Q8IZL8 (PELP1_HUMAN) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 1, 2013.
Version 91.
History...
Names·Attributes·General annotation·Ontologies·Interactions·Alt products·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Interactions·Alt products·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Proline-, glutamic acid- and leucine-rich protein 1 Alternative name(s): Modulator of non-genomic activity of estrogen receptor Transcription factor HMX3 | ||||
| Gene names |
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| Organism | Homo sapiens (Human) [Reference proteome] | ||||
| Taxonomic identifier | 9606 [NCBI] | ||||
| Taxonomic lineage | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo![]() |
Protein attributes
| Sequence length | 1130 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Function | Coactivator of estrogen receptor-mediated transcription and a corepressor of other nuclear hormone receptors and sequence-specific transcription factors. Plays a role in estrogen receptor (ER) genomic activity when present in the nuclear compartment by activating the ER target genes in a hormonal stimulation dependent manner. Can facilitate ER non-genomic signaling via SRC and PI3K interaction in the cytosol. Plays a role in E2-mediated cell cycle progression by interacting with RB1. May have important functional implications in ER/growth factor cross-talk. Interacts with several growth factor signaling components including EGFR and HRS. Involved in nuclear receptor signaling via its interaction with AR and NR3C1. May promote tumorigenesis via its interaction with and modulation of several oncogenes including SRC, PI3K, STAT3 and EGFR. Plays a role in cancer cell metastasis via its ability to modulate E2-mediated cytoskeleton changes and cell migration via its interaction with SRC and PI3K. Functions as the key stabilizing component of the Five Friends of Methylated CHTOP (5FMC) complex; the 5FMC complex is recruited to ZNF148 by methylated CHTOP, leading to desumoylation of ZNF148 and subsequent transactivation of ZNF148 target genes. Ref.1 Ref.2 Ref.5 Ref.6 Ref.7 Ref.8 Ref.9 Ref.10 Ref.11 Ref.14 Ref.15 Ref.22 |
| Subunit structure | Interacts with HRS, RXRA, SUMO2, HDAC2, RB1 and STAT3. Interacts with PI3K, SRC and EGFR in cytoplasm. Interacts with ESR1 and ESR2 and this interaction is enhanced by 17-beta-estradiol. Interacts with CREBBP, EP300, AR and NR3C1 in a ligand-dependent manner. Forms two complexes in the presence of 17-beta-estradiol; one with SRC and ESR1 and another with LCK and ESR1. Interacts with histone H1 and H3 with a greater affinity for H1. Component of some MLL1/MLL complex, at least composed of the core components MLL, ASH2L, HCFC1/HCF1, WDR5 and RBBP5, as well as the facultative components BAP18, CHD8, E2F6, HSP70, INO80C, KANSL1, LAS1L, MAX, MCRS1, MGA, KAT8/MOF, PELP1, PHF20, PRP31, RING2, RUVB1/TIP49A, RUVB2/TIP49B, SENP3, TAF1, TAF4, TAF6, TAF7, TAF9 and TEX10. Core component of the 5FMC complex, at least composed of PELP1, LAS1L, TEX10, WDR18 and SENP3; the complex interacts with methylated CHTOP and ZNF148. Interacts with NOL9. Ref.1 Ref.2 Ref.5 Ref.6 Ref.7 Ref.8 Ref.10 Ref.11 Ref.12 Ref.14 Ref.15 Ref.16 Ref.22 |
| Subcellular location | Nucleus › nucleoplasm By similarity. Nucleus. Cytoplasm. Note: Mainly found in the nucleoplasm, with low levels detected in the cytoplasm By similarity. Also found associated with the plasma membrane. Mainly in cytoplasm in a subset of breast tumors. Localization is widely deregulated in endometrial cancers with predominantly cytoplasm localization in high-grade endometrial tumors. Ref.1 Ref.9 Ref.10 Ref.22 |
| Tissue specificity | Isoform 2 is expressed in breast cancer cell lines. Isoform 1 is widely expressed. Ref.1 |
| Domain | The Glu-rich region mediates histones interaction. Ref.1 Ref.8 The Leu-Xaa-Xaa-Leu-Leu (LXXLL) motifs are required for the association with nuclear receptor ESR1. Ref.1 Ref.8 |
| Sequence caution | The sequence AAC17708.2 differs from that shown. Reason: Frameshift at positions 656 and 672. |
Ontologies
| Keywords | |
|---|---|
| Biological process | Transcription |
| Cellular component | Cytoplasm Nucleus |
| Coding sequence diversity | Alternative splicing Polymorphism |
| Domain | Repeat |
| Molecular function | Activator Repressor |
| PTM | Phosphoprotein |
| Technical term | Complete proteome Reference proteome |
| Gene Ontology (GO) | |
| Biological_process | transcription, DNA-dependent Inferred from electronic annotation. Source: UniProtKB-KW |
| Cellular_component | MLL1 complex Inferred from direct assay Ref.12. Source: UniProtKB cytoplasmInferred from electronic annotation. Source: UniProtKB-SubCell |
| Complete GO annotation... | |
Binary interactions
With | Entry | #Exp. | IntAct | Notes |
|---|---|---|---|---|
| NFKB1 | P19838 | 2 | EBI-716449,EBI-300010 |
Alternative products
| This entry describes 2 isoforms produced by alternative splicing. [Align] [Select] | ||||||
| Isoform 1 (identifier: Q8IZL8-1) This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry. | ||||||
| Isoform 2 (identifier: Q8IZL8-2) The sequence of this isoform differs from the canonical sequence as follows: 356-356: I → IVSGICHLFR...TLYLCPFFLQ |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 1130 | 1130 | Proline-, glutamic acid- and leucine-rich protein 1 | PRO_0000252135 | |||||
Regions | |||||||||
| Motif | 33 – 37 | 5 | LXXLL motif 1 | ||||||
| Motif | 69 – 73 | 5 | LXXLL motif 2 | ||||||
| Motif | 111 – 115 | 5 | LXXLL motif 3 | ||||||
| Motif | 155 – 159 | 5 | LXXLL motif 4 | ||||||
| Motif | 177 – 181 | 5 | LXXLL motif 5 | ||||||
| Motif | 264 – 268 | 5 | LXXLL motif 6 | ||||||
| Motif | 271 – 275 | 5 | LXXLL motif 7 | ||||||
| Motif | 364 – 368 | 5 | LXXLL motif 8 | ||||||
| Motif | 459 – 463 | 5 | LXXLL motif 9 | ||||||
| Motif | 579 – 583 | 5 | LXXLL motif 10 | ||||||
| Motif | 584 – 588 | 5 | LXXLL motif 11 | ||||||
| Compositional bias | 633 – 872 | 240 | Pro-rich | ||||||
| Compositional bias | 888 – 1101 | 214 | Glu-rich | ||||||
| Compositional bias | 977 – 1083 | 107 | Pro-rich | ||||||
Amino acid modifications | |||||||||
| Modified residue | 13 | 1 | Phosphoserine By similarity | ||||||
| Modified residue | 477 | 1 | Phosphoserine Ref.18 Ref.19 Ref.21 | ||||||
| Modified residue | 481 | 1 | Phosphoserine Ref.13 Ref.18 Ref.19 Ref.21 | ||||||
| Modified residue | 488 | 1 | Phosphothreonine Ref.21 | ||||||
| Modified residue | 745 | 1 | Phosphothreonine Ref.18 Ref.21 | ||||||
| Modified residue | 1033 | 1 | Phosphoserine Ref.17 Ref.19 Ref.21 | ||||||
| Modified residue | 1043 | 1 | Phosphoserine Ref.18 Ref.21 | ||||||
Natural variations | |||||||||
| Alternative sequence | 356 | 1 | I → IVSGICHLFRALAQDTRQPG KYWGPESPQTVSSWSPSQRA STFVQITSLPMCRDTGAQCQ SVANASLGEGEFGDSAESLL RGPAILLTFHPGSILEDRGL ILLGEMRSGVGFLTYVYICK WSFPVSVSLWLSLSSSTLYL CPFFLQ in isoform 2. | VSP_020880 | |||||
| Natural variant | 1126 | 1 | T → S. Corresponds to variant rs9436 [ dbSNP | Ensembl ]. | VAR_027766 | |||||
Experimental info | |||||||||
| Sequence conflict | 2 | 1 | A → V in AAC17708. Ref.1 | ||||||
| Sequence conflict | 698 – 699 | 2 | AR → DS in AAC17708. Ref.1 | ||||||
| Sequence conflict | 708 | 1 | H → L in AAC17708. Ref.1 | ||||||
| Sequence conflict | 889 | 1 | E → EEEEEGEEEE in AAC17708. Ref.1 | ||||||
| Sequence conflict | 896 | 1 | E → G in AAN41255. Ref.2 | ||||||
| Sequence conflict | 1069 | 1 | T → P in AAN41255. Ref.2 | ||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Molecular cloning and characterization of PELP1, a novel human coregulator of estrogen receptor alpha." Vadlamudi R.K., Wang R.-A., Mazumdar A., Kim Y.-S., Shin J., Sahin A., Kumar R. J. Biol. Chem. 276:38272-38279(2001) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 2), FUNCTION, INTERACTION WITH ESR1; CREBBP AND EP300, SUBCELLULAR LOCATION, TISSUE SPECIFICITY, DOMAIN. |
| [2] | "Estrogen receptor-interacting protein that modulates its nongenomic activity-crosstalk with Src/Erk phosphorylation cascade." Wong C.-W., McNally C., Nickbarg E., Komm B.S., Cheskis B.J. Proc. Natl. Acad. Sci. U.S.A. 99:14783-14788(2002) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1), FUNCTION, INTERACTION WITH ESR1; ESR2; AR; NR3C1 AND SRC. |
| [3] | "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)." The MGC Project Team Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1). Tissue: Brain, Lung and Testis. |
| [4] | "Human transcription factor HMX3." Lei W., Harrod K.S. Submitted (JAN-2005) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [MRNA] OF 70-1130 (ISOFORM 1). |
| [5] | "Functional interactions between the estrogen receptor coactivator PELP1/MNAR and retinoblastoma protein." Balasenthil S., Vadlamudi R.K. J. Biol. Chem. 278:22119-22127(2003) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, INTERACTION WITH RB1. |
| [6] | "Characterization of the interactions of estrogen receptor and MNAR in the activation of cSrc." Barletta F., Wong C.-W., McNally C., Komm B.S., Katzenellenbogen B., Cheskis B.J. Mol. Endocrinol. 18:1096-1108(2004) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, INTERACTION WITH ESR1 AND SRC. |
| [7] | "Potential role of a novel transcriptional coactivator PELP1 in histone H1 displacement in cancer cells." Nair S.S., Mishra S.K., Yang Z., Balasenthil S., Kumar R., Vadlamudi R.K. Cancer Res. 64:6416-6423(2004) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, INTERACTION WITH HISTONE H1 AND H3. |
| [8] | "The transcriptional corepressor, PELP1, recruits HDAC2 and masks histones using two separate domains." Choi Y.B., Ko J.K., Shin J. J. Biol. Chem. 279:50930-50941(2004) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, DOMAIN, INTERACTION WITH HDAC2. |
| [9] | "Deregulation of estrogen receptor coactivator proline-, glutamic acid-, and leucine-rich protein-1/modulator of nongenomic activity of estrogen receptor in human endometrial tumors." Vadlamudi R.K., Balasenthil S., Broaddus R.R., Gustafsson J.-A., Kumar R. J. Clin. Endocrinol. Metab. 89:6130-6138(2004) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, SUBCELLULAR LOCATION. |
| [10] | "Functional implications of altered subcellular localization of PELP1 in breast cancer cells." Vadlamudi R.K., Manavathi B., Balasenthil S., Nair S.S., Yang Z., Sahin A.A., Kumar R. Cancer Res. 65:7724-7732(2005) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, INTERACTION WITH PI3K AND EGFR, SUBCELLULAR LOCATION. |
| [11] | "Proline-, glutamic acid-, and leucine-rich protein-1 is essential in growth factor regulation of signal transducers and activators of transcription 3 activation." Manavathi B., Nair S.S., Wang R.-A., Kumar R., Vadlamudi R.K. Cancer Res. 65:5571-5577(2005) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, INTERACTION WITH STAT3. |
| [12] | "Physical association and coordinate function of the H3 K4 methyltransferase MLL1 and the H4 K16 acetyltransferase MOF." Dou Y., Milne T.A., Tackett A.J., Smith E.R., Fukuda A., Wysocka J., Allis C.D., Chait B.T., Hess J.L., Roeder R.G. Cell 121:873-885(2005) [PubMed] [Europe PMC] [Abstract] Cited for: IDENTIFICATION IN THE MLL1/MLL COMPLEX. |
| [13] | "Global, in vivo, and site-specific phosphorylation dynamics in signaling networks." Olsen J.V., Blagoev B., Gnad F., Macek B., Kumar C., Mortensen P., Mann M. Cell 127:635-648(2006) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-481, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [14] | "9-cis-retinoic acid up-regulates expression of transcriptional coregulator PELP1, a novel coactivator of the retinoid X receptor alpha pathway." Singh R.R., Gururaj A.E., Vadlamudi R.K., Kumar R. J. Biol. Chem. 281:15394-15404(2006) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, INTERACTION WITH RXRA. |
| [15] | "Hepatocyte growth factor-regulated tyrosine kinase substrate (HRS) interacts with PELP1 and activates MAPK." Rayala S.K., den Hollander P., Balasenthil S., Molli P.R., Bean A.J., Vadlamudi R.K., Wang R.-A., Kumar R. J. Biol. Chem. 281:4395-4403(2006) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, INTERACTION WITH HRS. |
| [16] | "NXP-2 association with SUMO-2 depends on lysines required for transcriptional repression." Rosendorff A., Sakakibara S., Lu S., Kieff E., Xuan Y., DiBacco A., Shi Y., Shi Y., Gill G. Proc. Natl. Acad. Sci. U.S.A. 103:5308-5313(2006) [PubMed] [Europe PMC] [Abstract] Cited for: INTERACTION WITH SUMO2. |
| [17] | "ATM and ATR substrate analysis reveals extensive protein networks responsive to DNA damage." Matsuoka S., Ballif B.A., Smogorzewska A., McDonald E.R. III, Hurov K.E., Luo J., Bakalarski C.E., Zhao Z., Solimini N., Lerenthal Y., Shiloh Y., Gygi S.P., Elledge S.J. Science 316:1160-1166(2007) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-1033, MASS SPECTROMETRY. Tissue: Embryonic kidney. |
| [18] | "A quantitative atlas of mitotic phosphorylation." Dephoure N., Zhou C., Villen J., Beausoleil S.A., Bakalarski C.E., Elledge S.J., Gygi S.P. Proc. Natl. Acad. Sci. U.S.A. 105:10762-10767(2008) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-477; SER-481; THR-745 AND SER-1043, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [19] | "Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis." Olsen J.V., Vermeulen M., Santamaria A., Kumar C., Miller M.L., Jensen L.J., Gnad F., Cox J., Jensen T.S., Nigg E.A., Brunak S., Mann M. Sci. Signal. 3:RA3-RA3(2010) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-477; SER-481 AND SER-1033, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [20] | "Initial characterization of the human central proteome." Burkard T.R., Planyavsky M., Kaupe I., Breitwieser F.P., Buerckstuemmer T., Bennett K.L., Superti-Furga G., Colinge J. BMC Syst. Biol. 5:17-17(2011) [PubMed] [Europe PMC] [Abstract] Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. |
| [21] | "System-wide temporal characterization of the proteome and phosphoproteome of human embryonic stem cell differentiation." Rigbolt K.T., Prokhorova T.A., Akimov V., Henningsen J., Johansen P.T., Kratchmarova I., Kassem M., Mann M., Olsen J.V., Blagoev B. Sci. Signal. 4:RS3-RS3(2011) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-477; SER-481; THR-488; THR-745; SER-1033 AND SER-1043, MASS SPECTROMETRY. |
| [22] | "Five Friends of Methylated Chtop, a complex linking arginine methylation to desumoylation." Fanis P., Gillemans N., Aghajanirefah A., Pourfarzad F., Demmers J., Esteghamat F., Vadlamudi R.K., Grosveld F., Philipsen S., van Dijk T.B. Mol. Cell. Proteomics 11:1263-1273(2012) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, IDENTIFICATION IN THE 5FMC COMPLEX, SUBCELLULAR LOCATION. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | U88153 mRNA. Translation: AAC17708.2. Frameshift. AF547989 mRNA. Translation: AAN41255.1. BC002875 mRNA. Translation: AAH02875.2. BC010457 mRNA. Translation: AAH10457.2. BC069058 mRNA. Translation: AAH69058.1. AY882602 mRNA. Translation: AAW80659.1. |
| IPI | IPI00006702. IPI00787089. |
| RefSeq | NP_055204.2. NM_014389.2. |
| UniGene | Hs.741234. |
3D structure databases | |
| ProteinModelPortal | Q8IZL8. |
| SMR | Q8IZL8. Positions 374-443, 571-633. |
| ModBase | Search... |
Protein-protein interaction databases | |
| IntAct | Q8IZL8. 9 interactions. |
| MINT | MINT-1185355. |
| STRING | 9606.ENSP00000301396. |
PTM databases | |
| PhosphoSite | Q8IZL8. |
Polymorphism databases | |
| DMDM | 115502553. |
Proteomic databases | |
| PaxDb | Q8IZL8. |
| PRIDE | Q8IZL8. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| Ensembl | ENST00000574876; ENSP00000461625; ENSG00000141456. |
| GeneID | 27043. |
| KEGG | hsa:27043. |
| UCSC | uc002fyi.4. human. |
Organism-specific databases | |
| CTD | 27043. |
| GeneCards | GC17M004574. |
| HGNC | HGNC:30134. PELP1. |
| MIM | 609455. gene. |
| neXtProt | NX_Q8IZL8. |
| PharmGKB | PA142671186. |
| GenAtlas | Search... |
Phylogenomic databases | |
| eggNOG | NOG42117. |
| HOVERGEN | HBG080634. |
| OrthoDB | EOG4FJ889. |
Gene expression databases | |
| ArrayExpress | Q8IZL8. |
| Bgee | Q8IZL8. |
| CleanEx | HS_HMX3. HS_PELP1. |
| Genevestigator | Q8IZL8. |
Family and domain databases | |
| InterPro | IPR012980. Uncharacterised_NUC202. [Graphical view] |
| Pfam | PF08166. NUC202. 2 hits. [Graphical view] |
| ProtoNet | Search... |
Other | |
| ChiTaRS | PELP1. human. |
| GenomeRNAi | 27043. |
| NextBio | 49622. |
| SOURCE | Search... |
Entry information
| Entry name | PELP1_HUMAN | ||||||||
| Accession | Primary (citable) accession number: Q8IZL8 Secondary accession number(s): O15450 Q9BU60 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Chordata Protein Annotation Program | ||||||||
| Disclaimer | Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. | ||||||||
Relevant documents
| Human chromosome 17 Human chromosome 17: entries, gene names and cross-references to MIM |
| Human entries with polymorphisms or disease mutations List of human entries with polymorphisms or disease mutations |
| Human polymorphisms and disease mutations Index of human polymorphisms and disease mutations |
| MIM cross-references Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot |

Clusters with
