Intracellular receptor

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Intracellular receptors are receptors located inside the cell rather than on its cell membrane. Examples are the class of nuclear receptors located in the cell nucleus and the IP₃ receptor located on the endoplasmic reticulum. The ligands that bind to them are usually intracellular second messengers like inositol trisphosphate (IP₃) and extracellular lipophilic hormones like steroid hormones. Some intracrine peptide hormones also have intracellular receptors.

1 Members
- 1.1 Transcription factors
- 1.2 Various
2 See also
3 External links

Members

Transcription factors

Steroid hormone receptor:
- Sex hormone receptors (sex hormones)
  - Estrogen receptor (α and β)
  - Androgen receptor (one type)
- Vitamin D receptor (vitamin D, one type)
- Glucocorticoid receptor (glucocorticoids, one type)
- Mineralocorticoid receptor (mineralocorticoids, one type)
Thyroid hormone receptor (α and β)
Retinoic acid receptor (vitamin A and related compounds);
Peroxisome proliferator-activated receptors (PPARs, α, γ and δ)
Retinoid X receptor
Farnesoid X receptor
Liver X receptor
Pregnane X receptor
Constitutive androstane receptor

Various

Sigma1 (neurosteroids))
IP₃ receptor (inositol triphosphate, IP₃)

External links

Nuclear Receptor journal homepage
Nuclear receptor resource at Georgetown University
Nuclear receptor signalling atlas (NURSA, open-access journal)

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Transcription factors and intracellular receptors

(1) Basic domains

(1.1) Basic leucine zipper (bZIP)	Activating transcription factor (AATF, 1, 2, 3, 4, 5, 6, 7) • AP-1 (c-Fos, FOSB, FOSL1, FOSL2, c-Jun, JUNB, JUND) • BACH (1, 2) • BATF • BLZF1 • C/EBP (α, β, γ, δ, ε, ζ) • CREB (1, 3, L1) • CREM • DBP • DDIT3 • GABPA • HLF • MAF (B, F, G, K) • NFE (2, L1, L2) • NRL • NRF1 • XBP1

(1.2) Basic helix-loop-helix (bHLH)	ATOH1 • AhR • AHRR • ARNT • ASCL1 • BHLHB2 • BMAL (ARNTL, ARNTL2) • CLOCK • EPAS1 • HAND (1, 2) • HES (5, 6) • HEY (1, 2, L) • HES1 • HIF (1A, 3A) • ID (1, 2, 3, 4) • LYL1 • MXD4 • MYCL1 • MYCN • Myogenic regulatory factors (MyoD, Myogenin, MYF5, MYF6) • Neurogenins • NeuroD (1, 2) • NPAS (1, 2, 3) • OLIG (1, 2) • Scleraxis • TAL1 • Twist • USF1

(1.3) bHLH-ZIP	AP-4 • MAX • MITF • MNT • MLX • MXI1 • Myc • SREBP (1, 2)

(1.4) NF-1	NFIC

(1.5) RF-X	NFX1

(1.6) Basic helix-span-helix (bHSH)	AP-2 (α, β, γ, δ, ε)

(2) Zinc finger DNA-binding domains

(2.1) Nuclear receptor (Cys₄)	subfamily 1 (Thyroid hormone (α, β), CAR, FXR, LXR (α, β), PPAR (α, β/δ, γ), PXR, RAR (α, β, γ), ROR (α, β, γ), Rev-ErbA (α, β), VDR) subfamily 2 (COUP-TF (I, II), Ear-2, HNF4 (α, γ), PNR, RXR (α, β, γ), Testicular receptor (2, 4), TLX) subfamily 3 (Steroid hormone (Androgen, Estrogen (α, β), Glucocorticoid, Mineralocorticoid, Progesterone), Estrogen related (α, β, γ)) subfamily 4 NUR (NGFIB, NOR1, NURR1) • subfamily 5 (LRH-1, SF1) • subfamily 6 (GCNF) • subfamily 0 (DAX1, SHP)

(2.2) Other Cys₄	GATA (1, 2, 3, 4, 5, 6) • MTA (1, 2, 3) • TRPS1

(2.3) Cys₂His₂	General transcription factors (TFIIA, TFIIB, TFIID, TFIIE, TFIIF (1, 2), TFIIH (1, 2, 4, 2I, 3A, 3C1, 3C2)) ATBF1 • BCL (6, 11A, 11B) • CTCF • E4F1 • EGR (2, 3) • ERV3 • GFI1 • GLI-Krüppel family (1, 2, 3, S2, YY1) • HIC (1, 2) • HIVEP (1, 2, 3) • IKZF (1, 2, 3) • ILF (2, 3) • KLF (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 17 ) • MTF1 • MYT1 • OSR1 • SP (1, 2, 4, 7) • Zbtb7 (7A, 7B) • ZBTB (16, 17, 20, 32, 33, 40) • zinc finger (3, 7, 9, 10, 19, 22, 24, 33B, 34, 35, 41, 43, 44, 51, 74, 143, 146, 148, 165, 202, 217, 219, 238, 239, 259, 267, 268, 281, 295, 318, 330, 346, 350, 365, 366, 384, 423, 451, 452, 471, 593, 638, 649, 655)

(2.4) Cys₆	HIVEP1

(2.5) Alternating composition	AIRE • DIDO1 • GRLF1 • ING (1, 2, 4) • JARID (1A, 1B, 1C, 1D, 2) • JMJD1B

(3) Helix-turn-helix domains

(3.1) Homeo domain	ARX • CDX (1, 2) • CRX • CUTL1 • DLX (3, 4, 5) • EMX2 • EN (1, 2) • FHL (1, 2, 3) • HESX1 • HHEX • HLX • Homeobox (A1, A3, A4, A5, A7, A9, A10, A11, A13, B1, B2, B3, B4, B5, B6, B7, B8, B9, B13, C4, C5, C6, C8, C9, C10, C11, C13, D1, D3, D4, D8, D9, D10, D11, D12, D13) • HOPX • MEIS (1, 2) • MEOX2 • MNX1 • MSX (1, 2) • NANOG • NKX (2-1, 2-2, 2-3, 2-5, 3-1, 3-2) • PBX (1, 2, 3) • PHF (1, 3, 6, 8, 10, 16, 17, 20, 21A) • PITX (1, 2, 3) • POU domain (PIT-1, BRN-3: A, B, C, Octamer transcription factor: 1, 2, 3/4, 6, 7, 11) • OTX (1, 2) • PDX1

(3.2) Paired box	PAX (1, 2, 3, 4, 5, 6, 7, 8, 9)

(3.3) Fork head / winged helix	E2F (1, 2, 3, 4, 5) • FOX proteins (C1, C2, E1, G1, H1, K2, L2, M1, N3, O1A, O3A, O4, P1, P2, P3)

(3.4) Heat Shock Factors	HSF (1, 2, 4)

(3.5) Tryptophan clusters	ELF (4, 5) • EGF • ELK (1, 3, 4) • ERF • ERG • ETS (1, 2, SPIB) • ETV (1, 4, 5, 6) • FLI1 • Interferon regulatory factors (1, 2, 3, 4, 5, 6, 7, 8) • MYB • MYBL2

(3.6) TEA domain	transcriptional enhancer factor 1, 2

(4) β-Scaffold factors with minor groove contacts

(4.1) Rel homology region	NF-κB (NFKB1, NFKB2, REL, RELA, RELB) • NFAT (C1, C2, C3, C4, 5)

(4.2) STAT	STAT (1, 2, 3, 4, 5, 6)

(4.3) p53	p53 • TBX (1, 2, 3, 5, 19, 21, 22)

(4.4) MADS box	Mef2 (A, B, C, D) • SRF

(4.6) TATA binding proteins	TBP • TBPL1

(4.7) High mobility group	HMGB (1, 2, 3) • HNF (1A, 1B) • LEF1 • SOX (2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 18, 21) • SRY • SSRP1 • TOX (1, 2, 3, 4)

(4.10) Cold-shock domain	CSDA, YBX1

(4.11) Runt	CBF (CBFA2T2, CBFA2T3, RUNX1, RUNX2, RUNX3, RUNX1T1)

(0) Other transcription factors

(0.2) HMGI(Y)	HMGA (1, 2) • HBP1

(0.3) Pocket domain	Rb • RBL1 • RBL2

(0.5) AP-2/EREBP-related factors	Apetala 2 • EREBP • B3

(0.6) Miscellaneous	ARID (1A, 1B, 2, 3A, 3B, 4A) • CAP • IFI (16, 35) • MLL (2, 3, T1) • MNDA • NFI (A, B, C, X) • NFY (A, B, C) • Rho/Sigma • R-SMAD

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Cell signaling

Key concepts

Signal transduction - Apoptosis - Second messenger system (Ca²⁺ signaling, Lipid signaling)

Processes

Paracrine - Autocrine - Juxtacrine - Neurotransmitters - Endocrine (Neuroendocrine)

Signaling pathways

Hedgehog signaling pathway - Wnt signaling pathway - TGF beta signaling pathway - MAPK/ERK pathway - Notch signaling pathway - JAK-STAT signaling pathway - cAMP dependent pathway - Akt/PKB signaling pathway - Fas apoptosis signaling pathway

Agents

Receptor ligands	Hormones - Neurotransmitters - Cytokines - Growth factors

Receptor	Transmembrane - Intracellular

Transcription factor	General - Preinitiation complex - TFIID, TFIIH

Other	Adaptor protein

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This page was last modified on 17 November 2007, at 13:18.

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