ILE PHE SER ARG PHE GLY GLN ILE LEU ASP ILE LEU SEQRES 4 C 93 VAL LYS ARG SER LEU LYS MSE ARG GLY GLN ALA PHE VAL SEQRES 5 C 93 ILE PHE LYS GLU VAL SER SER ALA THR ASN ALA LEU ARG SEQRES 6 C 93 SER MSE GLN GLY PHE PRO PHE TYR ASP LYS PRO MSE ARG SEQRES 7 C 93 ILE GLN TYR ALA LYS THR ASP SER ASP ILE ILE ALA LYS SEQRES 8 C 93 MSE ALA SEQRES 1 E 93 THR ARG PRO ASN HIS THR ILE TYR ILE ASN ASN LEU ASN SEQRES 2 E 93 GLU LYS ILE LYS LYS ASP GLU LEU LYS LYS SER LEU HIS SEQRES 3 E 93 ALA ILE PHE SER ARG PHE GLY GLN ILE LEU ASP ILE LEU SEQRES 4 E 93 VAL LYS ARG SER LEU LYS MSE ARG GLY GLN ALA PHE VAL SEQRES 5 E 93 ILE PHE LYS GLU VAL SER SER ALA THR ASN ALA LEU ARG SEQRES 6 E 93 SER MSE GLN GLY PHE PRO PHE TYR ASP LYS PRO MSE ARG SEQRES 7 E 93 ILE GLN TYR ALA LYS THR ASP SER ASP ILE ILE ALA LYS SEQRES 8 E 93 MSE ALA SEQRES 1 D 93 THR ARG PRO ASN HIS THR ILE TYR ILE ASN ASN LEU ASN SEQRES 2 D 93 GLU LYS ILE LYS LYS ASP GLU LEU LYS LYS SER LEU HIS SEQRES 3 D 93 ALA ILE PHE SER ARG PHE GLY GLN ILE LEU ASP ILE LEU SEQRES 4 D 93 VAL LYS ARG SER LEU LYS MSE ARG GLY GLN ALA PHE VAL SEQRES 5 D 93 ILE PHE LYS GLU VAL SER SER ALA THR ASN ALA LEU ARG SEQRES 6 D 93 SER MSE GLN GLY PHE PRO PHE TYR ASP LYS PRO MSE ARG SEQRES 7 D 93 ILE GLN TYR ALA LYS THR ASP SER ASP ILE ILE ALA LYS SEQRES 8 D 93 MSE ALA MODRES 6LAS MSE C 51 MET MODIFIED RESIDUE MODRES 6LAS MSE C 72 MET MODIFIED RESIDUE MODRES 6LAS MSE C 82 MET MODIFIED RESIDUE MODRES 6LAS MSE E 51 MET MODIFIED RESIDUE MODRES 6LAS MSE E 72 MET MODIFIED RESIDUE MODRES 6LAS MSE E 82 MET MODIFIED RESIDUE MODRES 6LAS MSE D 51 MET MODIFIED RESIDUE MODRES 6LAS MSE D 72 MET MODIFIED RESIDUE MODRES 6LAS MSE D 82 MET MODIFIED RESIDUE HET MSE C 51 8 HET MSE C 72 8 HET MSE C 82 8 HET MSE C 97 8 HET MSE E 51 8 HET MSE E 72 8 HET MSE E 82 8 HET MSE E 97 8 HET MSE D 51 8 HET MSE D 72 8 HET MSE D 82 8 HET SAM A 101 27 HET SAM B 101 27 HETNAM MSE SELENOMETHIONINE HETNAM SAM S-ADENOSYLMETHIONINE FORMUL 3 MSE 11(C5 H11 N O2 SE) FORMUL 6 SAM 2(C15 H22 N6 O5 S) FORMUL 8 HOH *22(H2 O) HELIX 1 AA1 LYS C 22 SER C 35 1 14 HELIX 2 AA2 ARG C 36 GLY C 38 5 3 HELIX 3 AA3 GLU C 61 GLN C 73 1 13 HELIX 4 AA4 LYS E 22 SER E 35 1 14 HELIX 5 AA5 ARG E 36 GLY E 38 5 3 HELIX 6 AA6 GLU E 61 GLN E 73 1 13 HELIX 7 AA7 SER E 91 ALA E 98 1 8 HELIX 8 AA8 LYS D 22 SER D 35 1 14 HELIX 9 AA9 ARG D 36 GLY D 38 5 3 HELIX 10 AB1 ARG D 47 GLY D 53 1 7 HELIX 11 AB2 GLU D 61 GLN D 73 1 13 SHEET 1 AA1 4 ILE C 40 VAL C 45 0 SHEET 2 AA1 4 ALA C 55 PHE C 59 -1 O ILE C 58 N ASP C 42 SHEET 3 AA1 4 THR C 11 ASN C 15 -1 N ILE C 14 O ALA C 55 SHEET 4 AA1 4 ARG C 83 TYR C 86 -1 O GLN C 85 N TYR C 13 SHEET 1 AA2 2 PRO C 76 PHE C 77 0 SHEET 2 AA2 2 LYS C 80 PRO C 81 -1 O LYS C 80 N PHE C 77 SHEET 1 AA3 4 ILE E 40 LEU E 44 0 SHEET 2 AA3 4 ALA E 55 PHE E 59 -1 O ILE E 58 N ASP E 42 SHEET 3 AA3 4 THR E 11 ASN E 15 -1 N ILE E 14 O ALA E 55 SHEET 4 AA3 4 ARG E 83 TYR E 86 -1 O GLN E 85 N TYR E 13 SHEET 1 AA4 2 PRO E 76 PHE E 77 0 SHEET 2 AA4 2 LYS E 80 PRO E 81 -1 O LYS E 80 N PHE E 77 SHEET 1 AA5 4 ILE D 40 LEU D 44 0 SHEET 2 AA5 4 ALA D 55 PHE D 59 -1 O ILE D 58 N LEU D 41 SHEET 3 AA5 4 THR D 11 ASN D 15 -1 N ILE D 14 O ALA D 55 SHEET 4 AA5 4 ARG D 83 TYR D 86 -1 O GLN D 85 N TYR D 13 SHEET 1 AA6 2 PRO D 76 PHE D 77 0 SHEET 2 AA6 2 LYS D 80 PRO D 81 -1 O LYS D 80 N PHE D 77 LINK C LYS C 50 N MSE C 51 1555 1555 1.33 LINK C MSE C 51 N ARG C 52 1555 1555 1.34 LINK C SER C 71 N MSE C 72 1555 1555 1.33 LINK C MSE C 72 N GLN C 73 1555 1555 1.33 LINK C PRO C 81 N MSE C 82 1555 1555 1.32 LINK C MSE C 82 N ARG C 83 1555 1555 1.32 LINK C LYS C 96 N MSE C 97 1555 1555 1.33 LINK C LYS E 50 N MSE E 51 1555 1555 1.32 LINK C MSE E 51 N ARG E 52 1555 1555 1.33 LINK C SER E 71 N MSE E 72 1555 1555 1.32 LINK C MSE E 72 N GLN E 73 1555 1555 1.33 LINK C PRO E 81 N MSE E 82 1555 1555 1.33 LINK C MSE E 82 N ARG E 83 1555 1555 1.33 LINK C LYS E 96 N MSE E 97 1555 1555 1.33 LINK C MSE E 97 N ALA E 98 1555 1555 1.33 LINK C LYS D 50 N MSE D 51 1555 1555 1.33 LINK C MSE D 51 N ARG D 52 1555 1555 1.33 LINK C SER D 71 N MSE D 72 1555 1555 1.33 LINK C MSE D 72 N GLN D 73 1555 1555 1.33 LINK C PRO D 81 N MSE D 82 1555 1555 1.32 LINK C MSE D 82 N ARG D 83 1555 1555 1.33 SITE 1 AC1 9 U A 6 G A 7 U A 8 G A 9 SITE 2 AC1 9 C A 32 G A 33 A A 34 A A 36 SITE 3 AC1 9 A A 37 SITE 1 AC2 7 G B 7 U B 8 G B 9 C B 32 SITE 2 AC2 7 G B 33 A B 36 A B 37 CRYST1 56.417 84.214 90.484 90.00 105.79 90.00 P 1 21 1 6 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 0.017725 0.000000 0.005011 0.00000 SCALE2 0.000000 0.011875 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011485 0.00000