Table 1.
TG enzymes and their biological functions when known.
| TG | Physiological role | Gene map location | Reference |
|---|---|---|---|
| Factor XIIIa | Blood clotting | 6p24-25 | [10] |
| TG 1 (Keratinocyte TG, kTG) | Skin differentiation | 14q11.2 | [11] |
| TG 2 (Tissue TG, tTG, cTG) | Apoptosis, cell adhesion, signal transduction | 20q11-12 | [12] |
| TG 3 (Epidermal TG, eTG) | Hair follicle differentiation | 20p11.2 | [13] |
| TG 4 (Prostate TG, pTG) | Suppression of sperm immunogenicity | 3q21-2 | [14] |
| TG 5 (TG X) | Epidermal differentiation | 15q15.2 | [15] |
| TG 6 (TG Y) | Unknown function | 20p13 | [15] |
| TG 7 (TG Z) | Unknown function | 15q15.2 | [15] |