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(-) Description

Title :  CRYSTAL STRUCTURE OF THE FHA DOMAIN OF THE CHFR MITOTIC CHECKPOINT PROTEIN
 
Authors :  E. S. Stavridi, Y. Huyen, I. R. Loreto, D. M. Scolnick, T. D. Halazonetis, N. P. Pavletich, P. D. Jeffrey
Date :  16 Apr 02  (Deposition) - 08 May 02  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.10
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Chfr, Fha, Domain Swapping, Checkpoint, Cell Cycle (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  E. S. Stavridi, Y. Huyen, I. R. Loreto, D. M. Scolnick, T. D. Halazonetis, N. P. Pavletich, P. D. Jeffrey
Crystal Structure Of The Fha Domain Of The Chfr Mitotic Checkpoint Protein And Its Complex With Tungstate.
Structure V. 10 891 2002
PubMed-ID: 12121644  |  Reference-DOI: 10.1016/S0969-2126(02)00776-1
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CELL CYCLE CHECKPOINT PROTEIN CHFR
    ChainsA, B
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21
    Expression System StrainBL21
    Expression System Taxid511693
    FragmentFHA DOMAIN
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1LGQ)

(-) Sites  (0, 0)

(no "Site" information available for 1LGQ)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1LGQ)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1LGQ)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1LGQ)

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1FHA_DOMAINPS50006 Forkhead-associated (FHA) domain profile.CHFR_HUMAN38-89
 
  2A:38-89
B:38-89

(-) Exons   (0, 0)

(no "Exon" information available for 1LGQ)

(-) Sequences/Alignments

Asymmetric/Biological 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:112
 aligned with CHFR_HUMAN | Q96EP1 from UniProtKB/Swiss-Prot  Length:664

    Alignment length:112
                                    22        32        42        52        62        72        82        92       102       112       122  
           CHFR_HUMAN    13 PQPWGRLLRLGAEEGEPHVLLRKREWTIGRRRGCDLSFPSNKLVSGDHCRIVVDEKSGQVTLEDTSTSGTVINKLKVVKKQTCPLQTGDVIYLVYRKNEPEHNVAYLYESLS 124
               SCOP domains d1lgqa_ A: Cell cycle checkpoint protein Chfr                                                                    SCOP domains
               CATH domains 1lgqA00 A:13-124  [code=2.60.200.20, no name defined]                                                            CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeee.........eee...eeeee......ee...........eeeee......eeeee.....eeeeeeeee...eee.....eeeee.........eeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------FHA_DOMAIN  PDB: A:38-89 UniProt: 38-89             ----------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------- Transcript
                 1lgq A  13 MQPWGRLLRLGAEEGEPHVLLRKREWTIGRRRGCDLSFPSNKLVSGDHCRIVVDEKSGQVTLEDTSTSGTVINKLKVVKKQTCPLQTGDVIYLVYRKNEPEHNVAYLYESLS 124
                                    22        32        42        52        62        72        82        92       102       112       122  

Chain B from PDB  Type:PROTEIN  Length:112
 aligned with CHFR_HUMAN | Q96EP1 from UniProtKB/Swiss-Prot  Length:664

    Alignment length:112
                                    22        32        42        52        62        72        82        92       102       112       122  
           CHFR_HUMAN    13 PQPWGRLLRLGAEEGEPHVLLRKREWTIGRRRGCDLSFPSNKLVSGDHCRIVVDEKSGQVTLEDTSTSGTVINKLKVVKKQTCPLQTGDVIYLVYRKNEPEHNVAYLYESLS 124
               SCOP domains d1lgqb_ B: Cell cycle checkpoint protein Chfr                                                                    SCOP domains
               CATH domains 1lgqB00 B:13-124  [code=2.60.200.20, no name defined]                                                            CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeee.........eee...eeeee......ee...........eeeee......eeeee.....eeeeeeeee...eee.....eeeee....hhhhheeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------FHA_DOMAIN  PDB: B:38-89 UniProt: 38-89             ----------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------- Transcript
                 1lgq B  13 MQPWGRLLRLGAEEGEPHVLLRKREWTIGRRRGCDLSFPSNKLVSGDHCRIVVDEKSGQVTLEDTSTSGTVINKLKVVKKQTCPLQTGDVIYLVYRKNEPEHNVAYLYESLS 124
                                    22        32        42        52        62        72        82        92       102       112       122  

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

 Classification and Annotation

(-) SCOP Domains  (1, 2)

Asymmetric/Biological Unit

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1LGQ)

(-) Gene Ontology  (20, 20)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (CHFR_HUMAN | Q96EP1)
molecular function
    GO:0016874    ligase activity    Catalysis of the joining of two substances, or two groups within a single molecule, with the concomitant hydrolysis of the diphosphate bond in ATP or a similar triphosphate.
    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:0061630    ubiquitin protein ligase activity    Catalysis of the transfer of ubiquitin to a substrate protein via the reaction X-ubiquitin + S -> X + S-ubiquitin, where X is either an E2 or E3 enzyme, the X-ubiquitin linkage is a thioester bond, and the S-ubiquitin linkage is an amide bond: an isopeptide bond between the C-terminal glycine of ubiquitin and the epsilon-amino group of lysine residues in the substrate or, in the linear extension of ubiquitin chains, a peptide bond the between the C-terminal glycine and N-terminal methionine of ubiquitin residues.
    GO:0004842    ubiquitin-protein transferase activity    Catalysis of the transfer of ubiquitin from one protein to another via the reaction X-Ub + Y --> Y-Ub + X, where both X-Ub and Y-Ub are covalent linkages.
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:0007049    cell cycle    The progression of biochemical and morphological phases and events that occur in a cell during successive cell replication or nuclear replication events. Canonically, the cell cycle comprises the replication and segregation of genetic material followed by the division of the cell, but in endocycles or syncytial cells nuclear replication or nuclear division may not be followed by cell division.
    GO:0051301    cell division    The process resulting in division and partitioning of components of a cell to form more cells; may or may not be accompanied by the physical separation of a cell into distinct, individually membrane-bounded daughter cells.
    GO:0000278    mitotic cell cycle    Progression through the phases of the mitotic cell cycle, the most common eukaryotic cell cycle, which canonically comprises four successive phases called G1, S, G2, and M and includes replication of the genome and the subsequent segregation of chromosomes into daughter cells. In some variant cell cycles nuclear replication or nuclear division may not be followed by cell division, or G1 and G2 phases may be absent.
    GO:0007093    mitotic cell cycle checkpoint    A cell cycle checkpoint that ensures accurate chromosome replication and segregation by preventing progression through a mitotic cell cycle until conditions are suitable for the cell to proceed to the next stage.
    GO:0019941    modification-dependent protein catabolic process    The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent modification of the target protein.
    GO:0032436    positive regulation of proteasomal ubiquitin-dependent protein catabolic process    Any process that activates or increases the frequency, rate or extent of the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of ubiquitin, and mediated by the proteasome.
    GO:0031398    positive regulation of protein ubiquitination    Any process that activates or increases the frequency, rate or extent of the addition of ubiquitin groups to a protein.
    GO:0031648    protein destabilization    Any process that decreases the stability of a protein, making it more vulnerable to degradative processes or aggregation.
    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.
    GO:0006511    ubiquitin-dependent protein catabolic process    The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of a ubiquitin group, or multiple ubiquitin groups, to the protein.
cellular component
    GO:0016605    PML body    A class of nuclear body; they react against SP100 auto-antibodies (PML, promyelocytic leukemia); cells typically contain 10-30 PML bodies per nucleus; alterations in the localization of PML bodies occurs after viral infection.
    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
        CHFR_HUMAN | Q96EP11lgp 2xoc 2xoy 2xoz 2xp0

(-) Related Entries Specified in the PDB File

1lgp CRYSTAL STRUCTURE OF THE FHA DOMAIN OF THE CHFR MITOTIC CHECKPOINT PROTEIN