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- Table of Contents
2 Citations
Facts about Structural maintenance of chromosomes protein 1A.
The cohesin complex apparently forms a large proteinaceous ring within which sister chromatids can be trapped. In anaphase, the complex is cleaved and dissociates from chromatin, allowing sister chromatids to segregate.
Human | |
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Gene Name: | SMC1A |
Uniprot: | Q14683 |
Entrez: | 8243 |
Belongs to: |
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SMC family |
CDLS2; DXS423ESMC1 structural maintenance of chromosomes 1-like 1 (yeast); KIAA0178DKFZp686L19178; SB1.8; SB1.8MGC138332; segregation of mitotic chromosomes 1; SMC protein 1A; SMC1 (structural maintenance of chromosomes 1, yeast)-like 1; SMC1 structural maintenance of chromosomes 1-like 1; SMC1; SMC1A; SMC-1A; SMC-1-alpha; SMC1L1; SMC1SMC1alpha; Smcb; structural maintenance of chromosomes 1A; structural maintenance of chromosomes protein 1A
Mass (kDA):
143.233 kDA
Human | |
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Location: | Xp11.22 |
Sequence: | X; NC_000023.11 (53374149..53422728, complement) |
Nucleus. Chromosome. Chromosome, centromere, kinetochore. Associates with chromatin. Before prophase it is scattered along chromosome arms. During prophase, most of cohesin complexes dissociate from chromatin probably because of phosphorylation by PLK, except at centromeres, where cohesin complexes remain. At anaphase, the RAD21 subunit of the cohesin complex is cleaved, leading to the dissociation of the complex from chromosomes, allowing chromosome separation. In germ cells, cohesin complex dissociates from chromatin at prophase I, and may be replaced by a meiosis-specific cohesin complex. T
PMID: 7757074 by Rocques P.J., et al. The human SB1.8 gene (DXS423E) encodes a putative chromosome segregation protein conserved in lower eukaryotes and prokaryotes.
PMID: 11877377 by Yazdi P.T., et al. SMC1 is a downstream effector in the ATM/NBS1 branch of the human S- phase checkpoint.
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