Q08945 (SSRP1_HUMAN) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 29, 2013.
Version 139.
History...
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: FACT complex subunit SSRP1 Alternative name(s): Chromatin-specific transcription elongation factor 80 kDa subunit Facilitates chromatin transcription complex 80 kDa subunit Short name=FACT 80 kDa subunit Short name=FACTp80 Facilitates chromatin transcription complex subunit SSRP1 Recombination signal sequence recognition protein 1 Structure-specific recognition protein 1 Short name=hSSRP1 T160 | ||||
| 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 | 709 AA. |
| Sequence status | Complete. |
| Sequence processing | The displayed sequence is further processed into a mature form. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Function | Component of the FACT complex, a general chromatin factor that acts to reorganize nucleosomes. The FACT complex is involved in multiple processes that require DNA as a template such as mRNA elongation, DNA replication and DNA repair. During transcription elongation the FACT complex acts as a histone chaperone that both destabilizes and restores nucleosomal structure. It facilitates the passage of RNA polymerase II and transcription by promoting the dissociation of one histone H2A-H2B dimer from the nucleosome, then subsequently promotes the reestablishment of the nucleosome following the passage of RNA polymerase II. The FACT complex is probably also involved in phosphorylation of 'Ser-392' of p53/TP53 via its association with CK2 (casein kinase II). Binds specifically to double-stranded DNA and at low levels to DNA modified by the antitumor agent cisplatin. May potentiate cisplatin-induced cell death by blocking replication and repair of modified DNA. Also acts as a transcriptional coactivator for p63/TP63. Ref.4 Ref.5 Ref.6 Ref.8 Ref.10 Ref.11 Ref.15 Ref.19 |
| Subunit structure | Component of the FACT complex, a stable heterodimer of SSRP1 and SUPT16H. Also component of a CK2-SPT16-SSRP1 complex which forms following UV irradiation, composed of SSRP1, SUPT16H, CSNK2A1, CSNK2A2 and CSNK2B. Binds to histone H3-H4 tetramers, but not to intact nucleosomes. Interacts with isoform gamma of TP63. Interacts with FYTTD1/UIF, SRF and NEK9. Ref.7 Ref.10 Ref.11 Ref.13 Ref.16 Ref.25 |
| Subcellular location | Nucleus. Nucleus › nucleolus. Chromosome. Note: Colocalizes with RNA polymerase II on chromatin. Recruited to actively transcribed loci. Ref.7 Ref.31 |
| Domain | The HMG box DNA-binding domain mediates DNA-binding. It has both affinity and specificity for DNA damaged globally with cisplatin. Ref.9 |
| Post-translational modification | Phosphorylated by CK2 following UV but not gamma irradiation. Phosphorylation inhibits its DNA-binding activity. Ref.13 Ref.18 Ubiquitinated. Polyubiquitinated following caspase cleavage resulting in degradation of the N-terminal ubiquitinated part of the cleaved protein. Ref.21 Sumoylated. Ref.17 |
| Miscellaneous | Autoantibodies against SSRP1 are present in sera from patients with systemic lupus erythematosus, but not other rheumatic diseases. |
| Sequence similarities | Belongs to the SSRP1 family. Contains 1 HMG box DNA-binding domain. |
| Sequence caution | The sequence AAH91486.1 differs from that shown. Reason: Contaminating sequence. Potential poly-A sequence. |
Ontologies
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Initiator methionine | 1 | 1 | Removed Ref.3 | ||||||
| Chain | 2 – 709 | 708 | FACT complex subunit SSRP1 | PRO_0000048606 | |||||
Regions | |||||||||
| DNA binding | 547 – 615 | 69 | HMG box | ||||||
| Compositional bias | 439 – 496 | 58 | Asp/Glu-rich (acidic) | ||||||
| Compositional bias | 497 – 511 | 15 | Ser-rich | ||||||
| Compositional bias | 512 – 534 | 23 | Arg/Lys-rich (basic) | ||||||
| Compositional bias | 623 – 640 | 18 | Arg/Lys-rich (basic) | ||||||
| Compositional bias | 641 – 709 | 69 | Ser-rich | ||||||
Sites | |||||||||
| Site | 450 – 451 | 2 | Cleavage; by caspase-3 and/or caspase-7 | ||||||
Amino acid modifications | |||||||||
| Modified residue | 2 | 1 | N-acetylalanine Ref.3 | ||||||
| Modified residue | 170 | 1 | Phosphothreonine Ref.23 Ref.28 | ||||||
| Modified residue | 233 | 1 | N6-acetyllysine Ref.27 | ||||||
| Modified residue | 413 | 1 | N6-acetyllysine Ref.27 | ||||||
| Modified residue | 437 | 1 | Phosphoserine Ref.23 | ||||||
| Modified residue | 441 | 1 | Phosphotyrosine By similarity | ||||||
| Modified residue | 444 | 1 | Phosphoserine Ref.22 Ref.23 Ref.24 Ref.26 Ref.28 Ref.30 | ||||||
| Modified residue | 510 | 1 | Phosphoserine; by CK2 Probable | ||||||
| Modified residue | 657 | 1 | Phosphoserine Ref.18 Ref.30 | ||||||
| Modified residue | 659 | 1 | Phosphoserine Ref.30 | ||||||
| Modified residue | 667 | 1 | Phosphoserine Ref.23 Ref.30 | ||||||
| Modified residue | 668 | 1 | Phosphoserine Ref.23 Ref.30 | ||||||
| Modified residue | 671 | 1 | Phosphoserine Ref.23 Ref.30 | ||||||
| Modified residue | 672 | 1 | Phosphoserine Ref.23 | ||||||
| Modified residue | 673 | 1 | Phosphoserine Ref.23 | ||||||
| Modified residue | 688 | 1 | Phosphoserine; by CK2 Probable | ||||||
Natural variations | |||||||||
| Natural variant | 225 | 1 | L → V. Corresponds to variant rs768436 [ dbSNP | Ensembl ]. | VAR_052495 | |||||
| Natural variant | 458 | 1 | E → Q. Corresponds to variant rs11540304 [ dbSNP | Ensembl ]. | VAR_052496 | |||||
Experimental info | |||||||||
| Mutagenesis | 450 | 1 | D → A: Abolishes cleavage by caspase. Ref.21 | ||||||
| Mutagenesis | 510 | 1 | S → A: Unable to bind DNA; when associated with A-657 and A-688. Ref.18 | ||||||
| Mutagenesis | 657 | 1 | S → A: Unable to bind DNA; when associated with A-510 and A-688. Still able to bind DNA; when associated with A-688. Ref.18 | ||||||
| Mutagenesis | 688 | 1 | S → A: Unable to bind DNA; when associated with A-510 and A-657. Still able to bind DNA; when associated with A-657. Ref.18 | ||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Isolation and characterization of human cDNA clones encoding a high mobility group box protein that recognizes structural distortions to DNA caused by binding of the anticancer agent cisplatin." Bruhn S.L., Pil P.M., Essigmann J.M., Housman D.E., Lippard S.J. Proc. Natl. Acad. Sci. U.S.A. 89:2307-2311(1992) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA]. Tissue: B-cell. |
| [2] | "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]. Tissue: Lung and Uterus. |
| [3] | Bienvenut W.V., Vousden K.H., Lukashchuk N. Submitted (MAR-2008) to UniProtKB Cited for: PROTEIN SEQUENCE OF 2-15; 234-241; 252-264; 305-316; 388-396 AND 414-421, CLEAVAGE OF INITIATOR METHIONINE, ACETYLATION AT ALA-2, MASS SPECTROMETRY. Tissue: Lung carcinoma. |
| [4] | "FACT, a factor that facilitates transcript elongation through nucleosomes." Orphanides G., LeRoy G., Chang C.-H., Luse D.S., Reinberg D. Cell 92:105-116(1998) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION. |
| [5] | "The HMG domain protein SSRP1/PREIIBF is involved in activation of the human embryonic beta-like globin gene." Dyer M.A., Hayes P.J., Baron M.H. Mol. Cell. Biol. 18:2617-2628(1998) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION. |
| [6] | "Requirement of RSF and FACT for transcription of chromatin templates in vitro." LeRoy G., Orphanides G., Lane W.S., Reinberg D. Science 282:1900-1904(1998) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION. |
| [7] | "The chromatin-specific transcription elongation factor FACT comprises human SPT16 and SSRP1 proteins." Orphanides G., Wu W.-H., Lane W.S., Hampsey M., Reinberg D. Nature 400:284-288(1999) [PubMed] [Europe PMC] [Abstract] Cited for: IDENTIFICATION BY MASS SPECTROMETRY, SUBCELLULAR LOCATION, INTERACTION WITH SUPT16H. |
| [8] | "FACT relieves DSIF/NELF-mediated inhibition of transcriptional elongation and reveals functional differences between P-TEFb and TFIIH." Wada T., Orphanides G., Hasegawa J., Kim D.-K., Shima D., Yamaguchi Y., Fukuda A., Hisatake K., Oh S., Reinberg D., Handa H. Mol. Cell 5:1067-1072(2000) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION. |
| [9] | "Interaction of FACT, SSRP1, and the high mobility group (HMG) domain of SSRP1 with DNA damaged by the anticancer drug cisplatin." Yarnell A.T., Oh S., Reinberg D., Lippard S.J. J. Biol. Chem. 276:25736-25741(2001) [PubMed] [Europe PMC] [Abstract] Cited for: DOMAIN. |
| [10] | "A DNA damage-induced p53 serine 392 kinase complex contains CK2, hSpt16, and SSRP1." Keller D.M., Zeng X., Wang Y., Zhang Q.H., Kapoor M., Shu H., Goodman R., Lozano G., Zhao Y., Lu H. Mol. Cell 7:283-292(2001) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, INTERACTION WITH SUPT16H; CSNK2A1; CSNK2A2 AND CSNK2B. |
| [11] | "SSRP1 functions as a co-activator of the transcriptional activator p63." Zeng S.X., Dai M.-S., Keller D.M., Lu H. EMBO J. 21:5487-5497(2002) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, INTERACTION WITH TP63. |
| [12] | Erratum Zeng S.X., Dai M.-S., Keller D.M., Lu H. EMBO J. 23:1679-1679(2004) |
| [13] | "p53 serine 392 phosphorylation increases after UV through induction of the assembly of the CK2.hSPT16.SSRP1 complex." Keller D.M., Lu H. J. Biol. Chem. 277:50206-50213(2002) [PubMed] [Europe PMC] [Abstract] Cited for: INTERACTION WITH SUPT16H; CSNK2A1; CSNK2A2 AND CSNK2B, PHOSPHORYLATION. |
| [14] | "High prevalence of autoantibodies against the nuclear high mobility group (HMG) protein SSRP1 in sera from patients with systemic lupus erythematosus, but not other rheumatic diseases." Santoro P., De Andrea M., Migliaretti G., Trapani C., Landolfo S., Gariglio M. J. Rheumatol. 29:90-93(2002) [PubMed] [Europe PMC] [Abstract] Cited for: AUTOANTIBODIES. |
| [15] | "FACT facilitates transcription-dependent nucleosome alteration." Belotserkovskaya R., Oh S., Bondarenko V.A., Orphanides G., Studitsky V.M., Reinberg D. Science 301:1090-1093(2003) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION. |
| [16] | "Nek9, a novel FACT-associated protein, modulates interphase progression." Tan B.C.-M., Lee S.-C. J. Biol. Chem. 279:9321-9330(2004) [PubMed] [Europe PMC] [Abstract] Cited for: INTERACTION WITH NEK9. |
| [17] | "Systematic identification and analysis of mammalian small ubiquitin-like modifier substrates." Gocke C.B., Yu H., Kang J. J. Biol. Chem. 280:5004-5012(2005) [PubMed] [Europe PMC] [Abstract] Cited for: SUMOYLATION. |
| [18] | "CK2 phosphorylates SSRP1 and inhibits its DNA-binding activity." Li Y., Keller D.M., Scott J.D., Lu H. J. Biol. Chem. 280:11869-11875(2005) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION AT SER-510; SER-657 AND SER-688, MUTAGENESIS OF SER-510; SER-657 AND SER-688. |
| [19] | "Histone H2B monoubiquitination functions cooperatively with FACT to regulate elongation by RNA polymerase II." Pavri R., Zhu B., Li G., Trojer P., Mandal S., Shilatifard A., Reinberg D. Cell 125:703-717(2006) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION. |
| [20] | "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: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. Tissue: Cervix carcinoma. |
| [21] | "Coupling caspase cleavage and ubiquitin-proteasome-dependent degradation of SSRP1 during apoptosis." Landais I., Lee H., Lu H. Cell Death Differ. 13:1866-1878(2006) [PubMed] [Europe PMC] [Abstract] Cited for: CLEAVAGE SITE, UBIQUITINATION, MUTAGENESIS OF ASP-450. |
| [22] | "Combining protein-based IMAC, peptide-based IMAC, and MudPIT for efficient phosphoproteomic analysis." Cantin G.T., Yi W., Lu B., Park S.K., Xu T., Lee J.-D., Yates J.R. III J. Proteome Res. 7:1346-1351(2008) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-444, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [23] | "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 THR-170; SER-437; SER-444; SER-667; SER-668; SER-671; SER-672 AND SER-673, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [24] | "Large-scale phosphoproteome analysis of human liver tissue by enrichment and fractionation of phosphopeptides with strong anion exchange chromatography." Han G., Ye M., Zhou H., Jiang X., Feng S., Jiang X., Tian R., Wan D., Zou H., Gu J. Proteomics 8:1346-1361(2008) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-444, MASS SPECTROMETRY. Tissue: Liver. |
| [25] | "UIF, a new mRNA export adaptor that works together with REF/ALY, requires FACT for recruitment to mRNA." Hautbergue G.M., Hung M.L., Walsh M.J., Snijders A.P., Chang C.T., Jones R., Ponting C.P., Dickman M.J., Wilson S.A. Curr. Biol. 19:1918-1924(2009) [PubMed] [Europe PMC] [Abstract] Cited for: INTERACTION WITH FYTTD1. |
| [26] | "Quantitative phosphoproteomic analysis of T cell receptor signaling reveals system-wide modulation of protein-protein interactions." Mayya V., Lundgren D.H., Hwang S.-I., Rezaul K., Wu L., Eng J.K., Rodionov V., Han D.K. Sci. Signal. 2:RA46-RA46(2009) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-444, MASS SPECTROMETRY. Tissue: Leukemic T-cell. |
| [27] | "Lysine acetylation targets protein complexes and co-regulates major cellular functions." Choudhary C., Kumar C., Gnad F., Nielsen M.L., Rehman M., Walther T.C., Olsen J.V., Mann M. Science 325:834-840(2009) [PubMed] [Europe PMC] [Abstract] Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT LYS-233 AND LYS-413, MASS SPECTROMETRY. |
| [28] | "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 THR-170 AND SER-444, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [29] | "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]. |
| [30] | "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-444; SER-657; SER-659; SER-667; SER-668 AND SER-671, MASS SPECTROMETRY. |
| [31] | "Systematic analysis of protein pools, isoforms, and modifications affecting turnover and subcellular localization." Ahmad Y., Boisvert F.M., Lundberg E., Uhlen M., Lamond A.I. Mol. Cell. Proteomics 11:M111.013680.01-M111.013680.15(2012) [PubMed] [Europe PMC] [Abstract] Cited for: SUBCELLULAR LOCATION [LARGE SCALE ANALYSIS]. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | M86737 mRNA. Translation: AAA58660.1. BC005116 mRNA. Translation: AAH05116.1. BC091486 mRNA. Translation: AAH91486.1. Sequence problems. |
| IPI | IPI00005154. |
| PIR | A41976. |
| RefSeq | NP_003137.1. NM_003146.2. |
| UniGene | Hs.523680. |
3D structure databases | |
| ProteinModelPortal | Q08945. |
| ModBase | Search... |
Protein-protein interaction databases | |
| DIP | DIP-169N. |
| IntAct | Q08945. 12 interactions. |
| MINT | MINT-5004485. |
| STRING | 9606.ENSP00000278412. |
PTM databases | |
| PhosphoSite | Q08945. |
Polymorphism databases | |
| DMDM | 730840. |
Proteomic databases | |
| PaxDb | Q08945. |
| PeptideAtlas | Q08945. |
| PRIDE | Q08945. |
Protocols and materials databases | |
| DNASU | 6749. |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| Ensembl | ENST00000278412; ENSP00000278412; ENSG00000149136. |
| GeneID | 6749. |
| KEGG | hsa:6749. |
| UCSC | uc001njt.3. human. |
Organism-specific databases | |
| CTD | 6749. |
| GeneCards | GC11M057093. |
| HGNC | HGNC:11327. SSRP1. |
| HPA | HPA002697. |
| MIM | 604328. gene. |
| neXtProt | NX_Q08945. |
| PharmGKB | PA36151. |
| GenAtlas | Search... |
Phylogenomic databases | |
| eggNOG | COG5165. |
| HOGENOM | HOG000180790. |
| HOVERGEN | HBG002932. |
| InParanoid | Q08945. |
| KO | K09272. |
| OMA | PVEVKKG. |
| OrthoDB | EOG41VK2K. |
| PhylomeDB | Q08945. |
Enzyme and pathway databases | |
| Reactome | REACT_116125. Disease. REACT_1788. Transcription. REACT_1892. Elongation arrest and recovery. REACT_71. Gene Expression. |
Gene expression databases | |
| ArrayExpress | Q08945. |
| Bgee | Q08945. |
| CleanEx | HS_SSRP1. |
| Genevestigator | Q08945. |
| GermOnline | ENSG00000149136. Homo sapiens. |
Family and domain databases | |
| Gene3D | 1.10.30.10. 1 hit. 2.30.29.30. 1 hit. |
| InterPro | IPR013719. DUF1747. IPR009071. HMG_box_dom. IPR011993. PH_like_dom. IPR000969. SSrcognition. IPR024954. SSRP1_dom. [Graphical view] |
| Pfam | PF00505. HMG_box. 1 hit. PF08512. Rtt106. 1 hit. PF03531. SSrecog. 1 hit. [Graphical view] |
| PRINTS | PR00887. SSRCOGNITION. |
| SMART | SM00398. HMG. 1 hit. [Graphical view] |
| SUPFAM | SSF47095. HMG-box. 1 hit. |
| PROSITE | PS50118. HMG_BOX_2. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Other | |
| ChiTaRS | SSRP1. human. |
| GenomeRNAi | 6749. |
| NextBio | 26328. |
| PMAP-CutDB | Q08945. |
| SOURCE | Search... |
Entry information
| Entry name | SSRP1_HUMAN | ||||||||
| Accession | Primary (citable) accession number: Q08945 Secondary accession number(s): Q5BJG8 | ||||||||
| Entry history |
| ||||||||
| 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 11 Human chromosome 11: 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 |
| SIMILARITY comments Index of protein domains and families |

Clusters with
