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(-) Description

Title :  SOLUTION STRUCTURE OF THE SLA1 SH3-3-UBIQUITIN COMPLEX
 
Authors :  Y. He, I. Radhakrishnan
Date :  18 Jul 07  (Deposition) - 25 Sep 07  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B  (20x)
Keywords :  Endocytosis, Monoubiquitin Signaling, Ubiquitin-Binding Motif, Sh3, Ubiquitin, Actin-Binding, Cytoplasm, Cytoskeleton, Phosphorylation, Sh3 Domain, Dna Damage, Dna Repair, Nucleus, Ubl Conjugation, Signaling Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  Y. He, L. Hicke, I. Radhakrishnan
Structural Basis For Ubiquitin Recognition By Sh3 Domains
J. Mol. Biol. V. 373 190 2007
PubMed-ID: 17765920  |  Reference-DOI: 10.1016/J.JMB.2007.07.074
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CYTOSKELETON ASSEMBLY CONTROL PROTEIN SLA1
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    Expression System VectorPET30
    Expression System Vector TypeVECTOR
    GeneSLA1
    Organism CommonBAKER'S YEAST
    Organism ScientificSACCHAROMYCES CEREVISIAE
    Organism Taxid4932
 
Molecule 2 - UBIQUITIN
    ChainsB
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    Expression System VectorPET3A
    Expression System Vector TypeVECTOR
    FragmentSH3 DOMAIN SEQUENCE DATABASE RESIDUES 350-420
    GeneUBI1, RPL40A
    Organism CommonBAKER'S YEAST
    Organism ScientificSACCHAROMYCES CEREVISIAE
    Organism Taxid4932

 Structural Features

(-) Chains, Units

  
NMR Structure (20x)

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 2JT4)

(-) Sites  (0, 0)

(no "Site" information available for 2JT4)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2JT4)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2JT4)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2JT4)

(-) PROSITE Motifs  (3, 3)

NMR Structure (3, 3)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1UBIQUITIN_2PS50053 Ubiquitin domain profile.RL40A_YEAST1-76  1B:1-76
RL40B_YEAST1-76  1B:1-76
RS31_YEAST1-76  1B:1-76
UBI4P_YEAST1-76
77-152
153-228
229-304
305-380
  1-
-
-
-
B:1-76
2SH3PS50002 Src homology 3 (SH3) domain profile.SLA1_YEAST8-70
69-132
353-415
  1-
-
A:4-66
3UBIQUITIN_1PS00299 Ubiquitin domain signature.RL40A_YEAST27-52  1B:27-52
RL40B_YEAST27-52  1B:27-52
RS31_YEAST27-52  1B:27-52
UBI4P_YEAST27-52
103-128
179-204
255-280
331-356
  1-
-
-
-
B:27-52

(-) Exons   (2, 2)

NMR Structure (2, 2)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1YBL007C1YBL007C.1II:216369-2126353735SLA1_YEAST1-124412441A:1-7171

2.1YLL039C1YLL039C.1XII:65206-640611146UBI4P_YEAST1-3813811B:1-7676

(-) Sequences/Alignments

NMR Structure
   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:71
 aligned with SLA1_YEAST | P32790 from UniProtKB/Swiss-Prot  Length:1244

    Alignment length:71
                                   359       369       379       389       399       409       419 
           SLA1_YEAST   350 MASKSKKRGIVQYDFMAESQDELTIKSGDKVYILDDKKSKDWWMCQLVDSGKSGLVPAQFIEPVRDKKHTE 420
               SCOP domains d2jt4a_ A: automated matches                                            SCOP domains
               CATH domains 2jt4A00 A:1-71 SH3 Domains                                              CATH domains
               Pfam domains ---------SH3_1-2jt4A01 A:10-58                            ------------- Pfam domains
         Sec.struct. author ......eeeee..................eeeeee......eeeeee.....eeeee...eee........ Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ---SH3  PDB: A:4-66 UniProt: 353-415                              ----- PROSITE (2)
                PROSITE (3) ----------------------------------------------------------------------- PROSITE (3)
                PROSITE (4) ----------------------------------------------------------------------- PROSITE (4)
                PROSITE (5) ----------------------------------------------------------------------- PROSITE (5)
                PROSITE (6) ----------------------------------------------------------------------- PROSITE (6)
               Transcript 1 Exon 1.1  PDB: A:1-71 UniProt: 1-1244 [INCOMPLETE]                      Transcript 1
                 2jt4 A   1 MASKSKKRGIVQYDFMAESQDELTIKSGDKVYILDDKKSKDWWMCQLVDSGKSGLVPAQFIEPVRDKKHTE  71
                                    10        20        30        40        50        60        70 

Chain B from PDB  Type:PROTEIN  Length:76
 aligned with RL40A_YEAST | P0CH08 from UniProtKB/Swiss-Prot  Length:128

    Alignment length:76
                                    10        20        30        40        50        60        70      
          RL40A_YEAST     1 MQIFVKTLTGKTITLEVESSDTIDNVKSKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG  76
               SCOP domains d2jt4b_ B: Ubiquitin                                                         SCOP domains
               CATH domains 2jt4B00 B:1-76                                                               CATH domains
               Pfam domains ---------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee....eeeee......hhhhhhhhhhh.......eeeee..eee...............eeeeee..... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ---------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) UBIQUITIN_2  PDB: B:1-76 UniProt: 1-76                                       PROSITE (3)
                PROSITE (4) ---------------------------------------------------------------------------- PROSITE (4)
                PROSITE (5) ---------------------------------------------------------------------------- PROSITE (5)
                PROSITE (6) ---------------------------------------------------------------------------- PROSITE (6)
                PROSITE (7) --------------------------UBIQUITIN_1  PDB: B:27-52 ------------------------ PROSITE (7)
                 Transcript ---------------------------------------------------------------------------- Transcript
                 2jt4 B   1 MQIFVKTLTGKTITLEVESSDTIDNVKSKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG  76
                                    10        20        30        40        50        60        70      

Chain B from PDB  Type:PROTEIN  Length:76
 aligned with RL40B_YEAST | P0CH09 from UniProtKB/Swiss-Prot  Length:128

    Alignment length:76
                                    10        20        30        40        50        60        70      
          RL40B_YEAST     1 MQIFVKTLTGKTITLEVESSDTIDNVKSKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG  76
               SCOP domains d2jt4b_ B: Ubiquitin                                                         SCOP domains
               CATH domains 2jt4B00 B:1-76                                                               CATH domains
               Pfam domains ---------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee....eeeee......hhhhhhhhhhh.......eeeee..eee...............eeeeee..... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) UBIQUITIN_2  PDB: B:1-76 UniProt: 1-76                                       PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ---------------------------------------------------------------------------- PROSITE (3)
                PROSITE (4) ---------------------------------------------------------------------------- PROSITE (4)
                PROSITE (5) ---------------------------------------------------------------------------- PROSITE (5)
                PROSITE (6) ---------------------------------------------------------------------------- PROSITE (6)
                PROSITE (7) ---------------------------------------------------------------------------- PROSITE (7)
                PROSITE (8) ---------------------------------------------------------------------------- PROSITE (8)
                PROSITE (9) --------------------------UBIQUITIN_1  PDB: B:27-52 ------------------------ PROSITE (9)
                 Transcript ---------------------------------------------------------------------------- Transcript
                 2jt4 B   1 MQIFVKTLTGKTITLEVESSDTIDNVKSKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG  76
                                    10        20        30        40        50        60        70      

Chain B from PDB  Type:PROTEIN  Length:76
 aligned with RS31_YEAST | P05759 from UniProtKB/Swiss-Prot  Length:152

    Alignment length:76
                                    10        20        30        40        50        60        70      
           RS31_YEAST     1 MQIFVKTLTGKTITLEVESSDTIDNVKSKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG  76
               SCOP domains d2jt4b_ B: Ubiquitin                                                         SCOP domains
               CATH domains 2jt4B00 B:1-76                                                               CATH domains
               Pfam domains ---------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee....eeeee......hhhhhhhhhhh.......eeeee..eee...............eeeeee..... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ---------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ---------------------------------------------------------------------------- PROSITE (3)
                PROSITE (4) UBIQUITIN_2  PDB: B:1-76 UniProt: 1-76                                       PROSITE (4)
                PROSITE (5) ---------------------------------------------------------------------------- PROSITE (5)
                PROSITE (6) --------------------------UBIQUITIN_1  PDB: B:27-52 ------------------------ PROSITE (6)
                 Transcript ---------------------------------------------------------------------------- Transcript
                 2jt4 B   1 MQIFVKTLTGKTITLEVESSDTIDNVKSKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG  76
                                    10        20        30        40        50        60        70      

Chain B from PDB  Type:PROTEIN  Length:76
 aligned with UBI4P_YEAST | P0CG63 from UniProtKB/Swiss-Prot  Length:381

    Alignment length:76
                                   314       324       334       344       354       364       374      
          UBI4P_YEAST   305 MQIFVKTLTGKTITLEVESSDTIDNVKSKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG 380
               SCOP domains d2jt4b_ B: Ubiquitin                                                         SCOP domains
               CATH domains 2jt4B00 B:1-76                                                               CATH domains
               Pfam domains ---------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee....eeeee......hhhhhhhhhhh.......eeeee..eee...............eeeeee..... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ---------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) --------------------------UBIQUITIN_1  PDB: B:27-52 ------------------------ PROSITE (3)
                PROSITE (1) UBIQUITIN_2  PDB: B:1-76 UniProt: 305-380                                    PROSITE (1)
                PROSITE (4) ---------------------------------------------------------------------------- PROSITE (4)
                PROSITE (5) ---------------------------------------------------------------------------- PROSITE (5)
                PROSITE (6) ---------------------------------------------------------------------------- PROSITE (6)
                PROSITE (7) ---------------------------------------------------------------------------- PROSITE (7)
                PROSITE (8) ---------------------------------------------------------------------------- PROSITE (8)
               Transcript 2 Exon 2.1  PDB: B:1-76 UniProt: 1-381 [INCOMPLETE]                            Transcript 2
                 2jt4 B   1 MQIFVKTLTGKTITLEVESSDTIDNVKSKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG  76
                                    10        20        30        40        50        60        70      

   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, 2)

NMR Structure

(-) CATH Domains  (2, 2)

NMR Structure
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (1, 1)

NMR Structure
(-)
Clan: SH3 (175)

(-) Gene Ontology  (39, 68)

NMR Structure(hide GO term definitions)
Chain A   (SLA1_YEAST | P32790)
molecular function
    GO:0003779    actin binding    Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.
    GO:0008092    cytoskeletal protein binding    Interacting selectively and non-covalently with any protein component of any cytoskeleton (actin, microtubule, or intermediate filament cytoskeleton).
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    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:0030674    protein binding, bridging    The binding activity of a molecule that brings together two or more protein molecules, or a protein and another macromolecule or complex, through a selective, non-covalent, often stoichiometric interaction, permitting those molecules to function in a coordinated way.
    GO:0043130    ubiquitin binding    Interacting selectively and non-covalently with ubiquitin, a protein that when covalently bound to other cellular proteins marks them for proteolytic degradation.
biological process
    GO:0000147    actin cortical patch assembly    Assembly of an actin cortical patch, a discrete actin-containing structure found at the plasma membrane of fungal cells.
    GO:0030041    actin filament polymerization    Assembly of actin filaments by the addition of actin monomers to a filament.
    GO:0006897    endocytosis    A vesicle-mediated transport process in which cells take up external materials or membrane constituents by the invagination of a small region of the plasma membrane to form a new membrane-bounded vesicle.
cellular component
    GO:0030479    actin cortical patch    An endocytic patch that consists of an actin-containing structure found at the plasma membrane in cells; formed of networks of branched actin filaments that lie just beneath the plasma membrane and assemble, move, and disassemble rapidly. An example of this is the actin cortical patch found in Saccharomyces cerevisiae.
    GO:0005938    cell cortex    The region of a cell that lies just beneath the plasma membrane and often, but not always, contains a network of actin filaments and associated proteins.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005856    cytoskeleton    Any of the various filamentous elements that form the internal framework of cells, and typically remain after treatment of the cells with mild detergent to remove membrane constituents and soluble components of the cytoplasm. The term embraces intermediate filaments, microfilaments, microtubules, the microtrabecular lattice, and other structures characterized by a polymeric filamentous nature and long-range order within the cell. The various elements of the cytoskeleton not only serve in the maintenance of cellular shape but also have roles in other cellular functions, including cellular movement, cell division, endocytosis, and movement of organelles.
    GO:0005768    endosome    A vacuole to which materials ingested by endocytosis are delivered.
    GO:0010008    endosome membrane    The lipid bilayer surrounding an endosome.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    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:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

Chain B   (RL40A_YEAST | P0CH08)
molecular function
    GO:0031386    protein tag    A molecular function exhibited by a protein that is covalently attached (AKA tagged or conjugated) to another protein where it acts as a marker, recognized by the cellular apparatus to target the tagged protein for some cellular process such as modification, sequestration, transport or degradation.
    GO:0003735    structural constituent of ribosome    The action of a molecule that contributes to the structural integrity of the ribosome.
biological process
    GO:0002181    cytoplasmic translation    The chemical reactions and pathways resulting in the formation of a protein in the cytoplasm. This is a ribosome-mediated process in which the information in messenger RNA (mRNA) is used to specify the sequence of amino acids in the protein.
    GO:0016567    protein ubiquitination    The process in which one or more ubiquitin groups are added to a protein.
    GO:0000027    ribosomal large subunit assembly    The aggregation, arrangement and bonding together of constituent RNAs and proteins to form the large ribosomal subunit.
    GO:0000055    ribosomal large subunit export from nucleus    The directed movement of a ribosomal large subunit from the nucleus into the cytoplasm.
    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:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0022625    cytosolic large ribosomal subunit    The large subunit of a ribosome located in the cytosol.
    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:0005840    ribosome    An intracellular organelle, about 200 A in diameter, consisting of RNA and protein. It is the site of protein biosynthesis resulting from translation of messenger RNA (mRNA). It consists of two subunits, one large and one small, each containing only protein and RNA. Both the ribosome and its subunits are characterized by their sedimentation coefficients, expressed in Svedberg units (symbol: S). Hence, the prokaryotic ribosome (70S) comprises a large (50S) subunit and a small (30S) subunit, while the eukaryotic ribosome (80S) comprises a large (60S) subunit and a small (40S) subunit. Two sites on the ribosomal large subunit are involved in translation, namely the aminoacyl site (A site) and peptidyl site (P site). Ribosomes from prokaryotes, eukaryotes, mitochondria, and chloroplasts have characteristically distinct ribosomal proteins.

Chain B   (RL40B_YEAST | P0CH09)
molecular function
    GO:0031386    protein tag    A molecular function exhibited by a protein that is covalently attached (AKA tagged or conjugated) to another protein where it acts as a marker, recognized by the cellular apparatus to target the tagged protein for some cellular process such as modification, sequestration, transport or degradation.
    GO:0003735    structural constituent of ribosome    The action of a molecule that contributes to the structural integrity of the ribosome.
biological process
    GO:0002181    cytoplasmic translation    The chemical reactions and pathways resulting in the formation of a protein in the cytoplasm. This is a ribosome-mediated process in which the information in messenger RNA (mRNA) is used to specify the sequence of amino acids in the protein.
    GO:0016567    protein ubiquitination    The process in which one or more ubiquitin groups are added to a protein.
    GO:0000027    ribosomal large subunit assembly    The aggregation, arrangement and bonding together of constituent RNAs and proteins to form the large ribosomal subunit.
    GO:0000055    ribosomal large subunit export from nucleus    The directed movement of a ribosomal large subunit from the nucleus into the cytoplasm.
    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:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0022625    cytosolic large ribosomal subunit    The large subunit of a ribosome located in the cytosol.
    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:0005840    ribosome    An intracellular organelle, about 200 A in diameter, consisting of RNA and protein. It is the site of protein biosynthesis resulting from translation of messenger RNA (mRNA). It consists of two subunits, one large and one small, each containing only protein and RNA. Both the ribosome and its subunits are characterized by their sedimentation coefficients, expressed in Svedberg units (symbol: S). Hence, the prokaryotic ribosome (70S) comprises a large (50S) subunit and a small (30S) subunit, while the eukaryotic ribosome (80S) comprises a large (60S) subunit and a small (40S) subunit. Two sites on the ribosomal large subunit are involved in translation, namely the aminoacyl site (A site) and peptidyl site (P site). Ribosomes from prokaryotes, eukaryotes, mitochondria, and chloroplasts have characteristically distinct ribosomal proteins.

Chain B   (UBI4P_YEAST | P0CG63)
molecular function
    GO:0043008    ATP-dependent 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) using energy from the hydrolysis of ATP.
    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:0031386    protein tag    A molecular function exhibited by a protein that is covalently attached (AKA tagged or conjugated) to another protein where it acts as a marker, recognized by the cellular apparatus to target the tagged protein for some cellular process such as modification, sequestration, transport or degradation.
biological process
    GO:0030437    ascospore formation    The process in which cells that are products of meiosis acquire the specialized features of ascospores. Ascospores are generally found in clusters of four or eight spores within a single mother cell, the ascus, and are characteristic of the ascomycete fungi (phylum Ascomycota).
    GO:0016579    protein deubiquitination    The removal of one or more ubiquitin groups from a protein.
    GO:0006513    protein monoubiquitination    Addition of a single ubiquitin group to a protein.
    GO:0000209    protein polyubiquitination    Addition of multiple ubiquitin groups to a protein, forming a ubiquitin chain.
    GO:0016567    protein ubiquitination    The process in which one or more ubiquitin groups are added to a protein.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    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:1990429    peroxisomal importomer complex    A protein complex responsible for transporting proteins into the peroxisomal matrix. An example of this complex is Pex14 found in S. cerevisae which has 9 core components and 12 transient interaction partners.

Chain B   (RS31_YEAST | P05759)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0031386    protein tag    A molecular function exhibited by a protein that is covalently attached (AKA tagged or conjugated) to another protein where it acts as a marker, recognized by the cellular apparatus to target the tagged protein for some cellular process such as modification, sequestration, transport or degradation.
    GO:0003735    structural constituent of ribosome    The action of a molecule that contributes to the structural integrity of the ribosome.
biological process
    GO:0002181    cytoplasmic translation    The chemical reactions and pathways resulting in the formation of a protein in the cytoplasm. This is a ribosome-mediated process in which the information in messenger RNA (mRNA) is used to specify the sequence of amino acids in the protein.
    GO:0002109    maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, LSU-rRNA,5S)    Any process involved in the maturation of a precursor Small SubUnit (SSU) ribosomal RNA (rRNA) molecule into a mature SSU-rRNA molecule from the pre-rRNA molecule originally produced as a tricistronic rRNA transcript that contains the Small Subunit (SSU) rRNA, Large Subunit (LSU) the 5S rRNA in that order from 5' to 3' along the primary transcript.
    GO:0000028    ribosomal small subunit assembly    The aggregation, arrangement and bonding together of constituent RNAs and proteins to form the small ribosomal subunit.
    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:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0022627    cytosolic small ribosomal subunit    The small subunit of a ribosome located in the cytosol.
    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:0005840    ribosome    An intracellular organelle, about 200 A in diameter, consisting of RNA and protein. It is the site of protein biosynthesis resulting from translation of messenger RNA (mRNA). It consists of two subunits, one large and one small, each containing only protein and RNA. Both the ribosome and its subunits are characterized by their sedimentation coefficients, expressed in Svedberg units (symbol: S). Hence, the prokaryotic ribosome (70S) comprises a large (50S) subunit and a small (30S) subunit, while the eukaryotic ribosome (80S) comprises a large (60S) subunit and a small (40S) subunit. Two sites on the ribosomal large subunit are involved in translation, namely the aminoacyl site (A site) and peptidyl site (P site). Ribosomes from prokaryotes, eukaryotes, mitochondria, and chloroplasts have characteristically distinct ribosomal proteins.

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 Related Entries

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

UniProtKB/Swiss-Prot
        RL40A_YEAST | P0CH081otr 1q0w 1wr1 1zgu 1zw7 2g3q 2jwz 2l00 3cmm 3j6x 3j6y 3j77 3j78 3l0w 3l10 4u3m 4u3n 4u3u 4u4n 4u4o 4u4q 4u4r 4u4u 4u4y 4u4z 4u50 4u51 4u52 4u53 4u55 4u56 4u6f 4v6i 4v88 4v8t 4v8y 4v8z 5apn 5apo 5dat 5dc3 5dge 5dgf 5dgv 5fci 5fcj 5gak 5i4l 5juo 5jup 5jus 5jut 5juu 5lyb 5m1j 5mc6 5t62 5t6r 5tga 5tgm
        RL40B_YEAST | P0CH091otr 1q0w 1wr1 1zgu 1zw7 2g3q 2jwz 2l00 3cmm 3l0w 3l10 4v91
        RS31_YEAST | P057591otr 1q0w 1wr1 1zgu 1zw7 2g3q 2jwz 2l00 3cmm 3j6x 3j6y 3j77 3j78 3l0w 3l10 3v88 4u3m 4u3n 4u3u 4u4n 4u4o 4u4q 4u4r 4u4u 4u4y 4u4z 4u50 4u51 4u52 4u53 4u55 4u56 4u6f 4v88 4v8y 4v8z 4v92 5dat 5dc3 5dge 5dgf 5dgv 5fci 5fcj 5i4l 5juo 5jup 5jus 5jut 5juu 5l6h 5l6i 5l6j 5lyb 5m1j 5mc6 5tga 5tgm 5wyj
        SLA1_YEAST | P327901ssh 1z9z 2hbp 2v1q 3idw
        UBI4P_YEAST | P0CG631otr 1q0w 1wr1 1zgu 1zw7 2g3q 2jwz 2kdi 2l00 3cmm 3l0w 3l10 3olm 4hcn 4nnj 4q5e 4q5h

(-) Related Entries Specified in the PDB File

1ubq 1z9z