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(-) Description

Title :  CRYSTAL STRUCTURE OF THE MAD2/P31(COMET)/MAD2-BINDING PEPTIDE TERNARY COMPLEX
 
Authors :  D. R. Tomchick, X. Luo
Date :  14 Aug 07  (Deposition) - 29 Jan 08  (Release) - 18 Sep 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.30
Chains :  Asym. Unit :  A,B,C,D,E,F
Biol. Unit 1:  A,B,E  (1x)
Biol. Unit 2:  C,D,F  (1x)
Keywords :  Protein-Peptide Complex, Mad2 Family, Spindle Assembly Checkpoint, Cell Cycle, Cell Division, Mitosis, Nucleus, Phosphorylation (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Yang, B. Li, D. R. Tomchick, M. Machius, J. Rizo, H. Yu, X. Luo
P31Comet Blocks Mad2 Activation Through Structural Mimicry.
Cell(Cambridge, Mass. ) V. 131 744 2007
PubMed-ID: 18022368  |  Reference-DOI: 10.1016/J.CELL.2007.08.048
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - MITOTIC SPINDLE ASSEMBLY CHECKPOINT PROTEIN MAD2A
    Chains: A, C
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PETDUET-1
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: MAD2L1, MAD2
    Mutation: YES
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: MAD2-LIKE 1, HSMAD2
 
Molecule 2 - MAD2L1-BINDING PROTEIN
    Chains: B, D
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PETDUET-1
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 36-274
    Gene: MAD2L1BP, CMT2, KIAA0110
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: CAUGHT BY MAD2 PROTEIN
 
Molecule 3 - PEPTIDE
    Chains: E, F
    Engineered: YES
    Other Details: SYNTHETIC 12-MER
    Synthetic: YES

 Structural Features

(-) Chains, Units

  123456
Asymmetric Unit : ABCDEF
Biological Unit 1 (1x): AB  E 
Biological Unit 2 (1x):   CD F

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 12)

Asymmetric Unit (1, 12)
No.NameCountTypeFull Name
1MSE12Mod. Amino AcidSELENOMETHIONINE
Biological Unit 1 (1, 6)
No.NameCountTypeFull Name
1MSE6Mod. Amino AcidSELENOMETHIONINE
Biological Unit 2 (1, 6)
No.NameCountTypeFull Name
1MSE6Mod. Amino AcidSELENOMETHIONINE

(-) Sites  (0, 0)

(no "Site" information available for 2QYF)

(-) SS Bonds  (1, 1)

Asymmetric Unit
No.Residues
1A:79 -A:106

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 2)

Asymmetric Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HORMAPS50815 HORMA domain profile.MD2L1_HUMAN14-197
 		  2A:14-197
C:14-197
Biological Unit 1 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HORMAPS50815 HORMA domain profile.MD2L1_HUMAN14-197
 		  1A:14-197
-
Biological Unit 2 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HORMAPS50815 HORMA domain profile.MD2L1_HUMAN14-197
 		  1-
C:14-197

(-) Exons   (7, 14)

Asymmetric Unit (7, 14)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1aENST000002965091aENSE00001705676chr4:120988229-120987817413MD2L1_HUMAN1-25252A:9-25
C:12-25		17
14
1.2aENST000002965092aENSE00001081494chr4:120986973-120986827147MD2L1_HUMAN25-74502A:25-74
C:25-74		50
50
1.3ENST000002965093ENSE00001081493chr4:120983250-120983130121MD2L1_HUMAN74-114412A:74-114
C:74-107		41
34
1.4bENST000002965094bENSE00001765948chr4:120982132-120982029104MD2L1_HUMAN114-149362A:114-149
C:119-149		36
31
1.5cENST000002965095cENSE00001796865chr4:120981445-120980577869MD2L1_HUMAN149-205572A:149-205
C:149-205		57
57
2.3aENST000003721713aENSE00002154003chr6:43603556-43603658103MD2BP_HUMAN1-16160--
2.4aENST000003721714aENSE00001141072chr6:43604118-43604383266MD2BP_HUMAN16-104892B:54-96 (gaps)
D:54-96		43
43
2.5cENST000003721715cENSE00002085727chr6:43607758-43608689932MD2BP_HUMAN105-2741702B:124-272 (gaps)
D:119-273 (gaps)		149
155

(-) 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:197
 aligned with MD2L1_HUMAN | Q13257 from UniProtKB/Swiss-Prot  Length:205

    Alignment length:197
                                    18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       
          MD2L1_HUMAN     9 QGITLRGSAEIVAEFFSFGINSILYQRGIYPSETFTRVQKYGLTLLVTTDLELIKYLNNVVEQLKDWLYKCSVQKLVVVISNIESGEVLERWQFDIECDKTAKDDSAPREKSQKAIQDEIRSVIRQITATVTFLPLLEVSCSFDLLIYTDKDLVVPEKWEESGPQFITNSEEVRLRSFTTTIHKVNSMVAYKIPVND 205
               SCOP domains d2qyfa_ A: The spindle assembly checkpoint protein mad2                                                                                                                                               SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhhhhhhh...hhh.eeeeee..eeeeee.hhhhhhhhhhhhhhhhhhhhh....eeeeeeee.....eeeeeeeeeee.hhhhh.......hhhhhhhhhhhhhhhhhhhhhh.......eeeeeeee..hhhhh....eee......eeeeee...ee...eeeeeeeeee..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----HORMA  PDB: A:14-197 UniProt: 14-197                                                                                                                                                    -------- PROSITE
           Transcript 1 (1) Exon 1.1a        ------------------------------------------------Exon 1.3  PDB: A:74-114 UniProt: 74-114  ----------------------------------Exon 1.5c  PDB: A:149-205 UniProt: 149-205                Transcript 1 (1)
           Transcript 1 (2) ----------------Exon 1.2a  PDB: A:25-74 UniProt: 25-74            ---------------------------------------Exon 1.4b  PDB: A:114-149           -------------------------------------------------------- Transcript 1 (2)
                 2qyf A   9 QGITARGSAEIVAEFFSFGINSILYQRGIYPSETFTRVQKYGLTLLVTTDLELIKYLNNVVEQLKDWLYKCSVQKLVVVISNIESGEVLERWQFDIECDKTAKDDSAPREKSQKAIQDEIRSVIRQITATVTFLPLLEVSCSFDLLIYTDKDLVVPEKWEESGPQFITNSEEVRLRSFTTTIHKVNSmVAYKIPVND 205
                                    18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       
                                                                                                                                                                                                                     196-MSE     


Chain B from PDB  Type:PROTEIN  Length:188
 aligned with MD2BP_HUMAN | Q15013 from UniProtKB/Swiss-Prot  Length:274

    Alignment length:219
                                    63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263         
          MD2BP_HUMAN    54 CMVPVVFPGPVSQEGCCQFTCELLKHIMYQRQQLPLPYEQLKHFYRKPSPQAEEMLKKKPRATTEVSSRKCQQALAELESVLSHLEDFFARTLVPRVLILLGGNALSPKEFYELDLSLLAPYSVDQSLSTAACLRRLFRAIFMADAFSELQAPPLMGTVVMAQGHRNCGEDWFRPKLNYRVPSRGHKLTVTLSCGRPSIRTTAWEDYIWFQAPVTFKGF 272
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeee.....-hhhhhhhhhhhhhhhhhhh.....hhhhhh.---------------------------.hhhhhhhhhhhhhhhhhhhhh...eeeeee........eeeeee......---....hhhhhhhhhhhhhhhh............eeeeeeeee........eee.........eeeeeeee.............eeeee....ee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
               Transcript 2 Exon 2.4a  PDB: B:54-96 (gaps) UniProt: 16-104     Exon 2.5c  PDB: B:124-272 (gaps) UniProt: 105-274 [INCOMPLETE]                                                                                                           Transcript 2
                 2qyf B  54 CmVPVVFPGPV-QEGCCQFTCELLKHImYQRQQLPLPYEQLKH---------------------------CQQALAELESVLSHLEDFFARTLVPRVLILLGGNALSPKEFYELDLSLLAP---DQSLSTAACLRRLFRAIFmADAFSELQAPPLmGTVVmAQGHRNCGEDWFRPKLNYRVPSRGHKLTVTLSCGRPSIRTTAWEDYIWFQAPVTFKGF 272
                             |      63| |     73       |83        93  |      -         -         -|      133       143       153       163       173|   |  183       193  |    203     | 213|      223       233       243       253       263         
                             |       64 |             81-MSE         96                         124                                               174 178               196-MSE      209-MSE|                                                          
                            55-MSE     66                                                                                                                                                 214-MSE                                                      


Chain C from PDB  Type:PROTEIN  Length:183
 aligned with MD2L1_HUMAN | Q13257 from UniProtKB/Swiss-Prot  Length:205

    Alignment length:194
                                    21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201    
          MD2L1_HUMAN    12 TLRGSAEIVAEFFSFGINSILYQRGIYPSETFTRVQKYGLTLLVTTDLELIKYLNNVVEQLKDWLYKCSVQKLVVVISNIESGEVLERWQFDIECDKTAKDDSAPREKSQKAIQDEIRSVIRQITATVTFLPLLEVSCSFDLLIYTDKDLVVPEKWEESGPQFITNSEEVRLRSFTTTIHKVNSMVAYKIPVND 205
               SCOP domains d2qyfc_ C: The spindle assembly checkpoint protein mad2                                                                                                                                            SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) HORMA-2qyfC01 C:12-191                                                                                                                                                              -------------- Pfam domains (1)
           Pfam domains (2) HORMA-2qyfC02 C:12-191                                                                                                                                                              -------------- Pfam domains (2)
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhh...hhh.eeeeee..eeeeee.hhhhhhhhhhhhhhhhhhhhh....eeeeeeee.....eeeeeeeeeee.-----------.hhhhhhhhhhhhhhhhhhhhhh.......eeeeeeee...........eee.......eeeee...ee...eeeeeeeeee..... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --HORMA  PDB: C:14-197 UniProt: 14-197                                                                                                                                                    -------- PROSITE
           Transcript 1 (1) Exon 1.1a     ------------------------------------------------Exon 1.3  PDB: C:74-107 UniProt: 74-114  ----------------------------------Exon 1.5c  PDB: C:149-205 UniProt: 149-205                Transcript 1 (1)
           Transcript 1 (2) -------------Exon 1.2a  PDB: C:25-74 UniProt: 25-74            ---------------------------------------Exon 1.4b  PDB: C:119-149           -------------------------------------------------------- Transcript 1 (2)
                 2qyf C  12 TARGSAEIVAEFFSFGINSILYQRGIYPSETFTRVQKYGLTLLVTTDLELIKYLNNVVEQLKDWLYKCSVQKLVVVISNIESGEVLERWQFDIECD-----------KSQKAIQDEIRSVIRQITATVTFLPLLEVSCSFDLLIYTDKDLVVPEKWEESGPQFITNSEEVRLRSFTTTIHKVNSmVAYKIPVND 205
                                    21        31        41        51        61        71        81        91       101     |   -       121       131       141       151       161       171       181       191    |  201    
                                                                                                                         107         119                                                                          196-MSE     


Chain D from PDB  Type:PROTEIN  Length:191
 aligned with MD2BP_HUMAN | Q15013 from UniProtKB/Swiss-Prot  Length:274

    Alignment length:220
                                    63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273
          MD2BP_HUMAN    54 CMVPVVFPGPVSQEGCCQFTCELLKHIMYQRQQLPLPYEQLKHFYRKPSPQAEEMLKKKPRATTEVSSRKCQQALAELESVLSHLEDFFARTLVPRVLILLGGNALSPKEFYELDLSLLAPYSVDQSLSTAACLRRLFRAIFMADAFSELQAPPLMGTVVMAQGHRNCGEDWFRPKLNYRVPSRGHKLTVTLSCGRPSIRTTAWEDYIWFQAPVTFKGFR 273
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) p31comet-2qyfD01 D:54-273                                                                                                                                                                                                    Pfam domains (1)
           Pfam domains (2) p31comet-2qyfD02 D:54-273                                                                                                                                                                                                    Pfam domains (2)
         Sec.struct. author .eeeee.....hhhhhhhhhhhhhhhhhhhh.....hhhhhh.----------------------hhhhhhhhhhhhhhhhhhhhhhhhhhh...eeeeee........eeeeee.....-------hhhhhhhhhhhhhhhhh............eeeeeeeee.hhh....eee.........eeeeeeee.............eeeee....ee... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
               Transcript 2 Exon 2.4a  PDB: D:54-96 UniProt: 16-104            Exon 2.5c  PDB: D:119-273 (gaps) UniProt: 105-274 [INCOMPLETE]                                                                                                            Transcript 2
                 2qyf D  54 CmVPVVFPGPVSQEGCCQFTCELLKHImYQRQQLPLPYEQLKH----------------------VSSRKCQQALAELESVLSHLEDFFARTLVPRVLILLGGNALSPKEFYELDLSLLA-------LSTAACLRRLFRAIFmADAFSELQAPPLmGTVVmAQGHRNCGEDWFRPKLNYRVPSRGHKLTVTLSCGRPSIRTTAWEDYIWFQAPVTFKGFR 273
                             |      63        73       |83        93  |      -         -     | 123       133       143       153       163       173       183       193  |    203     | 213|      223       233       243       253       263       273
                            55-MSE                    81-MSE         96                    119                                                   173     181            196-MSE      209-MSE|                                                           
                                                                                                                                                                                          214-MSE                                                       


Chain E from PDB  Type:PROTEIN  Length:11
                                           
               SCOP domains ----------- SCOP domains
               CATH domains ----------- CATH domains
               Pfam domains ----------- Pfam domains
         Sec.struct. author .eeee...... Sec.struct. author
                 SAPs(SNPs) ----------- SAPs(SNPs)
                    PROSITE ----------- PROSITE
                 Transcript ----------- Transcript
                 2qyf E   1 SWYSYPPPQRA  11
                                    10 


Chain F from PDB  Type:PROTEIN  Length:10
                                          
               SCOP domains ---------- SCOP domains
               CATH domains ---------- CATH domains
               Pfam domains ---------- Pfam domains
         Sec.struct. author .eeee..... Sec.struct. author
                 SAPs(SNPs) ---------- SAPs(SNPs)
                    PROSITE ---------- PROSITE
                 Transcript ---------- Transcript
                 2qyf F   1 SWYSYPPPQR  10
                                    10
   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 Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (2, 4)

Asymmetric Unit
(-)
Clan: no clan defined [family: HORMA] (5)
(-)
Clan: no clan defined [family: p31comet] (1)

(-) Gene Ontology  (33, 38)

Asymmetric Unit(hide GO term definitions)
Chain A,C   (MD2L1_HUMAN | Q13257)
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:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
biological process
    GO:0031145    anaphase-promoting complex-dependent 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 ubiquitin, with ubiquitin-protein ligation catalyzed by the anaphase-promoting complex, and mediated by the proteasome.
    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: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: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:0007094    mitotic spindle assembly checkpoint    A cell cycle checkpoint that delays the metaphase/anaphase transition of a mitotic nuclear division until the spindle is correctly assembled and chromosomes are attached to the spindle.
    GO:0043066    negative regulation of apoptotic process    Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.
    GO:0045930    negative regulation of mitotic cell cycle    Any process that stops, prevents or reduces the rate or extent of progression through the mitotic cell cycle.
    GO:0042177    negative regulation of protein catabolic process    Any process that stops, prevents, or reduces the frequency, rate or extent of the chemical reactions and pathways resulting in the breakdown of a protein by the destruction of the native, active configuration, with or without the hydrolysis of peptide bonds.
    GO:1904667    negative regulation of ubiquitin protein ligase activity    Any process that stops, prevents or reduces the frequency, rate or extent of ubiquitin protein ligase activity.
    GO:0051436    negative regulation of ubiquitin-protein ligase activity involved in mitotic cell cycle    Any process that stops, prevents, or reduces the frequency, rate or extent of ubiquitin ligase activity that contributes to the mitotic cell cycle.
    GO:0090267    positive regulation of mitotic cell cycle spindle assembly checkpoint    Any process that increases the rate, frequency, or extent of the mitotic cell cycle spindle assembly checkpoint, a cell cycle checkpoint that delays the metaphase/anaphase transition of a mitotic nuclear division until the spindle is correctly assembled and chromosomes are attached to the spindle.
    GO:0051437    positive regulation of ubiquitin-protein ligase activity involved in regulation of mitotic cell cycle transition    Any process that activates, maintains or increases the rate of ubiquitin ligase activity that contributes to the regulation of the mitotic cell cycle phase transition.
    GO:0043161    proteasome-mediated 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 ubiquitin, and mediated by the proteasome.
    GO:0042787    protein ubiquitination involved in ubiquitin-dependent protein catabolic process    The process in which a ubiquitin group, or multiple groups, are covalently attached to the target protein, thereby initiating the degradation of that protein.
    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: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: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:0000776    kinetochore    A multisubunit complex that is located at the centromeric region of DNA and provides an attachment point for the spindle microtubules.
    GO:0072686    mitotic spindle    A spindle that forms as part of mitosis. Mitotic and meiotic spindles contain distinctive complements of proteins associated with microtubules.
    GO:0005643    nuclear pore    Any of the numerous similar discrete openings in the nuclear envelope of a eukaryotic cell, where the inner and outer nuclear membranes are joined.
    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:0048471    perinuclear region of cytoplasm    Cytoplasm situated near, or occurring around, the nucleus.
    GO:0000922    spindle pole    Either of the ends of a spindle, where spindle microtubules are organized; usually contains a microtubule organizing center and accessory molecules, spindle microtubules and astral microtubules.

Chain B,D   (MD2BP_HUMAN | Q15013)
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: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:0007096    regulation of exit from mitosis    Any process involved in the progression from anaphase/telophase to G1 that is associated with a conversion from high to low mitotic CDK activity.
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: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:0005819    spindle    The array of microtubules and associated molecules that forms between opposite poles of a eukaryotic cell during mitosis or meiosis and serves to move the duplicated chromosomes apart.

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 Related Entries

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        MD2L1_HUMAN | Q13257: 1duj 1go4 1klq 1s2h 2v64 2vfx 3gmh 5khu 5lcw

(-) Related Entries Specified in the PDB File

1duj SOLUTION NMR STRUCTURE OF THE OPEN CONFORMATION OF THE MAD2 PROTEIN.
1klq SOLUTION NMR STRUCTURE OF THE MAD2 PROTEIN COMPLEXED TO A MAD2-BINDING PEPTIDE.
1s2h SOLUTION NMR STRUCTURE OF THE CLOSED CONFORMATION OF THE MAD2 PROTEIN.