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(-) Description

Title :  THE CRYSTAL STRUCTURE OF FISSION YEAST MRNA DECAPPING ENZYME DCP1-DCP2 COMPLEX
 
Authors :  M. She, H. Song
Date :  11 Jul 07  (Deposition) - 15 Apr 08  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.80
Chains :  Asym. Unit :  A,B,C,D,E,F,G,H
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  E,F  (1x)
Biol. Unit 3:  C,D  (1x)
Biol. Unit 4:  G,H  (1x)
Keywords :  Protein-Protein Complex, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. She, C. J. Decker, D. I. Svergun, A. Round, N. Chen, D. Muhlrad, R. Parker, H. Song
Structural Basis Of Dcp2 Recognition And Activation By Dcp1
Mol. Cell V. 29 337 2008
PubMed-ID: 18280239  |  Reference-DOI: 10.1016/J.MOLCEL.2008.01.002

(-) Compounds

Molecule 1 - SPBC3B9.21 PROTEIN
    ChainsA, C, E, G
    EC Number3.6.1.30
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPGEX-6P-1
    Expression System StrainBL21 STAR
    Expression System Taxid562
    Expression System Vector TypePLASMID
    GeneDCP1
    Organism CommonFISSION YEAST
    Organism ScientificSCHIZOSACCHAROMYCES POMBE
    Organism Taxid4896
    SynonymDCP1 PROTEIN
 
Molecule 2 - SPAC19A8.12 PROTEIN
    ChainsB, D, F, H
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPGEX-6P-1
    Expression System StrainBL21 STAR
    Expression System Taxid562
    Expression System Vector TypePLASMID
    FragmentRESIDUES 1-266
    GeneSPAC19A8.12
    Organism CommonFISSION YEAST
    Organism ScientificSCHIZOSACCHAROMYCES POMBE
    Organism Taxid4896

 Structural Features

(-) Chains, Units

  12345678
Asymmetric Unit ABCDEFGH
Biological Unit 1 (1x)AB      
Biological Unit 2 (1x)    EF  
Biological Unit 3 (1x)  CD    
Biological Unit 4 (1x)      GH

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1ATP2Ligand/IonADENOSINE-5'-TRIPHOSPHATE
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1ATP1Ligand/IonADENOSINE-5'-TRIPHOSPHATE
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
1ATP1Ligand/IonADENOSINE-5'-TRIPHOSPHATE
Biological Unit 3 (0, 0)
No.NameCountTypeFull Name
1ATP-1Ligand/IonADENOSINE-5'-TRIPHOSPHATE
Biological Unit 4 (0, 0)
No.NameCountTypeFull Name
1ATP-1Ligand/IonADENOSINE-5'-TRIPHOSPHATE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER B:120 , SER B:121 , GLY B:122 , ARG B:167 , TYR B:220BINDING SITE FOR RESIDUE ATP B 267
2AC2SOFTWARESER F:120 , SER F:121 , GLY F:122 , LYS F:129 , ARG F:167 , GLN F:169 , TYR F:220BINDING SITE FOR RESIDUE ATP F 267

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2QKM)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2QKM)

(-) PROSITE Motifs  (2, 8)

Asymmetric Unit (2, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1NUDIXPS51462 Nudix hydrolase domain profile.DCP2_SCHPO94-227
 
 
 
  4B:94-227
D:94-227
F:94-227
H:94-227
2NUDIX_BOXPS00893 Nudix box signature.DCP2_SCHPO128-149
 
 
 
  4B:128-149
D:128-149
F:128-149
H:128-149
Biological Unit 1 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1NUDIXPS51462 Nudix hydrolase domain profile.DCP2_SCHPO94-227
 
 
 
  1B:94-227
-
-
-
2NUDIX_BOXPS00893 Nudix box signature.DCP2_SCHPO128-149
 
 
 
  1B:128-149
-
-
-
Biological Unit 2 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1NUDIXPS51462 Nudix hydrolase domain profile.DCP2_SCHPO94-227
 
 
 
  1-
-
F:94-227
-
2NUDIX_BOXPS00893 Nudix box signature.DCP2_SCHPO128-149
 
 
 
  1-
-
F:128-149
-
Biological Unit 3 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1NUDIXPS51462 Nudix hydrolase domain profile.DCP2_SCHPO94-227
 
 
 
  1-
D:94-227
-
-
2NUDIX_BOXPS00893 Nudix box signature.DCP2_SCHPO128-149
 
 
 
  1-
D:128-149
-
-
Biological Unit 4 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1NUDIXPS51462 Nudix hydrolase domain profile.DCP2_SCHPO94-227
 
 
 
  1-
-
-
H:94-227
2NUDIX_BOXPS00893 Nudix box signature.DCP2_SCHPO128-149
 
 
 
  1-
-
-
H:128-149

(-) Exons   (0, 0)

(no "Exon" information available for 2QKM)

(-) 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:123
 aligned with DCP1_SCHPO | Q9P805 from UniProtKB/Swiss-Prot  Length:127

    Alignment length:127
                                    10        20        30        40        50        60        70        80        90       100       110       120       
           DCP1_SCHPO     1 MEDENILRNAVNLQVLKFHYPEIESIIDIASHVAVYQFDVGSQKWLKTSIEGTFFLVKDQRARVGYVILNRNSPENLYLFINHPSNVHLVDRYLIHRTENQHVVGLWMFDPNDMSRIFNIVKESLLR 127
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhh..eeeeeeeeeeeeeee..----..eeeeeeeeeeeeee....eeeeeee......eeee..hhh.eeee..eeeee.....eeeeee.hhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2qkm A   1 MEDENILRNAVNLQVLKFHYPEIESIIDIASHVAVYQFD----KWLKTSIEGTFFLVKDQRARVGYVILNRNSPENLYLFINHPSNVHLVDRYLIHRTENQHVVGLWMFDPNDMSRIFNIVKESLLR 127
                                    10        20        30        |-   |    50        60        70        80        90       100       110       120       
                                                                 39   44                                                                                   

Chain B from PDB  Type:PROTEIN  Length:266
 aligned with DCP2_SCHPO | O13828 from UniProtKB/Swiss-Prot  Length:741

    Alignment length:266
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260      
           DCP2_SCHPO     1 MSFTNATFSQVLDDLSARFILNLPAEEQSSVERLCFQIEQAHWFYEDFIRAQNDQLPSLGLRVFSAKLFAHCPLLWKWSKVHEEAFDDFLRYKTRIPVRGAIMLDMSMQQCVLVKGWKASSGWGFPKGKIDKDESDVDCAIREVYEETGFDCSSRINPNEFIDMTIRGQNVRLYIIPGISLDTRFESRTRKEISKIEWHNLMDLPTFKKNKPQTMKNKFYMVIPFLAPLKKWIKKRNIANNTTKEKNISVDVDADASSQLLSLLKS 266
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhh.hhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh..eeeeeeeeee....eeeeeee..........eee.....hhhhhhhhhhhhhhh...........eeeeee..eeeeeeeeeee.............eeeeeeee.hhh.................hhhhhhhhhhhhhhhhhhhh........ee..hhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ---------------------------------------------------------------------------------------------NUDIX  PDB: B:94-227 UniProt: 94-227                                                                                                  --------------------------------------- PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------NUDIX_BOX             --------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2qkm B   1 MSFTNATFSQVLDDLSARFILNLPAEEQSSVERLCFQIEQAHWFYEDFIRAQNDQLPSLGLRVFSAKLFAHCPLLWKWSKVHEEAFDDFLRYKTRIPVRGAIMLDMSMQQCVLVKGWKASSGWGFPKGKIDKDESDVDCAIREVYEETGFDCSSRINPNEFIDMTIRGQNVRLYIIPGISLDTRFESRTRKEISKIEWHNLMDLPTFKKNKPQTMKNKFYMVIPFLAPLKKWIKKRNIANNTTKEKNISVDVDADASSQLLSLLKS 266
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260      

Chain C from PDB  Type:PROTEIN  Length:123
 aligned with DCP1_SCHPO | Q9P805 from UniProtKB/Swiss-Prot  Length:127

    Alignment length:123
                                    10        20        30        40        50        60        70        80        90       100       110       120   
           DCP1_SCHPO     1 MEDENILRNAVNLQVLKFHYPEIESIIDIASHVAVYQFDVGSQKWLKTSIEGTFFLVKDQRARVGYVILNRNSPENLYLFINHPSNVHLVDRYLIHRTENQHVVGLWMFDPNDMSRIFNIVKE 123
               SCOP domains --------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhh..eeeeeeeeeeeeeeeee....eeeeeeeeeeeeeeee....eeeeeee......eeee..hhh.eeee..eeeeee...eeeeeee.hhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------- Transcript
                 2qkm C   1 MEDENILRNAVNLQVLKFHYPEIESIIDIASHVAVYQFDVGSQKWLKTSIEGTFFLVKDQRARVGYVILNRNSPENLYLFINHPSNVHLVDRYLIHRTENQHVVGLWMFDPNDMSRIFNIVKE 123
                                    10        20        30        40        50        60        70        80        90       100       110       120   

Chain D from PDB  Type:PROTEIN  Length:202
 aligned with DCP2_SCHPO | O13828 from UniProtKB/Swiss-Prot  Length:741

    Alignment length:233
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230   
           DCP2_SCHPO     1 MSFTNATFSQVLDDLSARFILNLPAEEQSSVERLCFQIEQAHWFYEDFIRAQNDQLPSLGLRVFSAKLFAHCPLLWKWSKVHEEAFDDFLRYKTRIPVRGAIMLDMSMQQCVLVKGWKASSGWGFPKGKIDKDESDVDCAIREVYEETGFDCSSRINPNEFIDMTIRGQNVRLYIIPGISLDTRFESRTRKEISKIEWHNLMDLPTFKKNKPQTMKNKFYMVIPFLAPLKKWI 233
               SCOP domains d2qkmd1 D:1-94 mRNA decapping enzyme Dcp2p, N-terminal domain                                 d2qkmd2 D:95-233 aut        omated matches                                                                                                  SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhh..---.hhhhh.hhhhhhh........eeeeee......eee..--------.............hhhhhhhhhhhhh...............eee..eeeeeeee............-------..eee......-------------..hhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ---------------------------------------------------------------------------------------------NUDIX  PDB: D:94-227 UniProt: 94-227                                                                                                  ------ PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------NUDIX_BOX             ------------------------------------------------------------------------------------ PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2qkm D   1 MSFTNATFSQVLDDLSARFILNLPAEEQSSVERLCFQIEQAHWFYEDFIRAQNDQLPSLGLRVFSAKLFAHC---WKWSKVHEEAFDDFLRYKTRIPVRGAIMLDMSMQQCVLV--------WGFPKGKIDKDESDVDCAIREVYEETGFDCSSRINPNEFIDMTIRGQNVRLYIIPGISLDTRFESR-------IEWHNLMDLPT-------------YMVIPFLAPLKKWI 233
                                    10        20        30        40        50        60        70 |   |  80        90       100       110   |     -  |    130       140       150       160       170       180       | -     | 200     |   -       220       230   
                                                                                                  72  76                                   114      123                                                              188     196       206           220             

Chain E from PDB  Type:PROTEIN  Length:123
 aligned with DCP1_SCHPO | Q9P805 from UniProtKB/Swiss-Prot  Length:127

    Alignment length:127
                                    10        20        30        40        50        60        70        80        90       100       110       120       
           DCP1_SCHPO     1 MEDENILRNAVNLQVLKFHYPEIESIIDIASHVAVYQFDVGSQKWLKTSIEGTFFLVKDQRARVGYVILNRNSPENLYLFINHPSNVHLVDRYLIHRTENQHVVGLWMFDPNDMSRIFNIVKESLLR 127
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhh..eeeeeeeeeeeeeee..----..eeeeeeeeeeeeee....eeeeeee......eeee..hhh.eeee..eeeee.....eeeeee.hhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2qkm E   1 MEDENILRNAVNLQVLKFHYPEIESIIDIASHVAVYQFD----KWLKTSIEGTFFLVKDQRARVGYVILNRNSPENLYLFINHPSNVHLVDRYLIHRTENQHVVGLWMFDPNDMSRIFNIVKESLLR 127
                                    10        20        30        |-   |    50        60        70        80        90       100       110       120       
                                                                 39   44                                                                                   

Chain F from PDB  Type:PROTEIN  Length:262
 aligned with DCP2_SCHPO | O13828 from UniProtKB/Swiss-Prot  Length:741

    Alignment length:266
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260      
           DCP2_SCHPO     1 MSFTNATFSQVLDDLSARFILNLPAEEQSSVERLCFQIEQAHWFYEDFIRAQNDQLPSLGLRVFSAKLFAHCPLLWKWSKVHEEAFDDFLRYKTRIPVRGAIMLDMSMQQCVLVKGWKASSGWGFPKGKIDKDESDVDCAIREVYEETGFDCSSRINPNEFIDMTIRGQNVRLYIIPGISLDTRFESRTRKEISKIEWHNLMDLPTFKKNKPQTMKNKFYMVIPFLAPLKKWIKKRNIANNTTKEKNISVDVDADASSQLLSLLKS 266
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh..eeeeeeee......eeeeee...........eee.....hhhhhhhhhhhhhhh...........eeeeee..eeeeeeee..................eeeeee.hhh......----.......hhhhhhhhhhhhhhhhhhhhh.......ee..hhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ---------------------------------------------------------------------------------------------NUDIX  PDB: F:94-227 UniProt: 94-227                                                                                                  --------------------------------------- PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------NUDIX_BOX             --------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2qkm F   1 MSFTNATFSQVLDDLSARFILNLPAEEQSSVERLCFQIEQAHWFYEDFIRAQNDQLPSLGLRVFSAKLFAHCPLLWKWSKVHEEAFDDFLRYKTRIPVRGAIMLDMSMQQCVLVKGWKASSGWGFPKGKIDKDESDVDCAIREVYEETGFDCSSRINPNEFIDMTIRGQNVRLYIIPGISLDTRFESRTRKEISKIEWHNLMDLPTFKKN----MKNKFYMVIPFLAPLKKWIKKRNIANNTTKEKNISVDVDADASSQLLSLLKS 266
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210    |  220       230       240       250       260      
                                                                                                                                                                                                                                           210  215                                                   

Chain G from PDB  Type:PROTEIN  Length:127
 aligned with DCP1_SCHPO | Q9P805 from UniProtKB/Swiss-Prot  Length:127

    Alignment length:127
                                    10        20        30        40        50        60        70        80        90       100       110       120       
           DCP1_SCHPO     1 MEDENILRNAVNLQVLKFHYPEIESIIDIASHVAVYQFDVGSQKWLKTSIEGTFFLVKDQRARVGYVILNRNSPENLYLFINHPSNVHLVDRYLIHRTENQHVVGLWMFDPNDMSRIFNIVKESLLR 127
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhh....eeeeeeeeeeeeeee....eeeeeeeeeeeeeee.....eeeeeee......eeee..hhh.eeee..eeeee.....eeeeee.hhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2qkm G   1 MEDENILRNAVNLQVLKFHYPEIESIIDIASHVAVYQFDVGSQKWLKTSIEGTFFLVKDQRARVGYVILNRNSPENLYLFINHPSNVHLVDRYLIHRTENQHVVGLWMFDPNDMSRIFNIVKESLLR 127
                                    10        20        30        40        50        60        70        80        90       100       110       120       

Chain H from PDB  Type:PROTEIN  Length:190
 aligned with DCP2_SCHPO | O13828 from UniProtKB/Swiss-Prot  Length:741

    Alignment length:235
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230     
           DCP2_SCHPO     1 MSFTNATFSQVLDDLSARFILNLPAEEQSSVERLCFQIEQAHWFYEDFIRAQNDQLPSLGLRVFSAKLFAHCPLLWKWSKVHEEAFDDFLRYKTRIPVRGAIMLDMSMQQCVLVKGWKASSGWGFPKGKIDKDESDVDCAIREVYEETGFDCSSRINPNEFIDMTIRGQNVRLYIIPGISLDTRFESRTRKEISKIEWHNLMDLPTFKKNKPQTMKNKFYMVIPFLAPLKKWIKK 235
               SCOP domains d2qkmh1 H:1-94 mRNA decapping enzyme Dcp2p, N-terminal domain                                 d2qkmh2 H:95-235 aut       omated matches                                                                                                     SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......hhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhh...........hhhhhhhhhh...----......hhhhhhhhhh.....eeee........eee..-------.....eee.....hhhhhhhhhhhhhhh...........eeeeee..eeeeee.--------------------..eee......--------------.hhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ---------------------------------------------------------------------------------------------NUDIX  PDB: H:94-227 UniProt: 94-227                                                                                                  -------- PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------NUDIX_BOX             -------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2qkm H   1 MSFTNATFSQVLDDLSARFILNLPAEEQSSVERLCFQIEQAHWFYEDFIRAQNDQLPSLGLRVFSAKLFAHC----KWSKVHEEAFDDFLRYKTRIPVRGAIMLDMSMQQCVLV-------GWGFPKGKIDKDESDVDCAIREVYEETGFDCSSRINPNEFIDMTIRGQNVRLYI--------------------IEWHNLMDLPT--------------MVIPFLAPLKKWIKK 235
                                    10        20        30        40        50        60        70 |    | 80        90       100       110   |     - |     130       140       150       160       170    |    -         -     | 200     |   -         -|      230     
                                                                                                  72   77                                  114     122                                                  175                  196       206            221              

   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  (0, 0)

(no "CATH Domain" information available for 2QKM)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2QKM)

(-) Gene Ontology  (27, 39)

Asymmetric Unit(hide GO term definitions)
Chain A,C,E,G   (DCP1_SCHPO | Q9P805)
molecular function
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0008047    enzyme activator activity    Binds to and increases the activity of an enzyme.
    GO:1990521    m7G(5')pppN diphosphatase activator activity    Binds to and increases the activity of m7G(5')pppN diphosphatase.
    GO:0003729    mRNA binding    Interacting selectively and non-covalently with messenger RNA (mRNA), an intermediate molecule between DNA and protein. mRNA includes UTR and coding sequences, but does not contain introns.
    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).
biological process
    GO:0000290    deadenylation-dependent decapping of nuclear-transcribed mRNA    Cleavage of the 5'-cap of a nuclear mRNA triggered by shortening of the poly(A) tail to below a minimum functional length.
    GO:0031087    deadenylation-independent decapping of nuclear-transcribed mRNA    Cleavage of the 5'-cap of a nuclear-transcribed mRNA that is independent of poly(A) tail shortening.
    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:0034428    nuclear-transcribed mRNA catabolic process, exonucleolytic, 5'-3'    The chemical reactions and pathways resulting in the breakdown of the mRNA transcript body that occurs when the 5' end is not protected by a 5'-cap; degradation proceeds in the 5' to 3' direction.
    GO:0000184    nuclear-transcribed mRNA catabolic process, nonsense-mediated decay    The nonsense-mediated decay pathway for nuclear-transcribed mRNAs degrades mRNAs in which an amino-acid codon has changed to a nonsense codon; this prevents the translation of such mRNAs into truncated, and potentially harmful, proteins.
    GO:0043085    positive regulation of catalytic activity    Any process that activates or increases the activity of an enzyme.
cellular component
    GO:0098745    Dcp1-Dcp2 complex    A protein complex consisting of a Dcp1 regulatory subunit and a Dcp2 catalytic subunit that has mRNA cap binding activity and is involved in decapping of nuclear-transcribed mRNA.
    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:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0010494    cytoplasmic stress granule    A dense aggregation in the cytosol composed of proteins and RNAs that appear when the cell is under stress.
    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:0005845    mRNA cap binding complex    Any protein complex that binds to an mRNA cap at any time in the lifetime of the mRNA.
    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.

Chain B,D,F,H   (DCP2_SCHPO | O13828)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0000340    RNA 7-methylguanosine cap binding    Interacting selectively and non-covalently with the 7-methylguanosine group added cotranscriptionally to the 5' end of RNA molecules transcribed by polymerase II.
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0050072    m7G(5')pppN diphosphatase activity    Catalysis of the reaction: 7-methylguanosine 5'-triphospho-5'-polynucleotide + H2O = 7-methylguanosine 5'-phosphate + polynucleotide.
    GO:0000287    magnesium ion binding    Interacting selectively and non-covalently with magnesium (Mg) ions.
    GO:0030145    manganese ion binding    Interacting selectively and non-covalently with manganese (Mn) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    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:0003727    single-stranded RNA binding    Interacting selectively and non-covalently with single-stranded RNA.
biological process
    GO:0000290    deadenylation-dependent decapping of nuclear-transcribed mRNA    Cleavage of the 5'-cap of a nuclear mRNA triggered by shortening of the poly(A) tail to below a minimum functional length.
    GO:0031087    deadenylation-independent decapping of nuclear-transcribed mRNA    Cleavage of the 5'-cap of a nuclear-transcribed mRNA that is independent of poly(A) tail shortening.
    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.
cellular component
    GO:0098745    Dcp1-Dcp2 complex    A protein complex consisting of a Dcp1 regulatory subunit and a Dcp2 catalytic subunit that has mRNA cap binding activity and is involved in decapping of nuclear-transcribed mRNA.
    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:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0010494    cytoplasmic stress granule    A dense aggregation in the cytosol composed of proteins and RNAs that appear when the cell is under stress.
    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:0005845    mRNA cap binding complex    Any protein complex that binds to an mRNA cap at any time in the lifetime of the mRNA.
    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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        DCP1_SCHPO | Q9P8052qkl 5j3q 5j3t 5j3y 5jp4 5kq1 5kq4 5n2v
        DCP2_SCHPO | O138282a6t 2qkl 4a54 5j3t 5j3y 5kq1 5kq4 5n2v

(-) Related Entries Specified in the PDB File

2a6t CRYSTAL STRUCTURE OF S.POMBE MRNA DECAPPING ENZYME DCP2P
2qkl SAME PROTEIN WITH PB