Reviewed,
UniProtKB/Swiss-Prot Q562F6 (SGOL2_HUMAN)
Last modified
February 9, 2010.
Version 57.
History...
Clusters with 100%,
90%,
50% identity |
Documents (5) |
Third-party data |
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Names and origin
| Protein names | Recommended name: Shugoshin-like 2 Alternative name(s): Shugoshin-2 Short name=Sgo2 Tripin | ||
| Gene names |
| ||
| Organism | Homo sapiens (Human) [Complete proteome] | ||
| Taxonomic identifier | 9606 [NCBI] | ||
| Taxonomic lineage | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo |
Protein attributes
| Sequence length | 1265 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at protein level. |
General annotation (Comments)
| Function | Cooperates with PPP2CA to protect centromeric cohesin from separase-mediated cleavage in oocytes specifically during meiosis I. Has a crucial role in protecting REC8 at centromeres from cleavage by separase. During meiosis, protects centromeric cohesion complexes until metaphase II/anaphase II transition, preventing premature release of meiosis-specific REC8 cohesin complexes from anaphase I centromeres. Is thus essential for an accurate gametogenesis. May act by targeting PPP2CA to centromeres, thus leading to cohesin dephosphorylation By similarity. Essential for recruiting KIF2C to the inner centromere and for correcting defective kinetochore attachments. |
| Subunit structure | Directly interacts with PPP2CA. Ref.5 |
| Subcellular location | Nucleus. Centromere. Kinetochore By similarity. Note: During meiosis I, accumulates at centromeres during diplotene, and co-localizes differentially with the cohesin subunits RAD21 and REC8 at metaphase I centromeres. SGO2 and RAD21 change their relative distributions during telophase I when sister-kinetochore association is lost. During meiosis II, it shows a striking tension-dependent redistribution within centromeres throughout chromosome congression during prometaphase II, as it does during mitosis By similarity. In Hela cells, localizes at centromeres throughout prophase until metaphase and disappears at anaphase. Centromeric localization requires the presence of BUB1 and AUKRB. |
| Post-translational modification | Phosphorylated upon DNA damage, probably by ATM or ATR. Ref.6 Ref.8 Ref.9 Ref.10 |
| Miscellaneous | Shugoshin is Japanese for guardian spirit (as it is known to be a protector of centromeric cohesin). |
| Sequence similarities | Belongs to the shugoshin family. |
| Sequence caution | The sequence AAH35764.1 differs from that shown. Reason: Miscellaneous discrepancy. Contaminating sequence. Potential poly-A sequence. The sequence BAC04524.1 differs from that shown. Reason: Frameshift at position 649. |
Ontologies
| Keywords | |
|---|---|
| Biological process | Cell cycle Cell division Chromosome partition Meiosis |
| Cellular component | Centromere Kinetochore Nucleus |
| Coding sequence diversity | Alternative splicing Polymorphism |
| Domain | Coiled coil |
| PTM | Phosphoprotein |
| Technical term | Complete proteome |
| Gene Ontology (GO) | |
| Biological process | cell division Inferred from electronic annotation. Source: UniProtKB-KW |
| Cellular component | mitotic cohesin complex Inferred from direct assay. Source: MGI |
| Molecular function | protein binding Ref.5 Ref.7 Inferred from physical interaction. Source: UniProtKB |
| Complete GO annotation... | |
Binary interactions
With | Entry | #Exp. | IntAct | Notes |
|---|---|---|---|---|
| PPM1A | P35813 | 1 | EBI-989213,EBI-989143 | |
| PPP2CA | P67775 | 1 | EBI-989213,EBI-712311 | |
| TUSC2 | O75896 | 1 | EBI-989213,EBI-1052725 |
Alternative products
| This entry describes 3 isoforms produced by alternative splicing. [Align] [Select] | ||||||
| Isoform 1 (identifier: Q562F6-1) This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry. | ||||||
| Isoform 2 (identifier: Q562F6-2) The sequence of this isoform differs from the canonical sequence as follows: 1261-1265: DKMRR → E | ||||||
| Note: No experimental confirmation available. | ||||||
| Isoform 3 (identifier: Q562F6-3) The sequence of this isoform differs from the canonical sequence as follows: 235-247: ESHSHSDQSSKTS → GEIVLKIHFEYLY 248-1265: Missing. | ||||||
| Note: No experimental confirmation available. |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 1265 | 1265 | Shugoshin-like 2 | PRO_0000055439 | |||||
Regions | |||||||||
| Coiled coil | 69 – 116 | 48 | Potential | ||||||
| Coiled coil | 452 – 476 | 25 | Potential | ||||||
| Coiled coil | 603 – 626 | 24 | Potential | ||||||
Amino acid modifications | |||||||||
| Modified residue | 266 | 1 | Phosphoserine Ref.6 | ||||||
| Modified residue | 421 | 1 | Phosphoserine Ref.9 | ||||||
| Modified residue | 497 | 1 | Phosphothreonine Ref.9 | ||||||
| Modified residue | 507 | 1 | Phosphoserine Ref.8 | ||||||
| Modified residue | 845 | 1 | Phosphothreonine Ref.6 | ||||||
| Modified residue | 1144 | 1 | Phosphoserine Ref.10 | ||||||
| Modified residue | 1150 | 1 | Phosphoserine Ref.10 | ||||||
| Modified residue | 1151 | 1 | Phosphoserine Ref.10 | ||||||
Natural variations | |||||||||
| Alternative sequence | 235 – 247 | 13 | ESHSH…SSKTS → GEIVLKIHFEYLY in isoform 3. | VSP_016798 | |||||
| Alternative sequence | 248 – 1265 | 1018 | Missing in isoform 3. | VSP_016799 | |||||
| Alternative sequence | 1261 – 1265 | 5 | DKMRR → E in isoform 2. | VSP_016800 | |||||
| Natural variant | 9 | 1 | G → D: dbSNP rs1036533. Ref.4 | VAR_024784 | |||||
| Natural variant | 343 | 1 | E → A: dbSNP rs13417812. | VAR_057178 | |||||
| Natural variant | 496 | 1 | I → V: dbSNP rs17448235. Ref.1 | VAR_024785 | |||||
| Natural variant | 660 | 1 | N → S: dbSNP rs17532665. Ref.1 | VAR_057179 | |||||
| Natural variant | 1099 | 1 | I → T: dbSNP rs11896759. | VAR_057180 | |||||
| Natural variant | 1143 | 1 | H → R: dbSNP rs16833776. | VAR_057181 | |||||
Experimental info | |||||||||
| Sequence conflict | 193 | 1 | S → R in AAM21971. Ref.1 | ||||||
| Sequence conflict | 205 | 1 | E → G in AAM21971. Ref.1 | ||||||
| Sequence conflict | 215 | 1 | N → H in AAM21971. Ref.1 | ||||||
| Sequence conflict | 450 – 451 | 2 | FI → LF in AAM21971. Ref.1 | ||||||
| Sequence conflict | 1243 | 1 | T → A in BAB71617. Ref.2 | ||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Cloning and characterization of TRIPIN: an inhibitor of TRIP function on TRAF2 mediated activation of NF-kB." Oliveira V., Fiorentino L., Chan H., Matsuzawa S., Chu Z., Saraiva M.J., Reed J.C. Submitted (APR-2002) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1), VARIANTS VAL-496 AND SER-660. |
| [2] | "Complete sequencing and characterization of 21,243 full-length human cDNAs." Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S. Sugano S.Nat. Genet. 36:40-45(2004) [PubMed: 14702039] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 2), NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 698-1265 (ISOFORM 1). |
| [3] | "Generation and annotation of the DNA sequences of human chromosomes 2 and 4." Hillier L.W., Graves T.A., Fulton R.S., Fulton L.A., Pepin K.H., Minx P., Wagner-McPherson C., Layman D., Wylie K., Sekhon M., Becker M.C., Fewell G.A., Delehaunty K.D., Miner T.L., Nash W.E., Kremitzki C., Oddy L., Du H. Wilson R.K.Nature 434:724-731(2005) [PubMed: 15815621] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. |
| [4] | "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)." The MGC Project Team Genome Res. 14:2121-2127(2004) [PubMed: 15489334] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORMS 1 AND 3), VARIANT ASP-9. Tissue: Lymph, Testis and Uterus. |
| [5] | "Shugoshin collaborates with protein phosphatase 2A to protect cohesin." Kitajima T.S., Sakuno T., Ishiguro K., Iemura S., Natsume T., Kawashima S.A., Watanabe Y. Nature 441:46-52(2006) [PubMed: 16541025] [Abstract] Cited for: FUNCTION, SUBCELLULAR LOCATION, INTERACTION WITH PPP2CA. |
| [6] | "Phosphoproteome analysis of the human mitotic spindle." Nousiainen M., Sillje H.H.W., Sauer G., Nigg E.A., Koerner R. Proc. Natl. Acad. Sci. U.S.A. 103:5391-5396(2006) [PubMed: 16565220] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-266 AND THR-845, MASS SPECTROMETRY. Tissue: Epithelium. |
| [7] | "Tripin/hSgo2 recruits MCAK to the inner centromere to correct defective kinetochore attachments." Huang H., Feng J., Famulski J., Rattner J.B., Liu S.T., Kao G.D., Muschel R., Chan G.K., Yen T.J. J. Cell Biol. 177:413-424(2007) [PubMed: 17485487] [Abstract] Cited for: FUNCTION, SUBCELLULAR LOCATION, INTERACTION WITH PPP2CA. |
| [8] | "ATM and ATR substrate analysis reveals extensive protein networks responsive to DNA damage." Matsuoka S., Ballif B.A., Smogorzewska A., McDonald E.R. III, Hurov K.E., Luo J., Bakalarski C.E., Zhao Z., Solimini N., Lerenthal Y., Shiloh Y., Gygi S.P., Elledge S.J. Science 316:1160-1166(2007) [PubMed: 17525332] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-507, MASS SPECTROMETRY. |
| [9] | "Evaluation of the low-specificity protease elastase for large-scale phosphoproteome analysis." Wang B., Malik R., Nigg E.A., Korner R. Anal. Chem. 80:9526-9533(2008) [PubMed: 19007248] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-421 AND THR-497, MASS SPECTROMETRY. |
| [10] | "A quantitative atlas of mitotic phosphorylation." Dephoure N., Zhou C., Villen J., Beausoleil S.A., Bakalarski C.E., Elledge S.J., Gygi S.P. Proc. Natl. Acad. Sci. U.S.A. 105:10762-10767(2008) [PubMed: 18669648] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-1144; SER-1150 AND SER-1151, MASS SPECTROMETRY. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AY094614 mRNA. Translation: AAM21971.1. AK057940 mRNA. Translation: BAB71617.1. Different initiation. AK095291 mRNA. Translation: BAC04524.1. Frameshift. AC012459 Genomic DNA. Translation: AAY24310.1. AC080164 Genomic DNA. Translation: AAY24264.1. BC035764 mRNA. Translation: AAH35764.1. Sequence problems. BC048349 mRNA. Translation: AAH48349.1. BC092412 mRNA. Translation: AAH92412.1. |
| IPI | IPI00218013. IPI00395828. IPI00657858. |
| RefSeq | NP_001153518.1. NP_689737.4. |
| UniGene | Hs.655182 |
3D structure databases | |
| ModBase | Search... |
Protein-protein interaction databases | |
| IntAct | Q562F6. 10 interactions. |
| STRING | Q562F6. |
PTM databases | |
| PhosphoSite | Q562F6. |
Proteomic databases | |
| PRIDE | Q562F6. |
Genome annotation databases | |
| Ensembl | ENST00000357799; ENSP00000350447; ENSG00000163535; Homo sapiens. [Genome view] |
| GeneID | 151246. |
| UCSC | uc002uvv.2. human. uc002uvw.1. human. |
Organism-specific databases | |
| CTD | 151246. |
| GeneCards | GC02P201099. |
| HGNC | HGNC:30812. SGOL2. |
| MIM | 612425. gene. |
| PharmGKB | PA134901462. |
| GenAtlas | Search... |
Phylogenomic databases | |
| eggNOG | prNOG16739. |
| HOVERGEN | Q562F6. |
| InParanoid | Q562F6. |
| OMA | ITAIEMS. |
| OrthoDB | EOG97Q0RG. |
Enzyme and pathway databases | |
| Reactome | REACT_152. Cell Cycle, Mitotic. |
Gene expression databases | |
| ArrayExpress | Q562F6. |
| Bgee | Q562F6. |
| CleanEx | HS_SGOL2. |
| Genevestigator | Q562F6. |
| GermOnline | ENSG00000163535. Homo sapiens. |
Family and domain databases | |
| ProtoNet | Search... |
Other Resources | |
| NextBio | 86645. |
| SOURCE | Search... |
Entry information
| Entry name | SGOL2_HUMAN | ||||||||
| Accession | Primary (citable) accession number: Q562F6 Secondary accession number(s): Q53RR9 Q96LQ3 | ||||||||
| Entry history |
| ||||||||
| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation project | HPI (Human Proteome Initiative) | ||||||||
| Disclaimer | Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. | ||||||||
Relevant documents
| Human chromosome 2 Human chromosome 2: entries, gene names and cross-references to MIM |
| Human entries with polymorphisms or disease mutations List of human entries with polymorphisms or disease mutations |
| Human polymorphisms and disease mutations Index of human polymorphisms and disease mutations |
| MIM cross-references Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot |
| SIMILARITY comments Index of protein domains and families |

Clusters with


