PBX1

PBX1
Available structures PDB Ortholog search: PDBe RCSB List of PDB id codes 1B72, 1PUF
Identifiers
Aliases	PBX1
External IDs	MGI: 97495 HomoloGene: 20574 GeneCards: PBX1
Genetically Related Diseases
breast cancer
Gene ontology Molecular function • sequence-specific DNA binding • RNA polymerase II core promoter proximal region sequence-specific DNA binding • protein heterodimerization activity • transcription factor activity, sequence-specific DNA binding • DNA binding • transcriptional activator activity, RNA polymerase II core promoter proximal region sequence-specific binding • transcription factor binding • protein binding Cellular component • cytoplasm • nucleus • transcription factor complex • nucleoplasm Biological process • anterior/posterior pattern specification • proximal/distal pattern formation • positive regulation of G2/M transition of mitotic cell cycle • embryonic organ development • embryonic hemopoiesis • negative regulation of sequence-specific DNA binding transcription factor activity • transcription, DNA-templated • sex differentiation • multicellular organism development • embryonic limb morphogenesis • somatic stem cell population maintenance • regulation of cell proliferation • adrenal gland development • spleen development • thymus development • positive regulation of cell proliferation • urogenital system development • regulation of transcription, DNA-templated • regulation of ossification • positive regulation of transcription from RNA polymerase II promoter • transcription from RNA polymerase II promoter • negative regulation of neuron differentiation • embryonic skeletal system development • branching involved in ureteric bud morphogenesis • steroid biosynthetic process • cell differentiation • animal organ morphogenesis Sources:Amigo / QuickGO
RNA expression pattern
More reference expression data
Orthologs
Species	Human	Mouse
Entrez	5087	18514
Ensembl	ENSG00000185630	ENSMUSG00000052534
UniProt	P40424	P41778
RefSeq (mRNA)	NM_001204961 NM_001204963 NM_002585	NM_001291508 NM_001291509 NM_008783 NM_183355
RefSeq (protein)	NP_001191890 NP_001191892 NP_002576	NP_001278437.1 NP_032809.1 NP_899198.1 NP_001278437 NP_001278438 NP_032809 NP_899198
Location (UCSC)	Chr 1: 164.56 – 164.9 Mb	Chr 1: 168.12 – 168.43 Mb
PubMed search
Wikidata
View/Edit Human		View/Edit Mouse

Pre-B-cell leukemia transcription factor 1 is a protein that in humans is encoded by the PBX1 gene.

Interactions

PBX1 has been shown to interact with:

• HOXB1,
• HOXB7,
• MEIS1, and
• Prep1.

Further reading

• Sanyal M, Tung JW, Karsunky H, Zeng H, Selleri L, Weissman IL, Herzenberg LA, Cleary ML (May 2007). "B-cell development fails in the absence of the Pbx1 proto-oncogene". Blood. 109 (10): 4191–9. doi:10.1182/blood-2006-10-054213. PMC 1885499. PMID 17244677. 
• Hui H, Perfetti R (Feb 2002). "Pancreas duodenum homeobox-1 regulates pancreas development during embryogenesis and islet cell function in adulthood". European Journal of Endocrinology / European Federation of Endocrine Societies. 146 (2): 129–41. doi:10.1530/eje.0.1460129. PMID 11834421. 
• Hunger SP, Galili N, Carroll AJ, Crist WM, Link MP, Cleary ML (Feb 1991). "The t(1;19)(q23;p13) results in consistent fusion of E2A and PBX1 coding sequences in acute lymphoblastic leukemias". Blood. 77 (4): 687–93. PMID 1671560. 
• Monica K, Galili N, Nourse J, Saltman D, Cleary ML (Dec 1991). "PBX2 and PBX3, new homeobox genes with extensive homology to the human proto-oncogene PBX1". Molecular and Cellular Biology. 11 (12): 6149–57. doi:10.1128/mcb.11.12.6149. PMC 361792. PMID 1682799. 
• Nourse J, Mellentin JD, Galili N, Wilkinson J, Stanbridge E, Smith SD, Cleary ML (Feb 1990). "Chromosomal translocation t(1;19) results in synthesis of a homeobox fusion mRNA that codes for a potential chimeric transcription factor". Cell. 60 (4): 535–45. doi:10.1016/0092-8674(90)90657-Z. PMID 1967982. 
• Kamps MP, Murre C, Sun XH, Baltimore D (Feb 1990). "A new homeobox gene contributes the DNA binding domain of the t(1;19) translocation protein in pre-B ALL". Cell. 60 (4): 547–55. doi:10.1016/0092-8674(90)90658-2. PMID 1967983. 
• Lu Q, Wright DD, Kamps MP (Jun 1994). "Fusion with E2A converts the Pbx1 homeodomain protein into a constitutive transcriptional activator in human leukemias carrying the t(1;19) translocation". Molecular and Cellular Biology. 14 (6): 3938–48. doi:10.1128/mcb.14.6.3938. PMC 358760. PMID 7910944. 
• Van Dijk MA, Voorhoeve PM, Murre C (Jul 1993). "Pbx1 is converted into a transcriptional activator upon acquiring the N-terminal region of E2A in pre-B-cell acute lymphoblastoid leukemia". Proceedings of the National Academy of Sciences of the United States of America. 90 (13): 6061–5. doi:10.1073/pnas.90.13.6061. PMC 46867. PMID 8327485. 
• Lu Q, Kamps MP (Apr 1996). "Structural determinants within Pbx1 that mediate cooperative DNA binding with pentapeptide-containing Hox proteins: proposal for a model of a Pbx1-Hox-DNA complex". Molecular and Cellular Biology. 16 (4): 1632–40. doi:10.1128/mcb.16.4.1632. PMC 231149. PMID 8657138. 
• Berthelsen J, Zappavigna V, Mavilio F, Blasi F (Mar 1998). "Prep1, a novel functional partner of Pbx proteins". The EMBO Journal. 17 (5): 1423–33. doi:10.1093/emboj/17.5.1423. PMC 1170490. PMID 9482739. 
• Berthelsen J, Zappavigna V, Ferretti E, Mavilio F, Blasi F (Mar 1998). "The novel homeoprotein Prep1 modulates Pbx-Hox protein cooperativity". The EMBO Journal. 17 (5): 1434–45. doi:10.1093/emboj/17.5.1434. PMC 1170491. PMID 9482740. 
• Piper DE, Batchelor AH, Chang CP, Cleary ML, Wolberger C (Feb 1999). "Structure of a HoxB1-Pbx1 heterodimer bound to DNA: role of the hexapeptide and a fourth homeodomain helix in complex formation". Cell. 96 (4): 587–97. doi:10.1016/S0092-8674(00)80662-5. PMID 10052460. 
• Shen WF, Rozenfeld S, Kwong A, Köm ves LG, Lawrence HJ, Largman C (Apr 1999). "HOXA9 forms triple complexes with PBX2 and MEIS1 in myeloid cells". Molecular and Cellular Biology. 19 (4): 3051–61. PMC 84099. PMID 10082572. 
• Jacobs Y, Schnabel CA, Cleary ML (Jul 1999). "Trimeric association of Hox and TALE homeodomain proteins mediates Hoxb2 hindbrain enhancer activity". Molecular and Cellular Biology. 19 (7): 5134–42. PMC 84356. PMID 10373562. 
• Knoepfler PS, Bergstrom DA, Uetsuki T, Dac-Korytko I, Sun YH, Wright WE, Tapscott SJ, Kamps MP (Sep 1999). "A conserved motif N-terminal to the DNA-binding domains of myogenic bHLH transcription factors mediates cooperative DNA binding with pbx-Meis1/Prep1". Nucleic Acids Research. 27 (18): 3752–61. doi:10.1093/nar/27.18.3752. PMC 148632. PMID 10471746. 
• McWhirter JR, Neuteboom ST, Wancewicz EV, Monia BP, Downing JR, Murre C (Sep 1999). "Oncogenic homeodomain transcription factor E2A-Pbx1 activates a novel WNT gene in pre-B acute lymphoblastoid leukemia". Proceedings of the National Academy of Sciences of the United States of America. 96 (20): 11464–9. doi:10.1073/pnas.96.20.11464. PMC 18056. PMID 10500199. 
• Shanmugam K, Green NC, Rambaldi I, Saragovi HU, Featherstone MS (Nov 1999). "PBX and MEIS as non-DNA-binding partners in trimeric complexes with HOX proteins". Molecular and Cellular Biology. 19 (11): 7577–88. PMC 84774. PMID 10523646. 
• Mikkola I, Bruun JA, Holm T, Johansen T (Feb 2001). "Superactivation of Pax6-mediated transactivation from paired domain-binding sites by dna-independent recruitment of different homeodomain proteins". The Journal of Biological Chemistry. 276 (6): 4109–18. doi:10.1074/jbc.M008882200. PMID 11069920. 
• Thameem F, Wolford JK, Bogardus C, Prochazka M (Mar 2001). "Analysis of PBX1 as a candidate gene for type 2 diabetes mellitus in Pima Indians". Biochimica et Biophysica Acta. 1518 (1-2): 215–20. doi:10.1016/S0167-4781(01)00189-0. PMID 11267683. 
• Liu Y, MacDonald RJ, Swift GH (May 2001). "DNA binding and transcriptional activation by a PDX1.PBX1b.MEIS2b trimer and cooperation with a pancreas-specific basic helix-loop-helix complex". The Journal of Biological Chemistry. 276 (21): 17985–93. doi:10.1074/jbc.M100678200. PMID 11279116. 
• Mal A, Sturniolo M, Schiltz RL, Ghosh MK, Harter ML (Apr 2001). "A role for histone deacetylase HDAC1 in modulating the transcriptional activity of MyoD: inhibition of the myogenic program". The EMBO Journal. 20 (7): 1739–53. doi:10.1093/emboj/20.7.1739. PMC 145490. PMID 11285237. 

External links

• PBX1 protein, human at the US National Library of Medicine Medical Subject Headings (MeSH)