Function
Functions as a zinc transporter. Partly regulates cellular zinc homeostasis. Required with ZNT7 for activation of zinc-requiring enzymes, alkaline phosphatases (ALPs). Transports zinc into the lumens of the Golgi apparatus and the vesicular compartments where ALPs locate, thus, converting apoALPs to holoALPs. Required with ZNT6 and ZNT7 for the activation of TNAP (By similarity).
Sequence
MEEKYSSQALAGGGVLGPVDVPSARLTRYIVLLCFAKFLKAVGLFESYDLLKAVHLVQFIFIVKLGSAFFMVLFQKPFSSGKVVTKHQWIKIFKHAVVGCIISLLWFFGLTLCGPLRTLLLFEHSDVVVLSLLSVLFTSSGGGPAKTRGAAFFIIAVICLLLFDNDDLMAKIAEHPEGHHDSALTHVLYTVIAFLGVADHKGGVLLLVLALCCKVGFHMASRKLSVDVGGAKRLQALSHLVSVLLLCPWVIVLSLTTESKVESWSSLIMPFITVIFFVVILDFYVESICSVKMESSKCARYGSFLIFISALLFGNFWTHPITDQLRAMNKPAHHESTEHVLSGGVVVSAVFFILSANILSSPSRKGQKGTLIGYSPEGTPLYNFMGDAIQQSSQSLPRFIKESLKQILEEYDSRQIFYFLCLNLAFTFVELFYGVWTNSLGLISDGFHMLFDCSALVMGLFAALMTRWKATRIFSYGYGRVEILSGFINGLFLMVIAFFVFMESVARLVDPPDIDTNMLTPVSVGGLIVNLVGICAFSHAHSHGASRGGCHSHEHSHSYHGHSHSHGHGHSHNDHGHSHGHSHVSSGGGMNTNMRGVFLHVLADTLGSVGVIVSTTFIQQFGWLIADPLCSLFIATLIFLSVIPLLKDACQVLLLRIPPEQEKDLHAALEKIQKIDGVISYRDPHFWCHSASVVAGTIHVQVVSDVMEQRIVQQVTAILKDAGVNNLTVQVEKEAYFQHMSGLSTGFQDVLAMTQHLESMKYYKDGTYIM