Mitotic spindle assembly checkpoint protein MAD1 (Protein name
), MD1L1_HUMAN from NCBI database.
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General Annotation
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Gene name:
MAD1L1(MAD1;TXBP181);
Protein name:
Mitotic spindle assembly checkpoint protein MAD1;
Alternative:
Mitotic checkpoint MAD1 protein homolog(HsMAD1;hMAD1);Mitotic arrest deficient 1-like protein 1(MAD1-like protein 1);Tax-binding protein 181;
Organism:
Human (Homo sapiens).
General Annotation
Sub Unit:
Homodimer. Heterodimerizes with MAD2L1 in order to form a tetrameric MAD1L1-MAD2L1 core complex. Perturbation of the original MAD1L1-MAD2L1 structure by the spindle checkpoint may decrease MAD2L1 affinity for MAD1L1. CDC20 can compete with MAD1L1 for MAD2L1 binding, until the attachment and/or tension dampen the checkpoint signal, preventing further release of MAD2L1 on to CDC20. Also able to interact with the BUB1/BUB3 complex and the viral Tax protein. Interacts with TPR and NEK2.
Function:
Component of the spindle-assembly checkpoint that prevents the onset of anaphase until all chromosomes are properly aligned at the metaphase plate. May recruit MAD2L1 to unattached kinetochores. Has a role in the correct positioning of the septum. Required for anchoring MAD2L1 to the nuclear periphery. Binds to the TERT promoter and represses telomerase expression, possibly by interfering with MYC binding.
Subcellular Location:
Nucleus
Chromosome
centromere
kinetochore
Cytoplasm
cytoskeleton
centrosome
Cytoplasm
cytoskeleton
spindle
From the beginning to the end of mitosis, it is seen to move from a diffusely nuclear distribution to the centrosome, to the spindle midzone and finally to the midbody. Co-localizes with NEK2 at the kinetochore.
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Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1);HOMODIMERIZATION;HETEROTETRAMERIZATION;SUBCELLULAR LOCATION;PHOSPHORYLATION;INTERACTION WITH MAD2L1 AND VIRAL TAX
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Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1);PHOSPHORYLATION BY BUB1;INTERACTION WITH BUB1/BUB3 COMPLEX
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Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1);INDUCTION;FUNCTION
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Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 2)
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Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1)
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-428;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-214;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: INTERACTION WITH TPR AND MAD2L1;IDENTIFICATION BY MASS SPECTROMETRY;SUBCELLULAR LOCATION
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Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-16 AND SER-428;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT LYS-61;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: FUNCTION;INTERACTION WITH TPR;SUBCELLULAR LOCATION
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-428;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT MET-1;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT MET-1;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: X-RAY CRYSTALLOGRAPHY (2.05 ANGSTROMS) OF 493-579 IN COMPLEX WITH MAD2L1;COMPETITIVE INHIBITOR OF MAD2L1-CDC20 INTERACTION
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Cited for: VARIANT LUNG CANCER ALA-299;VARIANTS SER-160; MET-500; LYS-511; HIS-556 AND HIS-558
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Cited for: VARIANTS CANCER LEU-29; CYS-59; GLN-360; LYS-516; CYS-556 AND LYS-569;VARIANTS MET-500 AND HIS-558