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Timopoetin

TMPO
Dostupne strukture
PDBPretraga ortologa: PDBe RCSB
Spisak PDB ID kodova

1GJJ, 1H9F, 1H9E

Identifikatori
AliasiTMPO
Vanjski ID-jeviOMIM: 188380 MGI: 106920 HomoloGene: 31144 GeneCards: TMPO
Lokacija gena (čovjek)
Hromosom 12 (čovjek)
Hrom.Hromosom 12 (čovjek)[1]
Hromosom 12 (čovjek)
Genomska lokacija za TMPO
Genomska lokacija za TMPO
Bend12q23.1Početak98,515,579 bp[1]
Kraj98,550,351 bp[1]
Lokacija gena (miš)
Hromosom 10 (miš)
Hrom.Hromosom 10 (miš)[2]
Hromosom 10 (miš)
Genomska lokacija za TMPO
Genomska lokacija za TMPO
Bend10 C2|10 45.66 cMPočetak90,983,433 bp[2]
Kraj91,017,177 bp[2]
Obrazac RNK ekspresije




Više referentnih podataka o ekspresiji
Ontologija gena
Molekularna funkcija vezivanje sa DNK
lamin binding
cadherin binding
GO:0001948, GO:0016582 vezivanje za proteine
Ćelijska komponenta Hromatin
nuclear envelope
jedro
hromosom
citoplazma
integral component of membrane
nuclear inner membrane
Jedarna membrana
membrana
Biološki proces GO:0009373 regulation of transcription, DNA-templated
Izvori:Amigo / QuickGO
Ortolozi
VrsteČovjekMiš
Entrez
Ensembl
UniProt
RefSeq (mRNK)

NM_001032283
NM_001032284
NM_001307975
NM_003276

NM_001080129
NM_001080130
NM_001080131
NM_001080132
NM_001080134

NM_011605
NM_001283048

RefSeq (bjelančevina)
NP_001027454
NP_001027455
NP_001294904
NP_003267
NP_001027454.1

NP_001027455.1
NP_001294904.1
NP_001027454.1

NP_001073598
NP_001073599
NP_001073600
NP_001073601
NP_001269977

NP_035735
NP_035735.2

Lokacija (UCSC)Chr 12: 98.52 – 98.55 MbChr 10: 90.98 – 91.02 Mb
PubMed pretraga[3][4]
Wikipodaci
Pogledaj/uredi – čovjekPogledaj/uredi – miš

Timopoetin je protein uključen u indukciju CD90 u timusu. Gen timopoetina (TMPO) kodira tri alternativno prerađene iRNK koje kodiraju proteine od 75 kDa (alfa), 51 kDa (beta) i 39 kDa (gama) koji se sveprisutno ispoljavaju u svim ćelijama. Ljudski gen TMPO nalazi se na hromosomskoj poziciji 12q22 i sastoji se od osam egzona.

Gen TMPO, kod ljudi kodira polipeptid 2 povezan sa laminom (LAP2), izoforme beta/ gama.[5][6] LAP2 je protein unutrašnje jedarne membrane (IN).[7]

TMPO alfa prisutan je difuzno eksprimiran u ćelijskoom jedru, dok su TMPO beta i gama lokalizirani u jedarnoj membrani. TMPO beta je ljudski homolog mišjeg proteina LAP2. LAP2 igra ulogu u regulaciji jedarne arhitekture vezanjem lamina B1 i hromosome. Ova interakcija je regulirana fosforilacijom tokom mitoze. S obzirom na jedarnu lokalizaciju tri izoforme TMPO, malo je vjerojatno da ovi proteini imaju bilo kakvu ulogu u indukciji CD90.

U timusu nastaje nekoliko tvari s hormonskim djelovanjem, od kojih su poznatiji timozini i timopoetin, ali njihova funkcija još nije posve razjašnjena.Misli se da te tvari vjerojatno reguliraju mnogobrojne fiziološke procese, kao što su diferencijacija timocita, regulacija funkcije limfocita u perifernim limfnim organima, djelovanje na nervni i endokrini sistem, obnavljanje oštećenih krvnih sudova.

Interakcije

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Pokazano je da timopoetin međureagira sa Brijerom za faktor integracije 1,[8] AKAP8L,[9][10] LMNB1[11][12] and LMNA.[13][14]

Reference

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  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000120802 - Ensembl, maj 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000019961 - Ensembl, maj 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. ^ Harris CA, Andryuk PJ, Cline S, Chan HK, Natarajan A, Siekierka JJ, Goldstein G (Jul 1994). "Three distinct human thymopoietins are derived from alternatively spliced mRNAs". Proceedings of the National Academy of Sciences of the United States of America. 91 (14): 6283–7. doi:10.1073/pnas.91.14.6283. PMC 44185. PMID 7517549.
  6. ^ "Entrez Gene: TMPO thymopoietin".
  7. ^ Holmer L, Worman HJ (Nov 2001). "Inner nuclear membrane proteins: functions and targeting". Cellular and Molecular Life Sciences. 58 (12–13): 1741–7. doi:10.1007/PL00000813. PMID 11766875.
  8. ^ Furukawa K (Aug 1999). "LAP2 binding protein 1 (L2BP1/BAF) is a candidate mediator of LAP2-chromatin interaction". Journal of Cell Science. 112 ( Pt 15) (15): 2485–92. PMID 10393804.
  9. ^ Martins SB, Eide T, Steen RL, Jahnsen T, Skålhegg BS, Collas P (Nov 2000). "HA95 is a protein of the chromatin and nuclear matrix regulating nuclear envelope dynamics". Journal of Cell Science. 113 Pt 21 (21): 3703–13. PMID 11034899.
  10. ^ Martins S, Eikvar S, Furukawa K, Collas P (Jan 2003). "HA95 and LAP2 beta mediate a novel chromatin-nuclear envelope interaction implicated in initiation of DNA replication". The Journal of Cell Biology. 160 (2): 177–88. doi:10.1083/jcb.200210026. PMC 2172640. PMID 12538639.
  11. ^ Furukawa K, Kondo T (Feb 1998). "Identification of the lamina-associated-polypeptide-2-binding domain of B-type lamin". European Journal of Biochemistry / FEBS. 251 (3): 729–33. doi:10.1046/j.1432-1327.1998.2510729.x. PMID 9490046.
  12. ^ Foisner R, Gerace L (Jul 1993). "Integral membrane proteins of the nuclear envelope interact with lamins and chromosomes, and binding is modulated by mitotic phosphorylation". Cell. 73 (7): 1267–79. doi:10.1016/0092-8674(93)90355-T. PMID 8324822.
  13. ^ Markiewicz E, Dechat T, Foisner R, Quinlan RA, Hutchison CJ (Dec 2002). "Lamin A/C binding protein LAP2alpha is required for nuclear anchorage of retinoblastoma protein". Molecular Biology of the Cell. 13 (12): 4401–13. doi:10.1091/mbc.E02-07-0450. PMC 138642. PMID 12475961.
  14. ^ Dechat T, Korbei B, Vaughan OA, Vlcek S, Hutchison CJ, Foisner R (Oct 2000). "Lamina-associated polypeptide 2alpha binds intranuclear A-type lamins". Journal of Cell Science. 113 Pt 19 (19): 3473–84. PMID 10984438.

Dopunska literatura

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Vanjski linkovi

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Timopoetin
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