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(-) Description

Title :  STRUCTURE OF A HUMAN PRP31-15.5K-U4 SNRNA COMPLEX
 
Authors :  S. Liu, R. Luehrmann, M. C. Wahl
Date :  26 Feb 07  (Deposition) - 20 Mar 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym. Unit :  A,B,C,D,E,F
Biol. Unit 1:  A,B,C  (1x)
Biol. Unit 2:  D,E,F  (1x)
Keywords :  Rna-Protein Complex, Ribonucleoprotein Particle (Rnp), Pre-Mrna Splicing, U4/U6 Di-Snrna, U4/U6 Di-Snrnp, Hierarchical Assembly, Nop Domain, Rnp-Binding Domain, Rna Binding Protein-Rna Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  S. Liu, P. Li, O. Dybkov, S. Nottrott, K. Hartmuth, R. Luhrmann, T. Carlomagno, M. C. Wahl
Binding Of The Human Prp31 Nop Domain To A Composite Rna-Protein Platform In U4 Snrnp.
Science V. 316 115 2007
PubMed-ID: 17412961  |  Reference-DOI: 10.1126/SCIENCE.1137924

(-) Compounds

Molecule 1 - RNA COMPRISING THE 5' STEM-LOOP RNA OF U4SNRNA
    ChainsC, F
    EngineeredYES
    FragmentU4 5'-SL, RESIDUES 20-52
    Other DetailsRNA WAS CHEMICALLY SYNTHESIZED ACCORDING TO GENE RNU4A (RESIDUES 20-52)
    SyntheticYES
 
Molecule 2 - U4/U6.U5 TRI-SNRNP 15.5 KDA PROTEIN
    ChainsA, D
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System PlasmidPGEX-4T-2
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    GeneNHP2L1
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    StrainHELA CELLS
    SynonymHIGH MOBILITY GROUP-LIKE NUCLEAR PROTEIN 2 HOMOLOG 1, NHP2- LIKE PROTEIN 1, OTK27, HSNU13
 
Molecule 3 - U4/U6 SMALL NUCLEAR RIBONUCLEOPROTEIN PRP31
    ChainsB, E
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPGEX-6P-1
    Expression System StrainBL21(DE3)-RIL
    Expression System Taxid562
    Expression System Vector TypePLASMID
    FragmentPRP31, RESIDUES 78-333
    GenePRPF31, PRP31
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    StrainHELA CELLS
    SynonymPRE-MRNA-PROCESSING FACTOR 31, U4/U6 SNRNP 61 KDA PROTEIN, HPRP31, PROTEIN 61K, SEROLOGICALLY DEFINED BREAST CANCER ANTIGEN NY- BR-99

 Structural Features

(-) Chains, Units

  123456
Asymmetric Unit ABCDEF
Biological Unit 1 (1x)ABC   
Biological Unit 2 (1x)   DEF

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 3)

Asymmetric Unit (1, 3)
No.NameCountTypeFull Name
1CA3Ligand/IonCALCIUM ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASN A:77 , GLU A:124 , HOH A:518 , HOH A:519BINDING SITE FOR RESIDUE CA A 503
2AC2SOFTWAREHOH B:559 , HOH B:560 , HOH B:562 , HOH B:563 , HOH B:564BINDING SITE FOR RESIDUE CA B 502
3AC3SOFTWAREHOH B:503 , ASP E:322 , HOH E:502 , HOH E:503 , HOH E:504 , HOH E:505 , HOH E:506BINDING SITE FOR RESIDUE CA E 501

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2OZB)

(-) Cis Peptide Bonds  (7, 7)

Asymmetric Unit
No.Residues
1Glu A:3 -Ala A:4
2Asp A:5 -Val A:6
3Tyr A:11 -Pro A:12
4Glu A:61 -Pro A:62
5Tyr D:11 -Pro D:12
6Glu D:61 -Pro D:62
7Gly E:176 -Gln E:177

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (3, 6)

Asymmetric Unit (3, 6)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_034155T19NNH2L1_HUMANPolymorphism1802521A/DT19N
2UniProtVAR_025630A194EPRP31_HUMANDisease (RP11)119475043B/EA194E
3UniProtVAR_025631A216PPRP31_HUMANDisease (RP11)119475042B/EA216P

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (3, 3)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_034155T19NNH2L1_HUMANPolymorphism1802521AT19N
2UniProtVAR_025630A194EPRP31_HUMANDisease (RP11)119475043BA194E
3UniProtVAR_025631A216PPRP31_HUMANDisease (RP11)119475042BA216P

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 2 (3, 3)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_034155T19NNH2L1_HUMANPolymorphism1802521DT19N
2UniProtVAR_025630A194EPRP31_HUMANDisease (RP11)119475043EA194E
3UniProtVAR_025631A216PPRP31_HUMANDisease (RP11)119475042EA216P

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (2, 4)

Asymmetric Unit (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1RIBOSOMAL_L7AEPS01082 Ribosomal protein L7Ae signature.NH2L1_HUMAN73-90
 
  2A:73-90
D:73-90
2NOPPS51358 Nop domain profile.PRP31_HUMAN215-333
 
  2B:215-333
E:215-333
Biological Unit 1 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1RIBOSOMAL_L7AEPS01082 Ribosomal protein L7Ae signature.NH2L1_HUMAN73-90
 
  1A:73-90
-
2NOPPS51358 Nop domain profile.PRP31_HUMAN215-333
 
  1B:215-333
-
Biological Unit 2 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1RIBOSOMAL_L7AEPS01082 Ribosomal protein L7Ae signature.NH2L1_HUMAN73-90
 
  1-
D:73-90
2NOPPS51358 Nop domain profile.PRP31_HUMAN215-333
 
  1-
E:215-333

(-) Exons   (9, 18)

Asymmetric Unit (9, 18)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1aENST000003210301aENSE00001357861chr19:54618837-54619177341PRP31_HUMAN-00--
1.3cENST000003210303cENSE00000856128chr19:54621651-54621835185PRP31_HUMAN1-59590--
1.4aENST000003210304aENSE00000725537chr19:54621953-5462201361PRP31_HUMAN60-80210--
1.5ENST000003210305ENSE00001122691chr19:54625239-5462532284PRP31_HUMAN80-108292B:85-108
E:85-108
24
24
1.6ENST000003210306ENSE00000725528chr19:54625876-5462597398PRP31_HUMAN108-140332B:108-140
E:108-140
33
33
1.7ENST000003210307ENSE00000725522chr19:54626833-54626939107PRP31_HUMAN141-176362B:141-176
E:141-176
36
36
1.8ENST000003210308ENSE00000954003chr19:54627128-54627297170PRP31_HUMAN176-233582B:176-233
E:176-233
58
58
1.9dENST000003210309dENSE00000954004chr19:54627878-54628035158PRP31_HUMAN233-285532B:233-285 (gaps)
E:233-285 (gaps)
53
53
1.10bENST0000032103010bENSE00000725505chr19:54629903-5462999290PRP31_HUMAN286-315302B:286-315
E:286-315
30
30
1.11cENST0000032103011cENSE00001281426chr19:54631448-54631575128PRP31_HUMAN316-358432B:316-333
E:316-333
18
18
1.11fENST0000032103011fENSE00000954006chr19:54631680-5463175273PRP31_HUMAN358-382250--
1.12bENST0000032103012bENSE00001281305chr19:54632432-54632560129PRP31_HUMAN383-425430--
1.12eENST0000032103012eENSE00001675411chr19:54632647-5463274599PRP31_HUMAN426-458330--
1.13aENST0000032103013aENSE00001629454chr19:54634738-54635140403PRP31_HUMAN459-499410--

2.2aENST000003552572aENSE00001488410chr22:42084913-42084798116NH2L1_HUMAN1-110--
2.6bENST000003552576bENSE00000656116chr22:42076368-42076248121NH2L1_HUMAN2-42412A:3-42
D:4-42
40
39
2.7eENST000003552577eENSE00001948112chr22:42071199-420699341266NH2L1_HUMAN42-128872A:42-128
D:42-128
87
87

(-) 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:126
 aligned with NH2L1_HUMAN | P55769 from UniProtKB/Swiss-Prot  Length:128

    Alignment length:126
                                    12        22        32        42        52        62        72        82        92       102       112       122      
          NH2L1_HUMAN     3 EADVNPKAYPLADAHLTKKLLDLVQQSCNYKQLRKGANEATKTLNRGISEFIVMAADAEPLEIILHLPLLCEDKNVPYVFVRSKQALGRACGVSRPVIACSVTIKEGSQLKQQIQSIQQSIERLLV 128
               SCOP domains -d2ozba1 A:4-128 Spliceosomal 15.5kd protein                                                                                   SCOP domains
               CATH domains 2ozbA00 A:3-128  [code=3.30.1330.30, no name defined]                                                                          CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ............hhhhhhhhhhhhhhhhhh..eeehhhhhhhhhhhh.eeeeeee....hhhhhhhhhhhhhhhh..eeee.hhhhhhhhh.......eeeee......hhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ----------------N------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------RIBOSOMAL_L7AE    -------------------------------------- PROSITE
           Transcript 2 (1) Exon 2.6b  PDB: A:3-42 UniProt: 2-42    -------------------------------------------------------------------------------------- Transcript 2 (1)
           Transcript 2 (2) ---------------------------------------Exon 2.7e  PDB: A:42-128 UniProt: 42-128                                                Transcript 2 (2)
                 2ozb A   3 EADVNPKAYPLADAHLTKKLLDLVQQSCNYKQLRKGANEATKTLNRGISEFIVMAADAEPLEIILHLPLLCEDKNVPYVFVRSKQALGRACGVSRPVIACSVTIKEGSQLKQQIQSIQQSIERLLV 128
                                    12        22        32        42        52        62        72        82        92       102       112       122      

Chain B from PDB  Type:PROTEIN  Length:239
 aligned with PRP31_HUMAN | Q8WWY3 from UniProtKB/Swiss-Prot  Length:499

    Alignment length:249
                                    94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324         
          PRP31_HUMAN    85 EAAPEYRVIVDANNLTVEIENELNIIHKFIRDKYSKRFPELESLVPNALDYIRTVKELGNSLDKCKNNENLQQILTNATIMVVSVTASTTQGQQLSEEELERLEEACDMALELNASKHRIYEYVESRMSFIAPNLSIIIGASTAAKIMGVAGGLTNLSKMPACNIMLLGAQRKTLSGFSSTSVLPHTGYIYHSDIVQSLPPDLRRKAARLVAAKCTLAARVDSFHESTEGKVGYELKDEIERKFDKWQE 333
               SCOP domains d2ozbb1 B:85-333 U4/U6 small nuclear ribonucleoprotein Prp31                                                                                                                                                                                              SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhh.hhhhhhhhhhhhh.hhhhh....hhhhh.hhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhh.....----------...........hhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------E---------------------P--------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------NOP  PDB: B:215-333 UniProt: 215-333                                                                                    PROSITE
           Transcript 1 (1) Exon 1.5  PDB: B:85-108 --------------------------------Exon 1.7  PDB: B:141-176            --------------------------------------------------------Exon 1.9d  PDB: B:233-285 (gaps) UniProt: 233-285    Exon 1.10b  PDB: B:286-315    Exon 1.11c         Transcript 1 (1)
           Transcript 1 (2) -----------------------Exon 1.6  PDB: B:108-140         -----------------------------------Exon 1.8  PDB: B:176-233 UniProt: 176-233                 ---------------------------------------------------------------------------------------------------- Transcript 1 (2)
                 2ozb B  85 EAAPEYRVIVDANNLTVEIENELNIIHKFIRDKYSKRFPELESLVPNALDYIRTVKELGNSLDKCKNNENLQQILTNATIMVVSVTASTTQGQQLSEEELERLEEACDMALELNASKHRIYEYVESRMSFIAPNLSIIIGASTAAKIMGVAGGLTNLSKMPACNIMLLGAQ----------SVLPHTGYIYHSDIVQSLPPDLRRKAARLVAAKCTLAARVDSFHESTEGKVGYELKDEIERKFDKWQE 333
                                    94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254|        - |     274       284       294       304       314       324         
                                                                                                                                                                                                    255        266                                                                   

Chain C from PDB  Type:RNA  Length:33
                                                                 
                 2ozb C  20 AUCGUAGCCAAUGAGGUUUAUCCGAGGCGCGAU  52
                                    29        39        49   

Chain D from PDB  Type:PROTEIN  Length:125
 aligned with NH2L1_HUMAN | P55769 from UniProtKB/Swiss-Prot  Length:128

    Alignment length:125
                                    13        23        33        43        53        63        73        83        93       103       113       123     
          NH2L1_HUMAN     4 ADVNPKAYPLADAHLTKKLLDLVQQSCNYKQLRKGANEATKTLNRGISEFIVMAADAEPLEIILHLPLLCEDKNVPYVFVRSKQALGRACGVSRPVIACSVTIKEGSQLKQQIQSIQQSIERLLV 128
               SCOP domains d2ozbd1 D:4-128 Spliceosomal 15.5kd protein                                                                                   SCOP domains
               CATH domains 2ozbD00 D:4-128  [code=3.30.1330.30, no name defined]                                                                         CATH domains
           Pfam domains (1) ----------------Ribosomal_L7Ae-2ozbD01 D:20-114                                                                -------------- Pfam domains (1)
           Pfam domains (2) ----------------Ribosomal_L7Ae-2ozbD02 D:20-114                                                                -------------- Pfam domains (2)
         Sec.struct. author ...........hhhhhhhhhhhhhhhhhh..eeehhhhhhhhhhh..eeeeeee....hhhhhhhhhhhhhhhh..eeee.hhhhhhhhh.......eeeee......hhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ---------------N------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------RIBOSOMAL_L7AE    -------------------------------------- PROSITE
           Transcript 2 (1) Exon 2.6b  PDB: D:4-42 UniProt: 2-42   -------------------------------------------------------------------------------------- Transcript 2 (1)
           Transcript 2 (2) --------------------------------------Exon 2.7e  PDB: D:42-128 UniProt: 42-128                                                Transcript 2 (2)
                 2ozb D   4 ADVNPKAYPLADAHLTKKLLDLVQQSCNYKQLRKGANEATKTLNRGISEFIVMAADAEPLEIILHLPLLCEDKNVPYVFVRSKQALGRACGVSRPVIACSVTIKEGSQLKQQIQSIQQSIERLLV 128
                                    13        23        33        43        53        63        73        83        93       103       113       123     

Chain E from PDB  Type:PROTEIN  Length:240
 aligned with PRP31_HUMAN | Q8WWY3 from UniProtKB/Swiss-Prot  Length:499

    Alignment length:249
                                    94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324         
          PRP31_HUMAN    85 EAAPEYRVIVDANNLTVEIENELNIIHKFIRDKYSKRFPELESLVPNALDYIRTVKELGNSLDKCKNNENLQQILTNATIMVVSVTASTTQGQQLSEEELERLEEACDMALELNASKHRIYEYVESRMSFIAPNLSIIIGASTAAKIMGVAGGLTNLSKMPACNIMLLGAQRKTLSGFSSTSVLPHTGYIYHSDIVQSLPPDLRRKAARLVAAKCTLAARVDSFHESTEGKVGYELKDEIERKFDKWQE 333
               SCOP domains d2ozbe_ E: U4/U6 small nuclear ribonucleoprotein Prp31                                                                                                                                                                                                    SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) -------NOSIC-2ozbE01 E:92-144                               -----------------------------------------Nop-2ozbE03 E:186-333                                                                                                                                Pfam domains (1)
           Pfam domains (2) -------NOSIC-2ozbE02 E:92-144                               -----------------------------------------Nop-2ozbE04 E:186-333                                                                                                                                Pfam domains (2)
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhh.hhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhh......---------...........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------E---------------------P--------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------NOP  PDB: E:215-333 UniProt: 215-333                                                                                    PROSITE
           Transcript 1 (1) Exon 1.5  PDB: E:85-108 --------------------------------Exon 1.7  PDB: E:141-176            --------------------------------------------------------Exon 1.9d  PDB: E:233-285 (gaps) UniProt: 233-285    Exon 1.10b  PDB: E:286-315    Exon 1.11c         Transcript 1 (1)
           Transcript 1 (2) -----------------------Exon 1.6  PDB: E:108-140         -----------------------------------Exon 1.8  PDB: E:176-233 UniProt: 176-233                 ---------------------------------------------------------------------------------------------------- Transcript 1 (2)
                 2ozb E  85 EAAPEYRVIVDANNLTVEIENELNIIHKFIRDKYSKRFPELESLVPNALDYIRTVKELGNSLDKCKNNENLQQILTNATIMVVSVTASTTQGQQLSEEELERLEEACDMALELNASKHRIYEYVESRMSFIAPNLSIIIGASTAAKIMGVAGGLTNLSKMPACNIMLLGAQR---------SVLPHTGYIYHSDIVQSLPPDLRRKAARLVAAKCTLAARVDSFHESTEGKVGYELKDEIERKFDKWQE 333
                                    94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254 |       - |     274       284       294       304       314       324         
                                                                                                                                                                                                     256       266                                                                   

Chain F from PDB  Type:RNA  Length:33
                                                                 
                 2ozb F  20 AUCGUAGCCAAUGAGGUUUAUCCGAGGCGCGAU  52
                                    29        39        49   

   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  (2, 4)

Asymmetric Unit

(-) CATH Domains  (1, 2)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (3, 6)

Asymmetric Unit
(-)
Family: Nop (5)
3aNop-2ozbE03E:186-333
3bNop-2ozbE04E:186-333

(-) Gene Ontology  (39, 52)

Asymmetric Unit(hide GO term definitions)
Chain A,D   (NH2L1_HUMAN | P55769)
molecular function
    GO:0051117    ATPase binding    Interacting selectively and non-covalently with an ATPase, any enzyme that catalyzes the hydrolysis of ATP.
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0034511    U3 snoRNA binding    Interacting selectively and non-covalently with U3 small nucleolar RNA.
    GO:0030621    U4 snRNA binding    Interacting selectively and non-covalently with the U4 small nuclear RNA (U4 snRNA).
    GO:0030622    U4atac snRNA binding    Interacting selectively and non-covalently with the U4atac small nuclear RNA (U4atac snRNA).
    GO:0034512    box C/D snoRNA binding    Interacting selectively and non-covalently with box C/D small nucleolar RNA.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0030515    snoRNA binding    Interacting selectively and non-covalently with small nucleolar RNA.
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: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:0000470    maturation of LSU-rRNA    Any process involved in the maturation of a precursor Large SubUnit (LSU) ribosomal RNA (rRNA) molecule into a mature LSU-rRNA molecule.
    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:0042254    ribosome biogenesis    A cellular process that results in the biosynthesis of constituent macromolecules, assembly, and arrangement of constituent parts of ribosome subunits; includes transport to the sites of protein synthesis.
    GO:0006412    translation    The cellular metabolic process in which a protein is formed, using the sequence of a mature mRNA or circRNA molecule to specify the sequence of amino acids in a polypeptide chain. Translation is mediated by the ribosome, and begins with the formation of a ternary complex between aminoacylated initiator methionine tRNA, GTP, and initiation factor 2, which subsequently associates with the small subunit of the ribosome and an mRNA or circRNA. Translation ends with the release of a polypeptide chain from the ribosome.
cellular component
    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:0031428    box C/D snoRNP complex    A ribonucleoprotein complex containing small nucleolar RNA of the box C/D type that can carry out ribose-2'-O-methylation of target RNAs.
    GO:0022625    cytosolic large ribosomal subunit    The large subunit of a ribosome located in the cytosol.
    GO:0001651    dense fibrillar component    A structure found in the nucleolus, which contains newly synthesized preribosomal RNA (pre-rRNA) and a collection of proteins.
    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:0005654    nucleoplasm    That part of the nuclear content other than the chromosomes or the nucleolus.
    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:0071011    precatalytic spliceosome    A spliceosomal complex that is formed by the recruitment of a preassembled U5-containing tri-snRNP to the prespliceosome. Although all 5 snRNPs are present, the precatalytic spliceosome is catalytically inactive. The precatalytic spliceosome includes many proteins in addition to those found in the associated snRNPs.
    GO:0043234    protein complex    A stable macromolecular complex composed (only) of two or more polypeptide subunits along with any covalently attached molecules (such as lipid anchors or oligosaccharide) or non-protein prosthetic groups (such as nucleotides or metal ions). Prosthetic group in this context refers to a tightly bound cofactor. The component polypeptide subunits may be identical.
    GO:0032040    small-subunit processome    A large ribonucleoprotein complex that is an early preribosomal complex. In S. cerevisiae, it has a size of 80S and consists of the 35S pre-rRNA, early-associating ribosomal proteins most of which are part of the small ribosomal subunit, the U3 snoRNA and associated proteins.
    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   (PRP31_HUMAN | Q8WWY3)
molecular function
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0030621    U4 snRNA binding    Interacting selectively and non-covalently with the U4 small nuclear RNA (U4 snRNA).
    GO:0030622    U4atac snRNA binding    Interacting selectively and non-covalently with the U4atac small nuclear RNA (U4atac snRNA).
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0043021    ribonucleoprotein complex binding    Interacting selectively and non-covalently with any complex of RNA and protein.
    GO:0070990    snRNP binding    Interacting selectively and non-covalently with any part of a small nuclear ribonucleoprotein particle.
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: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:0071166    ribonucleoprotein complex localization    Any process in which a ribonucleoprotein complex is transported to, or maintained in, a specific location within a cell.
    GO:0048254    snoRNA localization    Any process in which small nucleolar RNA is transported to, or maintained in, a specific location.
    GO:0000244    spliceosomal tri-snRNP complex assembly    The formation of a tri-snRNP complex containing U4 and U6 (or U4atac and U6atac) snRNAs and U5 snRNAs and associated proteins. This includes reannealing of U4 and U6 (or U4atac and U6atac) snRNAs released from previous rounds of splicing to reform the U4/U6 snRNP (or U4atac/U6atac snRNP) as well as the subsequent association of the U5 snRNP with the U4/U6 snRNP (or U4atac/U6atac snRNP) to form a tri-snRNP that is ready to reassemble into another spliceosome complex.
cellular component
    GO:0015030    Cajal body    A class of nuclear body, first seen after silver staining by Ramon y Cajal in 1903, enriched in small nuclear ribonucleoproteins, and certain general RNA polymerase II transcription factors; ultrastructurally, they appear as a tangle of coiled, electron-dense threads roughly 0.5 micrometers in diameter; involved in aspects of snRNP biogenesis; the protein coilin serves as a marker for Cajal bodies. Some argue that Cajal bodies are the sites for preassembly of transcriptosomes, unitary particles involved in transcription and processing of RNA.
    GO:0071339    MLL1 complex    A protein complex that can methylate lysine-4 of histone H3. MLL1/MLL is the catalytic methyltransferase subunit, and the complex also contains the core components ASH2L, HCFC1/HCF1 WDR5 and RBBP5.
    GO:0005684    U2-type spliceosomal complex    Any spliceosomal complex that forms during the splicing of a messenger RNA primary transcript to excise an intron that has canonical consensus sequences near the 5' and 3' ends.
    GO:0005687    U4 snRNP    A ribonucleoprotein complex that contains small nuclear RNA U4.
    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:0005690    U4atac snRNP    A ribonucleoprotein complex that contains small nuclear RNA U4atac.
    GO:0030529    intracellular ribonucleoprotein complex    An intracellular macromolecular complex containing both protein and RNA molecules.
    GO:0016607    nuclear speck    A discrete extra-nucleolar subnuclear domain, 20-50 in number, in which splicing factors are seen to be localized by immunofluorescence microscopy.
    GO:0005654    nucleoplasm    That part of the nuclear content other than the chromosomes or the nucleolus.
    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:0071011    precatalytic spliceosome    A spliceosomal complex that is formed by the recruitment of a preassembled U5-containing tri-snRNP to the prespliceosome. Although all 5 snRNPs are present, the precatalytic spliceosome is catalytically inactive. The precatalytic spliceosome includes many proteins in addition to those found in the associated snRNPs.
    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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        NH2L1_HUMAN | P557691e7k 2jnb 3jcr 3siu 3siv
        PRP31_HUMAN | Q8WWY33jcr 3siu 3siv

(-) Related Entries Specified in the PDB File

1e7k BINARY 15.5-RNA COMPLEX