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(-) Description

Title :  CRYSTAL STRUCTURE OF HEC1 CH DOMAIN
 
Authors :  R. R. Wei, S. C. Harrison
Date :  22 Sep 06  (Deposition) - 02 Jan 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym./Biol. Unit :  A
Keywords :  Calponin Homology (Ch) Domain, Alpha Helices, Cell Cycle (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  R. R. Wei, J. Al-Bassam, S. C. Harrison
The Ndc80/Hec1 Complex Is A Contact Point For Kinetochore-Microtubule Attachment.
Nat. Struct. Mol. Biol. V. 14 54 2007
PubMed-ID: 17195848  |  Reference-DOI: 10.1038/NSMB1186
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - RETINOBLASTOMA-ASSOCIATED PROTEIN HEC
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET28A
    Expression System StrainROSETTA PLYS
    Expression System Taxid562
    Expression System Vector TypePLSMID
    GeneHEC1
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymKINETOCHORE ASSOCIATED 2

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1BME2Ligand/IonBETA-MERCAPTOETHANOL

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:97 , CYS A:100 , GLY A:134 , PRO A:138 , HOH A:342BINDING SITE FOR RESIDUE BME A 269
2AC2SOFTWAREPHE A:91 , CYS A:95 , LYS A:166 , SER A:167 , VAL A:186 , HOH A:288 , HOH A:307BINDING SITE FOR RESIDUE BME A 270

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2IGP)

(-) Exons   (4, 4)

Asymmetric/Biological Unit (4, 4)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1ENST000002615971ENSE00001147512chr18:2571510-2571682173NDC80_HUMAN-00--
1.2ENST000002615972ENSE00000799508chr18:2572976-2573085110NDC80_HUMAN1-34340--
1.3ENST000002615973ENSE00000521757chr18:2574988-257506578NDC80_HUMAN34-60270--
1.4ENST000002615974ENSE00000664880chr18:2577745-2577868124NDC80_HUMAN60-101421A:82-10120
1.5ENST000002615975ENSE00000664881chr18:2577968-2578140173NDC80_HUMAN102-159581A:102-15958
1.6ENST000002615976ENSE00000664882chr18:2578926-2579028103NDC80_HUMAN159-193351A:159-19335
1.7ENST000002615977ENSE00000521765chr18:2585112-258520190NDC80_HUMAN194-223301A:194-1952
1.8ENST000002615978ENSE00000664888chr18:2587829-258792294NDC80_HUMAN224-255320--
1.9ENST000002615979ENSE00000664889chr18:2589203-2589309107NDC80_HUMAN255-290360--
1.10ENST0000026159710ENSE00000664890chr18:2590017-2590161145NDC80_HUMAN291-339490--
1.11ENST0000026159711ENSE00000664891chr18:2595415-2595620206NDC80_HUMAN339-407690--
1.12ENST0000026159712ENSE00001147432chr18:2599018-2599170153NDC80_HUMAN408-458510--
1.13ENST0000026159713ENSE00001016867chr18:2601395-260148490NDC80_HUMAN459-488300--
1.14ENST0000026159714ENSE00001016868chr18:2606414-260650693NDC80_HUMAN489-519310--
1.15ENST0000026159715ENSE00001016869chr18:2608699-2608829131NDC80_HUMAN520-563440--
1.16ENST0000026159716ENSE00001276649chr18:2610758-2610860103NDC80_HUMAN563-597350--
1.17ENST0000026159717ENSE00001276765chr18:2616436-2616634199NDC80_HUMAN598-642450--

(-) 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:114
 aligned with NDC80_HUMAN | O14777 from UniProtKB/Swiss-Prot  Length:642

    Alignment length:114
                                    91       101       111       121       131       141       151       161       171       181       191    
          NDC80_HUMAN    82 DPRPLNDKAFIQQCIRQLCEFLTENGYAHNVSMKSLQAPSVKDFLKIFTFLYGFLCPSYELPDTKFEEEVPRIFKDLGYPFALSKSSMYTVGAPHTWPHIVAALVWLIDCIKIH 195
               SCOP domains ------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhhhhhhhh..............hhhhhhhhhhhhhh...........hhhhhhhhhhhhh......hhhhhhh.....hhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------ PROSITE
           Transcript 1 (1) Exon 1.4            Exon 1.5  PDB: A:102-159 UniProt: 102-159                 ----------------------------------1. Transcript 1 (1)
           Transcript 1 (2) -----------------------------------------------------------------------------Exon 1.6  PDB: A:159-193           -- Transcript 1 (2)
                 2igp A  82 DPRPLNDKAFIQQCIRQLCEFLTENGYAHNVSMKSLQAPSVKDFLKIFTFLYGFLCPSYELPDTKFEEEVPRIFKDLGYPFALSKSSMYTVGAPHTWPHIVAALVWLIDCIKIH 195
                                    91       101       111       121       131       141       151       161       171       181       191    

   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 2IGP)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (21, 21)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (NDC80_HUMAN | O14777)
molecular function
    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:0005200    structural constituent of cytoskeleton    The action of a molecule that contributes to the structural integrity of a cytoskeletal structure.
biological process
    GO:0051315    attachment of mitotic spindle microtubules to kinetochore    The cell cycle process in which spindle microtubules become physically associated with the proteins making up the kinetochore complex as part of mitotic metaphase plate congression.
    GO:0008608    attachment of spindle microtubules to kinetochore    The process in which spindle microtubules become physically associated with the proteins making up the kinetochore complex.
    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:0007059    chromosome segregation    The process in which genetic material, in the form of chromosomes, is organized into specific structures and then physically separated and apportioned to two or more sets. In eukaryotes, chromosome segregation begins with the condensation of chromosomes, includes chromosome separation, and ends when chromosomes have completed movement to the spindle poles.
    GO:0000132    establishment of mitotic spindle orientation    A cell cycle process that sets the alignment of mitotic spindle relative to other cellular structures.
    GO:0000070    mitotic sister chromatid segregation    The cell cycle process in which replicated homologous chromosomes are organized and then physically separated and apportioned to two sets during the mitotic cell cycle. Each replicated chromosome, composed of two sister chromatids, aligns at the cell equator, paired with its homologous partner. One homolog of each morphologic type goes into each of the resulting chromosome sets.
    GO:0007052    mitotic spindle organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the microtubule spindle during a mitotic cell cycle.
    GO:0007062    sister chromatid cohesion    The cell cycle process in which the sister chromatids of a replicated chromosome become tethered to each other.
cellular component
    GO:0031262    Ndc80 complex    A protein complex conserved among eukaryotes that forms part of the kinetochore and plays an essential role in forming stable kinetochore-microtubule attachments. The complex contains proteins known in several species, including budding and fission yeasts, as Ndc80p, Nuf2p, Spc24p, and Spc25p. In vertebrates it is part of the outer plate of the kinetochore.
    GO:0005694    chromosome    A structure composed of a very long molecule of DNA and associated proteins (e.g. histones) that carries hereditary information.
    GO:0000775    chromosome, centromeric region    The region of a chromosome that includes the centromeric DNA and associated proteins. In monocentric chromosomes, this region corresponds to a single area of the chromosome, whereas in holocentric chromosomes, it is evenly distributed along the chromosome.
    GO:0000777    condensed chromosome kinetochore    A multisubunit complex that is located at the centromeric region of a condensed chromosome and provides an attachment point for the spindle microtubules.
    GO:0000942    condensed nuclear chromosome outer kinetochore    The region of a condensed nuclear chromosome kinetochore most external to centromeric DNA; this outer region mediates kinetochore-microtubule interactions.
    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:0000776    kinetochore    A multisubunit complex that is located at the centromeric region of DNA and provides an attachment point for the spindle microtubules.
    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.

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 Related Entries

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

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        NDC80_HUMAN | O147772ve7 3iz0

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