The protein encoded by this gene is one of six similar proteins that bind insulin-like growth factors I and II (IGF-I and IGF-II). The encoded protein can be secreted into the bloodstream, where it binds IGF-I and IGF-II with high affinity, or it can remain intracellular, interacting with many different ligands. High expression levels of this protein promote the growth of several types of tumors and may be predictive of the chances of recovery of the patient. Several transcript variants, one encoding a secreted isoform and the others encoding nonsecreted isoforms, have been found for this gene. [provided by RefSeq, Sep 2015]
Transcription factors with Perturb-seq knockdown data for IGFBP2. The Binding column indicates whether any binding evidence exists for this TF–gene pair (ChIP-seq or motif footprint peaks). The Mean coef is the average Perturb-seq regression coefficient across active gRNAs (positive = IGFBP2 upregulated upon KD; negative = downregulated). The Outlier column indicates whether this gene is in the top or bottom 5% of all TF knockdown effects.
| TF | Mean coef | Binding | Outlier | TF→Gene link |
|---|
Open chromatin peaks (ATAC-seq) in the genomic neighbourhood of IGFBP2, linked by TSS proximity or chromatin conformation (Multiome / HiCAR). Each element overlaps at least one TF ChIP-seq binding site — the TFs column shows how many distinct TFs bind that element.
| Accessibility | Element | Dist. to TSS | Link type | TFs |
|---|---|---|---|---|
| chr2:216,339,679–216,340,452 | 293.3 kb | Distal (>10kb) Multiome | 192 | |
| chr2:216,345,559–216,346,320 | 287.4 kb | Distal (>10kb) Multiome | 100 | |
| chr2:216,370,964–216,372,465 | 261.1 kb | Distal (>10kb) Multiome | 850 | |
| chr2:216,412,020–216,413,196 | 220.9 kb | Distal (>10kb) Multiome | 882 | |
| chr2:216,498,326–216,499,289 | 134.6 kb | Distal (>10kb) Multiome | 982 | |
| chr2:216,606,380–216,607,387 | 26.6 kb | Distal (>10kb) Multiome | 243 | |
| chr2:216,619,507–216,620,419 | 13.5 kb | Distal (>10kb) Multiome | 382 | |
| chr2:216,632,597–216,634,235 | 74 bp | At TSS Multiome | 459 | |
| chr2:216,635,691–216,637,041 | 3.4 kb | Proximal (<10kb) Multiome | 263 | |
| chr2:216,665,266–216,666,969 | 32.3 kb | Distal (>10kb) Multiome | 454 | |
| chr2:216,691,972–216,693,060 | 58.8 kb | Distal (>10kb) Multiome | 383 | |
| chr2:216,694,105–216,695,084 | 61.1 kb | Distal (>10kb) Multiome | 316 | |
| chr2:216,695,439–216,696,027 | 62.3 kb | Distal (>10kb) Multiome | 258 | |
| chr2:216,765,712–216,766,366 | 132.6 kb | Distal (>10kb) Multiome | 240 | |
| chr2:216,777,662–216,778,166 | 144.4 kb | Distal (>10kb) Multiome | 399 | |
| chr2:217,756,309–217,757,077 | 1123.3 kb | Distal (>10kb) Multiome HiCAR | 391 |
Genomic view of the IGFBP2 locus showing ATAC-seq accessibility and RNA-seq expression across the ESC → DE time course, together with TF binding peaks and element-to-TSS loop connections.