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Pre-B-cell leukemia homeobox 2

PDB rendering based on 1b72.

Available structures: 1b72, 1b8i, 1du6, 1lfu, 1puf

Identifiers

Symbols PBX2; G17; HOX12; PBX2MHC

External IDs OMIM: 176311 MGI: 1341793 HomoloGene: 48115

Gene ontology

Molecular function: • transcription factor activity
• protein binding
• sequence-specific DNA binding

Cellular component: • nucleus

Biological process: • regulation of transcription, DNA-dependent
• anterior compartment specification
• posterior compartment specification

RNA expression pattern

More reference expression data

Orthologs

Human Mouse

Entrez 5089 18515

Ensembl ENSG00000204304 ENSMUSG00000034673

Uniprot P40425 Q3TMM2

Refseq NM_002586 (mRNA)
NP_002577 (protein) XM_994405 (mRNA)
XP_999499 (protein)

Location Chr 6: 32.26 - 32.27 Mb Chr 17: 34.2 - 34.21 Mb

Pubmed search [1] [2]

Pre-B-cell leukemia homeobox 2, also known as PBX2, is a human gene.^[1]

This gene encodes a ubiquitously expressed member of the TALE/PBX homeobox family. It was identified by its similarity to a homeobox gene which is involved in t(1;19) translocation in acute pre-B-cell leukemias. This protein is a transcriptional activator which binds to the TLX1 promoter. The gene is located within the major histocompatibility complex (MHC) on chromosome 6.^[1]

References

^ ^a ^b "Entrez Gene: PBX2 pre-B-cell leukemia homeobox 2".

Further reading

Monica K, Galili N, Nourse J, et al. (1991). "PBX2 and PBX3, new homeobox genes with extensive homology to the human proto-oncogene PBX1.". Mol. Cell. Biol. 11 (12): 6149–57. PMID 1682799.
Aguado B, Campbell RD (1995). "The novel gene G17, located in the human major histocompatibility complex, encodes PBX2, a homeodomain-containing protein.". Genomics 25 (3): 650–9. PMID 7759099.
Sugaya K, Fukagawa T, Matsumoto K, et al. (1995). "Three genes in the human MHC class III region near the junction with the class II: gene for receptor of advanced glycosylation end products, PBX2 homeobox gene and a notch homolog, human counterpart of mouse mammary tumor gene int-3.". Genomics 23 (2): 408–19. PMID 7835890.
Lu Q, Wright DD, Kamps MP (1994). "Fusion with E2A converts the Pbx1 homeodomain protein into a constitutive transcriptional activator in human leukemias carrying the t(1;19) translocation.". Mol. Cell. Biol. 14 (6): 3938–48. PMID 7910944.
Katsanis N, Fitzgibbon J, Fisher EM (1996). "Paralogy mapping: identification of a region in the human MHC triplicated onto human chromosomes 1 and 9 allows the prediction and isolation of novel PBX and NOTCH loci.". Genomics 35 (1): 101–8. doi:10.1006/geno.1996.0328. PMID 8661110.
Berthelsen J, Zappavigna V, Mavilio F, Blasi F (1998). "Prep1, a novel functional partner of Pbx proteins.". EMBO J. 17 (5): 1423–33. doi:10.1093/emboj/17.5.1423. PMID 9482739.
Shen WF, Rozenfeld S, Kwong A, et al. (1999). "HOXA9 forms triple complexes with PBX2 and MEIS1 in myeloid cells.". Mol. Cell. Biol. 19 (4): 3051–61. PMID 10082572.
Fujino T, Yamazaki Y, Largaespada DA, et al. (2001). "Inhibition of myeloid differentiation by Hoxa9, Hoxb8, and Meis homeobox genes.". Exp. Hematol. 29 (7): 856–63. PMID 11438208.
Brake RL, Kees UR, Watt PM (2002). "A complex containing PBX2 contributes to activation of the proto-oncogene HOX11.". Biochem. Biophys. Res. Commun. 294 (1): 23–34. doi:10.1016/S0006-291X(02)00426-6. PMID 12054735.
Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences.". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMID 12477932.
Okada Y, Nagai R, Sato T, et al. (2004). "Homeodomain proteins MEIS1 and PBXs regulate the lineage-specific transcription of the platelet factor 4 gene.". Blood 101 (12): 4748–56. doi:10.1182/blood-2002-02-0380. PMID 12609849.
Longobardi E, Blasi F (2003). "Overexpression of PREP-1 in F9 teratocarcinoma cells leads to a functionally relevant increase of PBX-2 by preventing its degradation.". J. Biol. Chem. 278 (40): 39235–41. doi:10.1074/jbc.M304704200. PMID 12871956.
Mungall AJ, Palmer SA, Sims SK, et al. (2003). "The DNA sequence and analysis of human chromosome 6.". Nature 425 (6960): 805–11. doi:10.1038/nature02055. PMID 14574404.
Xie T, Rowen L, Aguado B, et al. (2004). "Analysis of the gene-dense major histocompatibility complex class III region and its comparison to mouse.". Genome Res. 13 (12): 2621–36. doi:10.1101/gr.1736803. PMID 14656967.
Lehner B, Semple JI, Brown SE, et al. (2004). "Analysis of a high-throughput yeast two-hybrid system and its use to predict the function of intracellular proteins encoded within the human MHC class III region.". Genomics 83 (1): 153–67. PMID 14667819.
Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMID 15489334.
Rual JF, Venkatesan K, Hao T, et al. (2005). "Towards a proteome-scale map of the human protein-protein interaction network.". Nature 437 (7062): 1173–8. doi:10.1038/nature04209. PMID 16189514.
Kimura K, Wakamatsu A, Suzuki Y, et al. (2006). "Diversification of transcriptional modulation: large-scale identification and characterization of putative alternative promoters of human genes.". Genome Res. 16 (1): 55–65. doi:10.1101/gr.4039406. PMID 16344560.

External links

MeSH PBX2+protein,+human

This article on a gene on chromosome 6 is a stub. You can help Wikipedia by expanding it.

This article incorporates text from the United States National Library of Medicine, which is in the public domain.

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	NFI (A, B, C, X) • SMAD (R-SMAD (1, 2, 3, 5, 9) - I-SMAD (6, 7) - 4)

(1.5) RF-X	RFX (1, 2, 3, 4, 5, ANK)

(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, 3, 4)

(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 • TCF (3, 4) • 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 • NFY (A, B, C) • Rho/Sigma

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