Function
Required, together with Ssk and Tsp2A, for the proper organization of smooth septate junctions (sSJs), probably by mediating cell adhesion via its homophilic interaction (PubMed:22854041, PubMed:26848177). Also required for the correct subcellular localization of several sSJ components, such as Ssk, cora and l(2)gl, and for the barrier function of the midgut epithelium (PubMed:22854041). Required for maintaining the three-layered structure of the proventriculus (PubMed:22854041).
Sequence
MRFKLFVVCALACGFMAFVLANENISTEEFEDQIINAVPEPVKVTKPKAQAEFVEVPKATPAPKKAEADNPKTKPLALQKPTLIPVVHVSSRGTDDILTVAGLKPEKMFGALIMPNDYLGELYDVDNSGYNWDPNNNVAPPTTYSTAAGGYTITAARLAELRSNFMYWYFDKDMYGGRGDYQFDIHASMTQLHKNLNFQLPFYGFRFNYTRLSLNGYLEFSDPPEYLTYPLVFPIKDWPAKRDPSFMGIFFSKCRVGRIYPSDIDQRTPGVYFRVERDLMGRTDRFGVEVRERTMWDIRQGVVGADTFIPKHVVIATWKNVSFAGGIDNSLYTTNTFQMVLATDEVYTYIIFNYAVLNWLSHTEAGGDTTKGEGGVPAYVGFNAGNGTQAYEYNPYSQNMVIRDLANRGWANGFPGRHIFRVDEQILIGSCNKDIDAALLPLTFAPESGNMLGGQVVNITGPCFDPAIRVTCHFDTESVLGTYVDRNRVICVQPYLKAEGYIRFQISVGTQRFKWRGKYFVETPAAATEKIFFTTDDVHKKNPAEIRITWNQYNLTSNANANVMISLWGYRETKIEPQLEYIDVIEASYSNSGSYVITPSNYINRNNINRDMQFGFLQINLTQPDQYSGLAISPVLWSRPIPLAWYMAPQWERQHGKRWARALCDNWIRADRFLRNFAADLPLCPCTLDQAVLDKGRFRPDRECDKDSNPSCLRHRGAIHCVVSGTPVAQGAEQQCCYDRYGFLMLTYDQMWGSRPRRVHNLGKMPWNEASKVPSLSMWFHDMRPFYSCCYWQEEQAVGCETYRFERRPSQDCVAYQAPGIAGVFGDPHFVTFDGTAYTFNGLGEFVLARSVDESNKFEVQGRFEQLPVNYYGEVKATQLTAVAMRGNTTTTIEVRLRPLHARWRYRLDVLADGRRVYFDRESLKFQHFDGVTVYTPTYLLNQSQVVVQFDAGIGVEVVENEGYMTGRVFLPWKFINKTAGLFGNWSFNKLDDFMLPNGQVAQLNLNDLRSIHTNFGIKWMLTDREVPGVGAALFKREFGRMSGYYANATFQPNYVLDPADFLPANRSYDLERAEELCGECMQCQYDYAMTLNRDLAHFTKNYYDTIVNMQAENAVRVVSCGVLQTPRFGRKLSFDFMPGAKVSFECNEGFILIGDQRRECLSNGLWNIPEYGYTECLREVYYTRRVAFIAIGIIFLVICPLMLCIVCGVYRYRQKQLKEDPQWQMPMLPRSRASSARNLRTLNYDDDSDTDASTLKKSRSYDKVYRTNEPLPGKPQIDFPAKKWDLDENDEDVTSSEGEKPKQLGRRSLHSASGTELDQHGSPVDGDHPDEDDDFDEADVHTGTTHPVGYHQPLSPEEADQLHRQQYSPTFSGLDSRTSGASSINYTPQAATQNRFGGVPVLPSNTQYYSRPPSSVNTVPLRTAPTPLTQDTGLPSPPLATSPTPSVQKSTEV