890
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| Millennium: | 1st millennium |
|---|---|
| Centuries: | 8th century – 9th century – 10th century |
| Decades: | 860s 870s 880s – 890s – 900s 910s 920s |
| Years: | 887 888 889 – 890 – 891 892 893 |
| 890 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 890 DCCCXC |
| Ab urbe condita | 1643 |
| Armenian calendar | 339 ԹՎ ՅԼԹ |
| Bahá'í calendar | -954 – -953 |
| Berber calendar | 1840 |
| Buddhist calendar | 1434 |
| Burmese calendar | 252 |
| Byzantine calendar | 6398 – 6399 |
| Chinese calendar | 己酉年十二月初七日 (3526/3586-12-7) — to —
庚戌年十一月十六日(3527/3587-11-16) |
| Coptic calendar | 606 – 607 |
| Ethiopian calendar | 882 – 883 |
| Hebrew calendar | 4650 – 4651 |
| Hindu calendars | |
| - Vikram Samvat | 945 – 946 |
| - Shaka Samvat | 812 – 813 |
| - Kali Yuga | 3991 – 3992 |
| Holocene calendar | 10890 |
| Iranian calendar | 268 – 269 |
| Islamic calendar | 276 – 277 |
| Japanese calendar | |
| Korean calendar | 3223 |
| Thai solar calendar | 1433 |
[edit] Events
[edit] By place
[edit] Europe
- The sovereignty of Great Moravian king Svatopluk I in Bohemia is confirmed.
- Lusatia becomes a part of Great Moravia.
- The Welsh king Anarawd, King of Gwynedd, makes the first ceremonial visit to an English court (that of Alfred the Great).
- Kirby Muxloe is founded (approximate date).
- Ottar from Hålogaland meets King Alfred the Great, who writes down his story.
- The Maya Indians write the first book in the Americas
[edit] Births
- Saint Ulrich of Augsburg, German bishop
- Marozia of the Rule of the Harlots (otherwise known as The Pornocracy)
- Olga of Kiev, princess of Russia (approximate date)
[edit] Deaths
[edit] Summary
The protein encoded by this gene belongs to the highly conserved cyclin family, whose members are characterized by a dramatic periodicity in protein abundance through the cell cycle. Cyclins function as regulators of CDK kinases. Different cyclins exhibit distinct expression and degradation patterns which contribute to the temporal coordination of each mitotic event. In contrast to cyclin A1, which is present only in germ cells, this cyclin is expressed in all tissues tested. This cyclin binds and activates CDC2 or CDK2 kinases, and thus promotes both cell cycle G1/S and G2/M transitions. [provided by RefSeq]
