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(-) Description

Title :  STRUCTURE OF THE LSM657 COMPLEX: AN ASSEMBLY INTERMEDIATE OF THE LSM1 7 AND LSM2 8 RINGS
 
Authors :  M. Mund, A. Neu, J. L. Ullmann, U. Neu, R. Sprangers
Date :  14 Jul 11  (Deposition) - 26 Oct 11  (Release) - 12 Nov 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.50
Chains :  Asym. Unit :  A,B,C,D,E,F,O,P,Q,R,S,T
Biol. Unit 1:  A,B,C,D,E,F  (1x)
Biol. Unit 2:  O,P,Q,R,S,T  (1x)
Keywords :  Sm, Rna Metabolism, Rna, Nuclear, Rna Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. Mund, A. Neu, J. Ullmann, U. Neu, R. Sprangers
Structure Of The Lsm657 Complex: An Assembly Intermediate O The Lsm1-7 And Lsm2-8 Rings.
J. Mol. Biol. V. 414 165 2011
PubMed-ID: 22001694  |  Reference-DOI: 10.1016/J.JMB.2011.09.051

(-) Compounds

Molecule 1 - U6 SNRNA-ASSOCIATED SM-LIKE PROTEIN LSM7
    ChainsC, F, O, R
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    GeneLSM7, SPCC285.12
    Organism CommonFISSION YEAST
    Organism ScientificSCHIZOSACCHAROMYCES POMBE
    Organism Taxid284812
    StrainATCC 38366 / 972
 
Molecule 2 - U6 SNRNA-ASSOCIATED SM-LIKE PROTEIN LSM5
    ChainsA, D, P, S
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    GeneLSM5, SPBC20F10.09
    Organism CommonFISSION YEAST
    Organism ScientificSCHIZOSACCHAROMYCES POMBE
    Organism Taxid284812
    StrainATCC 38366 / 972
 
Molecule 3 - U6 SNRNA-ASSOCIATED SM-LIKE PROTEIN LSM6
    ChainsB, E, Q, T
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    GeneLSM6, SPAC2F3.17C
    Organism CommonFISSION YEAST
    Organism ScientificSCHIZOSACCHAROMYCES POMBE
    Organism Taxid284812
    StrainATCC 38366 / 972

 Structural Features

(-) Chains, Units

  123456789101112
Asymmetric Unit ABCDEFOPQRST
Biological Unit 1 (1x)ABCDEF      
Biological Unit 2 (1x)      OPQRST

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 16)

Asymmetric Unit (1, 16)
No.NameCountTypeFull Name
1ZN16Ligand/IonZINC ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1ZN-1Ligand/IonZINC ION
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1ZN-1Ligand/IonZINC ION

(-) Sites  (16, 16)

Asymmetric Unit (16, 16)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREASP C:62BINDING SITE FOR RESIDUE ZN C 114
02AC2SOFTWAREGLU A:49 , GLU A:58 , HIS A:60 , TYR B:69BINDING SITE FOR RESIDUE ZN A 81
03AC3SOFTWAREGLU B:43 , ASP B:59 , HOH B:80 , HOH B:81 , HOH B:82BINDING SITE FOR RESIDUE ZN B 76
04AC4SOFTWARESER B:32 , CYS B:33 , HOH B:78BINDING SITE FOR RESIDUE ZN B 77
05AC5SOFTWAREASP F:63BINDING SITE FOR RESIDUE ZN F 114
06AC6SOFTWARECYS B:33 , ASP F:27BINDING SITE FOR RESIDUE ZN F 115
07AC7SOFTWAREGLU D:49 , GLU D:58 , HIS D:60 , ARG E:20 , TYR E:69BINDING SITE FOR RESIDUE ZN D 81
08AC8SOFTWAREGLU D:9BINDING SITE FOR RESIDUE ZN D 82
09AC9SOFTWAREASP O:62BINDING SITE FOR RESIDUE ZN O 114
10BC1SOFTWAREGLU P:49 , GLU P:58 , HIS P:60 , TYR Q:69BINDING SITE FOR RESIDUE ZN P 81
11BC2SOFTWAREASP P:12BINDING SITE FOR RESIDUE ZN P 82
12BC3SOFTWAREGLU Q:43 , ASP Q:59 , HOH Q:78 , HOH Q:79 , HOH Q:82BINDING SITE FOR RESIDUE ZN Q 76
13BC4SOFTWARESER Q:32 , CYS Q:33 , HOH Q:81 , HOH Q:85BINDING SITE FOR RESIDUE ZN Q 77
14BC5SOFTWAREASP R:63BINDING SITE FOR RESIDUE ZN R 114
15BC6SOFTWARECYS Q:33 , ASP R:27BINDING SITE FOR RESIDUE ZN R 115
16BC7SOFTWAREGLU S:49 , GLU S:58 , HIS S:60 , ARG T:20 , TYR T:69BINDING SITE FOR RESIDUE ZN S 81

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3SWN)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Lys A:78 -Pro A:79

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3SWN)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3SWN)

(-) Exons   (0, 0)

(no "Exon" information available for 3SWN)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:76
 aligned with LSM5_SCHPO | O42978 from UniProtKB/Swiss-Prot  Length:80

    Alignment length:76
                                    13        23        33        43        53        63        73      
           LSM5_SCHPO     4 TILPLELIDKCIGSNLWVIMKSEREFAGTLVGFDDYVNIVLKDVTEYDTVTGVTEKHSEMLLNGNGMCMLIPGGKP  79
               SCOP domains d3swna_ A: automated matches                                                 SCOP domains
               CATH domains ---------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh...eeeeee...eeeeeeeeee.....eeeeeeeeee.....eeeeeeeee....eeeeee.... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------- Transcript
                 3swn A   4 TILPLELIDKCIGSNLWVIMKSEREFAGTLVGFDDYVNIVLKDVTEYDTVTGVTEKHSEMLLNGNGMCMLIPGGKP  79
                                    13        23        33        43        53        63        73      

Chain B from PDB  Type:PROTEIN  Length:71
 aligned with LSM6_SCHPO | Q9UUI1 from UniProtKB/Swiss-Prot  Length:75

    Alignment length:71
                                    12        22        32        42        52        62        72 
           LSM6_SCHPO     3 SSPNEFLNKVIGKKVLIRLSSGVDYKGILSCLDGYMNLALERTEEYVNGKKTNVYGDAFIRGNNVLYVSAL  73
               SCOP domains d3swnb_ B: automated matches                                            SCOP domains
               CATH domains ----------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhh....eeeee....eeeeeeeee.....eeeeeeeeeee..eeeeee..eeee.hhh.eeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------- Transcript
                 3swn B   3 SSPNEFLNKVIGKKVLIRLSSGVDYKGILSCLDGYMNLALERTEEYVNGKKTNVYGDAFIRGNNVLYVSAL  73
                                    12        22        32        42        52        62        72 

Chain C from PDB  Type:PROTEIN  Length:68
 aligned with LSM7_SCHPO | O74499 from UniProtKB/Swiss-Prot  Length:113

    Alignment length:74
                                    35        45        55        65        75        85        95    
           LSM7_SCHPO    26 LDLSRYQDQRIQATFTGGRQITGILKGFDQLMNLVLDDVEEQLRNPEDGKLTGAIRKLGLVVVRGTTLVLIAPM  99
               SCOP domains -------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .........eeeeee....eeeeeeeee.....eeeeeeeee..------....eeeeeeeee....eeeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------- Transcript
                 3swn C  26 LDLSRYQDQRIQATFTGGRQITGILKGFDQLMNLVLDDVEEQLR------LTGAIRKLGLVVVRGTTLVLIAPM  99
                                    35        45        55        65   |     -|       85        95    
                                                                      69     76                       

Chain D from PDB  Type:PROTEIN  Length:73
 aligned with LSM5_SCHPO | O42978 from UniProtKB/Swiss-Prot  Length:80

    Alignment length:73
                                    14        24        34        44        54        64        74   
           LSM5_SCHPO     5 ILPLELIDKCIGSNLWVIMKSEREFAGTLVGFDDYVNIVLKDVTEYDTVTGVTEKHSEMLLNGNGMCMLIPGG  77
               SCOP domains d3swnd_ D: automated matches                                              SCOP domains
               CATH domains ------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhh....eeeeee...eeeeeeeeee.....eeeeeeeeee.....eeeeeeeee....eeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------- Transcript
                 3swn D   5 ILPLELIDKCIGSNLWVIMKSEREFAGTLVGFDDYVNIVLKDVTEYDTVTGVTEKHSEMLLNGNGMCMLIPGG  77
                                    14        24        34        44        54        64        74   

Chain E from PDB  Type:PROTEIN  Length:72
 aligned with LSM6_SCHPO | Q9UUI1 from UniProtKB/Swiss-Prot  Length:75

    Alignment length:72
                                    12        22        32        42        52        62        72  
           LSM6_SCHPO     3 SSPNEFLNKVIGKKVLIRLSSGVDYKGILSCLDGYMNLALERTEEYVNGKKTNVYGDAFIRGNNVLYVSALD  74
               SCOP domains d3swne_ E: automated matches                                             SCOP domains
               CATH domains ------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhhhhh....eeeee....eeeeeeeeee....eeeeeeeeeee..eeeeeeeeeeee.hhh.eeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------ Transcript
                 3swn E   3 SSPNEFLNKVIGKKVLIRLSSGVDYKGILSCLDGYMNLALERTEEYVNGKKTNVYGDAFIRGNNVLYVSALD  74
                                    12        22        32        42        52        62        72  

Chain F from PDB  Type:PROTEIN  Length:78
 aligned with LSM7_SCHPO | O74499 from UniProtKB/Swiss-Prot  Length:113

    Alignment length:78
                                    33        43        53        63        73        83        93        
           LSM7_SCHPO    24 SILDLSRYQDQRIQATFTGGRQITGILKGFDQLMNLVLDDVEEQLRNPEDGKLTGAIRKLGLVVVRGTTLVLIAPMDG 101
               SCOP domains ------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..hhhhhhh..eeeeee....eeeeeeeee.....eeeeeeeeeee......eeeeeeeeeeeee....eeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------ Transcript
                 3swn F  24 SILDLSRYQDQRIQATFTGGRQITGILKGFDQLMNLVLDDVEEQLRNPEDGKLTGAIRKLGLVVVRGTTLVLIAPMDG 101
                                    33        43        53        63        73        83        93        

Chain O from PDB  Type:PROTEIN  Length:67
 aligned with LSM7_SCHPO | O74499 from UniProtKB/Swiss-Prot  Length:113

    Alignment length:73
                                    36        46        56        66        76        86        96   
           LSM7_SCHPO    27 DLSRYQDQRIQATFTGGRQITGILKGFDQLMNLVLDDVEEQLRNPEDGKLTGAIRKLGLVVVRGTTLVLIAPM  99
               SCOP domains ------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhh...eeeeee....eeeeeeeee.....eeeeeeeee..------....eeeeeeeee....eeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------- Transcript
                 3swn O  27 DLSRYQDQRIQATFTGGRQITGILKGFDQLMNLVLDDVEEQLR------LTGAIRKLGLVVVRGTTLVLIAPM  99
                                    36        46        56        66  |     76        86        96   
                                                                     69     76                       

Chain P from PDB  Type:PROTEIN  Length:76
 aligned with LSM5_SCHPO | O42978 from UniProtKB/Swiss-Prot  Length:80

    Alignment length:76
                                    13        23        33        43        53        63        73      
           LSM5_SCHPO     4 TILPLELIDKCIGSNLWVIMKSEREFAGTLVGFDDYVNIVLKDVTEYDTVTGVTEKHSEMLLNGNGMCMLIPGGKP  79
               SCOP domains d3swnp_ P: automated matches                                                 SCOP domains
               CATH domains ---------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh...eeeeee...eeeeeeeeee.....eeeeeeeeee.....eeeeeeeee....eeeeee.... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------- Transcript
                 3swn P   4 TILPLELIDKCIGSNLWVIMKSEREFAGTLVGFDDYVNIVLKDVTEYDTVTGVTEKHSEMLLNGNGMCMLIPGGKP  79
                                    13        23        33        43        53        63        73      

Chain Q from PDB  Type:PROTEIN  Length:73
 aligned with LSM6_SCHPO | Q9UUI1 from UniProtKB/Swiss-Prot  Length:75

    Alignment length:73
                                    10        20        30        40        50        60        70   
           LSM6_SCHPO     1 MDSSPNEFLNKVIGKKVLIRLSSGVDYKGILSCLDGYMNLALERTEEYVNGKKTNVYGDAFIRGNNVLYVSAL  73
               SCOP domains d3swnq_ Q: automated matches                                              SCOP domains
               CATH domains ------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhh....eeeee....eeeeeeeee.....eeeeeeeeeee...eeeee..eeee.hhh.eeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------- Transcript
                 3swn Q   1 MDSSPNEFLNKVIGKKVLIRLSSGVDYKGILSCLDGYMNLALERTEEYVNGKKTNVYGDAFIRGNNVLYVSAL  73
                                    10        20        30        40        50        60        70   

Chain R from PDB  Type:PROTEIN  Length:76
 aligned with LSM7_SCHPO | O74499 from UniProtKB/Swiss-Prot  Length:113

    Alignment length:76
                                    33        43        53        63        73        83        93      
           LSM7_SCHPO    24 SILDLSRYQDQRIQATFTGGRQITGILKGFDQLMNLVLDDVEEQLRNPEDGKLTGAIRKLGLVVVRGTTLVLIAPM  99
               SCOP domains ---------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhh..eeeeee....eeeeeeeee.....eeeeeeeeeee......eeeeeeeeeeeee....eeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------- Transcript
                 3swn R  24 SILDLSRYQDQRIQATFTGGRQITGILKGFDQLMNLVLDDVEEQLRNPEDGKLTGAIRKLGLVVVRGTTLVLIAPM  99
                                    33        43        53        63        73        83        93      

Chain S from PDB  Type:PROTEIN  Length:72
 aligned with LSM5_SCHPO | O42978 from UniProtKB/Swiss-Prot  Length:80

    Alignment length:72
                                    15        25        35        45        55        65        75  
           LSM5_SCHPO     6 LPLELIDKCIGSNLWVIMKSEREFAGTLVGFDDYVNIVLKDVTEYDTVTGVTEKHSEMLLNGNGMCMLIPGG  77
               SCOP domains d3swns_ S: automated matches                                             SCOP domains
               CATH domains ------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhhhh....eeeeee...eeeeeeeeee.....eeeeeeeeee.....eeeeeeeee....eeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------ Transcript
                 3swn S   6 LPLELIDKCIGSNLWVIMKSEREFAGTLVGFDDYVNIVLKDVTEYDTVTGVTEKHSEMLLNGNGMCMLIPGG  77
                                    15        25        35        45        55        65        75  

Chain T from PDB  Type:PROTEIN  Length:72
 aligned with LSM6_SCHPO | Q9UUI1 from UniProtKB/Swiss-Prot  Length:75

    Alignment length:72
                                    12        22        32        42        52        62        72  
           LSM6_SCHPO     3 SSPNEFLNKVIGKKVLIRLSSGVDYKGILSCLDGYMNLALERTEEYVNGKKTNVYGDAFIRGNNVLYVSALD  74
               SCOP domains d3swnt_ T: automated matches                                             SCOP domains
               CATH domains ------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhhhhh....eeeee....eeeeeeeeee....eeeeeeeeeee..eeeeeeeeeeee.hhh.eeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------ Transcript
                 3swn T   3 SSPNEFLNKVIGKKVLIRLSSGVDYKGILSCLDGYMNLALERTEEYVNGKKTNVYGDAFIRGNNVLYVSALD  74
                                    12        22        32        42        52        62        72  

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 8)

Asymmetric Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3SWN)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3SWN)

(-) Gene Ontology  (27, 58)

Asymmetric Unit(hide GO term definitions)
Chain A,D,P,S   (LSM5_SCHPO | O42978)
molecular function
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
biological process
    GO:0008380    RNA splicing    The process of removing sections of the primary RNA transcript to remove sequences not present in the mature form of the RNA and joining the remaining sections to form the mature form of the RNA.
    GO:0006402    mRNA catabolic process    The chemical reactions and pathways resulting in the breakdown of mRNA, messenger RNA, which is responsible for carrying the coded genetic 'message', transcribed from DNA, to sites of protein assembly at the ribosomes.
    GO:0045292    mRNA cis splicing, via spliceosome    The joining together, after removal of an intervening sequence composed of one or more introns, of two segments of the same RNA molecule via spliceosomal catalysis to produce an mRNA composed only of exon sequences that all came from the same primary transcript.
    GO:0006397    mRNA processing    Any process involved in the conversion of a primary mRNA transcript into one or more mature mRNA(s) prior to translation into polypeptide.
    GO:0000398    mRNA splicing, via spliceosome    The joining together of exons from one or more primary transcripts of messenger RNA (mRNA) and the excision of intron sequences, via a spliceosomal mechanism, so that mRNA consisting only of the joined exons is produced.
    GO:0000956    nuclear-transcribed mRNA catabolic process    The chemical reactions and pathways resulting in the breakdown of nuclear-transcribed mRNAs in eukaryotic cells.
    GO:0006364    rRNA processing    Any process involved in the conversion of a primary ribosomal RNA (rRNA) transcript into one or more mature rRNA molecules.
    GO:0008033    tRNA processing    The process in which a pre-tRNA molecule is converted to a mature tRNA, ready for addition of an aminoacyl group.
cellular component
    GO:1990726    Lsm1-7-Pat1 complex    A conserved protein complex that plays an important role in coupling deadenylation and decapping in the 5'-to-3' mRNA decay pathway. An example is found in S. cerevisiae.
    GO:0046540    U4/U6 x U5 tri-snRNP complex    A ribonucleoprotein complex formed by the association of the U4/U6 and U5 small nuclear ribonucleoproteins.
    GO:0005688    U6 snRNP    A ribonucleoprotein complex that contains small nuclear RNA U6.
    GO:0030529    intracellular ribonucleoprotein complex    An intracellular macromolecular complex containing both protein and RNA molecules.
    GO:0005730    nucleolus    A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
    GO:0005732    small nucleolar ribonucleoprotein complex    A ribonucleoprotein complex that contains an RNA molecule of the small nucleolar RNA (snoRNA) family and associated proteins. Most are involved in a step of processing of rRNA: cleavage, 2'-O-methylation, or pseudouridylation. The majority, though not all, fall into one of two classes, box C/D type or box H/ACA type.
    GO:0005681    spliceosomal complex    Any of a series of ribonucleoprotein complexes that contain snRNA(s) and small nuclear ribonucleoproteins (snRNPs), and are formed sequentially during the spliceosomal splicing of one or more substrate RNAs, and which also contain the RNA substrate(s) from the initial target RNAs of splicing, the splicing intermediate RNA(s), to the final RNA products. During cis-splicing, the initial target RNA is a single, contiguous RNA transcript, whether mRNA, snoRNA, etc., and the released products are a spliced RNA and an excised intron, generally as a lariat structure. During trans-splicing, there are two initial substrate RNAs, the spliced leader RNA and a pre-mRNA.

Chain B,E,Q,T   (LSM6_SCHPO | Q9UUI1)
molecular function
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0003674    molecular_function    Elemental activities, such as catalysis or binding, describing the actions of a gene product at the molecular level. A given gene product may exhibit one or more molecular functions.
biological process
    GO:0008380    RNA splicing    The process of removing sections of the primary RNA transcript to remove sequences not present in the mature form of the RNA and joining the remaining sections to form the mature form of the RNA.
    GO:0045292    mRNA cis splicing, via spliceosome    The joining together, after removal of an intervening sequence composed of one or more introns, of two segments of the same RNA molecule via spliceosomal catalysis to produce an mRNA composed only of exon sequences that all came from the same primary transcript.
    GO:0006397    mRNA processing    Any process involved in the conversion of a primary mRNA transcript into one or more mature mRNA(s) prior to translation into polypeptide.
    GO:0000398    mRNA splicing, via spliceosome    The joining together of exons from one or more primary transcripts of messenger RNA (mRNA) and the excision of intron sequences, via a spliceosomal mechanism, so that mRNA consisting only of the joined exons is produced.
    GO:0030490    maturation of SSU-rRNA    Any process involved in the maturation of a precursor Small SubUnit (SSU) ribosomal RNA (rRNA) molecule into a mature SSU-rRNA molecule.
    GO:0006364    rRNA processing    Any process involved in the conversion of a primary ribosomal RNA (rRNA) transcript into one or more mature rRNA molecules.
    GO:0008033    tRNA processing    The process in which a pre-tRNA molecule is converted to a mature tRNA, ready for addition of an aminoacyl group.
cellular component
    GO:0000932    P-body    A focus in the cytoplasm where mRNAs may become inactivated by decapping or some other mechanism. Protein and RNA localized to these foci are involved in mRNA degradation, nonsense-mediated mRNA decay (NMD), translational repression, and RNA-mediated gene silencing.
    GO:0046540    U4/U6 x U5 tri-snRNP complex    A ribonucleoprotein complex formed by the association of the U4/U6 and U5 small nuclear ribonucleoproteins.
    GO:0005688    U6 snRNP    A ribonucleoprotein complex that contains small nuclear RNA U6.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0030529    intracellular ribonucleoprotein complex    An intracellular macromolecular complex containing both protein and RNA molecules.
    GO:0005730    nucleolus    A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
    GO:0005732    small nucleolar ribonucleoprotein complex    A ribonucleoprotein complex that contains an RNA molecule of the small nucleolar RNA (snoRNA) family and associated proteins. Most are involved in a step of processing of rRNA: cleavage, 2'-O-methylation, or pseudouridylation. The majority, though not all, fall into one of two classes, box C/D type or box H/ACA type.
    GO:0005681    spliceosomal complex    Any of a series of ribonucleoprotein complexes that contain snRNA(s) and small nuclear ribonucleoproteins (snRNPs), and are formed sequentially during the spliceosomal splicing of one or more substrate RNAs, and which also contain the RNA substrate(s) from the initial target RNAs of splicing, the splicing intermediate RNA(s), to the final RNA products. During cis-splicing, the initial target RNA is a single, contiguous RNA transcript, whether mRNA, snoRNA, etc., and the released products are a spliced RNA and an excised intron, generally as a lariat structure. During trans-splicing, there are two initial substrate RNAs, the spliced leader RNA and a pre-mRNA.

Chain C,F,O,R   (LSM7_SCHPO | O74499)
molecular function
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
biological process
    GO:0006396    RNA processing    Any process involved in the conversion of one or more primary RNA transcripts into one or more mature RNA molecules.
    GO:0008380    RNA splicing    The process of removing sections of the primary RNA transcript to remove sequences not present in the mature form of the RNA and joining the remaining sections to form the mature form of the RNA.
    GO:0006402    mRNA catabolic process    The chemical reactions and pathways resulting in the breakdown of mRNA, messenger RNA, which is responsible for carrying the coded genetic 'message', transcribed from DNA, to sites of protein assembly at the ribosomes.
    GO:0045292    mRNA cis splicing, via spliceosome    The joining together, after removal of an intervening sequence composed of one or more introns, of two segments of the same RNA molecule via spliceosomal catalysis to produce an mRNA composed only of exon sequences that all came from the same primary transcript.
    GO:0006397    mRNA processing    Any process involved in the conversion of a primary mRNA transcript into one or more mature mRNA(s) prior to translation into polypeptide.
    GO:0000398    mRNA splicing, via spliceosome    The joining together of exons from one or more primary transcripts of messenger RNA (mRNA) and the excision of intron sequences, via a spliceosomal mechanism, so that mRNA consisting only of the joined exons is produced.
    GO:0030490    maturation of SSU-rRNA    Any process involved in the maturation of a precursor Small SubUnit (SSU) ribosomal RNA (rRNA) molecule into a mature SSU-rRNA molecule.
    GO:0006364    rRNA processing    Any process involved in the conversion of a primary ribosomal RNA (rRNA) transcript into one or more mature rRNA molecules.
    GO:0008033    tRNA processing    The process in which a pre-tRNA molecule is converted to a mature tRNA, ready for addition of an aminoacyl group.
cellular component
    GO:1990726    Lsm1-7-Pat1 complex    A conserved protein complex that plays an important role in coupling deadenylation and decapping in the 5'-to-3' mRNA decay pathway. An example is found in S. cerevisiae.
    GO:0005689    U12-type spliceosomal complex    Any spliceosomal complex that forms during the splicing of a messenger RNA primary transcript to excise an intron; the series of U12-type spliceosomal complexes is involved in the splicing of the majority of introns that contain atypical AT-AC terminal dinucleotides, as well as other non-canonical introns. The entire splice site signal, not just the terminal dinucleotides, is involved in determining which spliceosome utilizes the site.
    GO:0071004    U2-type prespliceosome    A spliceosomal complex that is formed by association of the 5' splice site with the U1 snRNP, while the branch point sequence is recognized by the U2 snRNP. The prespliceosome includes many proteins in addition to those found in the U1 and U2 snRNPs. Commitment to a given pair of 5' and 3' splice sites occurs at the time of prespliceosome formation.
    GO:0046540    U4/U6 x U5 tri-snRNP complex    A ribonucleoprotein complex formed by the association of the U4/U6 and U5 small nuclear ribonucleoproteins.
    GO:0005688    U6 snRNP    A ribonucleoprotein complex that contains small nuclear RNA U6.
    GO:0071013    catalytic step 2 spliceosome    A spliceosomal complex that contains three snRNPs, including U5, bound to a splicing intermediate in which the first catalytic cleavage of the 5' splice site has occurred. The precise subunit composition differs significantly from that of the catalytic step 1, or activated, spliceosome, and includes many proteins in addition to those found in the associated snRNPs.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0030529    intracellular ribonucleoprotein complex    An intracellular macromolecular complex containing both protein and RNA molecules.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
    GO:0005732    small nucleolar ribonucleoprotein complex    A ribonucleoprotein complex that contains an RNA molecule of the small nucleolar RNA (snoRNA) family and associated proteins. Most are involved in a step of processing of rRNA: cleavage, 2'-O-methylation, or pseudouridylation. The majority, though not all, fall into one of two classes, box C/D type or box H/ACA type.
    GO:0005681    spliceosomal complex    Any of a series of ribonucleoprotein complexes that contain snRNA(s) and small nuclear ribonucleoproteins (snRNPs), and are formed sequentially during the spliceosomal splicing of one or more substrate RNAs, and which also contain the RNA substrate(s) from the initial target RNAs of splicing, the splicing intermediate RNA(s), to the final RNA products. During cis-splicing, the initial target RNA is a single, contiguous RNA transcript, whether mRNA, snoRNA, etc., and the released products are a spliced RNA and an excised intron, generally as a lariat structure. During trans-splicing, there are two initial substrate RNAs, the spliced leader RNA and a pre-mRNA.
    GO:0097526    spliceosomal tri-snRNP complex    A spliceosomal snRNP complex containing U4 and U6 (or U4atac and U6atac) snRNAs and U5 snRNAs and associated proteins.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        LSM5_SCHPO | O429784emk
        LSM6_SCHPO | Q9UUI14emk
        LSM7_SCHPO | O744994emk

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 3SWN)