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(-) Description

Title :  MIDBODY TARGETING OF THE ESCRT MACHINERY BY A NON-CANONICAL COILED-COIL IN CEP55
 
Authors :  H. H. Lee, N. Elia, R. Ghirlando, J. Lippincott-Schwartz, J. H. Hurley
Date :  04 Aug 08  (Deposition) - 04 Nov 08  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A,B,C
Keywords :  Cep55, Alix, Cytokinesis, Escrt, Alternative Splicing, Cell Cycle, Cell Division, Coiled Coil, Mitosis, Phosphoprotein, Polymorphism, Acetylation, Apoptosis, Cytoplasm, Host-Virus Interaction, Protein Transport, Transport, Cell Cycle/Transport Protein Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  H. H. Lee, N. Elia, R. Ghirlando, J. Lippincott-Schwartz, J. H. Hurley
Midbody Targeting Of The Escrt Machinery By A Noncanonical Coiled Coil In Cep55.
Science V. 322 576 2008
PubMed-ID: 18948538  |  Reference-DOI: 10.1126/SCIENCE.1162042
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CENTROSOMAL PROTEIN OF 55 KDA
    ChainsA, B
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPARALLEL GST2
    Expression System StrainBL21 CODONPLUS(DE3)-RIL
    Expression System Vector TypePLASMID
    FragmentUNP RESIDUES 160-217
    GeneCEP55, C10ORF3, URCC6
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymCEP55, UP-REGULATED IN COLON CANCER 6
 
Molecule 2 - PROGRAMMED CELL DEATH 6-INTERACTING PROTEIN
    ChainsC
    EngineeredYES
    FragmentUNP RESIDUES 797-809
    Other DetailsSYNTHETIC PEPTIDE
    SynonymPDCD6-INTERACTING PROTEIN, ALG-2-INTERACTING PROTEIN 1, HP95
    SyntheticYES

 Structural Features

(-) Chains, Units

  123
Asymmetric/Biological Unit ABC

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 3E1R)

(-) Sites  (0, 0)

(no "Site" information available for 3E1R)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3E1R)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3E1R)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3E1R)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3E1R)

(-) Exons   (1, 1)

Asymmetric/Biological Unit (1, 1)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1bENST000003072961bENSE00001884181chr3:33839844-33840429586PDC6I_HUMAN1-70700--
1.4ENST000003072964ENSE00001770534chr3:33853564-3385361855PDC6I_HUMAN70-88190--
1.5bENST000003072965bENSE00001632925chr3:33855051-3385512070PDC6I_HUMAN89-112240--
1.6cENST000003072966cENSE00001802994chr3:33863447-33863574128PDC6I_HUMAN112-154430--
1.7dENST000003072967dENSE00001141015chr3:33866679-33866832154PDC6I_HUMAN155-206520--
1.8bENST000003072968bENSE00001141009chr3:33867972-33868072101PDC6I_HUMAN206-239340--
1.10cENST0000030729610cENSE00001141002chr3:33870345-33870461117PDC6I_HUMAN240-278390--
1.12bENST0000030729612bENSE00001608471chr3:33877536-33877758223PDC6I_HUMAN279-353750--
1.13bENST0000030729613bENSE00001630102chr3:33879696-33879819124PDC6I_HUMAN353-394420--
1.14ENST0000030729614ENSE00001140976chr3:33883389-33883566178PDC6I_HUMAN394-453600--
1.15bENST0000030729615bENSE00001785905chr3:33885604-33885715112PDC6I_HUMAN454-491380--
1.16ENST0000030729616ENSE00001732288chr3:33886911-33887080170PDC6I_HUMAN491-547570--
1.18aENST0000030729618aENSE00001783635chr3:33893980-33894228249PDC6I_HUMAN548-630830--
1.19bENST0000030729619bENSE00001596979chr3:33895371-33895505135PDC6I_HUMAN631-675450--
1.20bENST0000030729620bENSE00001097440chr3:33896658-3389675295PDC6I_HUMAN676-707320--
1.21cENST0000030729621cENSE00001140939chr3:33905498-33905621124PDC6I_HUMAN707-748420--
1.22bENST0000030729622bENSE00001140934chr3:33906735-33906922188PDC6I_HUMAN749-811631C:797-80913
1.23bENST0000030729623bENSE00001218677chr3:33907843-339111943352PDC6I_HUMAN811-868580--

(-) 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:46
 aligned with CEP55_HUMAN | Q53EZ4 from UniProtKB/Swiss-Prot  Length:464

    Alignment length:46
                                   174       184       194       204      
          CEP55_HUMAN   165 NNIHEMEIQLKDALEKNQQWLVYDQQREVYVKGLLAKIFELEKKTE 210
               SCOP domains ---------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------- PROSITE
                 Transcript ---------------------------------------------- Transcript
                 3e1r A 165 NNIHEMEIQLKDALEKNQQWLVYDQQREVYVKGLLAKIFELEKKTE 210
                                   174       184       194       204      

Chain B from PDB  Type:PROTEIN  Length:42
 aligned with CEP55_HUMAN | Q53EZ4 from UniProtKB/Swiss-Prot  Length:464

    Alignment length:42
                                   176       186       196       206  
          CEP55_HUMAN   167 IHEMEIQLKDALEKNQQWLVYDQQREVYVKGLLAKIFELEKK 208
               SCOP domains ------------------------------------------ SCOP domains
               CATH domains ------------------------------------------ CATH domains
               Pfam domains ------------------------------------------ Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------ PROSITE
                 Transcript ------------------------------------------ Transcript
                 3e1r B 167 IHEMEIQLKDALEKNQQWLVYDQQREVYVKGLLAKIFELEKK 208
                                   176       186       196       206  

Chain C from PDB  Type:PROTEIN  Length:13
 aligned with PDC6I_HUMAN | Q8WUM4 from UniProtKB/Swiss-Prot  Length:868

    Alignment length:13
                                   806   
          PDC6I_HUMAN   797 QAQGPPYPTYPGY 809
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author ............. Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE ------------- PROSITE
               Transcript 1 Exon 1.22b    Transcript 1
                 3e1r C 797 QAQGPPYPTYPGY 809
                                   806   

   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  (0, 0)

(no "SCOP Domain" information available for 3E1R)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3E1R)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3E1R)

(-) Gene Ontology  (43, 53)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (CEP55_HUMAN | Q53EZ4)
molecular function
    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: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:0000920    cell separation after cytokinesis    The process of physically separating progeny cells after cytokinesis; this may involve enzymatic digestion of septum or cell wall components.
    GO:0045184    establishment of protein localization    The directed movement of a protein to a specific location.
    GO:0000281    mitotic cytokinesis    A cell cycle process that results in the division of the cytoplasm of a cell after mitosis, resulting in the separation of the original cell into two daughter cells.
    GO:0007080    mitotic metaphase plate congression    The cell cycle process in which chromosomes are aligned at the metaphase plate, a plane halfway between the poles of the mitotic spindle, during mitosis.
    GO:0006997    nucleus organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the nucleus.
cellular component
    GO:0005814    centriole    A cellular organelle, found close to the nucleus in many eukaryotic cells, consisting of a small cylinder with microtubular walls, 300-500 nm long and 150-250 nm in diameter. It contains nine short, parallel, peripheral microtubular fibrils, each fibril consisting of one complete microtubule fused to two incomplete microtubules. Cells usually have two centrioles, lying at right angles to each other. At division, each pair of centrioles generates another pair and the twin pairs form the pole of the mitotic spindle.
    GO:0005813    centrosome    A structure comprised of a core structure (in most organisms, a pair of centrioles) and peripheral material from which a microtubule-based structure, such as a spindle apparatus, is organized. Centrosomes occur close to the nucleus during interphase in many eukaryotic cells, though in animal cells it changes continually during the cell-division cycle.
    GO:0032154    cleavage furrow    The cleavage furrow is a plasma membrane invagination at the cell division site. The cleavage furrow begins as a shallow groove and eventually deepens to divide the cytoplasm.
    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:0045171    intercellular bridge    A direct connection between the cytoplasm of two cells that is formed following the completion of cleavage furrow ingression during cell division. They are usually present only briefly prior to completion of cytokinesis. However, in some cases, such as the bridges between germ cells during their development, they become stabilised.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005815    microtubule organizing center    An intracellular structure that can catalyze gamma-tubulin-dependent microtubule nucleation and that can anchor microtubules by interacting with their minus ends, plus ends or sides.
    GO:0030496    midbody    A thin cytoplasmic bridge formed between daughter cells at the end of cytokinesis. The midbody forms where the contractile ring constricts, and may persist for some time before finally breaking to complete cytokinesis.

Chain C   (PDC6I_HUMAN | Q8WUM4)
molecular function
    GO:0048306    calcium-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), in the presence of calcium.
    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:0046983    protein dimerization activity    The formation of a protein dimer, a macromolecular structure consists of two noncovalently associated identical or nonidentical subunits.
    GO:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
    GO:0031871    proteinase activated receptor binding    Interacting selectively and non-covalently with a proteinase activated receptor.
biological process
    GO:0006915    apoptotic process    A programmed cell death process which begins when a cell receives an internal (e.g. DNA damage) or external signal (e.g. an extracellular death ligand), and proceeds through a series of biochemical events (signaling pathway phase) which trigger an execution phase. The execution phase is the last step of an apoptotic process, and is typically characterized by rounding-up of the cell, retraction of pseudopodes, reduction of cellular volume (pyknosis), chromatin condensation, nuclear fragmentation (karyorrhexis), plasma membrane blebbing and fragmentation of the cell into apoptotic bodies. When the execution phase is completed, the cell has died.
    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:0000920    cell separation after cytokinesis    The process of physically separating progeny cells after cytokinesis; this may involve enzymatic digestion of septum or cell wall components.
    GO:0007080    mitotic metaphase plate congression    The cell cycle process in which chromosomes are aligned at the metaphase plate, a plane halfway between the poles of the mitotic spindle, during mitosis.
    GO:0036258    multivesicular body assembly    The aggregation, arrangement and bonding together of a set of components to form a multivesicular body, a type of late endosome in which regions of the limiting endosomal membrane invaginate to form internal vesicles; membrane proteins that enter the internal vesicles are sequestered from the cytoplasm.
    GO:0006997    nucleus organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the nucleus.
    GO:1903543    positive regulation of exosomal secretion    Any process that activates or increases the frequency, rate or extent of exosomal secretion.
    GO:1903553    positive regulation of extracellular exosome assembly    Any process that activates or increases the frequency, rate or extent of extracellular vesicular exosome assembly.
    GO:0015031    protein transport    The directed movement of proteins into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0010824    regulation of centrosome duplication    Any process that modulates the frequency, rate or extent of centrosome duplication. Centrosome duplication is the replication of a centrosome, a structure comprised of a pair of centrioles and peri-centriolar material from which a microtubule spindle apparatus is organized.
    GO:1903551    regulation of extracellular exosome assembly    Any process that modulates the frequency, rate or extent of extracellular vesicular exosome assembly.
    GO:1901673    regulation of mitotic spindle assembly    Any process that modulates the frequency, rate or extent of mitotic spindle assembly.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
    GO:0090611    ubiquitin-independent protein catabolic process via the multivesicular body sorting pathway    The chemical reactions and pathways resulting in the breakdown of a protein or peptide, via the multivesicular body (MVB) sorting pathway; proteins are sorted into MVBs, and delivered to a lysosome/vacuole for degradation. This process is independent of ubiquitination.
    GO:0039702    viral budding via host ESCRT complex    Viral budding which uses a host ESCRT protein complex, or complexes, to mediate the budding process.
    GO:0019058    viral life cycle    A set of processes which all viruses follow to ensure survival; includes attachment and entry of the virus particle, decoding of genome information, translation of viral mRNA by host ribosomes, genome replication, and assembly and release of viral particles containing the genome.
    GO:0016032    viral process    A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle.
cellular component
    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:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0070971    endoplasmic reticulum exit site    An endoplasmic reticulum part at which COPII-coated vesicles are produced.
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:1903561    extracellular vesicle    Any vesicle that is part of the extracellular region.
    GO:0005925    focal adhesion    Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.
    GO:0001772    immunological synapse    An area of close contact between a lymphocyte (T-, B-, or natural killer cell) and a target cell formed through the clustering of particular signaling and adhesion molecules and their associated membrane rafts on both the lymphocyte and the target cell and facilitating activation of the lymphocyte, transfer of membrane from the target cell to the lymphocyte, and in some situations killing of the target cell through release of secretory granules and/or death-pathway ligand-receptor interaction.
    GO:0042470    melanosome    A tissue-specific, membrane-bounded cytoplasmic organelle within which melanin pigments are synthesized and stored. Melanosomes are synthesized in melanocyte cells.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005815    microtubule organizing center    An intracellular structure that can catalyze gamma-tubulin-dependent microtubule nucleation and that can anchor microtubules by interacting with their minus ends, plus ends or sides.
    GO:0043209    myelin sheath    An electrically insulating fatty layer that surrounds the axons of many neurons. It is an outgrowth of glial cells: Schwann cells supply the myelin for peripheral neurons while oligodendrocytes supply it to those of the central nervous system.

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 Related Entries

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

UniProtKB/Swiss-Prot
        CEP55_HUMAN | Q53EZ43wut 3wuu 3wuv
        PDC6I_HUMAN | Q8WUM42oev 2oew 2oex 2ojq 2r02 2r03 2r05 2xs1 2xs8 2zne 3c3o 3c3q 3c3r 3wuv 4jjy

(-) Related Entries Specified in the PDB File

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