. 2017 Jul 28;2:17029. doi: 10.1038/sigtrans.2017.29

Table 1. Human ZnT proteins.

Protein	Major location of protein expression	Subcellular localization
ZnT1	Ubiquitous	Plasma membrane²²
ZnT2	Mammary gland, pancreas, prostate, retina, intestine, kidney^{23,24,25,26,27}	Endosome, lysosome, secretory vesicle, plasma membrane^23,24
ZnT3	Brain, pancreas, testis^28,29	Synaptic vesicles³⁰
ZnT4	Mammary gland, placenta, prostate, kidney, brain^{25,26,31,32,33,34}	Endosome, secretory vesicle, plasma membrane^26,31
ZnT5	Heart, placenta, prostate, ovary, testis, intestine, thymus, bone^25,32,35	Golgi, vesicles, plasma membrane³⁶
ZnT6	Brain, lung, intestine^34,37	Golgi, vesicles³⁷
ZnT7	Intestine, stomach, pancreas, prostate, placenta, testis, retina, muscle^25,32,38	Golgi, vesicles³⁸
ZnT8	Pancreas, adrenal gland, thyroid, testis^39,40	Secretory granule³⁹
ZnT9	Brain, muscle, kidney⁴¹	ER⁴¹
ZnT10	Brain, retina, liver⁴²	Golgi, plasma membrane⁴²