| UniProt functional annotation for O95633 | |||
| UniProt code: O95633. |
| Organism: | Homo sapiens (Human). | |
| Taxonomy: | Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo. | |
| Function: | Isoform 1 or the secreted form is a binding and antagonizing protein for members of the TGF-beta family, such us activin, BMP2 and MSTN. Inhibits activin A-, activin B-, BMP2- and MSDT-induced cellular signaling; more effective on activin A than on activin B. Involved in bone formation; inhibits osteoclast differentiationc. Involved in hematopoiesis; involved in differentiation of hemopoietic progenitor cells, increases hematopoietic cell adhesion to fibronectin and seems to contribute to the adhesion of hematopoietic precursor cells to the bone marrow stroma. Isoform 2 or the nuclear form is probably involved in transcriptional regulation via interaction with MLLT10. {ECO:0000269|PubMed:11948405, ECO:0000269|PubMed:15451575, ECO:0000269|PubMed:15574124, ECO:0000269|PubMed:16336961, ECO:0000269|PubMed:17868029, ECO:0000269|PubMed:17878677}. | |
| Subunit: | Interacts with INHBA and INHBB. Interacts with FN1. Interacts with ADAM12. Isoform 2 interacts with MLLT10; the interaction enhances MLLT10 in vitro transcriptional activity and self-association. Interacts with MSTN. {ECO:0000269|PubMed:12697670, ECO:0000269|PubMed:15574124, ECO:0000269|PubMed:16336961, ECO:0000269|PubMed:17868029, ECO:0000269|PubMed:17878677, ECO:0000269|PubMed:18768470, ECO:0000269|PubMed:22052913}. | |
| Subcellular location: | [Isoform 1]: Secreted. | |
| Subcellular location: | [Isoform 2]: Nucleus. Note=Although alternative initiation has been demonstrated and resulted in different localization, the major source of nuclear FSTL3 appears not to depend on translation initiation at Met-27 according to. {ECO:0000269|PubMed:16150905}. | |
| Tissue specificity: | Expressed in a wide range of tissues. {ECO:0000269|PubMed:11459787}. | |
| Disease: | Note=A chromosomal aberration involving FSTL3 is found in a case of B-cell chronic lymphocytic leukemia. Translocation t(11;19)(q13;p13) with CCDN1. {ECO:0000269|PubMed:9671416}. | |
Annotations taken from UniProtKB at the EBI.