This gene encodes a protein that is involved in glycosylphosphatidylinositol (GPI)-anchor biosynthesis. The GPI-anchor is a glycolipid found on many blood cells and serves to anchor proteins to the cell surface. This protein is an essential component of the multisubunit enzyme, GPI transamidase. GPI transamidase mediates GPI anchoring in the endoplasmic reticulum, by catalyzing the transfer of fully assembled GPI units to proteins. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, May 2012]
Transcription factors with Perturb-seq knockdown data for PIGT. 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 = PIGT 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 PIGT, 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 |
|---|---|---|---|---|
| chr20:45,293,338–45,294,048 | 122.4 kb | Distal (>10kb) Multiome | 531 | |
| chr20:45,341,603–45,342,760 | 73.9 kb | Distal (>10kb) Multiome | 696 | |
| chr20:45,343,396–45,344,073 | 72.4 kb | Distal (>10kb) Multiome | 485 | |
| chr20:45,347,673–45,348,799 | 67.7 kb | Distal (>10kb) Multiome | 805 | |
| chr20:45,362,715–45,363,769 | 52.9 kb | Distal (>10kb) Multiome | 970 | |
| chr20:45,373,703–45,374,166 | 42.2 kb | Distal (>10kb) Multiome | 546 | |
| chr20:45,376,274–45,377,532 | 39.6 kb | Distal (>10kb) Multiome | 52 | |
| chr20:45,377,951–45,378,822 | 37.7 kb | Distal (>10kb) Multiome | 127 | |
| chr20:45,405,857–45,407,528 | 9.7 kb | Proximal (<10kb) Multiome | 692 | |
| chr20:45,415,906–45,416,528 | 23 bp | At TSS Multiome | 911 | |
| chr20:45,440,774–45,441,531 | 25.0 kb | Distal (>10kb) Multiome | 56 | |
| chr20:45,463,203–45,463,737 | 47.4 kb | Distal (>10kb) Multiome | 34 | |
| chr20:45,469,289–45,470,949 | 53.5 kb | Distal (>10kb) Multiome | 360 | |
| chr20:45,509,025–45,509,824 | 93.3 kb | Distal (>10kb) Multiome | 109 |
Genomic view of the PIGT 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.